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Limei Ma, Yongheng Zhang, Yuli Niu, Yong Zhao, Shaoya Guan, Zijing Wang and Tuoda Wu
Ball-shell rotors with non-standard shapes, non-uniform conductive coatings, and eccentric masses machined by conventional processes constrain the improvement of levitation and torque accuracy of magnetically levitated momentum balls. This paper focuses ...
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Hoe-Kun Kim, Sung-Min Kim and Sang-Yul Lee
The CrZrN/CrZrSiN multilayer coatings at a bilayer period range decreasing from 1.35 µm to 0.45 µm were synthesized on a Si (100) wafer and WC-6 wt.% Co substrate using a closed-field unbalanced magnetron sputter, and the thickness effects on the mechani...
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Lijun Wang, Yan Liu, Hui Chen and Mengchao Wang
The ideal cutting-tool coating material is characterized by unique chemical and physical properties to achieve excellent cutting performance, a good thermal barrier effect, and a high-quality machined surface. Diamond-like carbon (DLC) coating, as a kind...
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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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Roman Gr. Maev, Jimi Tjong, Eugene Leshchinsky, Mircea Pantea and Volf Leshchynsky
Yttrium-stabilized zirconia thermal barrier coatings (TBCs) of combustion chambers and piston crowns are used most frequently to increase the chamber temperature and the internal combustion engine efficiency. The development of multilayer metal matrix co...
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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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Siyuan Xu, Hongbao Jia, Chunyang Wang, Wenping Zhao, Ying Wang, Chunming Yang, Henan Wu, Jiang Zhu, Biao Wang and Qian Wang
Multilayer broadband antireflective (AR) coatings consisting of porous layers usually suffers poor functional durability. Based on a quarter-half-quarter multilayer structure, AR coatings with dense SiO2 film as the top layer are designed, and refractive...
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Jian-Fu Tang, Chun-Hong Huang, Ching-Yen Lin, Fu-Chi Yang and Chi-Lung Chang
We investigated the effects of substrate rotation speed on the structural and mechanical properties of CrN/CrAlSiN multilayer coatings produced using high-power impulse magnetron sputtering (HiPIMS) on silicon and high-speed steel (HSS) substrates. Struc...
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Thomas Gischkat, Daniel Schachtler, Igor Stevanovic, Zoltan Balogh-Michels, Roelene Botha, Andreas Bächli, Marco Cucinelli, André Mocker, Martin Gutsche, Sven Günther, Philipp Alder and Bernd Eiermann
Substrate cleaning prior to coating has a strong influence on the performance of the optical component. Exemplary, none or inadequate cleaning reduces the resistance against laser irradiation drastically. Especially in laser components coated with anti-r...
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Ulanbator Suleimenov,Andrii Kostikov,Raimberdy Ristavletov,Medetbek Kambarov,Ruslan Kudabayev,Anna Vorontsova
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The study has addressed the development of the engineering procedure for the thermotechnical calculation of a building envelope with thermal insulation in which air chambers with a heat-reflecting coating are formed.The engineering procedure implied dete...
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