The alteration of the strength, hardness and impact ductility of 5CrNiMo steel using three different additions of RE La ......

为了研究不同压下量和送进量对拔长过程中锻件表面质量的影响,建立拔长折叠产生的判断条件,以5CrNiMo模块锻件为对象,用有限元软件......