Effects of temperature and initial microstructure on the equal channel angular pressing of Ti-6Al-4V alloy

被引:81
作者
Ko, YG
Jung, WS
Shin, DH
Lee, CS [1 ]
机构
[1] Pohang Univ Sci & Technol, Ctr Adv Aerosp Mat, Dept Mat Sci & Engn, Pohang 790784, South Korea
[2] Hanyang Univ, Dept Met & Mat Sci, Ansan 425791, Kyunggi Do, South Korea
关键词
equal channel angular pressing; Ti-6Al-4V alloy; microstructure; flow softening;
D O I
10.1016/S1359-6462(02)00356-1
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Equal channel angular pressing of Ti-6Al-4V alloy was successfully carried out isothermally above 600 C. The equiaxed microstructure presented more uniform material flow than the Widmanstatten microstructure, which was discussed in relation to flow softening behavior of the two microstructures. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:197 / 202
页数:6
相关论文
共 11 条
[1]   Hot working of Ti-6Al-4V via equal channel angular extrusion [J].
DeLo, DP ;
Semiatin, SL .
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1999, 30 (09) :2473-2481
[2]   The process of grain refinement in equal-channel angular pressing [J].
Iwahashi, Y ;
Horita, Z ;
Nemoto, M ;
Langdon, TG .
ACTA MATERIALIA, 1998, 46 (09) :3317-3331
[3]   Principle of equal-channel angular pressing for the processing of ultra-fine grained materials [J].
Iwahashi, Y ;
Wang, JT ;
Horita, Z ;
Nemoto, M ;
Langdon, TG .
SCRIPTA MATERIALIA, 1996, 35 (02) :143-146
[4]  
Partridge P.G., 1968, MET REV, V118, P169
[5]   Equal channel angular extrusion: from macromechanics to structure formation [J].
Segal, VM .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1999, 271 (1-2) :322-333
[6]  
Semiatin SL., 1984, Formability and Workability of Metals: Plastic Instability and Flow Localization
[7]   Microstructural evolution in a commercial low carbon steel by equal channel angular pressing [J].
Shin, DH ;
Kim, BC ;
Kim, YS ;
Park, KT .
ACTA MATERIALIA, 2000, 48 (09) :2247-2255
[8]   Influence of ECAP routes on the microstructure and properties of pure Ti [J].
Stolyarov, VV ;
Zhu, YT ;
Alexandrov, IV ;
Lowe, TC ;
Valiev, RZ .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2001, 299 (1-2) :59-67
[9]   Structure and deformation behaviour of armco iron subjected to severe plastic deformation [J].
Valiev, RZ ;
Ivanisenko, YV ;
Rauch, EF ;
Baudelet, B .
ACTA MATERIALIA, 1996, 44 (12) :4705-4712
[10]   Bulk nanostructured materials from severe plastic deformation [J].
Valiev, RZ ;
Islamgaliev, RK ;
Alexandrov, IV .
PROGRESS IN MATERIALS SCIENCE, 2000, 45 (02) :103-189