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Authors
Affiliations
1 Welding Technology Centre, Metallurgical and Material Engineering Department, Jadavpur University, Kolkata-700032, IN
Source
Indian Welding Journal, Vol 48, No 1 (2015), Pagination: 29-40
Abstract
The effect of five different buffer layers followed by a hardfacing electrode deposited on gray cast iron plate (ASTM grade 2500) upon performance of interface between substrate cast iron and deposited layers as well as abrasive wear behaviour of hardfaced deposits were studied. The results show that high nickel buffer electrode attributed best performance of interface bond in terms of shear strength and relatively lower nickel buffer electrode attributed best abrasive wear properties. The shear strength at the interfaces and wear properties has been correlated with microstructure and micro-mechanism of fracture in shear strain and micro-mechanism of metal removal in abrasive wear.
Keywords
Buffer Layer, Hardfacing, Hardness, Carbides, Bond Strength, Abrasive Wear.
