Wenhua Hui , Yanhong Gu , Jiajun Liu , Fanjuan Meng , Zhijun Zhang , Yuliang Li , Zhanping Li , Lili Cao , Xiaohan Zhang
{"title":"Nano-crystalline Sn-Co-X Alloy Alternative to Decorative Chromium Plating","authors":"Wenhua Hui , Yanhong Gu , Jiajun Liu , Fanjuan Meng , Zhijun Zhang , Yuliang Li , Zhanping Li , Lili Cao , Xiaohan Zhang","doi":"10.1016/S0026-0576(13)70156-9","DOIUrl":null,"url":null,"abstract":"<div><p><span>Decorative chromium demand in the worldwide market is more than three times that of hard chromium. However, chromium plating processes have long been known to be hazardous. The corrosion resistance of a nano-crystalline Sn-Co-X alloy as an alternative for decorative chromium has been studied. The corrosion resistance of Sn-Co-X is better than trivalent chromium, hexavalent chromium, and it is much better than coarser- grained Sn-Co alloy, our research shows. The microstructures of Sn-Co-X alloy were analyzed by SEM, TEM, XPS and </span>AES. The mechanism of its excellent corrosion resistance is described herein.</p></div>","PeriodicalId":18552,"journal":{"name":"Metal Finishing","volume":"111 2","pages":"Pages 14-17"},"PeriodicalIF":0.0000,"publicationDate":"2013-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0026-0576(13)70156-9","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metal Finishing","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0026057613701569","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Decorative chromium demand in the worldwide market is more than three times that of hard chromium. However, chromium plating processes have long been known to be hazardous. The corrosion resistance of a nano-crystalline Sn-Co-X alloy as an alternative for decorative chromium has been studied. The corrosion resistance of Sn-Co-X is better than trivalent chromium, hexavalent chromium, and it is much better than coarser- grained Sn-Co alloy, our research shows. The microstructures of Sn-Co-X alloy were analyzed by SEM, TEM, XPS and AES. The mechanism of its excellent corrosion resistance is described herein.
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