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Information Journal Paper

Title

EFFECT OF HEATING RATE ON MORPHOLOGICAL FEATURES OF OXIDIZED ELECTROLESS NICKEL–BORON COATINGS

Pages

  61-70

Abstract

 Due to their high hardness and wear resistance, electro less nickel-boron (Ni-B) coatings have found numerous applications. In the present study, the influence of the HEATING RATE on the MORPHOLOGICAL FEATURES of oxidized electro less NI-B coatings was investigated. The OXIDATION behavior of electro less coating layers was studied by TGA method under non-isothermal conditions at the HEATING RATEs of 5, 9 and 13°C/min. The phase compositions, elemental constituents, and microstructural characteristics were characterized by X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), and scanning electron microscopy (SEM), respectively. Results showed that the MORPHOLOGICAL FEATURES of the oxidized coating were significantly influenced by the HEATING RATE so that under the HEATING RATE of 5oC/min the morphology of the oxidized layer was a porous film with an average pore size of around 2 mm. With increasing the HEATING RATE to 9oC/min, more recessed pores or intervals were gradually overlaid by a film. Further increasing the HEATING RATE to 13oC/min caused the formation of polygonal protuberances on the surface.

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  • Cite

    APA: Copy

    CHAMI, A., & NASIRI TABRIZI, B.. (2015). EFFECT OF HEATING RATE ON MORPHOLOGICAL FEATURES OF OXIDIZED ELECTROLESS NICKEL–BORON COATINGS. JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE), 3(3), 61-70. SID. https://sid.ir/paper/662924/en

    Vancouver: Copy

    CHAMI A., NASIRI TABRIZI B.. EFFECT OF HEATING RATE ON MORPHOLOGICAL FEATURES OF OXIDIZED ELECTROLESS NICKEL–BORON COATINGS. JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE)[Internet]. 2015;3(3):61-70. Available from: https://sid.ir/paper/662924/en

    IEEE: Copy

    A. CHAMI, and B. NASIRI TABRIZI, “EFFECT OF HEATING RATE ON MORPHOLOGICAL FEATURES OF OXIDIZED ELECTROLESS NICKEL–BORON COATINGS,” JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE), vol. 3, no. 3, pp. 61–70, 2015, [Online]. Available: https://sid.ir/paper/662924/en

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