材料技术的不断更新和发展对传统测试技术提出了新的要求和挑战，尤其对于某些测试结果指标开始提出质疑。本文主要探讨关于测试钢材断裂韧性的问题，尤其关注于配备高端研究模型的落锤撕裂试样断裂性能实验设备的使用问题。
The development in material technology has placed substantial demands on conventional test techniques and the relevance of some results have been drawn into question. This article examines issues concerning to the measurement of fracture toughness of steel, in particular to the use of high capacity instrumented DWT testers.
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