Study on Microstructure and Corrosion Behavior of Ag-Cu-Zn-Ni Alloys

Huang, Faming; Yin, Ping; Xu, Yunhua; Zhang, Ying

doi:10.4028/www.scientific.net/amr.311-313.2132

Cited by 6 publications

(1 citation statement)

References 7 publications

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“…An alloy based on the Ag-Cu system (composition is reported in Table 1) was identified as matching the requisites. The alloy was also chosen due to its superior corrosion resistance if compared to conventional Ag 925 sterling alloys, specifically against tarnishing [40]. Nickel concentration in the alloy is very low and, after laboratory tests, the release rate of this element was confirmed to be 0.004 µg/cm 2 /week, far below the 0.2 µg/cm 2 /week lower limit imposed by the European standards [41].…”

Section: Jewel Design and Manufacturingmentioning

confidence: 99%

Design and Manufacturing of a Nd-Doped Phosphate Glass-Based Jewel

Pugliese

Gobber

Forno³

et al. 2020

Materials

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This paper reports the results of the designing, manufacturing and characterization of a jewel obtained by means of coupling the dogmas of industrial design to the analytical engineering approach. The key role in the design of the jewel was played by an in-house synthesized Neodymium (Nd)-doped phosphate glass, selected due to its easy handling and capability to change color according to the incident light wavelength. The glass core was covered by a metal alloy to mitigate its relatively high fragility and sensitivity to thermal shock and, at the same time, to highlight and preserve its beauty. The selection of the proper metal alloy, having thermo-mechanical properties compatible with those exhibited by the glass, was carried out by means of Ashby’s maps, a powerful tool commonly adopted in the field of industrial design.

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Section: Jewel Design and Manufacturingmentioning

confidence: 99%

Design and Manufacturing of a Nd-Doped Phosphate Glass-Based Jewel

Pugliese

Gobber

Forno³

et al. 2020

Materials

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Ag@Ni Core–Shell Nanowire Network for Robust Transparent Electrodes Against Oxidation and Sulfurization

Eom

Lee

Pichitpajongkit

et al. 2014

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Silver nanowire (Ag NW) based transparent electrodes are inherently unstable to moist and chemically reactive environment. A remarkable stability improvement of the Ag NW network film against oxidizing and sulfurizing environment by local electrodeposition of Ni along Ag NWs is reported. The optical transmittance and electrical resistance of the Ni deposited Ag NW network film can be easily controlled by adjusting the morphology and thickness of the Ni shell layer. The electrical conductivity of the Ag NW network film is increased by the Ni coating via welding between Ag NWs as well as additional conductive area for the electron transport by electrodeposited Ni layer. Moreover, the chemical resistance of Ag NWs against oxidation and sulfurization can be dramatically enhanced by the Ni shell layer electrodeposited along the Ag NWs, which provides the physical barrier against chemical reaction and diffusion as well as the cathodic protection from galvanic corrosion.

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