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Modelling of the mechanical and tribological properties of coatings and surface treatments

Lookup NU author(s): Professor Steve Bull

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Abstract

Over the past few years a wide range of coatings and surface treatments have been developed to enhance component performance. Increasingly coating architectures are becoming more complex and multilayer, superlattice and graded coating systems are becoming widely available. This offers so many potential coating variants that it is almost impossible to envisage trying all the possibilities to optimise performance. The need for predictive performance models has never been more acute but model development has generally lagged behind the introduction of new coatings. For tribological coatings the mechanics of contact is particularly important if performance is to be understood. This paper briefly reviews developments in numerical simulation and extends recent modelling developments in an energy-based predictive model for the hardness and Young's Modulus of a coated system. The model predictions can be improved by considering the fracture behaviour of the coating.


Publication metadata

Author(s): Bull SJ

Editor(s): Kumar A., Meng W.J., Cheng Y., Zabinski J.S., Doll G.L., Veprek S.

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Materials Research Society Symposium

Year of Conference: 2002

Pages: 489-500

ISSN: 0272-9172

Publisher: Materials Research Society


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