What is it about?

An ASTM standard scratch test is utilized to study the scratch behavior of polymeric coatings on soft and hard substrates. Depending on the different combination of polymeric coatings and substrates utilized, various damage modes can take place, which include coating delamination, transverse cracking, and buckling failure. The stress and strain responses of scratch on polymeric coating are analyzed using three-dimensional finite element (FE) simulation.

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Why is it important?

The rising concern over the scratch performance of polymer coating has come about with its extensive usage in the electronic, optics, and automotive industries. The analysis in this work provides mechanistic insights for the observed polymer coating deformation mechanisms and failure modes and effective guidances for improving the scratch resistance fo polymer coatings.

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This page is a summary of: Mechanical Modeling of Scratch Behavior of Polymeric Coatings on Hard and Soft Substrates, Tribology Letters, September 2009, Springer Science + Business Media,
DOI: 10.1007/s11249-009-9505-8.
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