American Society for Testing and Materials.A questionnaire sent to members of American Society for Testing and Materials (ASTM ASTM abbr. American Society for Testing and Materials ) International Committee D30 on Composite Materials composite material or composite, any material made from at least two discrete substances, such as concrete. Many materials are produced as composites, such as the fiberglass-reinforced plastics used for automobile bodies and boat hulls, but the proved to be the catalyst for a pair of newly approved standards, D 7136, "Test method measuring the damage resistance of a fiber-reinforced polymer matrix composite to a drop-weight impact event," and D 7137, "Test method for compressive com·pres·sive adj. Serving to or able to compress. com·pres  sive·ly adv. residual strength Residual strength is the load or force (usually mechanical) that a damaged object or material can still carry without failing. properties of damaged polymer matrix composite plates." Both new standards are under the jurisdiction of Subcommittee D30-05 on Structural Test Methods.
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