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Information Journal Paper

Title

EFFECT OF HEAT TREATMENT AND B4C CARBIDE DISTRIBUTION ON CORROSION AND WEAR RESISTANCE OF NI-PLNI-B-B4C DOUBLE LAYER COATING

Pages

  107-115

Abstract

 In this study effect of HEAT TREATMENT on hardness and WEAR RESISTANCE of Ni-P/Ni-B-B4C composite duable layer coating investigated. In the first, the Ni-P ELECTROLESS COATING deposited on the Ck45 substrate for 15 mm and then the Ni-B-B4C ELECTROLESS COATING with same thickness deposited. For comparing properties of Ni-P/Ni-B-B4C coating with conventional coatings the Ni-P/Ni-B double layer coating with same thickness and Ni-B single layer coating with 30 urn thickness deposited on Ck45 substrate too. Tafel polarisation analyse used for investigation role of Ni-P electroless layer. The coated samples heat treated in 400°C temperature for I hr. effect of HEAT TREATMENT on morphology and microstructure investigated with scanning electron microscopy and X-ray diffractometry. The pin- on -disk test with 5 N load and 1000 m sliding distance was used to WEAR RESISTANCE studies of coatings in the room temperature. Result show that adding B4C particles to Ni-B layer and presence of Ni-P layer development CORROSION resistance of Ni-PlNi-B-B4C double layer coating. Uniform distribution of B4C particles in the Ni-B layer and HEAT TREATMENT process caused to semi arnorph structure of coatings converted to nano crystallin structure. On the other hand HEAT TREATMENT process results to formation Ni3B hard phase in the coatings. Uniform distribution of hard particles, nanocrystallin structure and presence of Ni3B phase are general reasons that increase WEAR RESISTANCE of Ni-P/Ni-B- B4C double layer coating. It can forecast that good properties of Ni-PlNi-B-B4C double layer coating result to development Ck45 steel in the industries.

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    APA: Copy

    REZAGHOLIZADEH, MOHSEN, HEYDARI, AZAM, BINA, MOHAMMAD HOSSEIN, & SAATCHI, AHMAD. (2015). EFFECT OF HEAT TREATMENT AND B4C CARBIDE DISTRIBUTION ON CORROSION AND WEAR RESISTANCE OF NI-PLNI-B-B4C DOUBLE LAYER COATING. ADVANCED PROCESSES IN MATERIALS, 9(3 (34)), 107-115. SID. https://sid.ir/paper/172603/en

    Vancouver: Copy

    REZAGHOLIZADEH MOHSEN, HEYDARI AZAM, BINA MOHAMMAD HOSSEIN, SAATCHI AHMAD. EFFECT OF HEAT TREATMENT AND B4C CARBIDE DISTRIBUTION ON CORROSION AND WEAR RESISTANCE OF NI-PLNI-B-B4C DOUBLE LAYER COATING. ADVANCED PROCESSES IN MATERIALS[Internet]. 2015;9(3 (34)):107-115. Available from: https://sid.ir/paper/172603/en

    IEEE: Copy

    MOHSEN REZAGHOLIZADEH, AZAM HEYDARI, MOHAMMAD HOSSEIN BINA, and AHMAD SAATCHI, “EFFECT OF HEAT TREATMENT AND B4C CARBIDE DISTRIBUTION ON CORROSION AND WEAR RESISTANCE OF NI-PLNI-B-B4C DOUBLE LAYER COATING,” ADVANCED PROCESSES IN MATERIALS, vol. 9, no. 3 (34), pp. 107–115, 2015, [Online]. Available: https://sid.ir/paper/172603/en

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