Prediction of yield stress for polysynthetically twinned TiAl crystals

Jun Yang; Gengkai Hu; Yonggang Zhang

doi:10.1016/S1359-6462(01)01030-2

Prediction of yield stress for polysynthetically twinned TiAl crystals

Jun Yang, Gengkai Hu^*, Yonggang Zhang

^*Corresponding author for this work

School of Aerospace Engineering

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

3 Citations (Scopus)

Abstract

An analytical approach based on continuum micromechanics and dislocation theory to predict the yield stress of polysynthetically twinned TiAl crystals was proposed. The detailed domain microstructures of the γ lamellae were taken into account. The results showed that the constant strain assumption in the different variants of the γ phase gives better correlation with the experiment.

Original language	English
Pages (from-to)	293-299
Number of pages	7
Journal	Scripta Materialia
Volume	45
Issue number	3
DOIs	https://doi.org/10.1016/S1359-6462(01)01030-2
Publication status	Published - 13 Aug 2001

Keywords

Lamellar structure
Micromechanics
Modelling
TiAl
Yield stress

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10.1016/S1359-6462(01)01030-2

Cite this

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title = "Prediction of yield stress for polysynthetically twinned TiAl crystals",

abstract = "An analytical approach based on continuum micromechanics and dislocation theory to predict the yield stress of polysynthetically twinned TiAl crystals was proposed. The detailed domain microstructures of the γ lamellae were taken into account. The results showed that the constant strain assumption in the different variants of the γ phase gives better correlation with the experiment.",

keywords = "Lamellar structure, Micromechanics, Modelling, TiAl, Yield stress",

author = "Jun Yang and Gengkai Hu and Yonggang Zhang",

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AU - Yang, Jun

AU - Hu, Gengkai

AU - Zhang, Yonggang

PY - 2001/8/13

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N2 - An analytical approach based on continuum micromechanics and dislocation theory to predict the yield stress of polysynthetically twinned TiAl crystals was proposed. The detailed domain microstructures of the γ lamellae were taken into account. The results showed that the constant strain assumption in the different variants of the γ phase gives better correlation with the experiment.

AB - An analytical approach based on continuum micromechanics and dislocation theory to predict the yield stress of polysynthetically twinned TiAl crystals was proposed. The detailed domain microstructures of the γ lamellae were taken into account. The results showed that the constant strain assumption in the different variants of the γ phase gives better correlation with the experiment.

KW - Lamellar structure

KW - Micromechanics

KW - Modelling

KW - TiAl

KW - Yield stress

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U2 - 10.1016/S1359-6462(01)01030-2

DO - 10.1016/S1359-6462(01)01030-2

M3 - Article

AN - SCOPUS:0035855274

SN - 1359-6462

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SP - 293

EP - 299

JO - Scripta Materialia

JF - Scripta Materialia

IS - 3

ER -

Prediction of yield stress for polysynthetically twinned TiAl crystals

Abstract

Keywords

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