Unraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles

Abstract A critical challenge in the predictive capability of materials deformation behavior under extreme environments is the availability of computational methods to model the microstructural evolution at the mesoscale. The capability of the recently-developed quasi-coarse-grained dynamics (QCGD)...

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Autores principales:	Sumit Suresh, Seok-Woo Lee, Mark Aindow, Harold D. Brody, Victor K. Champagne, Avinash M. Dongare
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/20606531fe2e49e68114c968624c919b
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spelling	oai:doaj.org-article:20606531fe2e49e68114c968624c919b2021-12-02T11:40:24ZUnraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles10.1038/s41598-018-28437-32045-2322https://doaj.org/article/20606531fe2e49e68114c968624c919b2018-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-28437-3https://doaj.org/toc/2045-2322Abstract A critical challenge in the predictive capability of materials deformation behavior under extreme environments is the availability of computational methods to model the microstructural evolution at the mesoscale. The capability of the recently-developed quasi-coarse-grained dynamics (QCGD) method to model mesoscale behavior is demonstrated for the phenomenon of supersonic impact of 20 µm sized Al particles on to an Al substrate at various impact velocities and over time and length scales relevant to cold spray deposition. The QCGD simulations are able to model the kinetics related to heat generation and dissipation, and the pressure evolution and propagation, during single particle impact over the time and length scales that are important experimentally. These simulations are able to unravel the roles of particle and substrate deformation behavior that lead to an outward/upward flow of both the particle and the substrate, which is a likely precursor for the experimentally observed jetting and bonding of the particles during cold spray impact.Sumit SureshSeok-Woo LeeMark AindowHarold D. BrodyVictor K. ChampagneAvinash M. DongareNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sumit Suresh Seok-Woo Lee Mark Aindow Harold D. Brody Victor K. Champagne Avinash M. Dongare Unraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles
description	Abstract A critical challenge in the predictive capability of materials deformation behavior under extreme environments is the availability of computational methods to model the microstructural evolution at the mesoscale. The capability of the recently-developed quasi-coarse-grained dynamics (QCGD) method to model mesoscale behavior is demonstrated for the phenomenon of supersonic impact of 20 µm sized Al particles on to an Al substrate at various impact velocities and over time and length scales relevant to cold spray deposition. The QCGD simulations are able to model the kinetics related to heat generation and dissipation, and the pressure evolution and propagation, during single particle impact over the time and length scales that are important experimentally. These simulations are able to unravel the roles of particle and substrate deformation behavior that lead to an outward/upward flow of both the particle and the substrate, which is a likely precursor for the experimentally observed jetting and bonding of the particles during cold spray impact.
format	article
author	Sumit Suresh Seok-Woo Lee Mark Aindow Harold D. Brody Victor K. Champagne Avinash M. Dongare
author_facet	Sumit Suresh Seok-Woo Lee Mark Aindow Harold D. Brody Victor K. Champagne Avinash M. Dongare
author_sort	Sumit Suresh
title	Unraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles
title_short	Unraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles
title_full	Unraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles
title_fullStr	Unraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles
title_full_unstemmed	Unraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles
title_sort	unraveling the mesoscale evolution of microstructure during supersonic impact of aluminum powder particles
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/20606531fe2e49e68114c968624c919b
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Unraveling the Mesoscale Evolution of Microstructure during Supersonic Impact of Aluminum Powder Particles

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