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Formation of Hypereutectic Aluminium Alloy from Sacrificial Nickel Coating Investigated by Differential Thermal and Microstructural Analysis

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F11%3APU97114" target="_blank" >RIV/00216305:26210/11:PU97114 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Formation of Hypereutectic Aluminium Alloy from Sacrificial Nickel Coating Investigated by Differential Thermal and Microstructural Analysis

  • Original language description

    Nickel coating was sprayed from the 99,7 wt.% nickel powder by high velocity oxyfuel technique onto the 99.5 wt.% aluminium sheet surface. After the spraying was the samples annealed up to the temperature of 700, 800 and 1000oC. The heating rate of the samples of 5oC / min and cooling rate of 20oC/min was set up. Formation of binary hypereuectic aluminium alloy was investigated by using differential thermal analysis, metalography and scanning compare the results obtained. The microstructure of Al-Ni hypereutectic alloy is of aluminium matrix and Al3Ni eutectic. To estimate the chemical composition of phases the energy dispersive microanalysis was used. With increasing temperature the eutectic coarsen and the particles of primary Al3Ni phase is startedto be formed. The image analysis was applied to measure the resulting undissolved nickel coating thickness nad Al3Ni eutectic parameters.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    JI - Composite materials

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GP106%2F09%2FP513" target="_blank" >GP106/09/P513: Unconventional methods for preparation of Al matrix composites strengthened by Al-Ni phases</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů