ASTM D6641 - Compressive Properties of Polymer Matrix Composite Materials Using a Combined Loading Compression (CLC) Test Fixture

ASTM D6641 Jig and Test Specimen

ASTM D6641 combined loading compression (CLC) test can be used to simultaneously evaluate compressive strength and elastic modulus. ASTM D6641 may be performed with a simple jig structure and untabbed specimens. 

The images on the right show the test jig and a typical sample. Strain gauges are attached to the front and rear of the specimens to confirm alignment. Samples mounted in the test jig assembly are compressed using compression plates

Typical test results obtained using a Shimadzu AGX Series Universal Test Machine and CLC test fixture are shown in Table 1.

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Table 1: ASTM D6641 Test Results

Specimen Compressive Strength (MPa) Elastic Modulus (GPa)
1st 629.9 71.4
2nd 651.4 74.3
Mean 640.7 72.9
 

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For Research Use Only. Not for use in diagnostic procedures.

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