Research on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire

In order to explore the feasibility of arc additive processing of metal powder-cored welding wire,30CrMnSiA high-strength steel powder-cored wire was adopted,combined with high-speed camera and electric signal synchronous acquisition system,to analyze the droplet transfer characteristics and arc sta...

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Autores principales:	Huihui ZHAO, Xu GAO, Guanying WANG, Ying LIU, Zhimin LIANG
Formato:	article
Lenguaje:	ZH
Publicado:	Hebei University of Science and Technology 2021
Materias:	metallic materials; metal powder-cored welding wire; high strength steel; wire and arc additive manufacturing; droplet transfer; mechanical property Technology T
Acceso en línea:	https://doaj.org/article/8c690cf6ac09449fa14be10cc4a7846f
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spelling	oai:doaj.org-article:8c690cf6ac09449fa14be10cc4a7846f2021-11-23T07:09:07ZResearch on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire1008-154210.7535/hbkd.2021yx05009https://doaj.org/article/8c690cf6ac09449fa14be10cc4a7846f2021-10-01T00:00:00Zhttp://xuebao.hebust.edu.cn/hbkjdx/ch/reader/create_pdf.aspx?file_no=b202105009&flag=1&journal_https://doaj.org/toc/1008-1542In order to explore the feasibility of arc additive processing of metal powder-cored welding wire,30CrMnSiA high-strength steel powder-cored wire was adopted,combined with high-speed camera and electric signal synchronous acquisition system,to analyze the droplet transfer characteristics and arc stability of the wire under pulse melting and gas shielded welding process.Under certain process parameters,the influence of pulse process WAAM on formability,microstructure and mechanical properties of deposited parts of high-strength steel powder-cored wire was discussed.The experimental results show that the droplet transfer type of high-strength steel powder-cored welding wire is a short circuit transition with non-axial droplet and multiple pulses one drop;the transverse and longitudinal mechanical properties of the deposited part are different;both the strength and toughness along with transverse are better than that of longitudinal direction;there are a large number of dimples on the transverse and longitudinal fractures of the deposited parts,which suggest that the fracture modes are both micropore aggregation plastic fracture,and the size of dimples on the longitudinal fracture is significantly larger than that in the transverse fracture.Therefore,when the metal powder-cored wire is applied to the field of additive processing,its performance meets the application requirements,and the deposited parts with excellent microstructure and mechanical properties can be obtained.The research results provide reference for improving the additive processing efficiency and performance of the metal powder-cored wire.[HQ]Huihui ZHAOXu GAOGuanying WANGYing LIUZhimin LIANGHebei University of Science and Technologyarticlemetallic materials; metal powder-cored welding wire; high strength steel; wire and arc additive manufacturing; droplet transfer; mechanical propertyTechnologyTZHJournal of Hebei University of Science and Technology, Vol 42, Iss 5, Pp 508-515 (2021)
institution	DOAJ
collection	DOAJ
language	ZH
topic	metallic materials; metal powder-cored welding wire; high strength steel; wire and arc additive manufacturing; droplet transfer; mechanical property Technology T
spellingShingle	metallic materials; metal powder-cored welding wire; high strength steel; wire and arc additive manufacturing; droplet transfer; mechanical property Technology T Huihui ZHAO Xu GAO Guanying WANG Ying LIU Zhimin LIANG Research on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire
description	In order to explore the feasibility of arc additive processing of metal powder-cored welding wire,30CrMnSiA high-strength steel powder-cored wire was adopted,combined with high-speed camera and electric signal synchronous acquisition system,to analyze the droplet transfer characteristics and arc stability of the wire under pulse melting and gas shielded welding process.Under certain process parameters,the influence of pulse process WAAM on formability,microstructure and mechanical properties of deposited parts of high-strength steel powder-cored wire was discussed.The experimental results show that the droplet transfer type of high-strength steel powder-cored welding wire is a short circuit transition with non-axial droplet and multiple pulses one drop;the transverse and longitudinal mechanical properties of the deposited part are different;both the strength and toughness along with transverse are better than that of longitudinal direction;there are a large number of dimples on the transverse and longitudinal fractures of the deposited parts,which suggest that the fracture modes are both micropore aggregation plastic fracture,and the size of dimples on the longitudinal fracture is significantly larger than that in the transverse fracture.Therefore,when the metal powder-cored wire is applied to the field of additive processing,its performance meets the application requirements,and the deposited parts with excellent microstructure and mechanical properties can be obtained.The research results provide reference for improving the additive processing efficiency and performance of the metal powder-cored wire.[HQ]
format	article
author	Huihui ZHAO Xu GAO Guanying WANG Ying LIU Zhimin LIANG
author_facet	Huihui ZHAO Xu GAO Guanying WANG Ying LIU Zhimin LIANG
author_sort	Huihui ZHAO
title	Research on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire
title_short	Research on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire
title_full	Research on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire
title_fullStr	Research on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire
title_full_unstemmed	Research on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire
title_sort	research on droplet transfer and wire arc additive manufacturing of 30crmnsia metal powder-cored welding wire
publisher	Hebei University of Science and Technology
publishDate	2021
url	https://doaj.org/article/8c690cf6ac09449fa14be10cc4a7846f
work_keys_str_mv	AT huihuizhao researchondroplettransferandwirearcadditivemanufacturingof30crmnsiametalpowdercoredweldingwire AT xugao researchondroplettransferandwirearcadditivemanufacturingof30crmnsiametalpowdercoredweldingwire AT guanyingwang researchondroplettransferandwirearcadditivemanufacturingof30crmnsiametalpowdercoredweldingwire AT yingliu researchondroplettransferandwirearcadditivemanufacturingof30crmnsiametalpowdercoredweldingwire AT zhiminliang researchondroplettransferandwirearcadditivemanufacturingof30crmnsiametalpowdercoredweldingwire
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Research on droplet transfer and wire arc additive manufacturing of 30CrMnSiA metal powder-cored welding wire

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