Effect of Mo- and SiC-Reinforced NiCr Microwave Cladding on Microstructure, Mechanical and Wear Properties

A microwave hybrid heating technique was applied to produce the NiCr-Mo-SiC composite cladding on Titan-31. The developed claddings were tested for microstructural features, phase analysis, microhardness, and surface roughness parameters using scanning electron microscopy (SEM), X-ray diffraction (X...

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Bibliographic Details
Published inJournal of the Institution of Engineers (India): Series D Vol. 104; no. 2; pp. 539 - 551
Main Authors Sharanabasava, H., Prasad, C. Durga, Ramesh, M. R.
Format Journal Article
LanguageEnglish
Published New Delhi Springer India 01.12.2023
Springer Nature B.V
Subjects
Bonding strength
Clad metals
Claddings
Coefficient of friction
Diamond pyramid hardness
Engineering
Fractures
Lubricity
Microstructure
Original Contribution
Substrates
Surface roughness
Wear tests
Titan-31 alloy
Microwave hybrid heating
Metallurgical bonding
Wear
NiCrMoSiC cladding
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Summary:A microwave hybrid heating technique was applied to produce the NiCr-Mo-SiC composite cladding on Titan-31. The developed claddings were tested for microstructural features, phase analysis, microhardness, and surface roughness parameters using scanning electron microscopy (SEM), X-ray diffraction (XRD), Vickers Microhardness, and 3D optical profilometers, respectively. Using a static alumina indenter on microwave clads, the linear reciprocator ball on plate wear test was performed. Both friction and wear track metrics have been studied. A dense microstructure without observable holes or fractures has been achieved, together with a homogeneous distribution of hard phases and strong metallurgical bonding. Cladding is typically three times tougher than the underlying metal. Due to the formation of hard carbide phases, which increased hardness and internal lubricity, cladding has a lower coefficient of friction than the substrate.
ISSN:2250-2122
2250-2130
DOI:10.1007/s40033-022-00445-8