Experimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding

This work presents a systematic study of microstructure and mechanical property of TiNi Alloy/Q235 steel explosive-welded interface. The structure evolution as well as the thermodynamic state during the welding process was simulated using Smoothed Particle Hydrodynamic (SPH) numerical method. The in...

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Autores principales:	Ming Yang, Daiguo Chen, Hen Zhou, Junfeng Xu, Honghao Ma, Zhaowu Shen, Bingyuan Zhang, Jie Tian
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Explosive welding TiNi Alloy Interface evolution Microstructure Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/59a000deb28d4eb7866badabf8c5341d
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spelling	oai:doaj.org-article:59a000deb28d4eb7866badabf8c5341d2021-11-26T04:31:04ZExperimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding2238-785410.1016/j.jmrt.2021.11.044https://doaj.org/article/59a000deb28d4eb7866badabf8c5341d2021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421013235https://doaj.org/toc/2238-7854This work presents a systematic study of microstructure and mechanical property of TiNi Alloy/Q235 steel explosive-welded interface. The structure evolution as well as the thermodynamic state during the welding process was simulated using Smoothed Particle Hydrodynamic (SPH) numerical method. The interface is featured by regular wave structure with a period of ∼400 μm and an amplitude of ∼120 μm, resulting from the periodic interaction process of jets and colliding plates. Furthermore, it was found that the waves do not form in the initial collision zone, but undergo an evolutionary process of straight-irregular small wave-steady wave transformation. Intermetallic compounds like Fe2Ti and Ni3Ti were found in melting zones, which are the source of the microscopic cracks. Even so, the interface exhibits good bonding strength of 291 MPa that is higher than the Q235 steel of 180 MPa. The nanoindentation results show the hardness values decrease at first and then increase to the initial value with increasing distance from the bonding interface. The melting zone exhibits an ultrahigh hardness of 11.06 GPa, which confirms the formation of brittle intermetallic in the melting zone.Ming YangDaiguo ChenHen ZhouJunfeng XuHonghao MaZhaowu ShenBingyuan ZhangJie TianElsevierarticleExplosive weldingTiNi AlloyInterface evolutionMicrostructureMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 5803-5813 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Explosive welding TiNi Alloy Interface evolution Microstructure Mining engineering. Metallurgy TN1-997
spellingShingle	Explosive welding TiNi Alloy Interface evolution Microstructure Mining engineering. Metallurgy TN1-997 Ming Yang Daiguo Chen Hen Zhou Junfeng Xu Honghao Ma Zhaowu Shen Bingyuan Zhang Jie Tian Experimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding
description	This work presents a systematic study of microstructure and mechanical property of TiNi Alloy/Q235 steel explosive-welded interface. The structure evolution as well as the thermodynamic state during the welding process was simulated using Smoothed Particle Hydrodynamic (SPH) numerical method. The interface is featured by regular wave structure with a period of ∼400 μm and an amplitude of ∼120 μm, resulting from the periodic interaction process of jets and colliding plates. Furthermore, it was found that the waves do not form in the initial collision zone, but undergo an evolutionary process of straight-irregular small wave-steady wave transformation. Intermetallic compounds like Fe2Ti and Ni3Ti were found in melting zones, which are the source of the microscopic cracks. Even so, the interface exhibits good bonding strength of 291 MPa that is higher than the Q235 steel of 180 MPa. The nanoindentation results show the hardness values decrease at first and then increase to the initial value with increasing distance from the bonding interface. The melting zone exhibits an ultrahigh hardness of 11.06 GPa, which confirms the formation of brittle intermetallic in the melting zone.
format	article
author	Ming Yang Daiguo Chen Hen Zhou Junfeng Xu Honghao Ma Zhaowu Shen Bingyuan Zhang Jie Tian
author_facet	Ming Yang Daiguo Chen Hen Zhou Junfeng Xu Honghao Ma Zhaowu Shen Bingyuan Zhang Jie Tian
author_sort	Ming Yang
title	Experimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding
title_short	Experimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding
title_full	Experimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding
title_fullStr	Experimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding
title_full_unstemmed	Experimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding
title_sort	experimental and numerical investigation of microstructure and evolution of tini alloy/q235 steel interfaces prepared by explosive welding
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/59a000deb28d4eb7866badabf8c5341d
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_version_	1718409842722340864

Experimental and numerical investigation of microstructure and evolution of TiNi Alloy/Q235 steel interfaces prepared by explosive welding

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