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【答案】应助回帖
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感谢参与，应助指数 +1
yhlicn: 金币+5, ★★★★★最佳答案, 谢谢！ 2017-06-30 16:58:29
lazy锦溪: LS-EPI+1 2017-07-08 12:33:21
Phase composition and microstructure of materials in the Ir-Ru-B system prepared by arc melting and VHP sintering
作者:Zhou, XL (Zhou, Xiaolong)[ 1,2,3 ] ; Zhou, ZB (Zhou, Zhaobo)[ 1,2,3 ] ; Zhang, KH (Zhang, Kunhua)[ 4 ] ; Yu, J (Yu, Jie)[ 1,2,3 ]
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
卷: 108
期: 5
页: 378-389
DOI: 10.3139/146.111492
出版年: MAY 2017
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摘要
In this paper, materials in the Ir-Ru-B system with nominal compositions of Ir-Ru-2B and 3Ir-Ru-4B were synthesized by arc melting and vacuum hot press (VHP) sintering. The phase composition and microstructure were characterized using X-ray diffraction, back scatter electron imaging, energy dispersive spectroscopy and electron back scatter diffraction. Different preparation processes for these Ir-Ru-B system materials were studied. The results show that Ir-Ru-2B prepared by arc melting and VHP sintering contains Ir(Ru)B-0.9 and Ru(Ir)B solid solutions, while 3Ir-Ru-4B contains Ir(Ru) B-0.9, Ru(Ir)B-2 and Ir(Ru) solid solutions. The error for the lattice parameters of the VHP sintered samples was larger than that of the arc melted samples. The energy spectrum analysis of the Ir-Ru-2B samples prepared using different processes indicates that the solubility of the solid solutions in the VHP sintered samples was higher than the solubility in the arc melted samples. The formation mechanisms for the (Ir, Ru)-B, (Ir(Ru) B-0.9, Ru(Ir)B-2 and Ru(Ir) B) and Ir(Ru) solid solutions are discussed in detail. There is more Ir(Ru) solid solution in the VHP sintered sample than in the arc melted sample, and the grain orientation of the former is more complex than that of the latter.
关键词
作者关键词:Vacuum hot press sintering; Arc melting; Ir-Ru-B system; Phase constitution; Microstructure
KeyWords Plus:MECHANICAL-PROPERTIES; SUPERHARD MATERIALS; TRANSITION; DIBORIDES; NITRIDES; HARDNESS
作者信息
通讯作者地址: Zhou, XL (通讯作者)
[显示增强组织信息的名称] Kunming Univ Sci & Technol, Dept Mat Sci & Engn, Kunming 650093, Peoples R China.
地址:
[显示增强组织信息的名称] [ 1 ] Kunming Univ Sci & Technol, Dept Mat Sci & Engn, Kunming 650093, Peoples R China
[显示增强组织信息的名称] [ 2 ] Kunming Univ Sci & Technol, Key Lab Adv Mat Yunnan Prov, Kunming, Peoples R China
[显示增强组织信息的名称] [ 3 ] Kunming Univ Sci & Technol, Minist Educ, Key Lab Adv Mat Nonferrous & Precious Rare Met, Kunming, Peoples R China
[ 4 ] Kunming Inst Precious Met, State Key Lab Rare Precious Met Comprehens Utiliz, Kunming, Peoples R China
电子邮件地址:kmzxlong@163.com
基金资助致谢
基金资助机构 授权号
National Natural Science Foundation of China
51262015
State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals
SKL-SPM-201510
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出版商
CARL HANSER VERLAG, KOLBERGERSTRASSE 22, POSTFACH 86 04 20, D-81679 MUNICH, GERMANY
类别 / 分类
研究方向:Metallurgy & Metallurgical Engineering
Web of Science 类别:Metallurgy & Metallurgical Engineering
文献信息
文献类型:Article
语种:English
入藏号: WOS:000403331500005
ISSN: 1862-5282
eISSN: 2195-8556
期刊信息
Impact Factor (影响因子): Journal Citation Reports
其他信息
IDS 号: EX6DA
Web of Science 核心合集中的 "引用的参考文献": 21
Web of Science 核心合集中的 "被引频次": 0
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