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

页码：14 / 20

页数：7

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