Abstract
Explosive bonding is a dynamic joining method used to rapidly create metallurgical bonds between two metals. These interfaces can exhibit strengths greater than the parent materials and contain little porosity. Bond quality, however, is highly dependent on processing parameters. Explosive bonds fueled by ammonium nitrate have been extensively characterized, but processing windows for plastic explosives have not. Here, bond strength in 304L stainless steel plate explosively bonded using rubberized/plastic explosives are assessed using shear by tension loading of single-lap-joint specimens. The effects of collision velocity and collision angle on bond quality and strength are investigated and used to define a processing window. Failure modes varied across both the process space studied and within individual bonds. Microstructural analysis across fractured interfaces is combined with fractography to describe the different failure modes and variable strength across bond interfaces.
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Acknowledgment
Sandia National Laboratories is a multimission laboratory managed and operated by the National Technology & Engineering Solutions of Sandia, LLC, a wholly owned subsidiary of Honeywell International Inc., for the US Department of Energy’s National Nuclear Security Administration under contract DE-NA0003525.
This chapter describes objective technical results and analysis. Any subjective views or opinions that might be expressed in the chapter do not necessarily represent the views of the US Department of Energy or the United States Government. SAND2020-2227 A.
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Ivanoff, T.A., Underwood, O.D., Madison, J.D., Deibler, L.A., Rodelas, J.M. (2021). Assessing Bond Strength in 304L Stainless Steel Plate Welded Using Plastic Explosives. In: Xia, S., Beese, A., Berke, R.B. (eds) Fracture, Fatigue, Failure and Damage Evolution , Volume 3. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-030-60959-7_10
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DOI: https://doi.org/10.1007/978-3-030-60959-7_10
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