您当前所在位置: 首页 > 学者

彭颖红

  • 11浏览

  • 0点赞

  • 0收藏

  • 0分享

  • 331下载

  • 0评论

  • 引用

期刊论文

Simulation and fracture prediction for sintered materials in upsetting by FEM

彭颖红X.Q. Zhang* Y.H. Peng X.Y. Ruan

,-0001,():

URL:

摘要/描述

Experiments dealing with the upsetting of sintered materials have resulted in the determination of a forming limit in terms of the local copressive and tenslis. As the specimen is comperessed, a plot of tensile strain versus compressive strain can be made. Fracture occurs when the strain parth intersects the forming limit. Once the fracture locus is defined by an experimental method, it is possible to use the Finite Element Method to determine if some upsetting operation will exhibit a free surface crack during a deformation process. In this study, a finite element program has been developed to analyze the deformation processes of sintered metals in upesetting. At the same time, products are inverstigated. The locus strains are then calualted and possible defects leading to material failure are checked. The calculated results argree well with the experimental results.

版权说明:以下全部内容由彭颖红上传于   2005年03月15日 23时04分19秒,版权归本人所有。

我要评论

全部评论 0

本学者其他成果

    同领域成果