Results 211 to 220 of about 432,856 (263)
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Metastable Nanocrystalline Copper for Effective Copper-to-Copper Bonding
Nano LettersDirect copper-to-copper (Cu-Cu) bonding is critical for advanced electronic packaging. However, high bonding temperatures and prolonged bonding times present challenges for heterogeneous integration. To lower the thermal budget, researchers explored grain engineering with nanotwinned Cu (NT-Cu) and nanocrystalline Cu (NC-Cu).
Chuan He +10 more
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1968
In 1958 exposure tests were started in Sweden to gain knowledge of the natural patination and the corrosion behavior of copper and copper alloys when used outdoors. The investigation covered 36 alloys in sheet or rod form: 5 coppers, 20 brasses, 5 phosphor bronzes, 1 silicon bronze, 1 aluminum bronze, 1 cadmium bronze, 2 nickel-silvers, and 1 free ...
E Mattsson, R Holm
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In 1958 exposure tests were started in Sweden to gain knowledge of the natural patination and the corrosion behavior of copper and copper alloys when used outdoors. The investigation covered 36 alloys in sheet or rod form: 5 coppers, 20 brasses, 5 phosphor bronzes, 1 silicon bronze, 1 aluminum bronze, 1 cadmium bronze, 2 nickel-silvers, and 1 free ...
E Mattsson, R Holm
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Alloy Digest, 2004
Abstract Copper/Invar/Copper is a wrought metallic composite material used in printed circuit boards, power planes, metal cores, hybrid enclosures, heat sinks, and other applications where coefficients of thermal expansion (CTE) match or where constraint of thermal expansion is required or beneficial.
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Abstract Copper/Invar/Copper is a wrought metallic composite material used in printed circuit boards, power planes, metal cores, hybrid enclosures, heat sinks, and other applications where coefficients of thermal expansion (CTE) match or where constraint of thermal expansion is required or beneficial.
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2018
Copper and its alloys are widely used because of their outstanding conductivity, workability and resistance to corrosion. Selected alloys from the principal groups of copper-based materials are presented, including unalloyed coppers, high-copper alloys, brasses, and bronzes, highlighting the capability of this class of materials. The description of the
Jens Freudenberger, Hans Warlimont
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Copper and its alloys are widely used because of their outstanding conductivity, workability and resistance to corrosion. Selected alloys from the principal groups of copper-based materials are presented, including unalloyed coppers, high-copper alloys, brasses, and bronzes, highlighting the capability of this class of materials. The description of the
Jens Freudenberger, Hans Warlimont
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Copper metabolism in the kidney of rats administered copper and copper-metallothionein
American Journal of Physiology-Renal Physiology, 1998To gain a greater understanding of the mechanism of Cu metabolism in kidneys of rats, using autofluorescence of Cu-metallothioneins (Cu-MTs) we revealed the behavior of Cu-MT in the kidneys of rats administered Cu-MT. Yellow and orange fluorescent signals of Cu-MT were observed in the cortex.
M, Kurasaki +3 more
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Copper in solidified copper smelter slags
Scandinavian Journal of Metallurgy, 2003An appreciable amount of copper is slagged in high‐grade matte smelting and converting. The major part of copper lost in slag is recovered through slag‐cleaning operations. Copper losses in slag are of two main types: copper is either dissolved in molten slag as cuprous oxide (or as sulphide) or forms a mechanical dispersion in slag.
Heikki Jalkanen +2 more
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2001
Abstract This article discusses the composition, properties, and behaviors of copper and its alloys. It begins with an overview of the characteristics, applications, and commercial grades of wrought and cast copper. It then discusses the role of alloying, explaining how zinc, tin, aluminum, silicon, and nickel affect the physical and ...
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Abstract This article discusses the composition, properties, and behaviors of copper and its alloys. It begins with an overview of the characteristics, applications, and commercial grades of wrought and cast copper. It then discusses the role of alloying, explaining how zinc, tin, aluminum, silicon, and nickel affect the physical and ...
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Copper and Copper Complexes in Tumor Therapy
ChemMedChemAbstractCopper (Cu), a crucial trace element in physiological processes, has garnered significant interest for its involvement in cancer progression and potential therapeutic applications. The regulation of cellular copper levels is essential for maintaining copper homeostasis, as imbalances can lead to toxicity and cell death. The development of drugs
Yingqiao Wang +5 more
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