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Recent Advances in EBSD Characterization of Metals

EBSD Study of Delta-Processed Ni-Based Superalloy

Department of Engineering, Universidad del Valle de México, Coyoacán 04910, Mexico
Department of Materials Science and Metallurgical Engineering, Universitat Politècnica de Catalunya EEBE, 08019 Barcelona, Spain
Arcelor Mittal Global R&D Gent, OCAS NV | Technologie park 935, BE-9052 Zwijnaarde, Belgium
Institute of Research in Metallurgy and Materials, Universidad Michoacana de San Nicolás de Hidalgo Morelia 58230, Mexico
Department of Engineering, Universidad del Valle de México, Santiago de Querétaro 76230, Mexico
Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, San Nicolás de los Garza 66451, Mexico
Author to whom correspondence should be addressed.
Metals 2020, 10(11), 1466;
Received: 7 September 2020 / Revised: 27 October 2020 / Accepted: 29 October 2020 / Published: 3 November 2020
(This article belongs to the Special Issue Advances in Microstructural Characterization of Metals by EBSD)
Nickel-based superalloys are extensively used in the aerospace and power generation industries due to their excellent mechanical properties at elevated temperatures and good corrosion resistance. Typically, these alloys require accomplishing critical standards during their manufacturing process. In this study, an Inconel 718 (IN718) Ni-based superalloy was subjected to a delta-processing treatment (DP718) and subsequently deformed at high temperature. Samples were compressed below and above the δ-solvus temperature at two different strain rates of 0.001 s−1 and 0.01 s−1. A detailed microstructural characterization was carried out by the electron backscattered diffraction technique (EBSD). Kikuchi patterns and the orientation relationship of the δ-phase were identified. For samples deformed above the δ-solvus at 0.01 s−1, an increase in the percentage of low angle grain boundaries (LAGB) within deformed grains and a decrease in high angle grain boundaries (HAGB) were observed. Comprehensive observation of the microstructural evolution of IN718 subjected to DP718 using orientation map images was also performed. View Full-Text
Keywords: Inconel 718; delta-processing; EBSD analysis; CSL boundaries Inconel 718; delta-processing; EBSD analysis; CSL boundaries
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MDPI and ACS Style

Kañetas, P.J.P.; Calvo, J.; Rodriguez-Calvillo, P.; Cabrera Marrero, J.M.; Zamora Antuñano, M.A.; Guerrero-Mata, M.P. EBSD Study of Delta-Processed Ni-Based Superalloy. Metals 2020, 10, 1466.

AMA Style

Kañetas PJP, Calvo J, Rodriguez-Calvillo P, Cabrera Marrero JM, Zamora Antuñano MA, Guerrero-Mata MP. EBSD Study of Delta-Processed Ni-Based Superalloy. Metals. 2020; 10(11):1466.

Chicago/Turabian Style

Kañetas, Pedro Jacinto Páramo, Jessica Calvo, Pablo Rodriguez-Calvillo, José María Cabrera Marrero, Marco Antonio Zamora Antuñano, and Martha Patricia Guerrero-Mata. 2020. "EBSD Study of Delta-Processed Ni-Based Superalloy" Metals 10, no. 11: 1466.

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