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Learn about non-destructive testing methods and material characterization techniques.
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How to Test Additively Manufactured Parts for Quality
Fast, accurate non-destructive testing for additive manufacturing. 100% inspection of 3D printed metal and ceramic parts using resonance-based testing.
What is Impulse Excitation Technique (IET)?
A complete guide to the non-destructive method for measuring elastic properties of materials.
Porosity Detection in 3D Printed Parts
Detect internal porosity and voids in additive manufactured parts using resonance frequency analysis. Non-destructive, fast, 100% inspection capable.
Non-Destructive Elastic Modulus Measurement
Measure Young's modulus, shear modulus, and Poisson's ratio without destroying your sample. Fast, accurate, ASTM E1876 compliant.
NDT Methods Comparison: IET vs Ultrasonic vs X-Ray
Which non-destructive testing method is right for your application? Compare IET, ultrasonic, X-ray, and eddy current testing.
How to Measure Elastic Properties with Impulse Excitation
Determine Young's modulus (E), Shear modulus (G), and Poisson's ratio (P) non-destructively in seconds.
How to Assess Porosity Non-Destructively
Detect elastic porosity, gas porosity, and lack-of-fusion defects throughout the full volume of your parts.
How to Measure Young's Modulus Non-Destructively
Fast and fully non-destructive measurement based on natural resonance of your components.
Comparison of the Young's Modulus for Six Reinforced Dental Materials
In vitro study comparing Young's modulus and physical characteristics for six reinforced dental materials using non-destructive technique.
Determination of Young's Modulus of Dental Composites: A Phenomenological Model
Non-destructive dynamic method for determining Young's modulus of dental composites yielding a phenomenological exponential rule of mixtures model.
Dynamic and Static Moduli of Elasticity of Resin-Based Materials
Assessment and comparison of elastic moduli of 34 resin-based materials using dynamic and static methods including water storage effects.
Elastic Modulus of Grinding Wheels and Its Impact on In-Process Behavior
Research on how the elastic modulus of grinding wheels affects their behavior during the grinding process.
On the Measurement of the Elastic Modulus of a Vitreous Coating on a Titanium Substrate by the Resonance Method
Calculation of vitreous coating elastic modulus by measuring resonant frequencies of titanium plates before and after glaze deposition.
Vitreous Coatings on Titanium for Joint Prosthesis Applications
Study of elastic modulus of vitreous coatings on titanium for understanding coating behavior under stress and residual stress calculations.
The Impact of Composite Structure on Its Elastic Response
Non-destructive Young's modulus determination of dental composites showing correlation with volumetric filler content.
The Evaluation of NDT Techniques for Abrasive Wheels
Study of radiographic, ultrasonic, and resonance techniques for non-destructive testing of abrasive wheels with fracture analysis.
Continuous Measurement of Residual Stress in Thin Cylindrical Pieces Using Deflection-Etching Techniques
Development of deflection-etching technique for measuring grinding stresses in cylindrical pieces with 3.5x increased sensitivity.
The Relationship Between Test Methodology and Elastic Behavior of Composites
Comparison of Young's moduli from static, low-frequency, and high-frequency tests on dental composite systems.
Young's Modulus of Ceramic Materials - An Intercomparison of Methods
EC-sponsored evaluation of four methods for measuring elastic moduli of advanced technical ceramics per CEN ENV 843-2.
Evaluation of the GrindoSonic Analyzer for Characterisation of Chemical Products
Study on gypsum products, phosphate die refractory materials and phosphate investments by impulse excitation of sonic vibration.
Improvement of Productivity and Quality in Grinding
Research on optimizing grinding operations for both improved productivity and better quality outcomes.
New Methods for Damage Analysis and Documentation in Building Heritage Preservation
Research on damage analysis, documentation, and conservation materials for building monument preservation, with documentation of Haus Römer in Wuppertal-Sandfeld.
Recent Advances in Grinding
Overview of technological developments and advances in grinding processes and techniques.
Acoustic Hardness Testing for Grinding Wheel Selection
Acoustic method for determining physical-mechanical material properties of grinding wheels to improve process reproducibility.
Determining Mechanical Resonance Frequencies and Elastic Moduli
Foundational ASTM methodology for determining mechanical resonance frequencies and calculating elastic moduli from vibration measurements.
Elastic Modulus Determination of Coating Layers as Applied to Layered Ceramic Materials
Development of relationships for determining in-plane elastic modulus of coatings using dynamic resonance and static bend techniques.
Characterization of Vitrified Bonded cBN Grinding Wheels - Part 1
Development of a test procedure for characterizing vitrified bonded cBN grinding wheels.
Characterization of Vitrified Bonded cBN Grinding Wheels - Part 2
Continuation of the development of a test procedure for characterizing vitrified bonded cBN grinding wheels.
New Formulas Improve E-Modulus Calculations: Disc Shaped Bodies and Rectangular or Square Bars
Development of improved shape factors for calculating elastic modulus of grinding wheels and honing sticks with various geometries.
Brittle Fracture and Thermal Shock Resistance of Mechanical Ceramics
Comprehensive study on brittle fracture behavior and thermal shock resistance of ceramics used in mechanical applications.
Hardness Determination of Grinding Wheels Using Physical-Mechanical Parameters
Methods for determining grinding wheel hardness based on defined physical-mechanical properties.
Determination of Poisson's Ratio and Dynamic Modulus from Thick Circular Plate Vibrations
Martincek's method for simultaneously determining Poisson's ratio and dynamic elastic modulus from natural vibration frequencies of thick circular plates.
Dynamic E-Modulus of Grinding Wheels
The elastic modulus proves particularly meaningful for evaluating grinding wheels and can be determined simply and accurately through natural frequency measurement.
Non-Destructive Testing and Measurement Methods for Concrete
Comprehensive overview of non-destructive testing and measurement methods applicable to concrete structures and materials.
Significance of Elastic Modulus for Grinding Wheel Process Behavior
Research on how the elastic modulus of grinding wheels affects their behavior during the grinding process.
Determination of Characteristic Values for Vitrified and Resinoid Bonded Grinding Wheels
Research on establishing measurable characteristic values for grinding wheel safety certification and quality control.
Experimental and Analytical Investigations of the Thread Grinding Process
Research on thread grinding processes including longitudinal and plunge grinding techniques.
Assessment of Chloride Migration Coefficient, Internal Frost Resistance, Salt Frost Scaling and Sulphate Resistance of Self-Compacting Concrete
Investigation of durability properties of SCC with increased filler content compared to normal concrete at equivalent water-cement ratio.
Rapid Hardness Testing of Grinding Wheels
A fast and completely non-destructive method for testing grinding wheel hardness based on natural frequency measurement using the GrindoSonic apparatus.
Comparative Analysis of Grinding Wheel Hardness Testing Methods
Comparative evaluation of different hardness testing methods for grinding wheels.
Characteristic Coefficients for Surface Finish and Cutting Force Calculation in Cylindrical Grinding
Research on characteristic coefficients for calculating surface finish and cutting forces in cylindrical grinding operations.
Frost Resistance of High-Strength Concrete: Dynamic Elastic Modulus as Damage Indicator
Research on frost resistance of dense high-strength concrete examining dynamic E-modulus as indicator for internal structural damage.
Acoustic Measurement of Elastic Modulus as a Criterion for Grinding Wheel Hardness
Demonstrating that elastic modulus measured by dynamic method is a valid measure of grinding wheel hardness comparable to Norton scale or tear-out resistance.
Thermomechanical Behavior of Alumina Refractory Concretes Containing Magnesium Spinel
Study of thermomechanical properties and behavior of alumina-based refractory concretes with magnesium spinel additions for high-temperature applications.
Evolution of Non-Destructive Testing Methods for Concrete
Overview of NDT method development for concrete, including early-age strength estimation, quality optimization, and cost reduction benefits.
Development of Methods for Assessing Frost Resistance of Porous Materials
Research on testing methods for evaluating the frost resistance of porous ceramic materials.
Technical Note: Rapid Control of Grinding Wheel Hardness
A rapid and absolutely non-destructive method for controlling grinding wheel hardness based on elastic modulus determination using the GrindoSonic apparatus.
Young's Modulus of Set Plaster and Water Wetting at Grain Boundaries
Study on how humidity affects Young's modulus of set plaster through water adsorption at gypsum crystal grain boundaries, and prevention using tartaric acid.
Iron and Steel Slag Recycling: Waste Management and Circular Economy
Research institute report on recycling economy and waste management legislation as applied to iron and steel industry slag utilization.
Optimization of Plunge Cycles in Cylindrical Grinding
Research on optimizing plunge grinding cycles for improved efficiency in cylindrical grinding operations.
Non-Destructive Concrete Testing Methods
Comprehensive overview of non-destructive testing methods for evaluating concrete quality, strength, and structural integrity.
Research on Optimal Working Conditions in Grinding
Comprehensive research on determining optimal working conditions for grinding operations.
The Economics of Grinding Operations
How proper selection of grinding conditions can reduce grinding costs by 30% to 80%, with a practical method for determining the most economical material removal rate.
Non-Destructive Measurements on Hardening Mortars Using Impulse Excitation
Application of impulse excitation technique for monitoring elastic property development in hardening mortars and construction materials.
Alumina Additions Affect Elastic Properties of Electrical Porcelains
Study on how partial substitution of alumina for feldspar in electrical porcelain increases Young's modulus from 38 to 62 GPa.
Measures for Improving Surface Integrity in Grinding
How grinding conditions affect surface layer properties and impact fatigue resistance, wear resistance, and stress corrosion resistance.
Reference Values for Grinding Forces and Surface Roughness in Cylindrical Grinding
Practical reference values for predicting grinding forces and surface roughness outcomes in cylindrical grinding operations.
Characterization of Yttrium Phosphate and Yttrium Phosphate/Aluminate Laminates
Study of YPO4 and YPO4/Y3Al5O12 laminates including elastic properties, hardness, thermal expansion, and non-catastrophic fracture behavior.
CVD Silicon Carbide for Optical Applications
Properties of bulk CVD silicon carbide for high-energy synchrotron mirrors including thermal, mechanical and optical characteristics.
Technical Note: Better Selection of Grinding Conditions
A practical method using CRIF machining charts and nomograms for selecting optimal grinding conditions while meeting quality requirements.
Responsible Grinding Wheel Selection
Guidelines for grinding wheel selection oriented toward desired grinding quality including surface roughness, surface integrity, and wheel form retention.
Correlation Between Breaking Strength and GrindoSonic Reading for Tiles
Graphical correlation data showing the relationship between flexural breaking strength and GrindoSonic frequency measurements for ceramic tiles.
Crack Deflection and Propagation in Layered Silicon Nitride/Boron Nitride Ceramics
Study of crack deflection mechanisms and energy absorption in Si3N4/BN multilayered ceramics with varying interphase compositions.
Development of Methods for Assessing Frost Resistance of Porous Materials (Dutch)
Dutch publication on testing methods for evaluating frost resistance of porous ceramic materials.
Thermal Shock Resistance of SiC Materials: Definition and Testing Methods
Definition of thermal shock resistance (TSR) for SiC materials, theoretical considerations, quench testing methods, and resonance frequency measurement techniques.
Thermal Shock Resistance of SiC Materials: Influence of Composition
Study of thermal shock resistance in SiC materials examining effects of porosity, bulk density, and SiC content using resonance frequency and vibration duration measurements.
Effect of Sintering Aid Composition on Si3N4/BN Fibrous Monolithic Ceramics
Processing study of silicon nitride/boron nitride fibrous monoliths examining sintering aid effects on microstructure and flexural behavior.
Resonant Frequency Testing in the Ceramics Industry
Overview of resonant frequency testing for ceramics using GrindoSonic, replacing subjective tap testing with quantitative measurements.
Elastic and Anelastic Properties of Silicon Nitride at High Temperatures
Non-destructive impulse excitation characterization of elastic and anelastic properties of silicon nitride at elevated temperatures.
Elastic Modulus Versus Bond Length in Lanthanum Chromite Ceramics
Correlation between elastic modulus and Cr-O interatomic distance in doped lanthanum chromite ceramics for SOFC interconnect applications.
Elastic Properties of Polycrystalline Cubic Boron Nitride and Diamond
Dynamic resonance measurements of Young's modulus, shear modulus, and Poisson's ratio for commercial polycrystalline cBN and diamond products.
Flexural and Torsional Resonances of Ceramic Tiles via Impulse Excitation
Method for independently determining E, G, and Poisson's ratio of ceramic tiles using combined modal FEA and impulse excitation measurements.
Grinding of Ceramics: Strength, Surface Features and Grinding Conditions
Study of ceramic strength dependence on microstructure, surface features, and grinding conditions for SiC and Ce-TZP materials.
Hertzian Testing of Ceramics
Review of fracture mechanics of ring crack formation under spherical indentation, with applications for surface damage assessment and fracture toughness measurement.
Interfacial Fracture Energy of Silicon Nitride/Boron Nitride Fibrous Monoliths vs. Temperature
Temperature-dependent interfacial fracture energy of Si3N4/BN fibrous monoliths showing glass phase migration effects and fracture mechanisms.
Crack Propagation Kinetics in Single Domain YBCO Superconductors by Modulus Measurement
Young's modulus monitoring of ab-plane crack propagation during oxygen heat treatment of YBa2Cu3Ox single domain superconductors.
Carbide and Nitride Materials for Cutting and Wear from SHS Powder
Development of titanium nitride cutting and wear materials from SHS-synthesized powder, including characterization and hot-pressing optimization.
Mechanical Properties of Directionally Solidified Al2O3-ZrO2 Eutectics
Microstructure-property relationships in laser-float-zone directionally solidified Al2O3-ZrO2(Y2O3) eutectic rods with excellent high-temperature strength.
Mechanical Properties of Textured Bi2Sr2CaCu2O8+d High-Temperature Superconductors
Mechanical characterization of laser-solidified BSCCO superconductor fibers showing anisotropic strength behavior related to microstructure.
Mode I Fracture Toughness of Small-Grained Silicon Nitride: Temperature and Orientation Effects
Fracture toughness of small-grained Si3N4 as function of hot-pressing orientation, temperature, atmosphere, and crack length using SEPB method.
Non-Destructive Testing of Green Ceramic Materials
Optimization of NDT methods including ultrasonic, natural frequency, and UCI for early defect detection in green ceramic bodies.
On Controlling Toughness of Zirconia Ceramics
Investigation of factors controlling Y-TZP toughness variation from 3-10 MPa m^(1/2) through powder selection and processing optimization.
Processing and Properties of TiZrC and TiZrB2 Solid Solution Materials
Synthesis and characterization of titanium-zirconium carbide and boride solid solutions showing superior mechanical properties.
Recent Advances in IET for Ceramics, Coatings and Laminates at Elevated Temperature
Overview of impulse excitation technique advances for characterizing stiffness and damping of ceramics, ceramic coatings, and laminates at high temperatures.
Porosity Dependence of Flexural Modulus and Strength in HIP Porous Alumina
Relationship between porosity and mechanical properties in capsule-free hot isostatically pressed porous alumina with negligible closed porosity.
Stiffness of Plasma Sprayed Zirconia Top Coats in Thermal Barrier Coatings
Young's modulus measurement of APS YSZ coatings by bending, resonant frequency, and nanoindentation, including heat treatment effects.
Thermal Conductivity of Magnesium Silicon Nitride (MgSiN2) Ceramics
Comprehensive study of thermal conductivity and related properties of MgSiN2 ceramics for thermal management applications.
Y-TZP Ceramics with Tailored Toughness
Simple route to tailor Y-TZP toughness through powder mixing, with microstructural origin of transformation toughening elucidated.
Non-Destructive Resonant Frequency Testing for Ceramic Material Properties
Application of resonant frequency methods for determining physical and mechanical properties of both simple and complex ceramic shapes.
Alternate Test Methods for Graphite Epoxy Mechanical Properties
Investigation of cost-effective testing methods for graphite epoxy composites using hydraulic grips, laser extensometer, and sonic resonance measurement.
Degradation and Recovery of Polycarbonate Deformation Moduli Under Mechanical Load
Study of polycarbonate modulus changes under mechanical loading using dynamic resonance methods, with implications for safety and reliability.
Elastic Moduli of Fiber-Resin Composites Using Impulse Excitation Technique
Determination of graphite/epoxy and graphite/cyanate ester composite elastic moduli using IET compared to strain gauge and laminate theory predictions.
Development of ZrO2-ZrB2 Composites
Hot-pressed Y-TZP/ZrB2 composites with transformation toughening and crack deflection mechanisms influenced by stabilizer content and residual stresses.
Structure-Property Relationships in Nanoparticle-Reinforced Thermoplastics
Study of mechanical property relationships in thermoplastics reinforced with inorganic nanoscale particles.
Particulate-Reinforced Titanium Alloy Composites by Cold and Hot Isostatic Pressing
Economic fabrication of particle-reinforced titanium composites using combined cold and hot isostatic pressing techniques.
Toughness Optimization of ZrO2-TiB2 Composites
Approach to tailor Y-TZP/TiB2 composite toughness through zirconia matrix composition control, considering transformation toughening and residual stresses.
Listening to Concrete: Stiffness, Damping, and the Science Behind Sound Structures
How stiffness and damping measurements in concrete reveal internal changes over time, offering engineers a non-destructive way to assess material health.
Non-Destructive Method of Determining Rock Strength
New technique for indirectly determining rock material strength by measuring dynamic Young's modulus, preserving samples for further analysis.
Critical Degree of Saturation in Frost Weathering of Limestones
Determination of critical saturation threshold for frost damage in limestones using dynamic Young's modulus measurement and porosimetric analysis.
The Use of Impulse Excitation in Glasses and Lenses
How impulse excitation provides non-destructive quality control for optical materials, detecting manufacturing defects that visual inspections miss.
Impulse Excitation for Additive Manufacturing: Defect Detection in 3D Prints
Using impulse excitation technology as a non-destructive method to identify hidden defects in 3D-printed components before they reach customers.
How Aerospace Parts Are Tested Without Breaking Them
Non-destructive testing methods used in aerospace manufacturing to evaluate component integrity without causing damage to expensive, precision-engineered parts.
Determination of Rock Moduli of Elasticity: Dynamic and Static Comparison
Comprehensive comparison of GrindoSonic, ultrasonic P/S wave, and static gauge methods for rock elastic property determination.
The Science Behind Frequency Peaks and Their Movement
Understanding how frequency peak shifts reveal material behavior changes, enabling early detection of defects and quality issues in manufacturing.
Ice and Salt Crystallization in Sandstone Pore Spaces and Their Effects on Rock Structure
Study of frost and salt weathering effects on sandstones from different geological epochs, with dynamic modulus monitoring of damage.
Quality Control After Sintering: Best Methods Revealed
Essential post-sintering quality control methods for detecting pores, cracks, and inclusions in advanced manufacturing applications.
Atomic Structure/ Microstructure Changes During Sintering: What You Need to Know
How atomic-level and microstructal transformations during sintering affect material properties and why non-destructive testing is essential for quality control.
Mechanical Rock Disintegration by Frost and Salt Crystallization
Dilatometric and dynamic modulus study of frost and salt weathering in French limestones, examining moisture behavior and physical characteristics.
Impulse Excitation vs Destructive Testing
Comprehensive comparison of Impulse Excitation Technique and destructive testing methods, examining advantages, applications, and selection criteria.
Rock Slopes in Tropical Limestone and Rock Mass Strength
First application of rock mass classification to tropical limestone slopes in Napier Range, Australia, correlating profile shape with mass strength.
Rock Modulus of Elasticity and Temperature: Fire Weathering Simulation
Laboratory simulation of fire effects on rock using GrindoSonic modulus measurement, showing significant elasticity reduction at temperatures as low as 200C.
From Motion to Modulus: How Vibrations Expose Rigidity
Understanding how vibration analysis reveals material stiffness through Young's modulus measurement using the Impulse Excitation Technique.
Appraisal of the GrindoSonic Material Tester
BCIRA evaluation of GrindoSonic for iron foundry applications, comparing resonant frequency measurements with standard sonic test equipment.
De-Risking Additive Manufacturing Through Non-Destructive Testing Methods
How integrated NDT throughout the additive manufacturing lifecycle improves quality, ensures compliance, and reduces production risks.
What an Impulse Can Tell You About Material Quality and Strength
How resonance frequency testing reveals internal material properties including stiffness, bonding quality, and hidden structural flaws.
Evaluation of Three Methods for Dynamic Elastic Modulus of Steel
Comparison of GrindoSonic, Modul-r, and Piezoelectric Ultrasonic Composite Oscillator techniques for steel elastic modulus determination.
Grinding Wheels Made It Clear: Why Impulse Excitation Works
The origin story of impulse excitation testing and how grinding wheel quality control demonstrated the power of resonance frequency analysis.
Elastic Constants: Dynamic Measurement and Calculation
Theoretical basis and practical comparison of GrindoSonic with FMPA device for calculating elastic and shear moduli from free vibrations.
Precision Mechanics Parts Testing with Impulse Excitation
Using IET for quality assurance of precision mechanical components including metals, sapphires, and ceramics in manufacturing.
Elastic Parameters: Dynamic Measurement and Calculation (German Study)
German language study comparing GrindoSonic and FMPA equipment for elastic and shear modulus determination from bar specimen vibrations.
Friction Materials and Brake Pads Testing
How impulse excitation testing enables brake pad quality control by measuring resonance frequencies and damping per SAE J2598 standards.
Cement, Mortar and Concrete Testing with Impulse Excitation
Mechanical testing methods for cementitious materials using impulse excitation to measure strength, durability, and detect cracks non-destructively.
Grinding and Abrasives Quality Testing
Non-destructive quality testing and material characterization for grinding wheels and abrasive products using vibrational analysis.
Impulse Excitation Technique for Dynamic Flexural Measurements at Moderate Temperature
Adaptation of IET for measuring dynamic flexural modulus from 25C to 300C using microphone detection of specimen sound waves.
Metallurgy Testing with Impulse Excitation Technique
Using IET for material characterization, evolution monitoring, and quality control of metal components in industrial applications.
Ceramics Testing with Impulse Excitation Technique
IET as the recognized test method for determining dynamic elastic properties of traditional ceramics, advanced ceramics, and glass materials.
Dynamic Young's Modulus Measurement from 295 K to 6 K
Strain gauge-based transducer system for cryogenic elastic modulus measurement of engineering materials down to 6 K with high accuracy.
Elastic Parameters: Dynamic Measurement and Calculation (French Study)
French language comparison of GrindoSonic and FMPA-developed device for elastic and shear modulus determination from bar specimen vibrations.
Material Research with Impulse Excitation Technique
Using IET for high-precision material characterization in research applications, including high-temperature testing up to 1800C.
Research Techniques in Non-Destructive Testing
Overview of research techniques and methodologies in the field of non-destructive testing for material characterization.
Dynamic Young's Modulus in Metallic Materials: Interlaboratory Testing Program
Round-robin study showing 1.6% agreement between six different dynamic modulus measurement techniques for nickel-based alloys.
Non-Destructive Testing of Spheroidal Graphite Cast Iron by Sonic and Ultrasonic Methods
Sonic and ultrasonic auscultation methods for quality control of ductile iron castings with spheroidal graphite structure.
Mechanical Properties of Nylon-Bonded Nd-Fe-B Permanent Magnets
Temperature-dependent tensile, flexural strength and dynamic Young's modulus of injection molded Nd-Fe-B magnets from -40C to 100C.
Resonant Frequency Measurements for Powder Metallurgy Elastic Properties
Comparison of sine wave, random signal, and impulse excitation resonant techniques for non-destructive elastic moduli determination in P/M materials.
Stabilization Phenomena in Copper-Zinc-Aluminum-Boron Alloys
Study of martensite aging effects on physical and mechanical properties of Cu-Zn-Al-B shape memory alloys using dynamic modulus measurement.
A Method for Thermal Cycling Refractories and Appraisal by Non-Destructive Technique
Ribbon test method with MOE measurement by transient vibration for comparing refractory thermal shock resistance.
Evaluation of Modulus of Elasticity of Refractories
Comparison of dynamic and static MOE measurement methods for refractories, examining temperature dependence and rheological behavior effects.
Kiln Furniture Materials for Oxide Ceramics (French Study)
French language study of SiC and mullite-corundum kiln furniture properties for ceramic firing applications.
Overview of Refractory Problems in Industry
Seven main causes and seven contributing factors for refractory problems with practical examples and cost reduction strategies.
Practical Use of Non-Destructive Method for Testing Refractories
Accuracy and advantages of non-destructive resonant frequency technique for final inspection of conventional refractory products.
Prediction of Refractory Strength Using Non-Destructive Sonic Measurements
Mathematical correlations between ultrasonic velocity or elastic modulus and modulus of rupture for five refractory product types.
Processing TiZrC and TiZrB2 for Refractory Applications
Synthesis of titanium-zirconium carbide and boride solid solutions with superior mechanical properties for refractory applications.
Resonant Frequency Testing for Refractories
American Ceramic Bulletin overview of resonant frequency testing methods for refractory quality control applications.
Significance of Modulus of Elasticity for Refractory Materials and Engineering
Importance of elastic modulus in refractory engineering for lining design, thermal stress calculation, and quality control applications.
French Standard P18-414: Concrete Resonance Frequency Testing
French standard describing the procedure for measuring fundamental resonance frequency of hardened concrete specimens for quality and degradation detection.
ASTM E1876: Dynamic Modulus by Impulse Excitation
Standard test method for determining dynamic Young's modulus, shear modulus, and Poisson's ratio of elastic materials using impulse excitation of vibration.
ASTM C1259: Advanced Ceramics Impulse Excitation Testing
Standard test method for determining dynamic Young's modulus, shear modulus, and Poisson's ratio for advanced ceramics using impulse excitation of vibration.
A Dynamic Approach to Assess the Modulus of Elasticity in Wood Decay Testing
Study assessing elastic behavior changes and mass losses in wood species during decay using static and dynamic MOE measurement methods.
Biological Attack of Acetylated Wood
Comprehensive study of acetylation as wood protection method, investigating weight and MOE loss, chemical alterations, and fungal resistance mechanisms.
Combined Investigation: Assessment of National and European Roundwood and Sawn Timber Grading Systems
Study investigating correlations between outer stem characteristics and sawn material quality using national and European grading systems.
New Measurement Method for Determining Elastic Modulus of Wood
German study adapting dynamic elastic modulus measurement methods originally developed for isotropic materials to wood testing applications.
Influence of Treatment Models on Ash Sawn Timber Processing
German study examining effects of different treatment models on utilization and processing of ash sawn timber.
Comparative Study of Two Methods for Wood Elastic Modulus Determination
French study comparing two methods for determining the elastic modulus of wood and wood-based derivatives.
Characterization and Strength Grading of Domestic Spruce Wood
Dutch study on characterization and strength grading methods for domestic spruce timber at Ghent University.
Classification of Glulam Lamellas by Longitudinal Vibration Measurement
German study on classifying glued laminated timber lamellas using longitudinal vibration measurement techniques.
Non-Destructive Testing of Particleboard with Ultrasound and Eigenfrequency Methods
Master's thesis comparing ultrasonic and eigenfrequency methods for particleboard quality control and strength prediction.
Mechanical Stress Grading of Timber
Dutch technical paper on mechanical stress grading systems using dynamic E-modulus measurement for timber classification.
New Methods for Detecting Wood Defects
Dutch article on ultrasound and eigenfrequency methods opening new perspectives for solid wood and particleboard quality control.
Particleboard Research: Vibration Reveals Strength
Dutch study by WTCH developing rapid quality control methods for particleboard production through vibration behavior measurement.
Technological Wood Properties of Douglas Fir Under Different Growth Conditions
German doctoral thesis examining how growth conditions affect the technological wood properties of Douglas fir.
Influence of Wood Moisture Content on Dynamic MOE Measurements in Durability Testing
Study examining how wood moisture content affects dynamic modulus of elasticity measurements during durability testing procedures.
The Use of an Acoustic Technique to Assess Wood Decay in Laboratory Soil-Bed Tests
Study validating acoustic MOE methods for detecting early wood decay with high correlation to static measurements.
Dynamic Measurement Method for Particleboard Elastic Modulus
German study investigating dynamic measurement methods for determining elastic modulus of particleboard specimens and correlations with strength properties.
Elastic Properties of CVD Diamond via Dynamic Resonance Measurements
Simple dynamic resonance method for determining Young's modulus and shear modulus of free-standing CVD diamond plates and discs.
Use of an Ultrasonic Resonance Technique to Measure the In-Plane Young's Modulus of Thin Diamond Films Deposited by a DC Plasma-Jet
Ultrasonic resonance technique for measuring in-plane Young's modulus of thin diamond films deposited by DC plasma-jet process.
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