A simple and inclusive method to determine the habit plane in transmission electron microscope based on accurate measurement of foil thickness

Qiu, Dong and Zhang, Mingxing (2014) A simple and inclusive method to determine the habit plane in transmission electron microscope based on accurate measurement of foil thickness. Materials Characterization, 94 1-6. doi:10.1016/j.matchar.2014.04.008

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Author Qiu, Dong
Zhang, Mingxing
Title A simple and inclusive method to determine the habit plane in transmission electron microscope based on accurate measurement of foil thickness
Journal name Materials Characterization   Check publisher's open access policy
ISSN 1044-5803
1873-4189
Publication date 2014-08-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.matchar.2014.04.008
Volume 94
Start page 1
End page 6
Total pages 6
Place of publication Philadelphia, PA United States
Publisher Elsevier
Language eng
Abstract A simple and inclusive method is proposed for accurate determination of the habit plane between bicrystals in transmission electron microscope. Whilst this method can be regarded as a variant of surface trace analysis, the major innovation lies in the improved accuracy and efficiency of foil thickness measurement, which involves a simple tilt of the thin foil about a permanent tilting axis of the specimen holder, rather than cumbersome tilt about the surface trace of the habit plane. Experimental study has been done to validate this proposed method in determining the habit plane between lamellar α2 plates and γ matrix in a Ti-Al-Nb alloy. Both high accuracy (± 1°) and high precision (± 1°) have been achieved by using the new method. The source of the experimental errors as well as the applicability of this method is discussed. Some tips to minimise the experimental errors are also suggested.
Keyword Crystallography
Habit plane
Trace analysis
Transmission electron microscopy
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2015 Collection
 
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Created: Tue, 27 May 2014, 11:55:58 EST by System User on behalf of School of Mechanical and Mining Engineering