Edge-to-edge matching and its applications - Part I. Application to the simple HCP/BCC system

Zhang, M. X. and Kelly, P. M. (2005) Edge-to-edge matching and its applications - Part I. Application to the simple HCP/BCC system. Acta Materialia, 53 4: 1073-1084. doi:10.1016/j.actamat.2004.11.007


Author Zhang, M. X.
Kelly, P. M.
Title Edge-to-edge matching and its applications - Part I. Application to the simple HCP/BCC system
Journal name Acta Materialia   Check publisher's open access policy
ISSN 1359-6454
Publication date 2005
Sub-type Article (original research)
DOI 10.1016/j.actamat.2004.11.007
Volume 53
Issue 4
Start page 1073
End page 1084
Total pages 12
Editor Gunter Gottstein
Subhash Mahajan
Place of publication Oxford
Publisher Pergamon-Elsevier Science Ltd
Collection year 2005
Language eng
Subject C1
291302 Physical Metallurgy
670899 Other non-ferrous metals (e.g. copper, zinc)
Abstract The edge-to-edge matching crystallographic model has been used to predict all the orientation relationships (OR) between crystals that have simple hexagonal close packed (HCP) and body-centered cubic (BCC) structures. Using the critical values for the interatomic spacing misfit along the matching directions and the cl-value mismatch between matching planes, the model predicted all the four common ORs, namely the Burgers OR, the Potter OR, the Pitsch-Schrader OR and the Rong Dunlop OR, together with the corresponding habit planes. Taking the c(H)/a(H) and a(H)/a(B) ratios as variables, where H and B denote the HCP and BCC structures respectively, the model also predicted the relationship between these variables and the four ORs. These predictions are perfectly consistent with the published experimental results. As was the case in the FCC/BCC system, the edge-to-edge matching model has been shown to be a powerful tool for predicting the crystallographic features of diffusion-controlled phase transformations. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Keyword Orientation Relationship
Habit Plane
Interface Structure
Phase Transformation
Edge-to-edge Matching
Ideal Epitaxial Configurations
Interphase Boundary Structure
Fcc-bcc Boundaries
Percent Cr Alloy
Atomic Site Correspondence
Structural Ledge Theories
Lattice Plane Analysis
Percent Nb Alloy
Invariant Line
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 06:25:42 EST