Results 11 to 20 of about 24,741 (304)
Electropolishing the Rare-Earth Metals
, 1964 Abstract : This paper describes a method whereby the rare-earth metals can be consistently electropolished and chemically etched. The method involves cooling an alcohol-perchloric electrolyte to -76 deg C before electropolishing. The metals are chemically polished in the same solution.
E. N. Hopkins, D. T. Peterson
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Conditions Affecting the Release of Heavy and Rare Earth Metals from the Mine Tailings Kola Subarctic. [PDF]
Toxics, 2021 In the Kola Subarctic, a mining industry has developed, which is a source of environmental pollution with heavy metals. The objects of study were the tailings of three large mining enterprises in the region: apatite-nepheline, complex and loparite ores ...
Krasavtseva E, Maksimova V, Makarov D.
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Exploratory Data Analysis for the Evaluation of Tribological Properties of Wear-Resistant Surface Layers Modified with Rare-Earth Metals. [PDF]
Materials (Basel), 2022 The role of rare Earth metals in the improvement of the properties of metals and alloys has been analysed and described in multiple studies. Their effects on changes in microstructure and mechanical properties are most pronounced.
Malinowski P +3 more
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Effect of Rare Earth Metals on the Microstructure of Al-Si Based Alloys. [PDF]
Materials (Basel), 2016 Alkahtani SA +4 more
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Zhongguo dizhi zaihai yu fangzhi xuebao, 2023 Based on the large number, diverse types and uneven distribution of geological disasters in Yibin City, this study takes the coupling relationship between geological disaster and lithology - structure as a starting point.
Wen LIU +5 more
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Research on the influence of trapezoidal magnetization of bonded magnetic ring on cogging torque
Open Physics, 2023 In this article, the influence of trapezoidal magnetization method on cogging torque of permanent magnet motor is studied. First, the structure is analyzed by analytical method to explain its mechanism of reducing cogging torque. Then, in order to verify
Zhang Ze +8 more
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Properties of Rare-Earth Element in Magnetic Material and Its Processing
Успехи физики металлов, 2023 Rare-earth metal is one of the critical elements because of its small amount with a lot of demand for this metal in a variety of the latest technologies, which are currently developed fast and intensively.
F. Bahfie, N. O. Br Kaban, S. Suprihatin, F. Nurjaman, E. Prasetyo, and D. Susanti
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Kuangchan zonghe liyong, 2023 This is a paper in the field of process mineralogy. A silica-type tungsten and molybdenum mine in Shaanxi has diverse ore types and large variations in tungsten and molybdenum grades, and it is difficult to improve the concentrate grade and recovery ...
Ying Jiang +5 more
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Research Progress and Application of Rare - Earth Conversion Film in Metal Corrosion Protection [PDF]
Cailiao Baohu, 2022 The rare earth conversion film has attracted more and more attention in recent years because of its good corrosion resistance and non - toxicity. The concept and film forming mechanism of rare earth conversion film were briefly introduced, and the ...
DI Yu - li, LI Liao - kuo, JIAO Yu, HUANG Hai - yan, HE Xia, LUO Qian, ZHANG Wan - ming
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Geopolitics and rare earth metals
, 2022 Rare earth elements are critical in the production of consumer products, renewables, and green, industrial, and defense products. Using more than thirty years of Japanese import data, we document statistically significant relationships between ...
Omura, Akihiro +5 more
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