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Laser rapid manufacturing of bi-metallic tube with Stellite-21 and austenitic stainless steel

DSpace at IIT Bombay

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Title Laser rapid manufacturing of bi-metallic tube with Stellite-21 and austenitic stainless steel
 
Creator GANESH, P
KAUL, R
MISHRA, S
BHARGAVA, P
PAUL, CP
SINGH, CP
TIWARI, P
OAK, SM
PRASAD, RC
 
Subject functionally graded materials
laser rapid manufacturing
co(2) laser
bimetallic tube
stellite 21
stainless steel
 
Description Fabrication of multi-material engineering components is one of the technologies to address diverse and conflicting functional requirements posed by rapid technological development. Bi-metallic tube is one such multi-material component with different materials on internal and outer surfaces. This paper briefs about fabrication of a bi-metallic tubular structure with an indigenously developed 3.5 kW CO(2) laser integrated with a beam delivery system, a 5-axis CNC work station along with a powder feeding sub-system. The bi-metallic tube was fabricated with cobalt based alloy Stellite 21 on inner diameter and type 316L stainless steel on the outer diameter. Besides, a stainless steel tube with an internal step of Stellite 21 was also fabricated. As-fabricated bi-metallic structure was structurally sound and carried desired transition in chemical composition and hardness across its wall thickness.
 
Publisher SPRINGER INDIA
 
Date 2011-08-30T06:08:15Z
2011-12-26T12:58:47Z
2011-12-27T05:49:20Z
2011-08-30T06:08:15Z
2011-12-26T12:58:47Z
2011-12-27T05:49:20Z
2009
 
Type Article
 
Identifier TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 62(2), 169-174
0019-493X
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12215
http://hdl.handle.net/10054/12215
 
Language en