Hardness and stability of metal-nitride nanoscale multilayers

Scott A Barnett; Anita Madan

doi:10.1016/j.scriptamat.2003.11.042

Hardness and stability of metal-nitride nanoscale multilayers

Scott A Barnett^*, Anita Madan

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

74 Scopus citations

Abstract

Non-isostructural nanolayers consisting of bcc metals and rocksalt-structure nitrides are discussed. The nanolayer structures are stable during high temperature annealing, owing to the metal/nitride immiscibility and low-energy coherent interfaces. Nanolayer hardness values are substantially higher than rule-of-mixtures values, and are essentially unchanged by annealing. Experimental evidence and models of nanolayer deformation mechanisms are discussed.

Original language	English (US)
Pages (from-to)	739-744
Number of pages	6
Journal	Scripta Materialia
Volume	50
Issue number	6
DOIs	https://doi.org/10.1016/j.scriptamat.2003.11.042
State	Published - Mar 1 2004

Keywords

Hardness
Multilayers
Nanometer
Nitrides
Stability
Superlattices

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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title = "Hardness and stability of metal-nitride nanoscale multilayers",

abstract = "Non-isostructural nanolayers consisting of bcc metals and rocksalt-structure nitrides are discussed. The nanolayer structures are stable during high temperature annealing, owing to the metal/nitride immiscibility and low-energy coherent interfaces. Nanolayer hardness values are substantially higher than rule-of-mixtures values, and are essentially unchanged by annealing. Experimental evidence and models of nanolayer deformation mechanisms are discussed.",

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AU - Madan, Anita

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N2 - Non-isostructural nanolayers consisting of bcc metals and rocksalt-structure nitrides are discussed. The nanolayer structures are stable during high temperature annealing, owing to the metal/nitride immiscibility and low-energy coherent interfaces. Nanolayer hardness values are substantially higher than rule-of-mixtures values, and are essentially unchanged by annealing. Experimental evidence and models of nanolayer deformation mechanisms are discussed.

AB - Non-isostructural nanolayers consisting of bcc metals and rocksalt-structure nitrides are discussed. The nanolayer structures are stable during high temperature annealing, owing to the metal/nitride immiscibility and low-energy coherent interfaces. Nanolayer hardness values are substantially higher than rule-of-mixtures values, and are essentially unchanged by annealing. Experimental evidence and models of nanolayer deformation mechanisms are discussed.

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KW - Nanometer

KW - Nitrides

KW - Stability

KW - Superlattices

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