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Powder Metallurgy ,Volume 58, Issue 3 (July 7 2015) ,pp. 193–196

Reaction synthesis of ultrafine titanium diborides and nitrides reinforced steel matrix composites in situ by spark plasma sintering

X. G. Zeng

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Reaction synthesis of ultrafine titanium diborides and nitrides reinforced steel matrix composites in situ by spark plasma sintering
作者:Zeng, XG (Zeng, X. G.)
POWDER METALLURGY
卷: 58  期: 3  页: 193-196
DOI: 10.1179/1743290114Y.0000000120
出版年: JUL 2015
查看期刊信息
摘要
A novel technique for synthesis of in situ titanium diborides and nitrides reinforced steel matrix composite (TiB2-TiN/Fe) was put forward. In situ TiB2-TiN/Fe composite was synthesised by spark plasma sintering of mechanically mixed ferrotitanium and boron nitride (BN) powders. The phase evolution during sintering indicates that the TiB2-TiN reinforcements are formed in situ as follows: first step, the solid/solid interface reaction between ferrotitanium and BN, resulting in the formation of a small amount of TiB2 and TiN below 1000 degrees C; second step, the solid-liquid solution precipitation reaction in the Fe-Ti-B-N system, resulting in most of TiB2 and TiN reinforcement formation at similar to 1100 degrees C. The microstructure investigation reveals that utrafine TiB2 and TiN reinforcements with a size of similar to 1 mu m are homogeneously distributed in the Fe matrix.
关键词
作者关键词:Metal matrix composites; Spark plasma sintering; X-ray analysis; Microstructure
KeyWords Plus:MECHANICAL-PROPERTIES
作者信息
通讯作者地址: Zeng, XG (通讯作者)
      Sichuan Univ Sci & Engn, Coll Mat & Chem Engn, Chengdu 643000, Sichuan, Peoples R China.
地址:
      [ 1 ] Sichuan Univ Sci & Engn, Coll Mat & Chem Engn, Chengdu 643000, Sichuan, Peoples R China
电子邮件地址:dengjg10@163.com
出版商
MANEY PUBLISHING, STE 1C, JOSEPHS WELL, HANOVER WALK, LEEDS LS3 1AB, W YORKS, ENGLAND
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:000358407900006
ISSN: 0032-5899
eISSN: 1743-2901
期刊信息
Impact Factor (影响因子): Journal Citation Reports®
其他信息
IDS 号: CN4NW
Web of Science 核心合集中的 "引用的参考文献": 20
Web of Science 核心合集中的 "被引频次": 0

SCi已经收录入藏号: WOS:000358407900006

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