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dc.contributor.authorLiu, K. X.en
dc.contributor.authorLi, X. J.en
dc.contributor.authorLuo, N.en
dc.contributor.authorLu, Guoxing.en
dc.contributor.authorChen, S. Y.en
dc.contributor.authorWu, Z. W.en
dc.identifier.citationChen, S. Y., Wu, Z. W., Liu, K. X., Li, X. J., Luo, N., & Lu, G. (2013). Atomic diffusion behavior in Cu-Al explosive welding process. Journal of Applied Physics, 113(4).en
dc.description.abstractA hybrid method is proposed to study atomic diffusion behavior in Cu-Al explosive welding process. The method combines molecular dynamics simulation and classical diffusion theory. Cu-Al explosive welding and scanning electron microscope experiments are done to verify the method. Using the method, we find that the atomic diffusion mostly takes place in the unloading stage of the welding process. The diffusion coefficients are collision velocity-dependent, with higher velocities generating larger coefficients. When there is no transverse velocity, the diffusion coefficient is directly proportional to the longitudinal velocity. With the longitudinal velocity fixed, the diffusion coefficient is proportional to the square of the transverse velocity. The thickness of the diffusion layer is calculated from the simulation result, and it is in good agreement with the experiment result.en
dc.relation.ispartofseriesJournal of applied physicsen
dc.rights© 2013 American Institute of Physics. This paper was published in Journal of Applied Physics and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Engineering::Mechanical engineeringen
dc.titleAtomic diffusion behavior in Cu-Al explosive welding processen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.description.versionPublished versionen
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