Rapid Sintering of Ultrafine Titanium Carbides Reinforced In Situ Iron Matrix Composites by High-Frequency Induction Heating

被引：0

作者：

Gu, Zhongtao ^{[1
]}

Li, Guangming ^{[1
]}

Jin, Yuping ^{[1
]}

机构：

[1] SW Univ Sci & Technol, Sch Mfg Sci & Engn, Mianyang 621010, Peoples R China

来源：

NANOSCIENCE AND NANOTECHNOLOGY LETTERS | 2012年 / 4卷 / 01期

关键词：

Metal Matrix Composites; Titanium Carbides; Induction Heated Sintering; Tribology Properties; MECHANICAL-PROPERTIES; BEHAVIOR; PARTICLES;

D O I：

10.1166/nnl.2012.1277

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In situ titanium carbides reinforced iron matrix composites were synthesized by high-frequency induction heated sintering (HFIHS) of mechanically mixed ferrotitanium and carbon black powders. The phase, microstructure of the composites sintered at 1200 degrees C and the influence of Ti/C atom ratio on the density and hardness of the specimens were studied. Moreover, the wear performance of the composites was investigated. The results show that ultrafine titanium carbide particulates with a size of similar to 0.5 mu m were homogeneously distributed in the matrix by the HFIHS technique. Lower Ti/C ratio results in lower density, but higher hardness. Wear tests indicate that the TiC/Fe composites possess excellent wear resistance under the condition of dry sliding with heavy loads.

引用

页码：83 / 85

页数：3

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