Tribological evaluation of soft metallic multilayer coatings for wear applications based on a multiple pass scratch test method
- Anand, Mayank
- Burmistroviene, Grazina
- Tudela, Ignacio
- Verbickas, Rolandas
- Lowman, Guy
- Zhang, Yi
DOIAbstract
The multiple pass scratch test method was employed for characterising the tribological performance of soft metallic multilayer coatings under the linear sliding wear situation. For this purpose, three different structures of tin (Sn) based coating (<15Hv0.03) were produced by electroplating process on relatively hard metallic substrates (117Hv0.1). The coating structures studied include a benchmark monolayer coating with soft Sn matrix, and two multilayer coatings with 3-layers and 5-layers of soft Sn matrix and hard SnNi intermetallic sublayer (s). The test method involves sliding a 100Cr6 steel ball against the Sn coated surface under loaded condition for a certain length and then repeating the process 50 times in a unidirectional cyclic ...
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