Effect of nitrogen on the mean lamellar thickness of fully lamellar TiAl alloys

The effect of nitrogen addition in the 0-1.0 at.% range on the mean lamellar thickness of a fully lamellar TiAl alloy (Ti-48.5Al-1.5Mo) has been studied. Mean lamellar thickness first decreases with 0.3 at.% N addition but then increases with further increase in N level in the alloy. The increase in lamellar spacing for N levels between 0.3 and 1.0 at.% is attributed to the formation of Ti2AlN nitrides and the consequent change in Al level in the matrix. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2002-03
Language
ENG
Keywords

MICROSTRUCTURES; CARBON

Citation

SCRIPTA MATERIALIA, v.46, no.6, pp.441 - 446

ISSN
1359-6462
URI
http://hdl.handle.net/10203/1784
Appears in Collection
MS-Journal Papers(저널논문)
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