Enhanced adhesion and anticorrosion of silk fibroin coated biodegradable Mg-Zn-Ca alloy via a two-step plasma activation

Hui Fang; Chenxi Wang; Shicheng Zhou; Zhen Zheng; Tian Lu; Ge Li; Yanhong Tian; Tadatomo Suga

doi:10.1016/j.corsci.2020.108466

Enhanced adhesion and anticorrosion of silk fibroin coated biodegradable Mg-Zn-Ca alloy via a two-step plasma activation

Hui Fang
, Chenxi Wang^*
, Shicheng Zhou
, Zhen Zheng
, Tian Lu
, Ge Li
, Yanhong Tian
, Tadatomo Suga

^*Corresponding author for this work

School of Materials Science and Engineering

Harbin Institute of Technology
Meisei University
The University of Tokyo

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

Based on a two-step plasma surface activation process (O₂ followed by N₂ plasma), silk fibroin coating was prepared on Mg-Zn-Ca alloy without conversion layer to retard the corrosion. This method achieved homogenized surfaces with better hydrophilicity and increased functional groups, significantly improving the adhesion force. The corrosion resistance of coated magnesium alloy was significantly enhanced compared to that of bare samples. Nanoscratch combined with corrosion behavior indicated that the remarkably improvement of anticorrosion ability attributed to the protective layer and the increased adhesion force. Our findings provided more possibilities for corrosion protection of degradable metals.

Original language	English
Article number	108466
Journal	Corrosion Science
Volume	168
DOIs	https://doi.org/10.1016/j.corsci.2020.108466
State	Published - 15 May 2020

Keywords

Adhesion force
Corrosion resistance
Mg-Zn-Ca alloy
Plasma activation
Silk fibroin

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10.1016/j.corsci.2020.108466

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title = "Enhanced adhesion and anticorrosion of silk fibroin coated biodegradable Mg-Zn-Ca alloy via a two-step plasma activation",

abstract = "Based on a two-step plasma surface activation process (O2 followed by N2 plasma), silk fibroin coating was prepared on Mg-Zn-Ca alloy without conversion layer to retard the corrosion. This method achieved homogenized surfaces with better hydrophilicity and increased functional groups, significantly improving the adhesion force. The corrosion resistance of coated magnesium alloy was significantly enhanced compared to that of bare samples. Nanoscratch combined with corrosion behavior indicated that the remarkably improvement of anticorrosion ability attributed to the protective layer and the increased adhesion force. Our findings provided more possibilities for corrosion protection of degradable metals.",

keywords = "Adhesion force, Corrosion resistance, Mg-Zn-Ca alloy, Plasma activation, Silk fibroin",

author = "Hui Fang and Chenxi Wang and Shicheng Zhou and Zhen Zheng and Tian Lu and Ge Li and Yanhong Tian and Tadatomo Suga",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier Ltd",

year = "2020",

month = may,

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doi = "10.1016/j.corsci.2020.108466",

language = "英语",

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journal = "Corrosion Science",

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TY - JOUR

T1 - Enhanced adhesion and anticorrosion of silk fibroin coated biodegradable Mg-Zn-Ca alloy via a two-step plasma activation

AU - Fang, Hui

AU - Wang, Chenxi

AU - Zhou, Shicheng

AU - Zheng, Zhen

AU - Lu, Tian

AU - Li, Ge

AU - Tian, Yanhong

AU - Suga, Tadatomo

PY - 2020/5/15

Y1 - 2020/5/15

N2 - Based on a two-step plasma surface activation process (O2 followed by N2 plasma), silk fibroin coating was prepared on Mg-Zn-Ca alloy without conversion layer to retard the corrosion. This method achieved homogenized surfaces with better hydrophilicity and increased functional groups, significantly improving the adhesion force. The corrosion resistance of coated magnesium alloy was significantly enhanced compared to that of bare samples. Nanoscratch combined with corrosion behavior indicated that the remarkably improvement of anticorrosion ability attributed to the protective layer and the increased adhesion force. Our findings provided more possibilities for corrosion protection of degradable metals.

AB - Based on a two-step plasma surface activation process (O2 followed by N2 plasma), silk fibroin coating was prepared on Mg-Zn-Ca alloy without conversion layer to retard the corrosion. This method achieved homogenized surfaces with better hydrophilicity and increased functional groups, significantly improving the adhesion force. The corrosion resistance of coated magnesium alloy was significantly enhanced compared to that of bare samples. Nanoscratch combined with corrosion behavior indicated that the remarkably improvement of anticorrosion ability attributed to the protective layer and the increased adhesion force. Our findings provided more possibilities for corrosion protection of degradable metals.

KW - Adhesion force

KW - Corrosion resistance

KW - Mg-Zn-Ca alloy

KW - Plasma activation

KW - Silk fibroin

UR - https://www.scopus.com/pages/publications/85078604606

U2 - 10.1016/j.corsci.2020.108466

DO - 10.1016/j.corsci.2020.108466

M3 - 文章

AN - SCOPUS:85078604606

SN - 0010-938X

VL - 168

JO - Corrosion Science

JF - Corrosion Science

M1 - 108466

ER -

Enhanced adhesion and anticorrosion of silk fibroin coated biodegradable Mg-Zn-Ca alloy via a two-step plasma activation

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Keywords

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