Thermal shock behavior of Si3N4-TiN nano-composites

被引：29
|
作者：
Tian, Chunyan [1 ]
Jiang, Hai [1 ]
Liu, Ning [2 ]
机构：
[1] Hefei Univ, Dept Mech Engn, Hefei 230022, Anhui, Peoples R China
[2] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China
来源：
INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2011年 / 29卷 / 01期
关键词：
Si3N4; Nano-composites; TiN; Thermal shock resistance; SILICON-NITRIDE; MECHANICAL-PROPERTIES; MICROSTRUCTURE; TIN; CERAMICS; SIALON;
D O I：
10.1016/j.ijrmhm.2010.06.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Si3N4-TiN nano-composites were fabricated by hot press sintering nano-sized Si3N4 and TiN powders The microstructure mechanical properties and thermal shock behavior of Si3N4-TiN nano composites were investigated The addition of proper amount TiN particles can significantly increase the flexural strength and the fracture toughness Si3N4-TiN nano-composites showed both higher critical temperature difference and higher residual strength compared with those of monolithic silicon nitride nano-ceramic when the amount of TiN si less than 15 wt% But a further increase in the amount of TiN leaded to a decrease in the thermal shock resistance (C) 2010 Elsevier Ltd All rights reserved
引用
收藏
页码：14 / 20
页数：7
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