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Sergey N. Grigoriev, Marina A. Volosova, Sergey V. Fedorov, Mars S. Migranov, Mikhail Mosyanov, Andrey Gusev and Anna A. Okunkova
The main purpose of this paper was to study the efficiency of using diamond-like carbon (DLC) coatings based on a-C:H:Si with a pre-formed CrAlSiN sublayer to increase the cutting ability of ball end mills made of KFM-39 cemented carbide at a speed of 15...
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Rui Dang, Liqiu Ma, Shengguo Zhou, Deng Pan and Bin Xia
Ultra-high molecular weight polythene (UHMWPE), with outstanding characteristics, is widely applied in modern industry, while it is also severely limited by its inherent shortcomings, which include low hardness, poor wear resistance, and easy wear. Imple...
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Vitali Podgursky, Asad Alamgir, Maxim Yashin, Taivo Jõgiaas, Mart Viljus, Taavi Raadik, Mati Danilson, Fjodor Sergejev, Andreas Lümkemann, Jan Kluson, Jozef Sondor and Andrei Bogatov
The study investigates thermal stability and high temperature tribological performance of a-C:H:Si diamond-like carbon (DLC) coating. A thin alumina layer was deposited on top of the a-C:H:Si coating to improve the tribological performance at high temper...
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Arutiun Ehiasarian, Yashodhan Purandare, Arunprabhu Sugumaran, Papken Hovsepian, Peter Hatto and Jeroen De Backer
The Stationary Shoulder Friction Stir Welding (SS-FSW) technique benefits from reduced heat input, improved mechanical properties and surface finish of the weld, avoiding the need for post weld processing. Coatings on the tool probe and the shoulder for ...
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Harpal Singh, Kalyan C. Mutyala and Gary L. Doll
Solid lubricant molybdenum disulfide (MoS2) coatings have been frequently used to lubricate mechanisms operating in environments where oil and grease lubrication are ineffective. This work evaluated the rolling contact performance of a Titanium-containin...
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Mohamed Egiza, Hiroshi Naragino, Aki Tominaga, Kenji Hanada, Kazutaka Kamitani, Takeharu Sugiyama, Eiji Ikenaga, Koki Murasawa, Hidenobu Gonda, Masatoshi Sakurai and Tsuyoshi Yoshitake
Hard X-ray photoemission spectroscopy (HAXPES) was employed for the structural evaluation of ultrananocrystalline diamond/amorphous carbon (UNCD/a-C) composite films deposited on cemented carbide substrates, at substrate temperatures up to 550 °C by ...
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Domante Niuniavaite, Kestutis Baltakys and Tadas Dambrauskas
In this work, the kinetic parameters of Co2+ ion adsorption by a-C2SH were determined. a-C2SH was synthesized under hydrothermal conditions at 175 °C, when the duration of isothermal curing was 24 h and the molar ratio of...
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Camelia Popescu, Daniel Cristea, Bogdan Bita, Rodica Cristescu, Doina Craciun, Georgiana Diana Chioibasu, Catalin Luculescu, Irina Paun, Liviu Duta and Andrei C. Popescu
Carbon thin films of 50?100 nm thickness were synthesized by Pulsed Laser Deposition in vacuum at different laser fluences from 2 to 6 J/cm2. The deposited films were characterized by Raman spectroscopy for compositional assessment, scanning electron mic...
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Harald Hetzner, Christoph Schmid, Stephan Tremmel, Karsten Durst and Sandro Wartzack
Tungsten-modified hydrogenated amorphous carbon coatings (a-C:H:W) were deposited on high speed steel by reactive magnetron sputtering of a tungsten carbide target in an argon-ethine atmosphere. The deposition parameters, sputtering power, bias voltage, ...
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