A thermokinetic description of nanoscale grain growth: Analysis of initial grain boundary excess amount

M. M. Gong; F. Liu; K. Zhang

doi:10.1016/j.scriptamat.2010.07.030

A thermokinetic description of nanoscale grain growth: Analysis of initial grain boundary excess amount

M. M. Gong, F. Liu, K. Zhang

材料学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

19 引用（Scopus）

摘要

A thermokinetic description was performed for nanoscale grain growth by analyzing the effect of grain boundary (GB) segregation on the initial GB excess amount, Γ_b. Compared with the model assuming a linear relation between Γ_b and grain size (i.e. Γ_b < Γ_b0, the saturated value) [Chen et al., Acta Mater. 57 (2009) 1466], the current description with Γ_b = Γ_b0, from Kirchheim's GB energy relation, is more applicable for strongly segregating alloys with Γ_b generally approaching saturation at the beginning of grain growth.

源语言	英语
页（从-至）	989-992
页数	4
期刊	Scripta Materialia
卷	63
期	10
DOI	https://doi.org/10.1016/j.scriptamat.2010.07.030
出版状态	已出版 - 11月 2010

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abstract = "A thermokinetic description was performed for nanoscale grain growth by analyzing the effect of grain boundary (GB) segregation on the initial GB excess amount, Γb. Compared with the model assuming a linear relation between Γb and grain size (i.e. Γb < Γb0, the saturated value) [Chen et al., Acta Mater. 57 (2009) 1466], the current description with Γb = Γb0, from Kirchheim's GB energy relation, is more applicable for strongly segregating alloys with Γb generally approaching saturation at the beginning of grain growth.",

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AU - Liu, F.

AU - Zhang, K.

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N2 - A thermokinetic description was performed for nanoscale grain growth by analyzing the effect of grain boundary (GB) segregation on the initial GB excess amount, Γb. Compared with the model assuming a linear relation between Γb and grain size (i.e. Γb < Γb0, the saturated value) [Chen et al., Acta Mater. 57 (2009) 1466], the current description with Γb = Γb0, from Kirchheim's GB energy relation, is more applicable for strongly segregating alloys with Γb generally approaching saturation at the beginning of grain growth.

AB - A thermokinetic description was performed for nanoscale grain growth by analyzing the effect of grain boundary (GB) segregation on the initial GB excess amount, Γb. Compared with the model assuming a linear relation between Γb and grain size (i.e. Γb < Γb0, the saturated value) [Chen et al., Acta Mater. 57 (2009) 1466], the current description with Γb = Γb0, from Kirchheim's GB energy relation, is more applicable for strongly segregating alloys with Γb generally approaching saturation at the beginning of grain growth.

KW - GB energy

KW - Grain growth

KW - Nanocrystalline

KW - Segregation

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SN - 1359-6462

VL - 63

SP - 989

EP - 992

JO - Scripta Materialia

JF - Scripta Materialia

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A thermokinetic description of nanoscale grain growth: Analysis of initial grain boundary excess amount

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