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Title: Microstructural development on AISI 1060 steel by FeW/B4C composite coating produced by using tungsten inert gas (TIG) process
Authors: Islak, Serkan
Buytoz, Soner
Karagöz, Muzaffer
Keywords: TIG process;Composite coatings;Microstructure
Issue Date: Aug-2012
Publisher: NISCAIR-CSIR, India
Abstract: This study discusses the effects of B4C addition on the morphologies of primary carbides and eutectic colonies in FeW weld-surfacing alloys. Results reveal that a series of FeW weld-surfacing alloys with different B4C contents are successfully fabricated onto AISI 1060 steel by using tungsten inert gas (TIG) arc welding. SEM observations show that the obtained coating sheet has a smooth and uniform surface, as well as a metallurgical combination with the AISI 1060 steel substrate without cracks and pores at the interface. Fe23(C,B)6, Fe3(C,B), FeW2B2 and FeW3C boride and carbides are determined in the microstructure. The microhardness values of the coating results show a difference depending on the rate of B4C and coating conditions. The maximum microhardness value of the coating is about 1095 HV.
Page(s): 253-259
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.19(4) [August 2012]

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