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  • 1
    Electronic Resource
    Electronic Resource
    Structure and Anti-Corrosion of Tri-Layer Ni-P Amorphous Alloy Coating Prepared in the Same Bath (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 546-549 (May 2007), p. 1805-1808 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A tri-layer amorphous Ni-P alloy coating was prepared in the same bath by changing thetemperatures and currents, followed by heat treament. We studied the behavior ofcorrosion-resistance of the tri-layer coating before and after heat-treatment at 360℃ for different timein the 5% NaCl solution. The result showed that: the tri-layer amorphous Ni-P coating has theexcellent performance of anti-corrosion compare with single electroless or electrodeposited Ni-Pamorphous coating. The performance of anti-corrosion of the coating was improved by controlling thecoating’s structure and the role of electrochemical protection. After being heat-treated at 360℃ for 1hour ,the coating’s structure changed from amorphous to crystalloid and the corrosion resistance ofthe heat-treated coatings was higher than as-plated tri-layer Ni-P coating
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.546-549.1805.pdf
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Zn Coatings on AZ91D Magnesium Alloy Prepared by Electroplating from the Electrolyte Containing SnO〈sub〉2〈/sub〉 sol (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 546-549 (May 2007), p. 593-596 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A new method has been devised to obtain a Zn coating on the AZ91D magnesium alloyfrom the base electrolyte of ZnSO4 and K4P2O7 by electroplating. To improve the properties of thecoating, a SnO2 sol was prepared and added in the electrolyte. The effects of the SnO2 sol addition onthe morphologies, compositions and phase structures of the plated coatings were investigated byscanning electron microscopy (SEM), energy dispersion spectrometry (EDS) and X-ray diffraction(XRD). The results reveal that the addition of SnO2 in the solution changes the polarization behaviorof the electrolyte and the compositions of the plated coating. The plated coating formed in theelectrolyte with an addition of SnO2 sol are more uniform and provide a better protection for theAZ91D substrate
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.546-549.593.pdf
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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