Plastic yield inception of an indented coated flat and comparison with a flattened coated sphere
نویسندگان
چکیده
The yield inception of a deformable hard coated half space indented by a rigid sphere is studied. The effect of coating thickness, sphere radius and material properties of both the coating and substrate on the critical contact parameters at yield inception is investigated. Dimensionless empirical expressions for the critical load, critical contact area and critical interference are derived as functions of a dimensionless hard coating parameter. Three different locations of the yield inception of the coated system are observed. A comparison is made with the case of a flattened coated sphere. & 2012 Elsevier Ltd. All rights reserved.
منابع مشابه
A comparison of stick and slip contact conditions for a coated sphere compressed by a rigid flat
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Article history: Received 1 May 2013 Accepted in revised form 30 December 2013 Available online 7 January 2014
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