Via a series of contrast experiments, the machine's main parameters accorded to the international standard of ISO 14556:2000 (e) "Steel-charpy V-notch impact test - Instrumented test method".
通过一系列对比试验，证明主要指标达到国际标准ISO 14556： 2000 (E)《钢材V型缺口冲击试验——仪器实验方法》的要求。
The effects of thickness and notch orientation on the toughness of X70 pipeline steel samples with V notch were investigated experimentally by use of the 3-point bending test at different temperature.
通过不同温度条件下不同厚度、不同缺口取向含V形缺口试样进行3点弯曲试验研究，发现X70管线钢具有严重的各向异性现象，其在平行钢板表面方向和沿钢板厚度方向力学性能差异较大。
The effects of thickness and notch orientation on the toughness of X70 pipeline steel samples with V notch were investigated experimentally by use of the 3-point bending test at different temperature.
通过不同温度条件下不同厚度、不同缺口取向含V形缺口试样进行3点弯曲试验研究，发现X70管线钢具有严重的各向异性现象，其在平行钢板表面方向和沿钢板厚度方向力学性能差异较大。
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