ASTM D2105 Fiberglass Pipe & Tube Tensile Testing

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ASTM D2105 Fiberglass Pipe & Tube Tensile Testing

ASTM D2105 is a standard test method for tensile properties of fiberglass pipe and tube. It determines the breaking strength, elasticity, elongation at break, and elongation at elastic limit for plain-end or longitudinal-ended specimens. ASTM D2105 describes the test method and test equipment requirements for testing longitudinal tensile properties of glass fiber reinforced thermosetting resin pipe, and glass fiber reinforced polymer mortar pipe (RPMP).

When followed properly some of the information includes tensile properties such as modulus of elasticity, yield stress, elongation beyond yield point, tensile strength, elongation at break, and energy absorption.

The method of preparation of a material is one of many variables that affect test results. When performing comparative tests of materials, care must be exercised to ensure that all samples are prepared in exactly the same way; similarly, for referee or comparative tests of any given series of specimens, care must be taken to secure the maximum degree of uniformity in details of preparation, treatment, and handling.

This test method may be used to provide data for R&D, engineering design, quality control, acceptance or rejection under specifications, and for other purposes. The tests cannot be considered significant for applications differing widely from the load-time scale of the standard test.

A constant rate of crosshead movement type of test leaves much to be desired from a theoretical standpoint. Also wide differences may exist between gauge marks on the specimen. And specified test speeds disguise important effects characteristics of materials in the plastic state. Variations in specimen thickness, permitted by ASTM D2105, produce variations in the surface volume ratios of such specimens, and these variations may influence the test results. And consequently, where directly comparable results are desired, all samples should be of equal thickness and outside diameter. Appropriate modifications of the test procedure should be used when more precise physical data are needed.

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