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塑料彎曲試驗GB/T 9341-2000

作者：來源：发布日期： 2020.09.28

信息摘要：

塑料彎曲試驗GB/T 9341-2000

塑料彎曲試驗GB/T 9341-2000

塑料试验机可检测熱塑性模塑和擠塑材料，包括填充的和增強的未填充材料以及硬質熱塑性板材。這些性能包括彎曲強度以及彎曲彈性模量。国标：GB/T 9341-2000。

詳細信息

塑料彎曲試驗

彎曲試驗主要用來檢驗材料在經受彎曲負荷作用時的性能，生産中常用彎曲試驗來評定材料的彎曲強度和塑性變形的大小，是質量控制和應用設計的重要參考指標。
国标GB/T 9341-2000 对试验的步骤作了详细地描述。

本部分應用于：
熱塑性模塑和擠塑材料，包括填充的和增強的未填充材料以及硬質熱塑性板材。這些性能包括彎曲強度以及彎曲彈性模量。
熱固性模塑板料，包括填充和增強材料，熱固性板材，包括層壓材料纖維增強熱固性和熱塑性複合材料，其含有單向或非單向的增強材料，如氈紡織纖維紡織粗紗短切原絲組合或混雜增強材料無撚粗紗和磨碎纖維等；由預浸漬材料制成的板材熱致液晶聚合物。

試驗儀器：
◎試樣的制備儀器：用注塑機制得標准試樣五根以上或機加制樣
◎试验设备主机：CMT1104 電子萬能試驗機（塑料试验机）
◎試驗設備配件：
夾具：我們推薦使用三點彎曲加載裝制可以評價剛性和半剛性的材料
又同時試樣的支承跨度（大小）是與試樣的厚度有關的，所以，在選擇夾具前，重要的一點是要知道試樣的尺寸範圍。加載的壓頭和底座的尺寸，對于不同的標准來說，是不同的，這點要詳細的查閱標准。
直線光柵尺或電阻應變儀：在進行三點彎曲試驗時，采用橫梁的位移來測量撓度是不適合的。因此，在三點彎曲試驗中，就要使用直線光柵尺或電阻應變儀，來直接測量桡度和應變。

关于此解决方案：建议查阅国标GB/T 9341-2000标准，以便完全掌握所需的试验设备，试验程序的设置和所要求的结果。
相关标准 GB/T 9341-2000 |JIS K7017 | JIS K7171 | JIS K7074 | ISO 178 | ASTM D790
样品类型: 长方体
材料: 塑料

测试类型: 挠曲/弯曲

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