Fe-Cu two-phase nanocomposites: application of a modified rule of mixtures

L. He; L. F. Allard; E. Ma

doi:10.1016/S1359-6462(99)00300-0

Fe-Cu two-phase nanocomposites: application of a modified rule of mixtures

L. He, L. F. Allard, E. Ma

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19 Scopus citations

Abstract

An account is given on the microhardness behavior of two-phase nanocomposites. It is shown that compositing of nanophase Fe and Cu leads to microhardness considerably higher than, rather than below or close to, the conventional upper bound of a simple average of those of the individual nanocrystalline phases. A modified rule of mixtures taking into account of the effects of interphase boundaries is used to explain the behavior of such nanocomposites with a large population of intimately intermixed phase domains.

Original language	English
Pages (from-to)	517-523
Number of pages	7
Journal	Scripta Materialia
Volume	42
Issue number	5
DOIs	https://doi.org/10.1016/S1359-6462(99)00300-0
State	Published - Feb 14 2000
Externally published	Yes

Funding

We thank Prof. R. C. Cammarata and Prof. J. C. M. Li for useful discussions. This work has been supported by NSF, Grant No. CMS-9409750 and CMS-9877006, and the SURA-ORNL-University Graduate Summer Research Program (DoE contract DE-AC05-96OR22464).

Funders	Funder number
National Science Foundation	DE-AC05-96OR22464, CMS-9877006, CMS-9409750

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abstract = "An account is given on the microhardness behavior of two-phase nanocomposites. It is shown that compositing of nanophase Fe and Cu leads to microhardness considerably higher than, rather than below or close to, the conventional upper bound of a simple average of those of the individual nanocrystalline phases. A modified rule of mixtures taking into account of the effects of interphase boundaries is used to explain the behavior of such nanocomposites with a large population of intimately intermixed phase domains.",

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N2 - An account is given on the microhardness behavior of two-phase nanocomposites. It is shown that compositing of nanophase Fe and Cu leads to microhardness considerably higher than, rather than below or close to, the conventional upper bound of a simple average of those of the individual nanocrystalline phases. A modified rule of mixtures taking into account of the effects of interphase boundaries is used to explain the behavior of such nanocomposites with a large population of intimately intermixed phase domains.

AB - An account is given on the microhardness behavior of two-phase nanocomposites. It is shown that compositing of nanophase Fe and Cu leads to microhardness considerably higher than, rather than below or close to, the conventional upper bound of a simple average of those of the individual nanocrystalline phases. A modified rule of mixtures taking into account of the effects of interphase boundaries is used to explain the behavior of such nanocomposites with a large population of intimately intermixed phase domains.

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Fe-Cu two-phase nanocomposites: application of a modified rule of mixtures

Abstract

Funding

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