Effect of spark plasma sintering temperature on structure and phase composition of Ti-Al-Nb-based alloys

被引：5
作者：
Kurbanbekov, Sherzod [1 ,2 ]
Skakov, Mazhyn [3 ]
Baklanov, Viktor [4 ]
Karakozov, Batyrzhan [2 ]
机构：
[1] D Serikbaev East Kazakhstan State Tech Univ, Ust Kamenogorsk, Kazakhstan
[2] Republican State Enterprise Natl Nucl Ctr Republ, Inst Atom Energy Branch, Kurchatov, Kazakhstan
[3] Gen Republican State Enterprise Natl Nucl Ctr Rep, Kurchatov, Kazakhstan
[4] Republican State Enterprise Natl Nucl Ctr Republ, Inst Atom Energy Branch, Mat Res, Kurchatov, Kazakhstan
来源：
MATERIALS TESTING | 2017年 / 59卷 / 11-12期
关键词：
Intermetallics; titanium aluminide; spark plasma sintering; microstructure; phase composition; NIOBIUM;
D O I：
10.3139/120.111107
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this work, effect of spark plasma sintering (SPS) temperature on structure and phase composition (SPC) of Ti-Al-Nb-based alloys produced by SPS technique at 1000 to 1550 degrees C has been investigated. X-ray phase analysis, raster electron microscopy and energy dispersive X-ray spectroscopy with determination of element distribution were applied to study sintered alloys. It was found that microstructure of alloys sintered at 1000 degrees C and 1200 degrees C is heterogeneous. These alloys consist of Ti3Al grains and Nb2Al phase as well as dispersed separations of Ti2AlNb phase and unreacted particles of niobium and titanium. Results of structure and phase analyses showed that these alloys become homogeneous and laminar with increasing sintering temperature.
引用
收藏
页码：1033 / 1036
页数：4
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