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Copper metallurgy at the crossroads [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2007
Copper technology changed from the vertical to the horizontal furnace and from the roast reaction to converting towards the end of the last century. However, the horizontal furnace proved to be an inefficient and polluting reactor.
Habashi F.
doaj   +2 more sources

The nature of some Late Bronze Age iron-bearing artefacts of the Ural-Kazakhstan region [PDF]

open access: yesВестник археологии, антропологии и этнографии, 2023
The problem of the beginning of iron production in the Late Bronze Age of the Ural-Kazakhstan region is discussed. For this, 13 iron-bearing artefacts from nine settlements that functioned in the 2nd mil.
Ankushev M.N.   +7 more
doaj   +1 more source

New Evidence of the Ancient Metallographical Activities in the Margin of the Iranian Central Plateau [PDF]

open access: yesIranian Journal of Archaeological Studies, 2021
The Urmia-Dokhtar volcanic belt is the most important copper belt in Iran, where the archaeological materials discussed in this article also derive from.
Shokouh Khosravi, Kamal Aldin Niknami
doaj   +1 more source

Environmental risk assessment for the unregulated waste disposal sites of municipal waste in the city area of Bor [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2021
The problem of unregulated waste disposal sites is present not only in Serbia but in the other parts of the Republic of Serbia. Therefore, it is necessary to locate these waste dumpsites, investigate their negative impact on the environment, make ...
Staletović Novica   +4 more
doaj   +1 more source

Application of Thionocarbamates in Copper Slag Flotation

open access: yesMetals, 2022
Thionocarbamates are the group of collectors that are mostly used for flotation of sulphide copper minerals, alone or in combination with xanthates depending on a mineralogical composition of the ore.
Zoran Štirbanović   +6 more
doaj   +1 more source

Interwoven traditions in Bell Beaker metallurgy: Approaching the social value of copper at Bauma del Serrat del Pont (Northeast Iberia)

open access: yesPLoS ONE, 2021
Debates on early metallurgy in Western Europe have frequently focused on the social value of copper (between utilitarian and symbolic) and its purported role in the emergence and consolidation of hierarchies.
Julia Montes-Landa   +4 more
doaj   +2 more sources

The beginning of metallurgy in the southern Levant: a late 6th millennium CalBC copper awl from Tel Tsaf, Israel. [PDF]

open access: yesPLoS ONE, 2014
The beginning of metallurgy in the ancient Near East attracts much attention. The southern Levant, with the rich assemblage of copper artifacts from the Nahal Mishmar cave and the unique gold rings of the Nahal Qanah cave, is regarded as a main center of
Yosef Garfinkel   +3 more
doaj   +1 more source

Effect of CNT Inclusion on the Thermo-Mechanical Behaviour of Cu-Ni-Zn-Sn Nanocomposite [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2023
In recent times, there has been an increasing interest in Carbon NanoTubes (CNTs) reinforced metal matrix composites due to their promising properties such as high Young’s modulus and tensile strength.
R. Geetha   +2 more
doaj   +1 more source

Transformative copper metallurgy in Chalcolithic Cyprus: a reappraisal [PDF]

open access: yesAntiquity, 2021
The extraction and smelting of the rich copper ore deposits of Cyprus and the manufacture of copper objects on the island are thought to have begun during the Philia phase (c. 2400–2200 BC). Here, the authors present the results of lead isotope analysis undertaken on Late Chalcolithic (2900–2400 BC) metal objects from the site of Chlorakas-Palloures ...
During, Bleda S.   +3 more
openaire   +3 more sources

Enhanced mechanical strength of Cu–Sn alloy by Mg addition

open access: yesMaterials Research Express, 2021
In recent years, the commercially available Cu–Sn alloy has attracted great interest within the new energy vehicles and industrial robots industries because of its relatively excellent comprehensive performance as compared to those of Cu–Ag and Cu–Mg ...
Tao Wu   +6 more
doaj   +1 more source

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