Accurately modeling your material behavior starts with good experimental data, and choosing the right combination of test procedures depends on the loading modes, strain rate, and environment you aim to capture. Veryst offers the following test procedures for developing models for foams and other soft materials. Veryst can use its extensive expertise to recommend an appropriate combination of test program and material model if you are unsure of what test program is required for your application. We can also advise you on specimen dimensions to get the best results.
Note that all the tests below can be performed at reduced or elevated temperatures. We recommend 3-5 repeats for each strain rate and temperature combination.
|suitable for characterizing and modeling
|Low rate cyclic compression
|Static response of material; loading is mainly compressive in nature
|Low rate confined compression
|Bulk response of material; suitable for constrained geometries
|High rate monotonic compression
|Dynamic response of material; useful for rate-dependent (viscoelastic or viscoplastic) materials
|High rate confined compression
|Bulk response of material at high rates; suitable for constrained geometries
|Dynamic mechanical analysis
|Dynamic viscoelastic properties at low strain; temperature dependence at low strains; tension, compression, shear, and cantilever modes available
|Instrumented ball impact
|Dynamic, multiaxial load conditions
|Low rate double lap shear
|Shear dominated loading
|Low rate cyclic tension
|Static response of moderately stiff foams
|High rate monotonic tension
|Dynamic response of stiff foams; strain-rate effects
|High rate double lap shear
|Shear dominated loading; dynamic response of material
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