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Author:

Xiao, L (Xiao, L.)

Indexed by:

SCIE Scopus EI

Abstract:

Cyclic deformation behavior of Ti-5 at.% Al single crystals subjected to pull-push cyclic load along [0 0 0 1] crystallographic orientation was studied. A higher cyclic stress response was displayed in the Ti-5Al single crystal oriented for [0 0 0 1] than that oriented for single prism slip. Optical microscopy and transmission electron microscopy examinations show that twinning is a dominant plastic deformation mode in the single crystals during cycling. Trace analysis of prepolished surfaces was used to identify the twin systems primarily responsible for deformation. The major twin type observed was {1 0 (1) over bar 2}, {1 1 (2) over bar 2}, {1 0 (1) over bar 1} and {1 1 (2) over bar 1}. < c + a > slip was observed in the neighboring region of twins in the fatigued specimens. The activation of multiple twinning systems contributed to the higher cyclic saturation stress in Ti-5Al single crystals oriented for [0 0 0 1]. (c) 2004 Elsevier B.V. All rights reserved.

Keyword:

fatigue slip titanium single crystal twinning

Author Community:

  • [ 1 ] Univ Manitoba, Dept Mech & Ind Engn, Winnipeg, MB R3T 2N2, Canada
  • [ 2 ] Xian Jiaotong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China

Reprint Author's Address:

  • Univ Manitoba, Dept Mech & Ind Engn, Winnipeg, MB R3T 2N2, Canada.

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Source :

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING

ISSN: 0921-5093

Year: 2005

Issue: 1-2

Volume: 394

Page: 168-175

1 . 3 4 7

JCR@2005

5 . 2 3 4

JCR@2020

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 27

SCOPUS Cited Count: 29

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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