Studies on laser sintering of mechanically alloyed Al50Ti40Si10 composite

This study concerns laser sintering of mechanically alloyed Al50Ti40Si10 powders with partially amorphous and nanocrystalline microstructure. Following laser irradiation with selected parameters, microstructure and mechanical properties on top surface and cross-sectional plane were evaluated by scan...

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Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2009-02, Vol.501 (1-2), p.242-247
Main Authors: SINGH, S. S, ROY, D, MITRA, R, SUBBA RAO, R. V, DAYAL, R. K, RAJ, Baldev, MANNA, I
Format: Article
Language:English
Subjects:
Applied sciences
Contact of materials. Friction. Wear
Exact sciences and technology
Hardness
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Powder metallurgy. Composite materials
Production techniques
Technology
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container_title Materials science & engineering. A, Structural materials : properties, microstructure and processing
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creator SINGH, S. S
ROY, D
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DAYAL, R. K
RAJ, Baldev
MANNA, I
description This study concerns laser sintering of mechanically alloyed Al50Ti40Si10 powders with partially amorphous and nanocrystalline microstructure. Following laser irradiation with selected parameters, microstructure and mechanical properties on top surface and cross-sectional plane were evaluated by scanning and transmission electron microscopy, X-ray diffraction, hardness measurement and fretting wear testing. Comparison between the thermal profile predicted by a simple analytical model and relevant microstructural parameters including useful depth of sintering suggest that laser assisted sintering could be a useful strategy to consolidate mechanically alloyed powder with novel microstructure into solid components.
doi_str_mv 10.1016/j.msea.2008.10.011
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1873-4936
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source Elsevier
subjects Applied sciences
Contact of materials. Friction. Wear
Exact sciences and technology
Hardness
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Powder metallurgy. Composite materials
Production techniques
Technology
title Studies on laser sintering of mechanically alloyed Al50Ti40Si10 composite
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