Metal matrix composite (MMC) claddings can be effectively used in severe wear working conditions. The present work successfully develops the MMC clad of Ni + 10% WC8Co + Cr3C2-based material on SS-316 L substrate using cost-effective microwave hybrid heating (MHH) technique. The developed composite clads showed the refined microstructure with the existence of randomly dispersed reinforcement particles inside the Ni based matrix. The phase analysis study results of the clad region revealed the formation of various hard phases of Co3W3C4, Cr7Ni3, NiC, NiW, W2C, Fe6W6C, Fe7C3, FeNi3 during microwave heating. The hard phases present in the clad region contributed to the enhancement in the microhardness. The mean microhardness of the clad region was observed as 550 ± 40 HV. Further, composite clad exhibited excellent wear resistance than SS-316 L substrate under different tribological conditions.
Wear Resistance Improvement of Austenitic 316 L Steel by Microwave-Processed Composite Clads
Thapar Institute of Engineering and Technology,
Patiala 147004, India
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received August 6, 2018; final manuscript received December 6, 2018; published online January 25, 2019. Assoc. Editor: Longqiu Li.
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Kaushal, S., Singh, D., Gupta, D., and Jain, V. (January 25, 2019). "Wear Resistance Improvement of Austenitic 316 L Steel by Microwave-Processed Composite Clads." ASME. J. Tribol. April 2019; 141(4): 041605. https://doi.org/10.1115/1.4042273
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