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Author:

Liu, Xuemei (Liu, Xuemei.) | Zhang, Jianlong (Zhang, Jianlong.) | Hou, Chao (Hou, Chao.) | Wang, Haibin (Wang, Haibin.) | Song, Xiaoyan (Song, Xiaoyan.) (Scholars:宋晓艳) | Nie, Zuoren (Nie, Zuoren.) (Scholars:聂祚仁)

Indexed by:

EI Scopus SCIE

Abstract:

The WC-Co cemented carbides with ultracoarse and ultrafine grain structures were tested by the bonded interface technique to investigate the deformation behaviour of WC. The electron backscattering diffraction assisted trace analysis and transmission electron microscopy were combined to examine the microstructural details in the deformation region. It was found that the plastic characteristics of the ultracoarse WC originate from both the prismatic (e.g. {10 (1) over bar0} <(1) over bar2 (1) over bar3 >) and pyramidal (e.g. {0 (1) over bar 11} < 0 (1) over bar 10 >) slip systems. The deformation mechanisms of the ultracoarse and ultrafine cemented carbides were compared. It was proposed that different from the ultrafine cemented carbides in which the plastic deformation is mainly attributed to the metal binder, the dislocations and stacking faults in WC make significant contributions to the plastic deformation hence the fracture toughness of the ultracoarse cemented carbide. (c) 2018 Elsevier Ltd. All rights reserved.

Keyword:

Dislocation Deformation Microstructure Cemented carbides

Author Community:

  • [ 1 ] [Liu, Xuemei]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Jianlong]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
  • [ 3 ] [Hou, Chao]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Haibin]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
  • [ 5 ] [Song, Xiaoyan]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
  • [ 6 ] [Nie, Zuoren]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 宋晓艳

    [Song, Xiaoyan]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China

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Source :

MATERIALS & DESIGN

ISSN: 0264-1275

Year: 2018

Volume: 150

Page: 154-164

8 . 4 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:260

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 65

SCOPUS Cited Count: 64

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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