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ISO » ISO 14129 面內剪應力/剪應變響應

ISO 14129 面內剪應力/剪應變響應

ISO 14129 規定了一種通過 ±45° 拉伸測試方法來確定面內剪應力/剪應變響應的程序,包括纖維增強塑料複合材料的面內剪切模量和剪切強度。該方法適用於由單向層和/或織物(包括單向織物)製成的熱固性和熱塑性基體層壓板,其中纖維相對於試樣軸向呈 ±45° 排列,且鋪層相對於試樣中平面對稱且平衡。通常,試樣需要應變計來測量平行和垂直方向,我們會使用我們的擴展通道模組進行應變調節和輸出。

ISO 14129 描述了如何對一個纖維相對於試樣軸向呈 ±45° 排列的矩形截面條狀試樣進行拉伸負載。為了確定剪切模量,需要測量平行和垂直於試樣軸向的應變。複合材料經常用於航空航太、汽車和能源應用,因此了解材料強度在實際條件下受到多大影響至關重要。例如,為了滿足 Nadcap 要求,我們可以提供可行的解決方案。

我們建議使用 34006800 系列萬能測試儀,配合我們專用的 Bluehill Universal 軟體模組適用於此應用程式,因為它可輕鬆與任何其他常見的複合材料測試應用程式(例如 拉伸、剪切、彎曲壓縮)進行配置。

我們提供多種夾持解決方案,如氣動液壓夾具,可用於此應用,具體取決於被測試的材料。此外,我們建議完整查看ISO 14129,以了解與您所測試材料相關的測試夾具和結果要求。

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