Oscilloscope Charpy impact curve corresponds well with fractographic characteristic, hardness curve and the microstructures, therefore is the effective toughness analyzing method.
示波冲击曲线与断口形貌和硬度以及组织有良好的对应关系，是韧性分析的有效方法之一。
2
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。
3
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".