Study of the operational parameters of plasma transferred arc melting and modelling of the process

Bourithis, L; Papadimitriou, GD

dc.contributor.author	Bourithis, L	en
dc.contributor.author	Papadimitriou, GD	en
dc.date.accessioned	2014-03-01T01:23:09Z
dc.date.available	2014-03-01T01:23:09Z
dc.date.issued	2005	en
dc.identifier.issn	1362-1718	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/16834
dc.subject	Heat source efficiency	en
dc.subject	Low carbon steel	en
dc.subject	Melting efficiency	en
dc.subject	PTA melting	en
dc.subject.classification	Materials Science, Multidisciplinary	en
dc.subject.classification	Metallurgy & Metallurgical Engineering	en
dc.subject.other	SURFACE-TREATMENT	en
dc.subject.other	WEAR-PROPERTIES	en
dc.subject.other	HEAT-TRANSFER	en
dc.subject.other	CARBON-STEEL	en
dc.subject.other	PLAIN STEEL	en
dc.subject.other	PTA PROCESS	en
dc.subject.other	TOOL STEEL	en
dc.subject.other	EFFICIENCY	en
dc.subject.other	MICROSTRUCTURE	en
dc.subject.other	OPTIMIZATION	en
dc.title	Study of the operational parameters of plasma transferred arc melting and modelling of the process	en
heal.type	journalArticle	en
heal.identifier.primary	10.1179/174329305X65041	en
heal.identifier.secondary	http://dx.doi.org/10.1179/174329305X65041	en
heal.language	English	en
heal.publicationDate	2005	en
heal.abstract	Plasma transferred arc (PTA) melting/alloying technique can be successfully used in various surface modification applications and has the potential for industrial use, replacing other more expensive techniques such as laser or electron beam. Such applications require tight control of the process parameters. There is a restricted field of PTA parameter values, where PTA melting can be successfully performed with smooth and unoxidised surfaces. The heat source efficiency of PTA treatment is strongly affected by welding current, arc length and travel speed of the arc and it takes values between 0·40 and 0·55, while melting efficiency takes values between 0·05 and 0-25, affected by the same parameters as arc efficiency. The microstructure and hardness of the melting zone of a PTA pass is associated with heat input and arc length. © 2005 Institute of Materials, Minerals and Mining.	en
heal.publisher	MANEY PUBLISHING	en
heal.journalName	Science and Technology of Welding and Joining	en
dc.identifier.doi	10.1179/174329305X65041	en
dc.identifier.isi	ISI:000234388300006	en
dc.identifier.volume	10	en
dc.identifier.issue	6	en
dc.identifier.spage	673	en
dc.identifier.epage	680	en