Hardness and wear properties of laminated Cr-Ni coatings formed by electroplating

Riyadi, Tri Widodo Besar; Masyrukan,

doi:10.1063/1.4981175

Cited by 4 publications

(2 citation statements)

References 8 publications

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“…Therefore, many researchers have seen a significant increase in strength, when the average grain size is converted to nanoscale dimensions [10]- [14]. The methods widely used for protective coatings in industry and research are electroplating, thermal spraying, and sputtering [15] [16]. Sputtering is a thin layer formation technique that is most widely used, for example in several industrial products such as semiconductors, surface coatings, and gold making.…”

Section: Introductionmentioning

confidence: 99%

Hardness and Wear Properties of Al-TiN Coatings Produced by DC Sputtering

Margono

Priyambodo

Nugroho

et al. 2022

MSF

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Aluminum is a lightweight material that is commonly used in engine components. However, aluminum's low hardness and wear resistance, requires special treatment before being used as a component. Increasing the hardness and wear resistance of aluminum can be done by coating Titanium Nitride (TiN) with the sputtering method. In this study, the effect of sputtering time on Al-TiN coating on hardness and wear resistance was obtained. The deposition of titanium nitride thin films on aluminum using a gas ratio of Ar: N ((70:30%) with varied treatment times of 30, 60, 90, and 120 minutes. Hardness and wear resistance were observed using Vickers hardness tester and Ogoshi High-Speed Universal. Whereas the morphology of the wear surface was observed by SEM. The result shows that the treatment time of 60 minutes obtained the highest hardness and minimum specific wear rate.

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Section: Introductionmentioning

confidence: 99%

Hardness and Wear Properties of Al-TiN Coatings Produced by DC Sputtering

Margono

Priyambodo

Nugroho

et al. 2022

MSF

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“…Thus, advance protection of the Al alloy in the piston component again the surface loads need to be carried out to achieve greater engine performance [8]. The surface modifications such as using coatings or surface treatments can be conducted [9][10][11][12]. Although there is a lot of research on piston systems, very few of them focus on improving surface properties for piston crowns.…”

Section: Introductionmentioning

confidence: 99%

Improving the Properties of the Piston Surface by Optimized Nitriding Parameters

Tjahjono¹

2020

IJETER

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Pistons of internal combustion engines are subjected to high fatigue loadings and high temperatures during operation. A progressive loss of the material may occur to the weakest areas of the piston resulting in a premature failure. A surface modification is required to lengthen its life. Nitriding is one of the surface treatments which can be used to enhance the surface properties. In this work, the processing parameters of nitriding process of the piston surface were investigated to to obtain the highest hardness. The optimized parameters were used to produce the treated product which subsequently tested using wear test, surface roughness test, and corrosion test. The samples were cut from a piston crown to form a 3 mm thickness and 13 mm width. The process of plasma nitriding was done in a DC glow discharge plasma nitriding machine with a flow of N2 gas. The processing parameters of the nitriding were pressures, time and temperature. The result shows that the highest hardness was obtained in the sample nitrided by a pressure of 1.2 mbar, a time of 3 hours, and a temperature of 175 C. However, the sample nitrided by the same parameters produces a highest value in the surface roughness and corrosion rate. The use of optimized parameters therefore can be used to lengthen the life of piston.

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