Improved Hardness and Wear Resistance of Steel ASTM A-106 Using GTAW Welding of SiC Particles

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MAZAHERI HOSSEIN; FAZEL MAHMOUD; ALAEI ALIREZA

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Journal: PETROLEUM RESEARCH Year:2017 | Volume:26 | Issue:89 Page(s): 116-127

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Title

Improved Hardness and Wear Resistance of Steel ASTM A-106 Using GTAW Welding of SiC Particles

Author(s)

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

Keywords

Gas Tungsten Arc WeldingQ1

Coating SurfaceQ1

Steel/Silicon Carbide CompositeQ1

Abstract

In this study, formation of composite coating containing silicon carbide amplifiers on ASTM A106-Gr B steel surface was investigated using the Gas Tungsten Arc Welding process. Therefore silicon carbide particles with different volume percentages on the steel surface were placed, and by changing the current density, melting and mixing process were done with the base metal. The study coating microstructure by optical microscopy and scanning electron microscopy (SEM) was conducted alongside the spot analysis. The results showed that the dendritic structure of the resulting coating which contained silicon carbide is capable of reinforcing. Besides, the capability of reinforcing 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 that increased hardness was created (about 650 to 1200 Vickers) to compare with uncoated samples (about 200 Vickers) is. Conducting reviews of wear behavior of coatings represents significant improvements in their wear behavior due to the effect of adding silicon carbide reinforcement. The main wear mechanism of uncoated delamination wear samples, surface oxidation and the samples which were coated with a mixture of delamination wear, surface oxidation and adhesive wear were detected.

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APA: Copy

MAZAHERI, HOSSEIN, FAZEL, MAHMOUD, & ALAEI, ALIREZA. (2017). Improved Hardness and Wear Resistance of Steel ASTM A-106 Using GTAW Welding of SiC Particles. PETROLEUM RESEARCH, 26(89 ), 116-127. SID. https://sid.ir/paper/114747/en

Vancouver: Copy

MAZAHERI HOSSEIN, FAZEL MAHMOUD, ALAEI ALIREZA. Improved Hardness and Wear Resistance of Steel ASTM A-106 Using GTAW Welding of SiC Particles. PETROLEUM RESEARCH[Internet]. 2017;26(89 ):116-127. Available from: https://sid.ir/paper/114747/en

IEEE: Copy

HOSSEIN MAZAHERI, MAHMOUD FAZEL, and ALIREZA ALAEI, “Improved Hardness and Wear Resistance of Steel ASTM A-106 Using GTAW Welding of SiC Particles,” PETROLEUM RESEARCH, vol. 26, no. 89 , pp. 116–127, 2017, [Online]. Available: https://sid.ir/paper/114747/en

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