Coating-Substrate Interface Stress Management in Wear Protection of Light Alloy Components

S Ramalingam; L Zheng

doi:10.1520/STP16105S

SYMPOSIA PAPER Published: 01 January 1996

STP16105S

Coating-Substrate Interface Stress Management in Wear Protection of Light Alloy Components

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Hard coating light alloys for wear protection presents an interface stress problem due to mismatch in elastic constants across the film-substrate interface. The displacement formulation method is used in this work to calculate interface stresses as a function of contact parameters, coating/substrate properties, and coating thickness. Quantitative results obtained suggests that interface stresses can be managed with a judicious choice of coating materials, film thickness, contact parameters, and film deposition conditions.

Author Information

Ramalingam, S

University of Minnesota, Minneapolis, MN

Zheng, L

University of Minnesota, Minneapolis, MN

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Developed by Committee: G02

Pages: 106–123

DOI: 10.1520/STP16105S

ISBN-EB: 978-0-8031-5333-2

ISBN-13: 978-0-8031-2036-5

Coating-Substrate Interface Stress Management in Wear Protection of Light Alloy Components

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