Application of edge-to-edge matching model to grain refinement in Mg-Al based alloys

Zhang, M. X., Kelly, P. M., Qian, Ma and Taylor, J. A. (2005) Application of edge-to-edge matching model to grain refinement in Mg-Al based alloys. 材料科学技术学报 [Journal of Materials Science and Technology], 21 Suppl. 1: 77-80.


Author Zhang, M. X.
Kelly, P. M.
Qian, Ma
Taylor, J. A.
Title Application of edge-to-edge matching model to grain refinement in Mg-Al based alloys
Journal name 材料科学技术学报 [Journal of Materials Science and Technology]   Check publisher's open access policy
ISSN 1005-0302
Publication date 2005
Sub-type Article (original research)
Volume 21
Issue Suppl. 1
Start page 77
End page 80
Total pages 4
Editor Zhongguang Wang
Place of publication Shenyang, China
Publisher Zhongguo Kexueyuan, Jinshu Yanjiusuo [Chinese Materials Research Society; International Centre for Materials Physics]
Collection year 2005
Language eng
Subject C1
670899 Other non-ferrous metals (e.g. copper, zinc)
091207 Metals and Alloy Materials
091299 Materials Engineering not elsewhere classified
Formatted abstract An edge-to-edge matching model has been used to analyze the crystallographic features between Mg matrix and three commonly accepted heterogeneous nucleants for Mg grains, Al4C3, Al2CO and Al8(Mn, Fe)5. The model has predicted that Al2CO is the most effective nucleant of the three compounds assessed for Mg grains and that Al4C3 can be a nucleant for Mg grains, but it is not as effective as Al2CO. This prediction is consistent with most recent experimental results. The Al8(Mn, Fe)5 intermetallic compound is predicted to have the lowest efficiency as a grain refiner. The model may be used to provide theoretical guidance for selection of new and potent grain refiners for Mg-Al based alloys.
Keyword Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Crystallography
Grain Refinement
Magnesium Alloys
Orientation Relationship
Edge-to-edge Matching
Widmanstatten Cementite
Magnesium Alloys
Crystallography
Orientation
Boundaries
Morphology
Austenite
Systems
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 05:58:48 EST