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Research Papers: Friction and Wear

Investigation of Dry Sliding Wear Behavior of Ni–SiC Microwave Cladding

[+] Author and Article Information
Sarbjeet Kaushal

Department of Mechanical Engineering,
Thapar University,
Patiala-147004, Punjab, India
e-mail: sarbjeet.kaushal@thapar.edu

Dheeraj Gupta

Department of Mechanical Engineering,
Thapar University,
Patiala-147004, Punjab, India
e-mail: dheeraj.gupta@thapar.edu

Hiralal Bhowmick

Department of Mechanical Engineering,
Thapar University,
Patiala-147004, Punjab, India
e-mail: hiralal.bhowmick@thapar.edu

1Corresponding author.

Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received June 14, 2016; final manuscript received September 29, 2016; published online April 4, 2017. Assoc. Editor: Sinan Muftu.

J. Tribol 139(4), 041603 (Apr 04, 2017) (9 pages) Paper No: TRIB-16-1192; doi: 10.1115/1.4035147 History: Received June 14, 2016; Revised September 29, 2016

In the present work, a wear-resistant composite cladding of Ni-based+10% SiC was developed on martensitic stainless steel (SS-420) through a recently developed process microwave hybrid heating (MHH) technique. In the current investigation, domestic microwave oven of frequency 2.45 GHz and 900 W power was used for the development of clads. The metallurgical and mechanical characterizations of developed clads were carried through scanning electron microscope (SEM), X-ray diffraction (XRD), and Vicker's microhardness. The developed clad is uniformly developed and it is metallurgically bonded with the substrate. The average Vicker's microhardness of the clad was 652 ± 90 HV. The tribological behavior of cladding has been investigated through pin-on-disk sliding method against an EN-31 (HRC-62). The clad surface showed good resistance to the sliding wear. It is observed that in case of the clad samples, wear occurs due to dislocation of particles, smearing off of tribofilm, and craters due to pullout of carbides from the matrix.

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Figures

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Fig. 1

Geometrical morphology of raw cladding powder: (a) Ni-based and (b) SiC

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Fig. 2

Typical XRD spectrum of the raw powder: (a) Ni-based and (b) SiC

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Fig. 3

(a) Schematic principle of microwave hybrid heating and (b) processing of clad formation inside domestic microwave oven

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Fig. 4

Typical XRD spectrum of microwave developed cladding

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Fig. 5

(a) SEM image showing transverse section of microwave clad, (b) SEM image showing microstructure of the clad, (c) elemental distribution at location 1 of clad, and (d) elemental distribution at location 2 of clad

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Fig. 6

Vicker's microhardness profile of clad, substrate, and interface

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Fig. 7

Cumulative weight loss versus sliding distances graphs for various loads and sliding speeds for composite clad (a,c, e) and SS-420 (b, d, f)

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Fig. 8

Typical wear rate characteristics of (a) SS-420 and (b) microwave clad at 1.5 kg load

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Fig. 9

(a) SEM image of top surface of clad before wear testing, (b) EDS analysis of top surface of clad before wear testing, (c) smearing of formed tribo-oxide film on clad surface at 1.5 kg of normal load and 1.5 m/s of sliding speed, and (d) EDS analysis of formed tribofilm

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Fig. 10

Comparison of weight loss for microwave processed clad and mild steel substrate at 0.5 m/s sliding velocity and 1.5 kg of normal load

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Fig. 11

SEM of worn out surfaces showing wear phenomenon of (a) microwave developed clad and (b) mild steel substrate, at 1.5 kg of load and 1.5 m/s of sliding speed

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Fig. 12

(a) SEM image of wear debris of clad surface and (b) EDS analysis of wear debris

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