How Long Time Should a Stress Relaxation Experiment Be?
2022-12-19
Stress relaxation and creep are useful experiments. This article shows that even short-term experiments of these types are great.
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Category: Experimental Testing
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Experimental Testing for Material Model Calibration of a Thermoset
2022-04-26
This article shows what experiments to perform on a thermoset in order to calibrate a continuum level material model.
Experimental Testing for Material Model Calibration of a Thermoplastic
2022-04-19
This article explains what experiments to perform on a thermoplastic in order to get the required data for material model calibration.
Experimental Testing for Material Model Calibration of a Rubber
2022-04-12
This article explains what experiments to perform on a rubber material in order to get the required data for material model calibration.
Calibrate the BB-Model using a Single Experiment
2022-04-04
It is possible to calibrate a two-network visco-plastic material model to experimental data from a single experiment. This article explains how to do it.
FE Material Model from Tension with Necking
2022-01-17
Part 2: Calibrating a material model from tension with necking experimental data is surprisingly difficult. This article explains one approach to do it.
Is Pure Shear the Same as Planar Tension?
2021-12-03
This article examines the difference between simple shear, pure shear, and planar tension.
Is Uniaxial Compression the Same as Biaxial Tension?
2021-11-28
It would be very handy if uniaxial compression was the same as biaxial tension. But is it? This article has the answer.
How to Predict Permanent Set in Rubber
2021-03-28
Discussion about how to test and model permanent set in rubber materials. With the right material model it is possible!
Smart Mechanical Testing of Polymers
2020-05-30
Smart mechanical testing is about how to extract as much info as possible using a small number of experiments.
Simple Shear
2020-02-09
In large deformations, simple shear is not so simple. This article describes how to properly test and analyze shear behavior.
PEEK Calibration Tutorial – Part 4
2019-12-25
Part 4 of a tutorial series on how to calibrate a material model for PEEK. The focus is on the results from the calibrations.