Probing out-of-plane anisotropic plasticity using spherical indentation: A numerical approach

Akio YONEZU; Masanori TANAKA; Ryota KUSANO; Xi CHEN

doi:10.1016/j.commatsci.2013.05.020

Probing out-of-plane anisotropic plasticity using spherical indentation: A numerical approach

Akio YONEZU, Masanori TANAKA, Ryota KUSANO, Xi CHEN

Research output: Journal Publications › Journal Article (refereed) › peer-review

10 Citations (Scopus)

Abstract

An evaluation method for out-of-plane anisotropic plastic properties is proposed using single spherical indentation. For a plastically anisotropic material, whose properties (i.e. yield stresses) are different among orthogonal directions (e.g. in-plane vs. out-of-plane direction), the proposed method is shown effective for distinguishing the anisotropic properties. Upon spherical impression, the indentation curves are dependent on plastic anisotropy (i.e. the yield stress ratio in different directions). By bridging the indentation response with impression geometry through extensive finite element analyses, dimensionless functions are established in order to deduce anisotropic plastic properties. The effectiveness of the method was investigated by numerical experiments. The validity and future issue were discussed.

Original language	English
Pages (from-to)	336-344
Number of pages	9
Journal	Computational Materials Science
Volume	79
DOIs	https://doi.org/10.1016/j.commatsci.2013.05.020
Publication status	Published - Nov 2013
Externally published	Yes

Funding

The work of A.Y. is supported in part of Grant-in-Aid for Young Scientist of (B) (No. 22760077) from the Japan Society for the Promotion of Science and Research Grant for Science and Technology of SUZUKI Foundation. The work of X.C. is supported by the National Natural Science Foundation of China (11172231), DARPA (W91CRB-11-C-0112), and the National Science Foundation (CMMI-0643726).

Keywords

Dimensionless function
Out-of-plane plastic anisotropy
Spherical indentation test

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10.1016/j.commatsci.2013.05.020

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title = "Probing out-of-plane anisotropic plasticity using spherical indentation: A numerical approach",

abstract = "An evaluation method for out-of-plane anisotropic plastic properties is proposed using single spherical indentation. For a plastically anisotropic material, whose properties (i.e. yield stresses) are different among orthogonal directions (e.g. in-plane vs. out-of-plane direction), the proposed method is shown effective for distinguishing the anisotropic properties. Upon spherical impression, the indentation curves are dependent on plastic anisotropy (i.e. the yield stress ratio in different directions). By bridging the indentation response with impression geometry through extensive finite element analyses, dimensionless functions are established in order to deduce anisotropic plastic properties. The effectiveness of the method was investigated by numerical experiments. The validity and future issue were discussed.",

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author = "Akio YONEZU and Masanori TANAKA and Ryota KUSANO and Xi CHEN",

year = "2013",

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doi = "10.1016/j.commatsci.2013.05.020",

language = "English",

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journal = "Computational Materials Science",

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T1 - Probing out-of-plane anisotropic plasticity using spherical indentation: A numerical approach

AU - YONEZU, Akio

AU - TANAKA, Masanori

AU - KUSANO, Ryota

AU - CHEN, Xi

PY - 2013/11

Y1 - 2013/11

N2 - An evaluation method for out-of-plane anisotropic plastic properties is proposed using single spherical indentation. For a plastically anisotropic material, whose properties (i.e. yield stresses) are different among orthogonal directions (e.g. in-plane vs. out-of-plane direction), the proposed method is shown effective for distinguishing the anisotropic properties. Upon spherical impression, the indentation curves are dependent on plastic anisotropy (i.e. the yield stress ratio in different directions). By bridging the indentation response with impression geometry through extensive finite element analyses, dimensionless functions are established in order to deduce anisotropic plastic properties. The effectiveness of the method was investigated by numerical experiments. The validity and future issue were discussed.

AB - An evaluation method for out-of-plane anisotropic plastic properties is proposed using single spherical indentation. For a plastically anisotropic material, whose properties (i.e. yield stresses) are different among orthogonal directions (e.g. in-plane vs. out-of-plane direction), the proposed method is shown effective for distinguishing the anisotropic properties. Upon spherical impression, the indentation curves are dependent on plastic anisotropy (i.e. the yield stress ratio in different directions). By bridging the indentation response with impression geometry through extensive finite element analyses, dimensionless functions are established in order to deduce anisotropic plastic properties. The effectiveness of the method was investigated by numerical experiments. The validity and future issue were discussed.

KW - Dimensionless function

KW - Out-of-plane plastic anisotropy

KW - Spherical indentation test

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U2 - 10.1016/j.commatsci.2013.05.020

DO - 10.1016/j.commatsci.2013.05.020

M3 - Journal Article (refereed)

AN - SCOPUS:84880359070

SN - 0927-0256

VL - 79

SP - 336

EP - 344

JO - Computational Materials Science

JF - Computational Materials Science

ER -

Probing out-of-plane anisotropic plasticity using spherical indentation: A numerical approach

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Keywords

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