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| Weatherability of Automotive Decorative Black Chromium Plating |
| Received:July 18, 2017 Revised:November 15, 2017 |
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| DOI：10.7643/ issn.1672-9242.2017.11.017 |
| KeyWord:black chromium plating corrosion resistance natural exposure xenon lamp aging weatherability |
| Author | Institution |
| LIU Jin-long |
Zhejiang Geely Automobile Research Institute Co., Ltd. Ningbo , China |
| HUANG Xiao-jun |
Zhejiang Geely Automobile Research Institute Co., Ltd. Ningbo , China |
| ZHANG Guo-liang |
Zhejiang Geely Automobile Research Institute Co., Ltd. Ningbo , China |
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| Abstract: |
| Objective To research the weather resistance of black chromium plating and assess the risk of its application in the auto industry. Methods Based on comparative analysis from the following three aspects: resistance to corrosion, xenon lamp aging and natural exposure, the weatherability of automotive decorative black chromium plating was analyzed and discussed by referring to performance of traditional bright chrome plating. Results Black chromium plating had poor resistance of natural exposure and corrosion. The poor self-passivation was the main factor which influenced the coating weatherability. Conclusion Black chromium plating is not suitable for automotive exterior parts. |
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