On the feasibility of a novel severe plastic deformation method for cylindrical tubes; friction assisted tubular channel pressing (FATCP)

被引：7
|
作者：
Hosseini, S. H. [1 ]
Sedighi, M. [1 ]
机构：
[1] Iran Univ Sci & Technol, Sch Mech Engn, Tehran, Iran
来源：
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2016年 / 30卷 / 11期
关键词：
Severe plastic deformation; Friction power; Tubular channel; Recrystallization; Microstructure; DYNAMIC RECRYSTALLIZATION; TCAP;
D O I：
10.1007/s12206-016-1033-5
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper introduces a novel severe plastic deformation method entitled Friction assisted tubular channel pressing (FATCP) for producing ultrafine-grained cylindrical tubes. For this purpose, using the precious potential of friction power increases temperature in deformation area and provides localized material softening, severe combined strains and lower pressing force. At first, presented method was executed on the Cu-35Zn alloy and this process exhibits good applicability for this material. Investigation of microstructure of FATCPed sample showed a significant grain refinement from an initial average grain size of 70 mu m to less than 5 mu m after a single pass. Also, hardness notably increased to 132 Hv from an initial value of 60 Hv.
引用
收藏
页码：5153 / 5157
页数：5
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