Particle strengthening in fcc crystals with prolate and oblate precipitates

Bernhard Sonderegger; Ernst Kozeschnik

doi:10.1016/j.scriptamat.2011.10.003

Particle strengthening in fcc crystals with prolate and oblate precipitates

Bernhard Sonderegger^*, Ernst Kozeschnik

^*Corresponding author for this work

Institute of Materials Science, Joining and Forming (3030)

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

Abstract

The prediction of precipitation hardening is a key factor for optimizing strength or creep performance in advanced structural materials. An essential part of this task is the reliable assessment of precipitate distances based on arbitrary discrete size distributions. Up to now, models have only been available for spherical precipitates. The present work advances these approaches to all kinds of spheroids. The results are expressed in compact form as a correction factor to the spherical case, dependent on the precipitate shape.

Original language	English
Pages (from-to)	52-55
Number of pages	4
Journal	Scripta Materialia
Volume	66
Issue number	1
DOIs	https://doi.org/10.1016/j.scriptamat.2011.10.003
Publication status	Published - Jan 2012

Keywords

Creep
Modeling
Precipitation
Strength

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

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10.1016/j.scriptamat.2011.10.003

Cite this

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abstract = "The prediction of precipitation hardening is a key factor for optimizing strength or creep performance in advanced structural materials. An essential part of this task is the reliable assessment of precipitate distances based on arbitrary discrete size distributions. Up to now, models have only been available for spherical precipitates. The present work advances these approaches to all kinds of spheroids. The results are expressed in compact form as a correction factor to the spherical case, dependent on the precipitate shape.",

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AB - The prediction of precipitation hardening is a key factor for optimizing strength or creep performance in advanced structural materials. An essential part of this task is the reliable assessment of precipitate distances based on arbitrary discrete size distributions. Up to now, models have only been available for spherical precipitates. The present work advances these approaches to all kinds of spheroids. The results are expressed in compact form as a correction factor to the spherical case, dependent on the precipitate shape.

KW - Creep

KW - Modeling

KW - Precipitation

KW - Strength

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Particle strengthening in fcc crystals with prolate and oblate precipitates

Abstract

Keywords

ASJC Scopus subject areas

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