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Title: Induction brazing for rapid localized repair of Inconel 718
Authors: Aprilia, A.
Tan, Jin Lee
Yang, Yongjin
Tan, Sung Chyn
Zhou, Wei
Keywords: Engineering::Mechanical engineering
Issue Date: 2021
Source: Aprilia, A., Tan, J. L., Yang, Y., Tan, S. C. & Zhou, W. (2021). Induction brazing for rapid localized repair of Inconel 718. Metals, 11(7), 1096-.
Journal: Metals
Abstract: Vacuum furnace has been used for brazing repair of aerospace components, but it is a slow process which typically takes a few hours. The prolonged heating and cooling cycles could cause some adverse effects on the components such as excessive grain growth. A rapid brazing technique using induction coil was studied to evaluate its suitability for localized repair. Induction brazing of Inconel 718 was carried out using AMS 4777 brazing paste at different temperatures (950◦C, 1050◦C and 1150◦C) for various durations (2 min, 10 min and 20 min). Microstructure and microhardness were evaluated. The experimental results show that brazing at 1050◦C leads to desirable microstructures in a short period of merely 2 min. The study demonstrates the potential application of induction brazing for rapid localized aerospace repair.
ISSN: 2075-4701
DOI: 10.3390/met11071096
Rights: © 2021 The Author(s). Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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