Results 11 to 20 of about 65,880 (307)
Nature Communications, 2020 Graphene networks have been used to reinforce polymer and ceramic composites, but connecting graphene into a three dimensional network in a metal matrix is challenging.
Xiang Zhang +8 more
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Properties of powdered metal-ceramic materials obtained from by-products of the mining and metallurgical industry of Uzbekistan [PDF]
E3S Web of Conferences, 2023 One of the actual problems of production is the use of various waste products, in particular metallurgical. The method of powder metallurgy allows the use of waste from metallurgical industries.
Norkhudjayev F. R. +4 more
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A sustainable approach to replace bleed stream in electrical refining of copper
Materials Letters: X, 2022 Despite extensive studies on electrorefining to remove impurities from copper production units, bleeding electrolytes is the most popular method for controlling impurities due to low operating costs.
Mohammadreza Shojaei +2 more
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Etnoantropološki Problemi, 2016 Metalworking emerged in the southern Levant as a new ritual practice during the late phase of the Ghassulian culture, ca. 4300–3900 BC. Ghassulian metalworkers cast objects in both pure and alloyed copper. All the artifacts produced during this time span
Milena Gošić
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Kuangchan zonghe liyong, 2023 This is a paper in the field of ceramic materials for metallurgy. Magnesia chrome refractory is widely used in copper industry due to its excellent high temperature strength, fine slag corrosion resistance and good performance.
Guolong Ni, Shuhuan Wang, Qun Li
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Inventing Metallurgy in Western Eurasia: a Look Through the Microscope Lens [PDF]
, 2015 The quest for the ‘when’ and ‘where’ of the world's earliest metallurgy has been dominating scholarly research on this topic for decades. This paper looks beyond the question of origins by discussing ‘how’ and ‘why’ metallurgy was invented. It looks into
Radivojević, M
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Metals, 2023 To determine slag properties and the factors influencing these properties for optimization of operating conditions in the copper flash smelting process, the composition and microstructures of the quenched smelting and converting slags have been analyzed.
Sui Xie +3 more
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Not invasive analyses on a tin-bronze dagger from Jericho. A case study [PDF]
, 2018 Tin-bronze makes its appearance in Southern Levant during the Early Bronze IV, the post-urban phase of the last centuries of the 3rdmillennium BC, when arsenical copper was still the most widespread copper alloy. Only from the following Middle Bronze Age
Caminiti, Ruggero +3 more
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Restoration of the tribotechnical pairs in equipment of mining industry [PDF]
, 2019 Purpose. Substantiation of the possibilities and development of technology for the restoration of the worn-out tribotechnical pairs of mining equipment by methods of hot radial stamping in powder metallurgy using technogenic waste. Methods.
Biloshytska, N +2 more
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Scientific Reports, 2019 The XRF, XRD, polarizing microscopy and SEM-EDS were used to study the alteration mechanism of copper-bearing biotite and the leachable property of copper-bearing minerals in Mulyashy Copper Mine, Zambia.
Gai-rong Wang +4 more
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