Crystallography of the simple HCP/FCC system

Zhang, M.X., Chen, S.-Q., Ren, H.-P. and Kelly, P. M. (2008) Crystallography of the simple HCP/FCC system. Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, 39A 5: 1077-1086. doi:10.1007/s11661-008-9497-2


Author Zhang, M.X.
Chen, S.-Q.
Ren, H.-P.
Kelly, P. M.
Title Crystallography of the simple HCP/FCC system
Journal name Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science   Check publisher's open access policy
ISSN 1073-5623
Publication date 2008-05-01
Year available 2008
Sub-type Article (original research)
DOI 10.1007/s11661-008-9497-2
Open Access Status Not yet assessed
Volume 39A
Issue 5
Start page 1077
End page 1086
Total pages 10
Editor Laughlin, D.E.
Place of publication United States
Publisher Springer New York LLC
Language eng
Subject 291403 Alloy Materials
C1
861203 Metal Castings
091207 Metals and Alloy Materials
Abstract The edge-to-edge matching model has been used to predict the orientation relationships (ORs) between crystals that have simple hexagonal-close-packed (HCP) and face-centered-cubic (FCC) structures. Using the critical values for the interatomic spacing misfit along the matching directions and the d- value mismatch between matching planes, a total of seven ORs have been predicted for the most common HCP/FCC metallic systems. However, the ORs that appear more frequently in a particular system depend on the type of matching directions and the interatomic spacing misfit along these directions together with the d- value mismatch between the matching planes. The latter two are related to the lattice parameters of both phases. For example, in the Al/AgAl system, three ORs have been predicted. One is [ 1120 ] // [110] , (0002) 0.027 deg from [111} , which is consistent with the previously reported OR-1. The second is [ 1120] // [110] [101] 0.8° from 111] . Due to the larger mismatch values, this OR is not expected to occur frequently and has not been found experimentally to date. Another predicted OR is [1010] [112] ( 1210) 0.25° from (220) . This OR is very close to the reported OR-1. Details of zigzag atom row matching and the principles and process of refining an OR using the Δ conditions are also discussed.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: 2009 Higher Education Research Data Collection
 
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Created: Wed, 01 Apr 2009, 21:53:39 EST by Sally Beard on behalf of Materials