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  • 1
    Electronic Resource
    Electronic Resource
    Manufacture of coarse copper powder from sulfamate electrolytes (1973)
    Springer
    Powder metallurgy and metal ceramics 12 (1973), S. 93-96 
    Details
    ISSN: 1573-9066
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. A study was made of the possibility of producing coarse copper powder from a sulfamine electrolyte. 2. The effects of deposit stripping from the cathode and sulfamic acid concentration in the electrolyte on the properties of the resultant copper powder were investigated. 3. The optimum electrolysis conditions, ensuring the formation of coarse copper powder possessing high ductility, were determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00807768
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  • 2
    Electronic Resource
    Electronic Resource
    Conditions of preparation and pressing behavior of copper powder (1970)
    Springer
    Powder metallurgy and metal ceramics 9 (1970), S. 615-618 
    Details
    ISSN: 1573-9066
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. The optimum conditions have been established for the preparation of pressing-quality copper powder of increased ductility from a sulfamate electrolyte. 2. A study was made of the effect of heat treatment on the structure and properties of copper powders. It is shown that a powder subjected to heat treatment becomes more ductile. Heat treatment is particularly effective in the case of copper powder prepared from the sulfamate electrolyte.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00803803
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  • 3
    Electronic Resource
    Electronic Resource
    Electrolytic silver-plating of iron power (1977)
    Springer
    Powder metallurgy and metal ceramics 16 (1977), S. 915-917 
    Details
    ISSN: 1573-9066
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. An examination is made of a process and apparatus for the electrodeposition of silver on iron powder. 2. To obtain a compact and adherent silver deposit on iron powder, it is necessary to apply to the latter a copper undercoat in an ethylenediamine electrolyte. 3. A study was made of the effect of changes in electrolyte composition on the cementation process occurring during silver-plating. The extent of cementation can be decreased by lowering the ammonium carbonate concentration to a minimum and raising the sodium pyrophosphate concentration above 80 g/liter. Additions of OP-7, potassium dichromate, and gelatin have a beneficial effect on the process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00796107
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Electrolyzer for the preparation of fine copper powder (1966)
    Springer
    Powder metallurgy and metal ceramics 5 (1966), S. 823-826 
    Details
    ISSN: 1573-9066
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. A multicompartment diaphragm-type electrolyzer has been constructed for the continuous production of ultrafine copper powder with the simultaneous electrochemical regeneration of the reducing agent on a lead cathode. 2. The optimum electrolysis and regeneration parameters have been established.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00776254
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  • 5
    Electronic Resource
    Electronic Resource
    Influence of temperature and protective atmosphere in the drying of copper powder on its physicochemical properties (1972)
    Springer
    Powder metallurgy and metal ceramics 11 (1972), S. 692-692 
    Details
    ISSN: 1573-9066
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00801262
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  • 6
    Electronic Resource
    Electronic Resource
    Manufacture of coarse copper powder from sulfamate electrolytes (1973)
    Springer
    Powder metallurgy and metal ceramics 12 (1973), S. 355-359 
    Details
    ISSN: 1573-9066
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. A study was made of the effects of electrolysis parameters (copper concentration in electrolyte, electrolyte temperature, and cathode current density) upon the properties of copper powder deposits. The optimum process parameters resulting in the formation of coarse copper powder of good ductility were determined. 2. The effects of various cathode materials upon the properties of loose copper deposits were investigated. It was established that powder deposits forming on a copper cathode exhibit the highest ductility, but are comparatively difficult to strip from the cathode.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00791257
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Silver plating of coarse copper powder (1971)
    Springer
    Powder metallurgy and metal ceramics 10 (1971), S. 607-609 
    Details
    ISSN: 1573-9066
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. The silver plating of copper powder was investigated and a comparison was made of the electroless and electrolytic silver-plating processes. The latter process gives appreciable economies in the use of silver. In addition to this, electrolytic silver plating ensures a stronger adhesion of the silver to the basis metal, which reduces corrosion attack. It is shown that, with this method of plating, it is easier to attain and control any desired deposit thickness. 2. On the basis of corrosion tests, the optimum amount of silver was determined affording effective protection to copper powder against atmospheric corrosion at elevated temperatures (200°C).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00804381
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    Paper (German National Licenses)
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