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Compression testing of metallic materials

Compression testing of metallic materials-Mechanical Testing-

Test Background

Porous and honeycomb metals have excellent multifunctional composite properties due to their unique cellular pore structure characteristics, including lightweight, impact energy absorption, etc., and have broad application prospects in automobile collisions, mechanical damping, lightweight structural parts, etc. In the industrial design process, its compression resistance is an important indicator that must be considered.
The compression test of metal materials can use the compression test method to determine characteristic values such as the first peak value of compressive strength, plateau stress, plateau end point, absorbed energy, absorbed energy efficiency, quasi-elastic gradient, elastic gradient, specified compressive stress and specified compressive strength.
Compression testing is a quasi-static strain test performed at room temperature. Zhongke Testing Reliability Experiment Center has the capability to test the reliability performance of various metal materials and provides professional compression testing services for metal materials.

Scope of tests

is suitable for porous and honeycomb metals with 50% or higher porosity.

Test method

1. Metal material compression test is a method to evaluate the compression properties of porous and honeycomb metals.
2. The compression test is carried out on a testing machine with a constant beam displacement rate control function. The measurement of compressive stress and compressive strain come from the force and compression displacement experienced by the sample respectively.

Test standard:

GB/T 31930-2015 Metallic materials - Ductility test - Compression test method for porous and honeycomb metals
ISO 13314-2011 Mechanical testing of metals Ductility testing Compression testing of porous and cellular metals
BS ISO 13314-2012 Mechanical testing of metals Ductility testing Compression testing of porous and cellular metals
ISO 7500-1 Metallic materials - Inspection of static uniaxial testing machines - Part 1: Tensile and/or compression testing machines - Inspection and calibration of force measuring systems

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