大锻件锻造过程中的损伤预报  

Crack Forecast of Heavy Forging During Forging Process

作　　者：关明[1] 常志梁[1] 魏新鹏[1] 何文武[1] 

机构地区：[1]太原科技大学材料科学与工程学院,山西太原030024

出　　处：《热加工工艺》2012年第11期91-94,共4页Hot Working Technology

基　　金：山西省国际科技合作项目(2011081020)

摘　　要：从材料学和损伤力学角度出发,利用数值模拟与物理模拟相结合的研究手段,定量分析了Mn18Cr18N钢锻造成形中裂纹的形成和扩展过程,为大锻件锻造成形中的损伤预报提供了科学指导依据。Based on materials science point of view and damage mechanics point of view,used the methods of the FEM numerical simulation and physics simulated test,the crack formation and crack extension during the forging process of Mn18Cr18N steel were analysed.The results can provide guidance for the crack forecast of heavy forging.

关 键 词：大锻件 裂纹 数值模拟 

分 类 号：TG302[金属学及工艺—金属压力加工]