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首頁(yè) > 技術(shù)文章 > 復合材料的彎曲試驗

復合材料的彎曲試驗

更新時(shí)間:2009-10-10

閱讀:1991

 

復合材料的彎曲試驗
*直軸線(xiàn)梁試樣
彎曲試驗在金屬、硬塑料等材料中得到廣泛應用之后,被擴展到復合材料試驗中。
-通過(guò)彎曲試驗可測定:材料的彈性模量、層間剪切模量、相應于正應力的強度和層間剪切強度。
-由于復合材料本身結構性質(zhì)的復雜性,導致試樣彎曲時(shí)應力狀態(tài)復雜,因此,表現在對試驗測定結果分析處理時(shí)十分困難。
-在彎曲試驗中,通??蓽y得載荷撓度(或試樣外層的),并由這些參數計算材料的性質(zhì)。然而,試驗時(shí)這些測量值同所研究的材料性能有關(guān),用分析函數計算的精度往往要取決于它們的基本假定,因而,使得結果分析時(shí)變得困難。

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