ASTM D5034: Standard Test Method for Tensile Properties of Textile Materials, Grab Test. (Elevated, and sub-ambient temperatures)

Scope:
This test is designed for testing textile fabrics.  It is used to measure the force required to break the material, and the extent to which it elongates to the breaking point.   A stress-strain diagram is produced from the extracted data, and is used to determine the modulus, yield, and fracture point.  The material can be conditioned to be tested at varying temperatures and environmental conditions according to the client’s specifications.

Procedure:
The specimen is prepared by cutting a size specified in the ASTM 5034 standard and then conditioned according to the client’s specifications. Prior to beginning the test, the machine is set to the starting gauge length, as per the standard, then inserted in the appropriate gripping fixture. The testing engineer then inputs relevant dimensional and material criteria into the software.  The specimen is finally pulled at a constant rate of extension, or load, and the software produces a stress-strain diagram.  Multiple specimens are usually tested to show material property consistency.

Data:
Tensile strength, modulus of elasticity, tensile strain, transition strain, .

Equipment:
Test frame, elevated temperature cabinet, test method software

Test Setup

 

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