Scanning electron microscopy study of microstructural evolution of electroless nickel-phosphorus deposits with heat treatment

Wei Sha, Xiaomin Wu, Watriah Sarililah

    Research output: Contribution to journalArticlepeer-review

    12 Citations (Scopus)

    Abstract

    This paper follows previous X-ray diffraction work on crystallisation and phase transformation of electroless nickel–phosphorus deposits, concentrating on microstructural changes. Amorphous or nanocrystalline coatings, depending on their phosphorus content, were heat treated at temperatures between 100 and 500 °C for 1 h. Changes in microstructure after the heat treatment were examined using high-resolution field emission scanning electron microscope. Crystallisation and grain growth effects are observed, as well as some inherent defect structures in the coatings and their changes. These are compared with the previous X-ray diffraction work and in general, good agreement is observed. The complementary strength and weakness of the different characterisation techniques are discussed.
    Original languageEnglish
    Pages (from-to)95-99
    Number of pages5
    JournalMaterials Science and Engineering B
    Volume168
    Issue number1-3
    Early online date18 Nov 2009
    DOIs
    Publication statusPublished - 15 Apr 2010

    Keywords

    • Amorphous materials
    • Coating materials
    • Microstructure
    • Phase transitions
    • Scanning electron microscopy

    ASJC Scopus subject areas

    • Mechanical Engineering
    • Mechanics of Materials
    • Materials Science(all)
    • Condensed Matter Physics

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