The investigation on lamellar microstructure transformation and stability in TiAl based intermatellics

Wei Zhang; Yue Ma; Shengkai Gong

doi:10.1142/S0217979210064794

The investigation on lamellar microstructure transformation and stability in TiAl based intermatellics

Wei Zhang^*
, Yue Ma
, Shengkai Gong

^*此作品的通讯作者

材料科学与工程学院

Beihang University

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

Microstructure stability in fully lamellar (FL) structure TiAl based intermatellics have been studied. The experiment results have shown that the smaller the lamellar spacing is, the more instable the lamellar structure is. The distinct lamellar spheroidization occurs at 1150°C holding for 24h. This phenomena may be caused by lamellar coarsening and decomposition. The linear residual β phase distributed in the Ti-47A1-2Cr-2Nb alloy may prevent lamellar spheroidization and improves the stability of lamellar structure significantly.

源语言	英语
页（从-至）	2279-2284
页数	6
期刊	International Journal of Modern Physics B
卷	24
期	15-16
DOI	https://doi.org/10.1142/S0217979210064794
出版状态	已出版 - 30 6月 2010

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abstract = "Microstructure stability in fully lamellar (FL) structure TiAl based intermatellics have been studied. The experiment results have shown that the smaller the lamellar spacing is, the more instable the lamellar structure is. The distinct lamellar spheroidization occurs at 1150°C holding for 24h. This phenomena may be caused by lamellar coarsening and decomposition. The linear residual β phase distributed in the Ti-47A1-2Cr-2Nb alloy may prevent lamellar spheroidization and improves the stability of lamellar structure significantly.",

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AU - Zhang, Wei

AU - Ma, Yue

AU - Gong, Shengkai

PY - 2010/6/30

Y1 - 2010/6/30

N2 - Microstructure stability in fully lamellar (FL) structure TiAl based intermatellics have been studied. The experiment results have shown that the smaller the lamellar spacing is, the more instable the lamellar structure is. The distinct lamellar spheroidization occurs at 1150°C holding for 24h. This phenomena may be caused by lamellar coarsening and decomposition. The linear residual β phase distributed in the Ti-47A1-2Cr-2Nb alloy may prevent lamellar spheroidization and improves the stability of lamellar structure significantly.

AB - Microstructure stability in fully lamellar (FL) structure TiAl based intermatellics have been studied. The experiment results have shown that the smaller the lamellar spacing is, the more instable the lamellar structure is. The distinct lamellar spheroidization occurs at 1150°C holding for 24h. This phenomena may be caused by lamellar coarsening and decomposition. The linear residual β phase distributed in the Ti-47A1-2Cr-2Nb alloy may prevent lamellar spheroidization and improves the stability of lamellar structure significantly.

KW - TiAl based alloy

KW - high temperature aging treatment

KW - lamellar spacing

UR - https://www.scopus.com/pages/publications/77956043175

U2 - 10.1142/S0217979210064794

DO - 10.1142/S0217979210064794

M3 - 文章

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VL - 24

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JO - International Journal of Modern Physics B

JF - International Journal of Modern Physics B

IS - 15-16

ER -

The investigation on lamellar microstructure transformation and stability in TiAl based intermatellics

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