Insight into microstructure-sensitive elastic strain concentrations from integrated computational modeling and digital image correlation

Marat I. Latypov; Jean Charles Stinville; Jason R. Mayeur; Jonathan M. Hestroffer; Tresa M. Pollock; Irene J. Beyerlein

doi:10.1016/j.scriptamat.2020.10.001

Insight into microstructure-sensitive elastic strain concentrations from integrated computational modeling and digital image correlation

Marat I. Latypov, Jean Charles Stinville, Jason R. Mayeur, Jonathan M. Hestroffer, Tresa M. Pollock, Irene J. Beyerlein

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

27 Scopus citations

Abstract

The microstructural origins of highly localized elastic strain concentrations in polycrystalline microstructures under monotonic loading are studied using grain-scale, in situ digital image correlation and crystal plasticity finite element method. It is shown that the locations of exceptionally high elastic strain concentrations in the microstructure depend on particular crystallographic and morphological orientations of grains and less so on crystalline details of their local neighborhood. Based on these results, we discuss how topological and crystallographic features of annealing twin boundaries can increase the likelihood of slip band initiation throughout the microstructure of polycrystalline Ni-base superalloys.

Original language	English (US)
Pages (from-to)	78-82
Number of pages	5
Journal	Scripta Materialia
Volume	192
DOIs	https://doi.org/10.1016/j.scriptamat.2020.10.001
State	Published - Feb 2021
Externally published	Yes

Keywords

Elasticity
Micromechanics
Microstructure
Superalloys

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2020.10.001

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title = "Insight into microstructure-sensitive elastic strain concentrations from integrated computational modeling and digital image correlation",

abstract = "The microstructural origins of highly localized elastic strain concentrations in polycrystalline microstructures under monotonic loading are studied using grain-scale, in situ digital image correlation and crystal plasticity finite element method. It is shown that the locations of exceptionally high elastic strain concentrations in the microstructure depend on particular crystallographic and morphological orientations of grains and less so on crystalline details of their local neighborhood. Based on these results, we discuss how topological and crystallographic features of annealing twin boundaries can increase the likelihood of slip band initiation throughout the microstructure of polycrystalline Ni-base superalloys.",

keywords = "Elasticity, Micromechanics, Microstructure, Superalloys",

author = "Latypov, {Marat I.} and Stinville, {Jean Charles} and Mayeur, {Jason R.} and Hestroffer, {Jonathan M.} and Pollock, {Tresa M.} and Beyerlein, {Irene J.}",

note = "Publisher Copyright: {\textcopyright} 2020 Acta Materialia Inc.",

year = "2021",

month = feb,

doi = "10.1016/j.scriptamat.2020.10.001",

language = "English (US)",

volume = "192",

pages = "78--82",

journal = "Scripta Materialia",

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TY - JOUR

T1 - Insight into microstructure-sensitive elastic strain concentrations from integrated computational modeling and digital image correlation

AU - Latypov, Marat I.

AU - Stinville, Jean Charles

AU - Mayeur, Jason R.

AU - Hestroffer, Jonathan M.

AU - Pollock, Tresa M.

AU - Beyerlein, Irene J.

PY - 2021/2

Y1 - 2021/2

N2 - The microstructural origins of highly localized elastic strain concentrations in polycrystalline microstructures under monotonic loading are studied using grain-scale, in situ digital image correlation and crystal plasticity finite element method. It is shown that the locations of exceptionally high elastic strain concentrations in the microstructure depend on particular crystallographic and morphological orientations of grains and less so on crystalline details of their local neighborhood. Based on these results, we discuss how topological and crystallographic features of annealing twin boundaries can increase the likelihood of slip band initiation throughout the microstructure of polycrystalline Ni-base superalloys.

AB - The microstructural origins of highly localized elastic strain concentrations in polycrystalline microstructures under monotonic loading are studied using grain-scale, in situ digital image correlation and crystal plasticity finite element method. It is shown that the locations of exceptionally high elastic strain concentrations in the microstructure depend on particular crystallographic and morphological orientations of grains and less so on crystalline details of their local neighborhood. Based on these results, we discuss how topological and crystallographic features of annealing twin boundaries can increase the likelihood of slip band initiation throughout the microstructure of polycrystalline Ni-base superalloys.

KW - Elasticity

KW - Micromechanics

KW - Microstructure

KW - Superalloys

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DO - 10.1016/j.scriptamat.2020.10.001

M3 - Article

AN - SCOPUS:85092483907

SN - 1359-6462

VL - 192

SP - 78

EP - 82

JO - Scripta Materialia

JF - Scripta Materialia

ER -

Insight into microstructure-sensitive elastic strain concentrations from integrated computational modeling and digital image correlation

Abstract

Keywords

ASJC Scopus subject areas

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