Analysis of Explosive Bonding Parameters

Rosset, William S. de

doi:10.1080/10426910600611136

Cited by 34 publications

(10 citation statements)

References 3 publications

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“…The calculating formula of the collision angle β can be established by using Equation (4). T m is the melting temperature of the material, K is the heat conduction coefficient, C p is the specific heat at constant pressure, t f is the thickness of the flyer plate, N is the dimensional constant taking a value of 0.11 for several metals according to Rosset [18].…”

Section: Weldability Window Calculationsmentioning

confidence: 99%

Explosive Welding of Copper to High Nitrogen Austenitic Stainless Steel

Liu

Li²,

et al. 2019

Metals

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In this work, T2 red copper and high nitrogen austenitic stainless steel (HNASS) were explosively welded for the first time. The welding window was theoretically developed, and the experiment was designed by considering the effect of explosive loading on welding quality. To evaluate the welding quality, the microstructure and mechanical properties of the composite material were systematically investigated. The results showed that the welding quality was in good agreement with the results predicted by the welding window. The micromorphology of the welding interface changed with a varied welding parameter, and no intermetallic compounds were found at the welding interface by EDS analysis. The microhardness of the two raw materials both increased near the welding interface, and the enhancement increased with the explosive loading. The failure pattern of the welding interface in the tension-shear experiments was dominated by the strength failure of the red copper.

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Section: Weldability Window Calculationsmentioning

confidence: 99%

Explosive Welding of Copper to High Nitrogen Austenitic Stainless Steel

Liu

Li²,

et al. 2019

Metals

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“…( ) [44], with β expressed in radians. [46] that the emulsion explosives can meet that requirement when their density is reduced.…”

Section: Introductionmentioning

confidence: 99%

Effect of explosive characteristics on the explosive welding of stainless steel to carbon steel in cylindrical configuration

Mendes¹,

Ribeiro²,

Loureiro³

2013

Materials & Design

148

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The aim of this research is to study the influence of explosive characteristics on the weld interfaces of stainless steel AISI 304L to low alloy steel 51CrV4 in a cylindrical configuration. The effect of ammonium nitrate-based emulsion, sensitized with different quantities and types of sensitizing agents (hollow glass microballoons or expanded polystyrene spheres) and Ammonium Nitrate Fuel Oil (ANFO) explosives on the interface characteristics is analyzed. Research showed that the type of explosive and the type and proportion of explosive sensitizers affect the main welding parameters, particularly collision point velocity. The morphology of the wavy weld interfaces, chiefly the amplitude and length of the waves, is affected both by the impact velocity and the type and particle size of the explosive sensitizers, and increases with particle size. All the weld interfaces, except welds done with ANFO, displayed localized melted and solidified regions, whose chemical composition resulted from the contribution of both flyer and base metal.

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“…As the earlier researches, the density and hardness of the metals also affect the interfacial morphology during explosive welding. This phenomenon is mainly caused by the different contributions of the jets from the flyer and base plates [34].…”

Section: Interfacial Morphologies Of the Clad Platesmentioning

confidence: 99%

Interfacial Morphology and Bonding Mechanism of Explosive Weld Joints

Zhang

Wang

Zhang

et al. 2021

Chin. J. Mech. Eng.

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Interfacial structure greatly affects the mechanical properties of laminated plates. However, the critical material properties that impact the interfacial morphology, appearance, and associated bonding mechanism of explosive welded plates are still unknown. In this paper, the same base plate (AZ31B alloy) and different flyer metals (aluminum alloy, copper, and stainless steel) were used to investigate interfacial morphology and structure. SEM and TEM results showed that typical sine wave, wave-like, and half-wave-like interfaces were found at the bonding interfaces of Al/Mg, Cu/Mg and SS/Mg clad plates, respectively. The different interfacial morphologies were mainly due to the differences in hardness and yield strength between the flyer and base metals. The results of the microstructural distribution at the bonding interface indicated metallurgical bonding, instead of the commonly believed solid-state bonding, in the explosive welded clad plate. In addition, the shear strength of the bonding interface of the explosive welded Al/Mg, Cu/Mg and SS/Mg clad plates can reach up to 201.2 MPa, 147.8 MPa, and 128.4 MPa, respectively. The proposed research provides the design basis for laminated composite metal plates fabrication by explosive welding technology.

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Analysis of Explosive Bonding Parameters

Cited by 34 publications

References 3 publications

Explosive Welding of Copper to High Nitrogen Austenitic Stainless Steel

Explosive Welding of Copper to High Nitrogen Austenitic Stainless Steel

Effect of explosive characteristics on the explosive welding of stainless steel to carbon steel in cylindrical configuration

Interfacial Morphology and Bonding Mechanism of Explosive Weld Joints

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