稀土对45^#钢组织和性能的影响

Effect of RE on the Structure and Property of Steel 45

采用金相显微镜、扫描电镜等手段研究了稀土对45#钢的净化作用,对钢中夹杂物的形貌、含量等的影响,处理实验结果表明,随着钢中稀土含量的增加,45#钢的组织明显细化,改善了钢中夹杂物的形态,提高了钢的硬度和力学性能。

Effects of rare earth on purification of steel 45 and morphology of inclusion in it were investigated by microscope and SEM.The result shows that rare earth can improve the microstracture,hardness and mechanical properties of steel 45.