article·2015-02-10

Nanoindentation of chemical-vapor deposited Al2O3 hard coatings at elevated temperatures

M. Rebelo de Figueiredo, M.D. Abad, Adrian Harris, Christoph Czettl, Christian Mitterer, Peter Hosemann

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Abstract

Abstract Nanoindentation measurements at elevated temperatures were performed on α-Al 2 O 3 and κ-Al 2 O 3 hard coatings at temperatures up to 600 and 700 °C, respectively. A reduction of the hardness and reduced modulus was observed for both coating systems although more accentuated for the κ-Al 2 O 3 coating. In addition, a comprehensive overview of guidelines on how to perform nanoindentation measurements on hard coatings at elevated temperatures is provided.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Metal and Thin Film Mechanics · Diamond and Carbon-based Materials Research · Semiconductor materials and devices

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