Investigation of flow behaviour and microstructure on X210CrW12 steel in semi-solid state

被引：23
|
作者：
Shimahara, H. [1 ]
Baadjou, R. [1 ]
Kopp, R. [1 ]
Hirt, G. [1 ]
机构：
[1] RWTH Aachen Univ, Inst Met Forming, D-52056 Aachen, Germany
来源：
SEMI-SOLID PROCESSING OF ALLOYS AND COMPOSITES | 2006年 / 116-117卷
关键词：
steel; semi-solid; compression test; flow stress; microstructure;
D O I：
10.4028/www.scientific.net/SSP.116-117.189
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper describes the basic investigation on material behaviour of cold working steel X210CrW12 in semi-solid state concerning the semi-solid forging. It includes a study of flow behaviour and microstructure by means of a high temperature isothermal upsetting test applying a special cylinder sample with a shell, which is designed to avoid collapsing of samples during the compression. The flow curve of the semi-solid steel is determined by an inverse modelling via FEM using the obtained load curve of the samples and the separately obtained flow stress of the shell material. An extensive microstructure study of the compressed samples provides a comprehensive understanding on the flow mechanism of the semi-solid steel. At the end of the paper some general restrictions and remarks for the semi-solid forging process are given based on the gained results.
引用
收藏
页码：189 / 192
页数：4
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