Chinese Standard: GB/T 7732-2008

Metallic materials—Fracture toughness testing method with surface crack tension specimens

NEQ  ASTM E740-03

全国钢铁标准化技术委员会

本标准规定了在连续缓慢增加的拉伸载荷下测定断裂韧度试验方法的原理、术语、定义及符号、试样、试验设备及试验程序、试验结果处理和试验报告。
本标准适用于具有半椭圆或部分圆形表面裂纹的金属材料矩形横截面拉伸试样。

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