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Huali Zhang, Minghui Zhang, Jicai Kuai and Dmitrii V. Ardashev
Non-abrasive iron-based grinding diamond wheels, lacking abrasive particles, negate the concern of detached passivated abrasives scratching the polished surface. During the Electrolytic In-Process Dressing (ELID) polishing process, a-Fe2O3 particles form...
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Alessandro M. Ralls, Ashish K. Kasar, Mohammadreza Daroonparvar, Arpith Siddaiah, Pankaj Kumar, Charles M. Kay, Manoranjan Misra and Pradeep L. Menezes
For the first time, Zr702 coatings were deposited onto an Al6061 alloy using a high-pressure cold spray (HPCS) system. In this work, five different N2 process gas temperatures between 700 and 1100 °C were employed to understand the formation of cold spra...
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Andresa Baptista, Gustavo Pinto, Francisco J. G. Silva, Andreia A. Ferreira, Arnaldo G. Pinto and Vitor F. C. Sousa
The automotive industry is a pioneer in solutions that meet market expectations. However, in the automotive industry, some less environmentally friendly technologies are still used, such as electroplating. Due to legislative restrictions in several count...
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Tetiana Nadryhailo,Viktor Vernyhora,Alexander Korobochka,Alexander Sasov
Pág. 21 - 31
Thousands of tons of metal-containing sludge are produced every month at machine-building, especially bearing producing and metallurgy enterprises where is processed. In the production of bearings, up to 10.0 thousand tons of sludge containing up to...
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Lei Xu, Erkuo Yang, Yasong Wang, Changyun Li, Zhiru Chen and Guofa Mi
Ultra high-pressure sintering (UHPS) was used to prepare AA6061/SiCp composites with different contents and the effect of sintering temperatures on microstructure and mechanical properties was investigated in this study. The results showed that a uniform...
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Alfredo Morales, Oscar Piamba and Jhon Olaya
We report the results of the influence of the acetylene and oxygen gas pressure on the wear resistance of aluminum?bronze coatings deposited on naval brass substrate by means of the thermal (flame) deposition process. The coatings were characterized by m...
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Anatoly Ischenko,Dmitry Rassokhin,Elena Nosovskaya
Pág. 23 - 28
Studying the process of cavitation has remained relevant up to now. The reason for this is the multifactorial causes of cavitation and, as a result, the difficulty to prevent it. One effective way to fight cavitation destruction is to use specialized mat...
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Marina Volosova, Sergey Grigoriev, Alexander Metel and Alexander Shein
The main problem with ceramics used in cutting tools is related to the unpredictable failures caused by the brittle fracturing of ceramic inserts, which is critical for the intermittent milling of cyclic loading. A 125-mm-diameter eight-toothed end mill,...
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Lihui Tian, Zongkang Feng and Wei Xiong
In this comparative study, Ni60 was used as a reinforcement and added into an AlCoCrFeNiTi high-entropy alloy (HEA) matrix coating in order to enhance its hardness and wear resistance. An AlCoCrFeNiTi/Ni60 coating was prepared by plasma spraying with mec...
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V. V. Buhaienko,Yu. I. Osenin
Pág. 17 - 20
A process of interaction of the running-on air stream and the particle of an abrasive material on a way section from an exhaust outlet of sanding plant to a place of locomotive wheel/rail contact is considered. The mathematical model of movement of a par...
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