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Author:

Zhao, Yanlei (Zhao, Yanlei.) | Li, Bolong (Li, Bolong.) | Zhu, Zhishou (Zhu, Zhishou.) | Nie, Zuoren (Nie, Zuoren.) (Scholars:聂祚仁)

Indexed by:

EI Scopus SCIE

Abstract:

TC21 titanium alloy was hot compressed isothermally at temperatures ranging from 880 degrees C to 950 degrees C and strain rates ranging from 0.01 to 10 s(-1). Microstructures were investigated by electron backscatter diffraction (EBSD) technique and transmission electron microscopy (TEM), and processing maps were developed at different strains. It is found that strain rate is a key factor for the formation of hot deformation microstructure. The stress-strain curves were exhibited flow softening behavior at high strain rate above 1 s(-1), while equiaxed grains were found at lower strain rates. There is no large instability zone besides two peak-areas of 880-900 degrees C, 1-10 s(-1) and 925-950 degrees C, 10(-0.5) to 10 s(-1). (C) 2010 Elsevier B.V. All rights reserved.

Keyword:

Microstructure Processing map Hot deformation TC21 alloy

Author Community:

  • [ 1 ] [Zhao, Yanlei]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Bolong]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Nie, Zuoren]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Zhu, Zhishou]Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China

Reprint Author's Address:

  • 聂祚仁

    [Nie, Zuoren]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

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Source :

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

ISSN: 0921-5093

Year: 2010

Issue: 21-22

Volume: 527

Page: 5360-5367

6 . 4 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 37

SCOPUS Cited Count: 49

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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