JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A 2013 Vol.14 No.12 P.898-905

Coating behavior and surface hardening of Pd₇₇Cu₆Si₁₇ thin film metallic glass on AZ31 magnesium alloy*

Author(s): X.H. Du^1,2, Y.C. Chang², H.J. Pei², B.Y. Chen², M.C. Kuo³, J.C. Huang²
Affiliation(s): 1. School of Materials Sciences and Engineering, Shenyang Aerospace University, Shenyang 110034, China; more
Corresponding email(s): 602@imr.ac.cn
Key Words: Thin film metallic glass (TFMG), Magnesium alloy, Sputtering process, Nanoindentation, Coating thickness

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X.H. Du, Y.C. Chang, H.J. Pei, B.Y. Chen, M.C. Kuo, J.C. Huang. Coating behavior and surface hardening of Pd₇₇Cu₆Si₁₇ thin film metallic glass on AZ31 magnesium alloy[J]. Journal of Zhejiang University Science A, 2013, 14(12): 898-905.

@article{title="Coating behavior and surface hardening of Pd₇₇Cu₆Si₁₇ thin film metallic glass on AZ31 magnesium alloy",
author="X.H. Du, Y.C. Chang, H.J. Pei, B.Y. Chen, M.C. Kuo, J.C. Huang",
journal="Journal of Zhejiang University Science A",
volume="14",
number="12",
pages="898-905",
year="2013",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1300246"
}

%0 Journal Article
%T Coating behavior and surface hardening of Pd₇₇Cu₆Si₁₇ thin film metallic glass on AZ31 magnesium alloy
%A X.H. Du
%A Y.C. Chang
%A H.J. Pei
%A B.Y. Chen
%A M.C. Kuo
%A J.C. Huang
%J Journal of Zhejiang University SCIENCE A
%V 14
%N 12
%P 898-905
%@ 1673-565X
%D 2013
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1300246

TY - JOUR
T1 - Coating behavior and surface hardening of Pd₇₇Cu₆Si₁₇ thin film metallic glass on AZ31 magnesium alloy
A1 - X.H. Du
A1 - Y.C. Chang
A1 - H.J. Pei
A1 - B.Y. Chen
A1 - M.C. Kuo
A1 - J.C. Huang
J0 - Journal of Zhejiang University Science A
VL - 14
IS - 12
SP - 898
EP - 905
%@ 1673-565X
Y1 - 2013
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1300246

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: Pd₇₇Cu₆Si₁₇ (PCS) thin film metallic glasses (TFMGs) with high glass forming ability and hardness were selected as a hard coating for improving the surface hardness of AZ31 magnesium alloy. Both microindentation and nanoindentation tests were conducted on specimens with various PCS film thicknesses from 30 to 2000 nm. The apparent hardness and the relative indentation depth (β) were integrated using a quantitative model. The interaction parameters involved and relative hardness values were extracted from iterative calculations. According to the results, surface hardness can be enhanced greatly by PCS TFMGs in the shallow region, followed by gradual decrease with increasing β ratio. In addition, specimens with thinner coatings (e.g., 200 nm) showed greater substrate-film interaction and those with thick coatings (e.g., 2000 nm) became prone to film cracking. The optimum TFMG coating thickness in this study was estimated to be around 200 nm.

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