Bulk Ti1-xAlxN nanocomposite via spark plasma sintering of nanostructured Ti1-xAlxN-AlN powders

被引：23
作者：
Borodianska, H. [1 ,2 ]
Ludvinskaya, T. [2 ]
Sakka, Y. [1 ]
Uvarova, I. [2 ]
Vasylkiv, O. [1 ]
机构：
[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
[2] NASU, Inst Mat Sci, UA-03680 Kiev, Ukraine
来源：
SCRIPTA MATERIALIA | 2009年 / 61卷 / 11期
关键词：
Spark plasma sintering; Ceramics; Nitrides; Nanocomposite; Nanostructure; CHEMICAL-VAPOR-DEPOSITION; YAG CERAMICS; SPS; DENSIFICATION; COATINGS; TI2ALN; MICROSTRUCTURE; MULTILAYERS; NANOPOWDERS;
D O I：
10.1016/j.scriptamat.2009.08.019
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We present successful preparation of bulk Ti1-xAlxN nanocomposite via spark plasma sintering (SPS) of nanostructured Ti1-xAlxN-AlN powders. The density, microhardness and fracture toughness of the composite increase with increasing sintering temperature up to 1600 degrees C. Increasing the content of the Ti1-xAlxN solid solution results in a remarkable increase in the material's mechanical characteristics. All these characteristics are comparable to or better than that of TiN. The bulk nanostructured Ti1-xAlxN densified by SPS at 1600 degrees C has a microhardness of 17.5 GPa and a fracture toughness of 7.25 MPa m(1/2). (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1020 / 1023
页数：4
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