A study on Deformation and Densification characteristics of P/M Fe-C-Mn alloy Steels under cold upset

被引：2
|
作者：
Vishnuraj, J. T. [1 ]
Kandavel, T. K. [1 ]
Kishan, I. Sai [1 ]
Akash, G. [1 ]
机构：
[1] SASTRA Univ, Sch Mech Engn, Shanmugha Arts Sci Technol & Res Acad, Thanjavur 613401, Tamil Nadu, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2018年 / 5卷 / 08期
关键词：
Powder metallurgy; Sintering; Deformation; Densification; Plain carbon steel; cold upsetting; MECHANICAL-PROPERTIES; SINTERED IRON; MICROSTRUCTURE;
D O I：
10.1016/j.matpr.2018.06.039
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present investigation has been undertaken to study the deformation and densification characteristics of Mn added P/M plain carbon steel. Cold upsetting was carried out on the sintered preforms of Fe-0.2%C, Fe-0.2%C-0.5%Mn, Fe-0.2%C-2.0%Mn low alloy steels using flat dies. Dimensional changes of the preforms after uniform incremental loads were accurately measured and the density was also evaluated. Further, the photomicrographs of the alloy steels reveal that addition of Mn leads to the formation of undissolved carbides in the grain structure. Increased Mn content leads to work hardening effect during cold deformation thereby reducing the deformation as well as densification. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：16740 / 16747
页数：8
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