Effect of Mn on formation of lamellar structure in a γ-TiAl alloy

Jin, Yonggang, Wang, J.N., Wang, Yong and Yang, Jie (2004) Effect of Mn on formation of lamellar structure in a γ-TiAl alloy. Materials letters, 58 29: 3756-3760. doi:10.1016/j.matlet.2004.08.009

Author Jin, Yonggang
Wang, J.N.
Wang, Yong
Yang, Jie
Title Effect of Mn on formation of lamellar structure in a γ-TiAl alloy
Journal name Materials letters   Check publisher's open access policy
ISSN 0167-577X
Publication date 2004-11
Year available 2004
Sub-type Article (original research)
DOI 10.1016/j.matlet.2004.08.009
Volume 58
Issue 29
Start page 3756
End page 3760
Total pages 5
Place of publication Amsterdam, The Netherlands
Publisher North-Holland Publishing Co.
Language eng
Subject 0912 Materials Engineering
Abstract A fine cast microstructure can be developed in two TiAl alloys with or without Mn. It can be optimized to be a fine-grained fully lamellar structure (FFLS) by heat treatment. But the presence of Mn was found to affect the development of the lamellar structure. Under furnace cooling, a FFLS can be developed in the alloy without Mn, but a duplex structure in the alloy with Mn. A FFLS can be developed in the alloy with Mn only if the cooling rate is increased. This effect may be a result from the promoted formation of cellular γ grains in the presence of Mn.
Keyword Titanium aluminides
Fine-grained fully lamellar structure
Mn alloying
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
Australian Institute for Bioengineering and Nanotechnology Publications
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Created: Thu, 29 Jan 2009, 12:48:28 EST by Ms Lynette Adams on behalf of Aust Institute for Bioengineering & Nanotechnology