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作者:

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

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EI Scopus SCIE

摘要:

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.

关键词:

Cemented carbides Deformation Dislocation Microstructure

作者机构:

  • [ 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

通讯作者信息:

  • 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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来源 :

MATERIALS & DESIGN

ISSN: 0264-1275

年份: 2018

卷: 150

页码: 154-164

8 . 4 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:131

JCR分区:1

被引次数:

WoS核心集被引频次: 59

SCOPUS被引频次: 55

ESI高被引论文在榜: 0 展开所有

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