Use este identificador para citar ou linkar para este item: http://repositorio.ufc.br/handle/riufc/66095
Tipo: Artigo de Periódico
Título: Effect of different thermomechanical processes on the microstructure, texture, and mechanical properties of API 5L X70 steel
Autor(es): Masoumi, Mohammad
Echeverri, Edwan Anderson Ariza
Silva, Cleiton Carvalho
Béreš, Miloslav
Abreu, Hamilton Ferreira Gomes de
Palavras-chave: API 5L X70 steel;Crystallographic texture;Thermomechanical processes
Data do documento: 2018
Instituição/Editor/Publicador: Journal of Materials Engineering and Performance
Citação: MASOUMI, M. et al. Effect of different thermomechanical processes on the microstructure, texture, and mechanical properties of API 5L X70 steel. Journal of Materials Engineering and Performance, [s.l.], v. 27, n. 4, p. 1694–1705, abr. 2018.
Abstract: A commercial API 5L X70 steel plate was subjected to different thermomechanical processes to propose a novel thermomechanical rolling path to achieve improved mechanical properties. Scanning electron microscopy, electron backscatter diffraction, and x-ray texture analysis were employed for microstructural characterization. The results showed that strain-free recrystallized {001} ferrite grains that developed at higher rolling temperature could not meet the American Petroleum Institute (API) requirements. Also, refined and work-hardened grains that have formed in the intercritical region with high stored energy do not provide suitable tensile properties. However, fine martensite–austenite constituents dispersed in ferrite matrix with grains having predominantly {111} and {110} orientations parallel to the normal direction that developed under isothermal rolling at 850 C provided an outstanding combination of tensile strength and ductility.
URI: http://www.repositorio.ufc.br/handle/riufc/66095
ISSN: 1544-1024
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