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ASTM D790 未加強和加強塑料與電氣絕緣材料的彎曲性能的標準試驗方法
ASTM D790 Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
ASTM D790 未加強和加強塑料與電氣絕緣材料的彎曲性能的標準試驗方法簡介:ASTM D790應(yīng)用于對未加強和加強塑料彎曲性能的測定,包括了高模量復(fù)合材料和電氣絕緣材料。這種測試方法一般適用于剛性和半剛性材料。然而,對于那些應(yīng)變極限在5.0%之內(nèi),但外表面不能被破壞或不能失效的產(chǎn)品,其抗彎強度是不能被確定的。這些測試方法利用三點加載系統(tǒng)廣泛應(yīng)用于簡支梁。
ASTM D790 Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials scope:These test methods cover the determination of flexural properties of unreinforced and reinforced plastics, including
high-modulus composites and electrical insulating materials in the form of rectangular bars molded directly or cut from sheets, plates, or molded shapes. These test methods are generally applicable to both rigid and semirigid materials. However, flexural strength cannot be determined for those materials that do not break or that do not fail in the outer surface of the test specimen within the 5.0 % strain limit of these test methods.These test methods utilize a three-point loading system applied to a simply supported beam.
ASTM D790塑料彎曲性能測試相關(guān)的其他機械性能測試標準:
ASTM D648彎曲負荷下塑料的撓曲溫度的標準試驗方法
ASTM D648 Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
ASTM D570塑料吸水率的標準試驗方法
ASTM D570 Standard Test Method for Water Absorption of Plastics
ASTM D638 塑料產(chǎn)品拉伸性能的標準試驗方法
ASTM D638 Standard Test Method for Tensile Properties of Plastics
ASTM D2583用巴
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