On the formation of WC1-x in nanocrystalline cemented carbides - 文章详情页

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摘要：

In　contrast　to　the　general　assumption　that　the　WC1-x,　phase　is　stable　only　at　temperatures　above　2500　degrees　C,　in　the　present　study　WC1-x　is　discovered　to　exist　stably　at　room　temperature　in　nanocrystalline　cemented　carbides.　Based　on　characterization　of　the　microstructure,　crystallographic　features　and　orientation　relationships,　the　formation　mechanism　for　the　WC1-x　phase　in　the　nanocrystalline　structure　is　proposed,　and　the　conditions　of　the　surface　energy　and　composition　are　discussed.　(C)　2012　Acta　Materialia　Inc.　Published　by　Elsevier　Ltd.　All　rights　reserved.

关键词：

Orientation relationship Nanocrystalline Cemented carbides Interface

作者机构：

[ 1 ] [Gao, Yang]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
[ 2 ] [Song, Xiaoyan]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
[ 3 ] [Liu, Xuemei]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
[ 4 ] [Wei, Chongbin]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
[ 5 ] [Wang, Haibin]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
[ 6 ] [Guo, Guangsheng]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

电子邮件地址：

xysong@bjut.edu.cn

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