CLC number: O343.1; O346.1; O348.3
On-line Access: 2016-01-06
Received: 2015-06-13
Revision Accepted: 2015-11-09
Crosschecked: 2015-12-16
Cited: 0
Clicked: 4034
Xi-shu Wang, Xing-wu Guo, Yuzo Nakamura, Hui-hui Yang, Pan Pan. Evaluation of the critical stress of anodized coating-AZ91D substrate using SEM in-situ technology[J]. Journal of Zhejiang University Science A, 2016, 17(1): 65-75.
@article{title="Evaluation of the critical stress of anodized coating-AZ91D substrate using SEM in-situ technology",
author="Xi-shu Wang, Xing-wu Guo, Yuzo Nakamura, Hui-hui Yang, Pan Pan",
journal="Journal of Zhejiang University Science A",
volume="17",
number="1",
pages="65-75",
year="2016",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1500178"
}
%0 Journal Article
%T Evaluation of the critical stress of anodized coating-AZ91D substrate using SEM in-situ technology
%A Xi-shu Wang
%A Xing-wu Guo
%A Yuzo Nakamura
%A Hui-hui Yang
%A Pan Pan
%J Journal of Zhejiang University SCIENCE A
%V 17
%N 1
%P 65-75
%@ 1673-565X
%D 2016
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1500178
TY - JOUR
T1 - Evaluation of the critical stress of anodized coating-AZ91D substrate using SEM in-situ technology
A1 - Xi-shu Wang
A1 - Xing-wu Guo
A1 - Yuzo Nakamura
A1 - Hui-hui Yang
A1 - Pan Pan
J0 - Journal of Zhejiang University Science A
VL - 17
IS - 1
SP - 65
EP - 75
%@ 1673-565X
Y1 - 2016
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1500178
Abstract: Experimental investigations of the micro cracking behavior of a coating-substrate structure were carried out in-situ with a scanning electron microscope (SEM). An anodized coating layer was deposited on an AZ91D substrate by the galvanize pulse method. Results indicated that the failure mechanism of the coating-substrate structure was due to a mismatch of micro deformation between the coating and substrate. The micro deformations induced by different failure models were cracking, spalling, or delamination. The failure models were validated using theoretical, experimental, and digital image correlation methods. The critical stress of failure can be evaluated by measuring the biaxial stress.
A nice MS reporting the in-situ investigation on cracking of coating/substrate interface for PEO formed coating on Mg alloy.
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