Transactions of Nonferrous Metals Society of China, ( ISI ), Volume (25), No (5), Year (2015-5) , Pages (1460-1467)

Title : ( Microstructural aspects of in-situ TiB reinforced Ti6Al4V composite processed by spark plasma sintering )

Authors: Saeid GHESMATITABRIZI , Abolfazl Babakhani , Seyed Abdolkarim Sajjadi , Weijie Lu ,

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Titanium-matrix composites have important and wide applications in the transport and aerospace industries. The current research is focused on powder metallurgy processing of in-situ reinforced titanium-matrix composite with TiB whiskers. The Ti-6Al-4V alloy and B4C additive powders were used as raw materials. Two different consolidation techniques; namely press-and-sintering and spark plasma sintering were selected. It was observed that in-situ TiB whiskers were formed during sintering in both methods. The changes in size, aspect ratio and distribution of in-situ whiskers in different composite samples were monitored. The effect of spark plasma sintering temperature on the synthesis of in-situ whiskers was also investigated. Based on the microstructural observations (optical and scanning electron microscopy) and the energy dispersive spectroscopy analysis, it was concluded that increasing the spark plasma sintering temperature from 900 to 1100°C would lead to the complete formation of in-situ TiB whiskers and reduced porosity content.

Keywords

, Ti-6Al-4V metal matrix composite, E: powder processing, in-situ TiB, D: electron
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@article{paperid:1044468,
author = {GHESMATITABRIZI, Saeid and Babakhani, Abolfazl and Sajjadi, Seyed Abdolkarim and Weijie Lu},
title = {Microstructural aspects of in-situ TiB reinforced Ti6Al4V composite processed by spark plasma sintering},
journal = {Transactions of Nonferrous Metals Society of China},
year = {2015},
volume = {25},
number = {5},
month = {May},
issn = {1003-6326},
pages = {1460--1467},
numpages = {7},
keywords = {Ti-6Al-4V metal matrix composite، E: powder processing، in-situ TiB، D: electron microscopy.},
}

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%0 Journal Article
%T Microstructural aspects of in-situ TiB reinforced Ti6Al4V composite processed by spark plasma sintering
%A GHESMATITABRIZI, Saeid
%A Babakhani, Abolfazl
%A Sajjadi, Seyed Abdolkarim
%A Weijie Lu
%J Transactions of Nonferrous Metals Society of China
%@ 1003-6326
%D 2015

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