Effect of sintering temperature on the mechanical properties of rare earth oxides toughened cermet tool materials

被引：3
|
作者：
Xu, L. Q. [1 ]
Huang, C. Z.
Wang, S. L.
Liu, Z. W.
机构：
[1] Shandong Univ, CaJET, Sch Mech Engn, Jinnan 250061, Peoples R China
[2] Yantai Univ, Sch Mechatron & Automobile Engn, Yaitai 264005, Peoples R China
来源：
ADVANCES IN MACHINING & MANUFACTURING TECHNOLOGY VIII | 2006年 / 315-316卷
关键词：
sintering temperature; rare earth oxides; Ti (C0.7N0.3)-based cermets; microstructure; mechanical properties;
D O I：
10.4028/www.scientific.net/KEM.315-316.706
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of sintering temperature on mechanical properties and microstructure of rare earth oxides toughened Ti(C,N) ceramic cutting tool materials was investigated. The results showed that the mechanical properties of Ti(C,N) based ceramics were greatly influenced by sintering temperature. As a result, both of the density and mechanical properties of the materials sintered at 1350 degrees C and 1400 degrees C are worse than those sintered at 1450 degrees C and 1500 degrees C. Low sintering temperature results in low density and degraded mechanical properties, but too high sintering temperature results in the precipitation of bond metal and thus reduces its fracture toughness. Intergranular fracture mode, of the material is mainly observed.
引用
收藏
页码：706 / 709
页数：4
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