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。
There was obvious scattering for the test results of dynamic fracture toughness under high loading rates.
断裂韧度数值在高加载速率下呈现出明显的离散性。
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