【摘要】 研究了预退火处理对奥贝球铁力学性能的影响。结果表明 ,进行了预退火处理的奥贝球铁材料的强度、硬度有一定的降低 ,但其伸长率有较大幅度的提高 ,材料的综合力学性能得到极大的改善。更多还原

【Abstract】 The effect of annealing on mechanical properties of ADI was studied.The results show that tensile strength and rigidity was a little decreased,the ductibility was increased and the synthetic mechanical properties was improved.更多还原