Review of the weldability window in explosive welding processes

Explosive welding is a solid-state joining technique that employs explosive energy to propel the flyer plate into oblique collision with the base plate, forming a metallurgical bond at the interface. The process parameters, such as the loading ratio, the nature of the explosive, the standoff distanc...

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Main Authors: Bir Bahadur Sherpa, S. Saravanan
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Journal of Alloys and Metallurgical Systems
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Online Access:http://www.sciencedirect.com/science/article/pii/S2949917824000993
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author Bir Bahadur Sherpa
S. Saravanan
author_facet Bir Bahadur Sherpa
S. Saravanan
author_sort Bir Bahadur Sherpa
collection DOAJ
description Explosive welding is a solid-state joining technique that employs explosive energy to propel the flyer plate into oblique collision with the base plate, forming a metallurgical bond at the interface. The process parameters, such as the loading ratio, the nature of the explosive, the standoff distance, and the surface finish, determine whether the resulting interface is straight, wavy, or contains reaction compounds. Due to the intricate nature of the process, researchers have developed a weldability window, a theoretical model for selecting parameters that yield optimal bonding. The weldability window is bounded by lower, upper, left, right, and jetting boundaries, all of which are influenced by the properties of the participant metals. Operating within the boundaries of the window results in a wavy interface, which is considered ideal. The incorporation of an interlayer in explosive welding shifts the boundaries, expanding the weldability window by up to 40 % and enhancing process versatility. Similarly, researchers successfully reported the development of a tri-axial weldability window that considers three parameters. This review explores the evolution of the weldability window, its theoretical underpinnings, parameter optimization, and opportunities for future research in the field.
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spelling doaj-art-4d44a6ebf06645938e5d4ed4ff212c722025-08-20T02:52:24ZengElsevierJournal of Alloys and Metallurgical Systems2949-91782025-03-01910015010.1016/j.jalmes.2024.100150Review of the weldability window in explosive welding processesBir Bahadur Sherpa0S. Saravanan1Institute of Industrial Nanomaterials (IINa), Kumamoto University, Kumamoto 860-8555, Japan; Corresponding author.Institute of Industrial Nanomaterials (IINa), Kumamoto University, Kumamoto 860-8555, Japan; Department of Mechanical Engineering, Annamalai University, Annamalainagar 608002, India; Corresponding author at: Institute of Industrial Nanomaterials (IINa), Kumamoto University, Kumamoto 860-8555, Japan.Explosive welding is a solid-state joining technique that employs explosive energy to propel the flyer plate into oblique collision with the base plate, forming a metallurgical bond at the interface. The process parameters, such as the loading ratio, the nature of the explosive, the standoff distance, and the surface finish, determine whether the resulting interface is straight, wavy, or contains reaction compounds. Due to the intricate nature of the process, researchers have developed a weldability window, a theoretical model for selecting parameters that yield optimal bonding. The weldability window is bounded by lower, upper, left, right, and jetting boundaries, all of which are influenced by the properties of the participant metals. Operating within the boundaries of the window results in a wavy interface, which is considered ideal. The incorporation of an interlayer in explosive welding shifts the boundaries, expanding the weldability window by up to 40 % and enhancing process versatility. Similarly, researchers successfully reported the development of a tri-axial weldability window that considers three parameters. This review explores the evolution of the weldability window, its theoretical underpinnings, parameter optimization, and opportunities for future research in the field.http://www.sciencedirect.com/science/article/pii/S2949917824000993Explosive weldingWeldability windowBoundariesTriaxial weldability window
spellingShingle Bir Bahadur Sherpa
S. Saravanan
Review of the weldability window in explosive welding processes
Journal of Alloys and Metallurgical Systems
Explosive welding
Weldability window
Boundaries
Triaxial weldability window
title Review of the weldability window in explosive welding processes
title_full Review of the weldability window in explosive welding processes
title_fullStr Review of the weldability window in explosive welding processes
title_full_unstemmed Review of the weldability window in explosive welding processes
title_short Review of the weldability window in explosive welding processes
title_sort review of the weldability window in explosive welding processes
topic Explosive welding
Weldability window
Boundaries
Triaxial weldability window
url http://www.sciencedirect.com/science/article/pii/S2949917824000993
work_keys_str_mv AT birbahadursherpa reviewoftheweldabilitywindowinexplosiveweldingprocesses
AT ssaravanan reviewoftheweldabilitywindowinexplosiveweldingprocesses