STUDY OF MICROSTRUCTURE AND TRIBOLOGICAL BEHAVIOR OF THE COMPOSITE LAYER PRODUCED OF SILICON CARBIDE PARTICLES ON A STEEL ASTM A106 GTAW WELDING METHOD

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MAZAHERI HOSSEIN; FAZEL NAJAFABADI MAHMOUD; ALAEI ALIREZA

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Journal: Journal of Science and Technology of Composites Year:2015 | Volume:2 | Issue:1 Page(s): 65-72

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Title

STUDY OF MICROSTRUCTURE AND TRIBOLOGICAL BEHAVIOR OF THE COMPOSITE LAYER PRODUCED OF SILICON CARBIDE PARTICLES ON A STEEL ASTM A106 GTAW WELDING METHOD

Author(s)

MAZAHERI HOSSEIN | FAZEL NAJAFABADI MAHMOUD | ALAEI ALIREZA | Issue Writer Certificate

Keywords

GAS TUNGSTEN ARC WELDINGQ2

COATING SURFACEQ2

STEEL-SILICON CARBIDE COMPOSITEQ2

Abstract

In this study, formation of composite coating containing silicon carbide amplifiers on ASTM A106-Gr B steel surface using the GAS TUNGSTEN ARC WELDING process is investigated. Therefore silicon carbide particles with different volume percentages on the steel surface were placed and by changing the current density, melting and mixing process was done with the base metal. The study coating microstructure by optical microscopy and scanning electron microscopy (SEM) was conducted alongside the spot analysis. The result showed that the dendritic structure of the resulting coating contains silicon carbide is capable of reinforcing that could be improved hardness and wear behavior of the coatings. Hard coatings by a micro-hardness measurement and with slab vickers and wear behavior of the coatings was evaluated by testing the wear-trip basis. Microhardness test results showed increased hardness was created (about 650 to 1150 Vickers) compared to uncoated samples (about 200 Vickers) is. Reviews wear behavior of coatings represent significant improvements in wear behavior of is added silicon carbide reinforcement. The main wear mechanism of uncoated samples delamination wear and surface oxidation and the samples were coated with a mixture of delamination wear, surface oxidation and adhesive wear were detected.

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APA: Copy

MAZAHERI, HOSSEIN, FAZEL NAJAFABADI, MAHMOUD, & ALAEI, ALIREZA. (2015). STUDY OF MICROSTRUCTURE AND TRIBOLOGICAL BEHAVIOR OF THE COMPOSITE LAYER PRODUCED OF SILICON CARBIDE PARTICLES ON A STEEL ASTM A106 GTAW WELDING METHOD. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), 2(1), 65-72. SID. https://sid.ir/paper/251648/en

Vancouver: Copy

MAZAHERI HOSSEIN, FAZEL NAJAFABADI MAHMOUD, ALAEI ALIREZA. STUDY OF MICROSTRUCTURE AND TRIBOLOGICAL BEHAVIOR OF THE COMPOSITE LAYER PRODUCED OF SILICON CARBIDE PARTICLES ON A STEEL ASTM A106 GTAW WELDING METHOD. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC)[Internet]. 2015;2(1):65-72. Available from: https://sid.ir/paper/251648/en

IEEE: Copy

HOSSEIN MAZAHERI, MAHMOUD FAZEL NAJAFABADI, and ALIREZA ALAEI, “STUDY OF MICROSTRUCTURE AND TRIBOLOGICAL BEHAVIOR OF THE COMPOSITE LAYER PRODUCED OF SILICON CARBIDE PARTICLES ON A STEEL ASTM A106 GTAW WELDING METHOD,” JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), vol. 2, no. 1, pp. 65–72, 2015, [Online]. Available: https://sid.ir/paper/251648/en

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