Results 21 to 30 of about 65,880 (307)

Fabrication of three-dimensional porous Cu current collector for lithium-ion batteries using Space Holder Method

open access: yesInternational Journal of Electrochemical Science, 2021
The novel three-dimensional (3D) porous copper was constructed by space holder method based on powder metallurgy technique, which was used as the current collector to develop the high-capacity Sn anode with 3D porous architecture for the lithium-ion ...
Zhixiang Wang   +5 more
doaj   +1 more source

Mineralogical investigations in metallurgy as a contribution to the affirmation of industrial mineralogy in Serbia

open access: yesZaštita Materijala, 2014
Industrial mineralogy is a part of mineralogy dealing with natural and synthetic minerals, raw materials, secondary raw materials, polymineral materials that originated from the production processes, etc.
Snežana Dević, Mira Cocić
doaj   +1 more source

Tapada da Ajuda (Lisbon, Portugal) bronze age pin [PDF]

open access: yes, 2016
A pin made of a copper-based alloy, found at Tapada da Ajuda (Lisbon, Portugal), a site dated to the beginning of the Late Bronze Age, was analyzed by X-ray fluorescence (XRF) spectroscopy and examined by microscopy.
Cardoso, João Luís   +2 more
core   +1 more source

Skeuomorphism, Boundary Objects and Socialization of the Chalcolithic Metallurgy in the Southern Levant

open access: yesEtnoantropološki Problemi, 2015
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
doaj   +1 more source

Copper-Graphene Composite Materials: Manufacturing Technology and Properties [PDF]

open access: yesProblemy Mechatroniki, 2019
The article presents the results of preliminary research into the feasibility of copper-graphene composite application in the production of shaped charge liners in HEAT ammunition from graphene-coated copper grain powders by powder metallurgy techniques.
Tomasz MAJEWSKI   +5 more
doaj   +1 more source

Argentinean copper concentrates: structural aspects and thermal behaviour [PDF]

open access: yes, 2013
In Argentina, there are many sources of copper concentrates. Some of them are currently in operation, while others are in the exploration stage. All copper concentrates produced are exported to other countries for copper refinement and to create various ...
Bazan Brizuela, Vanesa Lucia   +3 more
core   +1 more source

Functional glass-ceramic foams from \u2018inorganic gel casting\u2019 and sintering of glass/slag mixtures [PDF]

open access: yes, 2018
The here described investigation was essentially aimed at exploring the chemical stabilization and reutilization of iron-rich slag from copper metallurgy, by the manufacturing of glass-ceramic foams.
Bernardo, Enrico   +2 more
core   +1 more source

High Oxidation Resistance of CVD Graphene-Reinforced Copper Matrix Composites

open access: yesNanomaterials, 2019
Copper-based materials are common industrial products which have been broadly applied to the fields of powder metallurgy, electrical contact, and heat exchangers, etc.
Mingliang Wu   +13 more
doaj   +1 more source

Development of Russian copper industry under the conditions of the World Trade Organization membership [PDF]

open access: yesЭкономика региона, 2014
The article concerns the influence of the obligations undertaken by Russian Federation upon the World Trade Organization accession, on the development of the national copper industry.
Larisa Mikhaylovna Kapustina   +1 more
doaj   +1 more source

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