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Alternative tribological coatings to electrodeposited hard chromium: a critical review
Transactions of the IMF ( IF 1.2 ) Pub Date : 2020-07-03 , DOI: 10.1080/00202967.2020.1776962
S. Wang 1 , C. Ma 1 , F. C. Walsh 1, 2
Affiliation  

ABSTRACT The traditional importance of hard chromium electroplating in surface engineering is recognised and the key features of this well-established technology are summarised. Despite the high hardness, corrosion protection and wear resistance of chromium electrodeposits, a number of alternative coating compositions and application techniques have been developed for specific applications in tribology. Environmental challenges associated with hard chromium electroplating are highlighted and the need to develop and evaluate alternative coatings is stressed. Key examples of the alternative coatings are described, including their method of application, microstructure and tribological performance in controlled service environments. Research needs requiring rapid development are highlighted. A summary is given of the most competitive coatings and those having the potential to match the performance of hard chromium in selected applications are identified.

中文翻译:

电沉积硬铬的替代摩擦涂层:批判性评论

摘要 硬铬电镀在表面工程中的传统重要性得到了认可,并总结了这种成熟技术的关键特征。尽管铬电沉积物具有高硬度、防腐蚀和耐磨性,但已经为摩擦学中的特定应用开发了许多替代涂层组合物和应用技术。强调了与硬铬电镀相关的环境挑战,并强调了开发和评估替代涂层的必要性。描述了替代涂层的关键示例,包括它们在受控服务环境中的应用方法、微观结构和摩擦学性能。需要快速发展的研究需求得到强调。
更新日期:2020-07-03
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