前言随着社会主义建设的蒸蒸日上,工农业生产和国防工业特别是冶金工业的迅速发展,对材料冲击韧性测量的要求越来越高,为此我们编写了这本讲义。讲义中除介绍了冲击试验机与冲击试验的一般情况外,在讲 Preface With the rapid development of socialist construction, industrial and agricultural production and the rapid development of national defense industry, especially the metallurgical industry, the requirements on the material impact toughness measurement are getting higher and higher. Therefore, we have compiled this handout. In addition to the introduction of the handbook of impact testing machine and the general situation of the impact test, say