ASTM D6272通过四点弯曲对非增强和增强塑料和电气绝缘材料的柔韧特性的标准试验方法
日期:2012-02-08 09:54
nce between four point and three point bending modes is the location of the maximum bending moment and maximum axial fiber stress. In four point bending the maximum axial fiber stress is uniformly distributed between the loading noses. In three point bending the maximum axial fiber stress is located immediately under the loading nose.
Flexural properties may vary with specimen depth, temperature, atmospheric conditions, and the difference in rate of straining specified in Procedures A and B.
Bef
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