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Xuan Liu, Tao Jiang, Chenglong Li, Mingyu Wan, Wenzhu Xuan and Xingfu Wang
This research used fly ash and slag to create geopolymer foam concrete. They were activated with an alkali, resulting in a chemical reaction that produced a gel that strengthened the concrete?s structural integrity. The experimental approach involved var...
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Alexey Prosviryakov and Andrey Bazlov
In this work, we studied the effect of thermal exposure on the microstructure and mechanical properties of an Al-5 wt.% TiO2 composite material with additions of 5 wt.% Cu and 2 wt.% stearic acid as a process control agent (PCA), obtained by mechanical a...
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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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Do Nam Binh, Nguyen Thi Hoang Oanh and Nguyen Hoang Viet
In this paper, the influence of mechanical milling on the microstructural evolution and magnetic properties of Al82Fe14Ni4 alloys prepared by mechanical alloying is investigated. The elemental powder mixture was processed under argon gas at 250 rpm and 3...
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Ján Varga, Teodor Tóth, Lubo? Ka?cák and Emil Spi?ák
The article discusses the effect of milling strategies on surface quality and geometric deviations during pocket milling when the perpendicular position of the tool is used. For experimental research, an aluminum alloy, AlCu4Mg, was used. For the product...
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Irina Issayeva,Vitaly Povetkin,Azamat Alpeisov,Amina Bukayeva,Dinara Arinova
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A large volume of rocks containing valuable minerals is treated at mining and processing plants in Kazakhstan. Ball mills and rod mills are used for their grinding and further processing in Balkhash, Zhezkazgan.Ball mills with gear drive rings in the dru...
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Martin Martinez Ruiz, Jesús Noé Rivera Olvera, Rodolfo Morales Davila, Leonardo González Reyes, Vicente Garibay Febles, Jesus Garcia Martinez and Lucía G. Diaz Barriga Arceo
Carbides are used extensively as cutting tools, forming dies, and recently in catalysis applications, among other industrial applications. In this work, the synthesis and characterization of a nanostructured MoW bimetallic carbide were carried out by mec...
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Agus Budi Prasetyo,Rahadian Darmawansyah,Wahyu Mayangsari,Eni Febriana,Sulaksana Permana,Ahmad Maksum,Soesaptri Oediyani,Florentinus Firdiyono,Johny Wahyuadi Soedarsono
Pág. 6 - 14
A research based on magnesium extraction of ferronickel slag waste processed by reverse leaching using sodium hydroxide (NaOH) solutions has been carried out. The ferronickel slag has the main compositions of magnesium silicate and iron silicate. The ear...
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Roman Tkachov, Lukas Stepien, Moritz Greifzu, Anton Kiriy, Nataliya Kiriy, Tilman Schüler, Tino Schmiel, Elena López, Frank Brückner and Christoph Leyens
Polynickeltetrathiooxalate (poly[Ni-tto]) is an n-type semiconducting polymer having outstanding thermoelectric characteristics and exhibiting high stability under ambient conditions. However, its insolubility limits its use in organic electronics. This ...
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????????? ????????????? ??????, ????????? ?????????? ????????, ?????? ????????? ?????????, ???? ???????????? ???????, ????? ????????????? ??????????
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The subject of the research in the article are topical issues related to the development of technology for the repair and restoration of large-sized gears of drives of walking excavators, ore-grinding mills, ball mills. The goal is to develop a new techn...
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