Results 31 to 40 of about 1,601,986 (333)

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

International 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, Deng Pan, Yaqian Liang, Bin Xia, Bingdong Qin, Meng Wang   +5 more
doaj   +1 more source

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

Etnoantropološki 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]

Problemy 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, Marcin SARZYŃSKI, Judyta SIENKIEWICZ, Jerzy SZAWŁOWSKI, Tomasz BABUL, Sylwester JOŃCZYK   +5 more
doaj   +1 more source

A multi criteria analysis and comparison of primary copper processing options [PDF]

, 2011
In the present study a methodology and a spreadsheet model were developed with the aim of integrating techno-economic and environmental objectives simultaneously during decision making. The model was developed specifically for the copper industry, mainly
Lusinga, Dion
core   +1 more source

A lead-isotope database of copper ores from the Southeastern Alps: A tool for the investigation of prehistoric copper metallurgy

, 2016
The Southeastern Alps were an important source of copper metal in prehistory, at least from the Eneolithic and through the Bronze Age, as documented by the abundant and substantial presence of smelting slags.
G. Artioli, I. Angelini, P. Nimis, I. Villa   +3 more
semanticscholar   +1 more source

Genesis of high-grade iron ore in the Sijiaying deposit, eastern Hebei, China: insights from magnetite/pyrite geochemistry and sulfur isotopes

Frontiers in Earth Science
The Sijiaying iron deposit in eastern Hebei Province is one of the largest banded iron formation (BIF)-hosted iron deposits in China and contains significant high-grade iron ore resources.
Xinyu Gao, Xinyu Gao, Xinyu Gao, Chao Xu, Fan Huang, Zhonghua Ruan, Zhonghua Ruan, Yan Wang, Lianrong Wu, Lianrong Wu, Hongzhe Xie, Hongzhe Xie, Wei Zhang, Wei Zhang, Chao Ma, Chao Ma, Junping Zhang, Junping Zhang, Qingsong Cai, Qingsong Cai, Ziwen Yang, Ziwen Yang, Guiyuan Sun, Guiyuan Sun   +23 more
doaj   +1 more source

High Oxidation Resistance of CVD Graphene-Reinforced Copper Matrix Composites

Nanomaterials, 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, Baosen Hou, Shengcheng Shu, Ao Li, Qi Geng, He Li, Yumeng Shi, Minghui Yang, Shiyu Du, Jun-Qiang Wang, Shuzhi Liao, Nan Jiang, Dan Dai, Cheng-Te Lin   +13 more
doaj   +1 more source

Modelling the Movement of Concentrate Particles in a Flash Furnace

Proceedings
In copper metallurgy, a flash furnace produces copper matte or smelting copper [...]
Ewa Kolczyk
doaj   +1 more source

First provenance studies using lead isotopes and elemental analysis on archaeological copper metal and minerals in the Puna of Jujuy and the eastern slopes of Santa Victoria, Salta, Argentina

Revista del Museo de Antropologia
This paper presents the first copper ore provenance study in Northwestern Argentina using lead isotope and elemental analyses on twenty-two samples of copper objects, smelted copper, and minerals from archaeological sites in the Puna of Jujuy and the ...
María Florencia Becerra, Sabine Klein, Katrin Julia Westner, Beatriz N. Ventura, Carlos Ignacio Angiorama   +4 more
doaj   +1 more source

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

Экономика 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, Andrey Anatolyevich Drevalev   +1 more
doaj   +1 more source