IN SITU RECRYSTALLIZATION DURING ELEVATED TEMPERATURE DEFORMATION IN Fe_3Al BASED ALLOY

Acta Metall Sin

1995, Vol. 31

Issue (4): 165-169 DOI:

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IN SITU RECRYSTALLIZATION DURING ELEVATED TEMPERATURE DEFORMATION IN Fe_3Al BASED ALLOY

CHEN Mingwei; SHAN Aidang; LIN Dongliang(Shanghai Jaiotong University Shanghai 200030); LIANG Wei(Taiyuan University of Technology; Taiyuan 030024)

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CHEN Mingwei; SHAN Aidang; LIN Dongliang(Shanghai Jaiotong University Shanghai 200030); LIANG Wei(Taiyuan University of Technology; Taiyuan 030024). IN SITU RECRYSTALLIZATION DURING ELEVATED TEMPERATURE DEFORMATION IN Fe_3Al BASED ALLOY. Acta Metall Sin, 1995, 31(4): 165-169.

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Abstract 篒n situ recrystallization (ISR) during elevated temperature deformation was found in a Fe3AI based alloy by TEM observation and metallographic examination. Good elevated temperature ductility of the Fe3Al alloy is closely related to ISR. Through olimb or cross slip, the dislocations created in deformation process change into a dislocation array, which attracts lattice dislocations and increases the misorientation between crystals at the both sides of itself during further deformation, and gradually evolves into a subboundary and even a high-angle boundary.

Key words: intermetallics Fe_3Al in situ recrystallization

Received: 18 April 1995

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1995/V31/I4/165

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