Heat treatments effects on nickeI-based superalloy Inconel 713C
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Defect and Diffusion Forum
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The purpose of this work is to study the effect of heat treatments on the microstructure of
the nickel-based superalloy Inconel 713C. Three different conditions were studied and the results
compared: (1) as cast; (2) solution treatment (1,179°C/2h) and (3) stabilizing treatment (1,179°C/2h
plus 926°C/16h). Inconel 713C is normally used in the as-cast condition, an improvement in the
980°C stress-rupture life is often obtained by a solution heat treatment. However, the material in
this condition tested under high stress at 730°C shows a marked decreased in rupture life and
ductility [1]. The mechanical resistance in creep increases in Inconel 713C by precipitation
hardening phase, such γ’ (Ni3Al) formed during the heat treatments [2]. The characterization
techniques used was: chemical analysis, hardness test, X-ray diffraction, optical microscope and
scanning electron microscopy (SEM), EDS analyzes and thermocalculation. The heat treatments
modified the dendritic structure, reducing the acicularity. The SEM and EDS analysis illustrated the
γ, γ’ and carbides. The matrix phase (γ), has in its constitution the precipitation of the γ’ phase, in a
cubic form, and in some regions, veins of carbides were modified with the heat treatments.
Como referenciar
GALIZONI, BRENO B.; COUTO, ANTONIO A.; REIS, DANIELI A.P. Heat treatments effects on nickeI-based superalloy Inconel 713C. Defect and Diffusion Forum, v. 390, p. 32-40, 2019. DOI: 10.4028/www.scientific.net/DDF.390.32. Disponível em: http://repositorio.ipen.br/handle/123456789/31127. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.