High strain rate superplasticity in a commercial 2024 Al alloy via friction stir processing

被引：198

作者：

Charit, I

Mishra, RS

机构：

[1] Univ Missouri, Ctr Frict Stir Proc, Rolla, MO 65409 USA

[2] Univ Missouri, Dept Met Engn, Rolla, MO 65409 USA

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2003年 / 359卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

friction stir processing; 2024; aluminum; superplasticity;

D O I：

10.1016/S0921-5093(03)00367-8

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A novel technique for producing high-strain-rate-superplastic (HSRS) microstructure via friction stir processing (FSP) in a commercial 2024 Al has been demonstrated. A maximum ductility of similar to 525% has been achieved at a strain rate of 10(-2) s(-1) and 430 degreesC. Current results suggest that friction stir processing can be developed as a simple yet effective technique for producing microstructure amenable for superplasticity at high strain rates and/or lower temperatures and at lower flow stresses. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：290 / 296

页数：7

共 35 条

[1] Barnes AJ, 2000, MATER RES SOC SYMP P, V601, P207
[2] Benavides S, 2000, ULTRAFINE GRAINED MATERIALS, P155
[3] Charit I, 2003, HOT DEFORMATION OF ALUMINUM ALLOYS III, P331
[4] Charit I, 2001, FRICTION STIR WELDING AND PROCESSING, P225
[5] Multi-sheet structures in 7475 aluminum by friction stir welding in concert with post-weld superplastic forming
Charit, I
Mishra, RS
Mahoney, MW
[J]. SCRIPTA MATERIALIA, 2002, 47 (09) : 631 - 636
[6] Improving the forming characteristics of aluminium sheets for aerospace applications
Dif, R
Bès, B
Daniel, D
Lassince, P
Ribes, H
[J]. ALUMINIUM ALLOYS: THEIR PHYSICAL AND MECHANICAL PROPERTIES, PTS 1-3, 2000, 331-3 : 483 - 488
[7] GRIMES R, 1991, SUPERPLASTICITY ADV, P771
[8] HATCH JE, 1984, ALUMINUM PROPERTIES, P219
[9] Equal-channel angular pressing as a production tool for superplastic materials
Horita, Z
Lee, S
Ota, S
Neishi, K
Langdon, TG
[J]. SUPERPLASTICITY IN ADVANCED MATERIALS, ICSAM-2000, 2001, 357-3 : 471 - 476
[10] HUANG H, 1988, SUPERPLASTICITY SUPE, P465

← 1 2 3 4 →