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- W2005202313 abstract "The aim of this work, using the powder metallurgy process, is to synthesize metallic alloys with high mechanical strength and high electric conductivity, after melting optimizing and thermal treatments. The Cu-Ni-Cr (wt%) alloys are characterized in their mechanical and electrical properties as well as the obtained microstructure. Through the process of powder metallurgy, contacts and structural parts can be obtained. The alloys elements are added to copper with the intention to improve their strength, ductility and thermal stability, without causing considerable damages in their form, electrical and thermal conductivity, and corrosion resistance. The metallic powders were mixed for a suitable time and then they were pressed in a cold uniaxial pressing (1000 kPa). Afterwards, the specimens were sintered in temperatures varying from 700 up to 800oC under vacuum. At last, the samples were homogenized at 550oC under vacuum, for special times. The comparative analysis is based on the sintered density, densification parameter, hardness, macrostructures and microstructures of the samples. The alloys were characterized by optical microscopy, x rays powder diffraction, electrical conductivity and Vickers hardness." @default.
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- W2005202313 date "2010-10-01" @default.
- W2005202313 modified "2023-10-01" @default.
- W2005202313 title "Microstructural and Electrical Investigation of Cu-Ni-Cr Alloys Obtained by Powder Metallurgy Method" @default.
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- W2005202313 doi "https://doi.org/10.4028/www.scientific.net/msf.660-661.35" @default.
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