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Research Papers

Evaluation of Sliding Wear Resistance of Physical Vapor Deposited Coatings by the Ball-Cratering Test Method

[+] Author and Article Information
P. Vijayasarathi

Mechanical Engineering,
Jeppiaar Institute of Technology,
Sriperumbudur 600025, Tamil Nadu, India
e-mail: vijayasarathiprabakaran@gmail.com

S. Ilaiyavel

Mechanical Engineering,
Sri Venkateswara College of Engineering,
Sriperumbudur 602117, Tamil Nadu, India

P. Suresh Prabhu

Research Section,
Karpagam University,
Coimbatore 641021, Tamil Nadu, India

1Corresponding author.

Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received November 30, 2015; final manuscript received February 4, 2017; published online April 19, 2017. Assoc. Editor: Ashraf Bastawros.

J. Eng. Mater. Technol 139(3), 031009 (Apr 19, 2017) (8 pages) Paper No: MATS-15-1303; doi: 10.1115/1.4036067 History: Received November 30, 2015; Revised February 04, 2017

In this study the microstructure and wear characteristics of uncoated, TiAlN, AlCrN, and TiCN multilayer coated AISI 410 stainless steel. Tribological properties of the coatings were investigated by high carbon steel ball friction in dry sliding, sliding velocity of 0.3927 m s−1, sliding distance of 248.43 m, and under a load range of 2–4 N at room temperature. Among all the multilayer coatings tested, TiCN gave the superior wear resistance, followed by TiAlN and AlCrN. This indicates that the presence of C in TiCN coating leads to increase the wear resistance. At 2–3 N load in which oxidation was present, AlCrN coating shows the excellent wear resistance followed by TiAlN and TiCN coatings. The coating with a TiAlN proved good to acceptable wear resistance between 3 N and 4 N load. The wear rates and worn surfaces were investigated with scanning electron microscopy (SEM) (with energy dispersive spectroscopy (EDS) attachment), X-ray diffraction (XRD), and Talysurf profilometry analysis, which demonstrate that the grooved regions, pits, ploughing ridge, and cavities were found along the worn surface of the uncoated, TiAlN, and AlCrN coated surface. This result exposed that hard-coated particles were observed on the high carbon steel ball surface.

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Figures

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Fig. 1

Microscope image of cross section of coated substrate

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Fig. 2

EDS analyses for worn surfaces of 3 N load: (a) uncoated surface, (b) TiAlN-coated surface, (c) TiCN-coated surface, and (d) AlCrN-coated surface illustrated

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Fig. 3

Schematic diagram of abrasion testing machine

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Fig. 4

XRD pattern for TiAlN-coated surface, AlCrN-coated surface, and TiCN-coated surface illustrated

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Fig. 5

Vickers hardness of PVD-coated AISI 410 steel

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Fig. 6

The variation of the coefficient of friction as a function of the number of cycles for all the three films at different applied loads: (a) 2 N, (b) 3 N, and (c) 4 N

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Fig. 7

(a) Total wear of the investigated films at different loads and (b) wear rates of high carbon ball against different PVD coatings

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Fig. 8

SEM images of the worn surface produced by ball cratering sliding wear test of (a) uncoated surface, (b) TiAlN-coated surface, (c) TiCN-coated surface, and (d) AlCrN-coated surface

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Fig. 9

Topographic images obtained using white light confocal microscopy from the worn surface of the investigated film: (a) uncoated surface, (b) AlCrN-coated surface, (c) TiAlN-coated surface, and (d) TiCN-coated surface

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Fig. 10

The photographs of the sliding wear show the rolling and grooving of 4 N load: (a) TiAlN-coated surface, (b) AlCrN-coated surface, (c) TiCN-coated surface, and (d) uncoated surface

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