In this paper, the dynamic fracture toughness measuring method for 921a shipbuilding steel is studied by instrumented Charpy impact test.
本文利用示波冲击试验，对船用921 A钢动态断裂韧性的测试方法进行了研究。
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 influence of pre-heating temperature on organization and performance of X80 pipeline steel was investigated by weld thermal simulation technique and the instrumented Charpy impact toughness test.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
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