pp 1–12 | Cite as

Development and Sliding Wear Behavior of Co-Mo-Cr-Si Cladding through Microwave Heating

  • C. Durga PrasadEmail author
  • Sharnappa Joladarashi
  • M. R. Ramesh
  • M. S. Srinath
  • B. H. Channabasappa
Original Paper


The aim of the present study is to improve the sliding wear resistance of pure titanium grade-2 substrate by developing CoMoCrSi (Tribaloy T400) cladding on it by using microwave hybrid heating technique. The developed cladding is characterized by microstructural features, phase analysis, measurement of microhardness by employing a scanning electron microscope (SEM), X-ray diffraction (XRD) and Vickers microhardness. The cladding and substrate are subjected to sliding wear test against alumina counterpart at elevated temperatures under dry conditions using a pin on disc tribometer. The test is performed by varying normal load and temperatures, whereas sliding speed is maintained constant. The developed clad shown partial melting of CoMoCrSi powders and obtained sound metallurgical bonding with the substrate. The high specific energy of microwave diluted the substrate atoms into cladding region which forms Cr3C2, Co3Ti, and TiC, phases confirmed by phase analysis. The cladding obtained better porosity and microhardness are 1.5 ± 0.2% μm and 760 ± 35 Hv respectively. The substrate exhibits low microhardness of 182 ± 25 Hv. The cladding exhibits 6 times of lower volume loss and 70.14% of less wear rate with respect to the substrate. The cladding experienced least coefficient of friction is 0.55 compared with the substrate. The worn surfaces of cladding and substrate are examined. The detailed mechanism of wear is discussed in this paper.


Tribaloy Microwave cladding Partial melt Metallurgical bonding Sliding wear 


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Authors wish to thank Mechanical Engineering department NITK Surathkal for their encouragement and support to carryout wear experiments. This research work did not fund by any government or non-government sectors.


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringNational Institute of Technology KarnatakaSurathkalIndia
  2. 2.Department of Industrial Production and EngineeringMalnad College of Engineering HassanHassanIndia
  3. 3.Research and Development EngineerPuneIndia

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