GrindoSonic Resonant Frequency Testing for Non Destructive, High Temperature Elastic Property Data
Resonant frequency testing is a non‑destructive technique used to determine a material’s elastic properties by measuring its natural vibration frequencies. For refractories and ceramics, tracking these properties as temperature increases provides an early, sensitive indication of stiffness changes, microstructural evolution, and damage accumulation, without the need to mechanically load the specimen to failure.
The GrindoSonic resonant frequency system coupled with a high‑temperature furnace at Lucideon's Refractories Centre of Excellence, expands our capability to measure the elastic properties of refractory and ceramic materials as a function of temperature. By combining resonant frequency measurement with controlled high‑temperature exposure, the system provides high‑resolution insight into how stiffness and elastic behaviour evolve during heating.
Overview
Elastic properties such as Young’s and shear modulus influence how refractories respond to thermal gradients, stress, and mechanical constraint in service. Measuring these properties across temperature helps you understand when and how a material begins to degrade, supporting more informed material selection, development, and investigation work.
What resonant frequency testing enables
This non‑destructive technique enables determination of:
- Dynamic Young's modulus
- Shear modulus
- Poisson's ratio
- Evolution of elastic behaviour with increasing temperature
Why measure elastic properties versus temperature?
As refractories and ceramics are heated, changes in microstructure (e.g., phase changes, crack formation, or oxidation effects) can reduce stiffness long before visible damage or catastrophic failure occurs. High‑temperature resonant frequency testing helps to:
- Identify stiffness degradation and the onset of damage during heating
- Track elastic property changes through critical temperature ranges
- Provide repeatable, service‑relevant data to complement mechanical and thermal testing
Standards and recognized approaches
This capability supports testing in line with recognized approaches such as ASTM C1259 and EN 843‑2 principles, and complements mechanical, thermal, and thermo‑physical testing by providing early‑stage indicators of material degradation without destructive loading.
How the results support technical decisions
Temperature‑dependent elastic property data can be used to:
- Support refractory and ceramic selection where thermo‑mechanical stability is critical
- Strengthen product development by linking formulation and processing to stiffness retention
- Improve quality control by monitoring elastic consistency and detecting subtle degradation trends
- Support failure investigation by identifying temperature ranges associated with stiffness loss or damage accumulation
- Provide inputs and validation data for modelling and design work where elastic properties matter
GrindoSonic resonant frequency testing - at a glance
- Technique: resonant frequency (non‑destructive) measurement with high‑temperature furnace
- Measures: dynamic Young’s modulus, shear modulus, Poisson’s ratio, and elastic behaviour versus temperature
- Key benefits: non‑destructive, high‑resolution, repeatable; sensitive to early degradation mechanisms
- Applications: thermomechanical characterization, product development, QC, and failure investigation
- Approaches: ASTM C1259 / EN 843‑2 principles
Part of our Refractories Centre of Excellence
The addition of this system further strengthens our ability to characterize thermo‑mechanical performance across temperature, supporting refractory development, quality control, and failure investigation with high‑resolution, repeatable data.
Speak to our team
To discuss sample preparation needs, conditioning requirements, or how high‑temperature processing can support your project, contact our refractories experts.