Observations on welding of α2+O+β titanium aluminide

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DC Field	Value	Language
dc.contributor.author	Madhusudhan Reddy, G.	-
dc.contributor.author	Mohandas, T.	-
dc.contributor.author	Chandreshekar, K.	-
dc.date.accessioned	2024-12-05T09:29:45Z	-
dc.date.available	2024-12-05T09:29:45Z	-
dc.date.issued	2001	-
dc.identifier.uri	http://localhost:8080/xmlui/handle/123456789/2003	-
dc.description	NITW	en_US
dc.description.abstract	The weldability characteristics of an a2zOzb titanium aluminide of nominal composition Ti – 24Al – 15.5Nb (at.-%) have been investigated. Conventional gas tungsten arc (GTA) and electron beam (EB) welds exhibited columnar fusion zone grains. Pulsed current and arc oscillated GTA welds exhibited predominantly equiaxed fusion zone grains. The microstructure of GTA welds and pulsed current GTA welds exhibited a2zO phases, whereas arc oscillated GTA welds and EB welds contained a2zOzb0/b2; however, b0/b2 is predominant in EB welds. The EB welds, which contained a2zb0/b2 microstructure, exhibited high strength and ductility compared with GTA welds. The observed microstructural variations are explained on the basis of possible weld thermal cycles and convective currents in the weld pool	en_US
dc.language.iso	en	en_US
dc.publisher	Science and Technology of Welding and Joining	en_US
dc.subject	welding	en_US
dc.subject	a2zOzb	en_US
dc.subject	titanium aluminide	en_US
dc.title	Observations on welding of α2+O+β titanium aluminide	en_US
dc.type	Article	en_US
Appears in Collections:	Metallurgical and Materials Engineering

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