Lookup NU author(s): Professor Steve Bull
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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.
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
Publisher: Materials Research Society