MODELING THE THERMAL SPRAY PROCESS FOR THE FORMATION OF SURFACE COATINGS USING THE STOCHASTIC METHODS

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KAMALI A.; TEYMOURTASH A.R.; PASSANDIDEH FARD M.

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Journal: Journal of Metallurgical and Materials Engineering Year:2011 | Volume:23 | Issue:1 Page(s): 21-34

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Information Journal Paper

Title

MODELING THE THERMAL SPRAY PROCESS FOR THE FORMATION OF SURFACE COATINGS USING THE STOCHASTIC METHODS

Author(s)

KAMALI A. | TEYMOURTASH A.R. | PASSANDIDEH FARD M. | Issue Writer Certificate

Keywords

STOCHASTIC MODELQ3

THERMAL SPRAY PROCESSQ3

COATING POROSITYQ3

COATING THICKNESSQ3

CURL UPQ3

Abstract

In this paper, a 3D STOCHASTIC MODEL has been presented to predict the COATING THICKNESS and porosity in a thermal spray coating process. Different values of processing parameters were obtained. The model was developed on the basis of prescribed rules in calculating the splat size during the impact of individual droplets on the surface of the substrate. Due to the thermal stresses produced during droplet solidification, splats were curled up in the edge regions. This mechanism was assumed to be the sole reason for the formation of porosity. The simulation was performed for a small section of the substrate. The calculated thickness and porosity were found to be in good agreement with the experimental results in this investigation, and with those already reported in the literature. The effects of different processing parameters including the gun distance from the substrate, the gun speed as well as the amount of powder feed rate on the coating properties were also investigated.

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References

NUMERICAL AND ANALYTICAL MODEL OF THE INCLINED IMPACT OF A DROPLET ON A SOLID SURFACE IN A THERMAL SPRAY COATING PROCESS

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APA: Copy

KAMALI, A., TEYMOURTASH, A.R., & PASSANDIDEH FARD, M.. (2011). MODELING THE THERMAL SPRAY PROCESS FOR THE FORMATION OF SURFACE COATINGS USING THE STOCHASTIC METHODS. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 23(1), 21-34. SID. https://sid.ir/paper/196053/en

Vancouver: Copy

KAMALI A., TEYMOURTASH A.R., PASSANDIDEH FARD M.. MODELING THE THERMAL SPRAY PROCESS FOR THE FORMATION OF SURFACE COATINGS USING THE STOCHASTIC METHODS. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2011;23(1):21-34. Available from: https://sid.ir/paper/196053/en

IEEE: Copy

A. KAMALI, A.R. TEYMOURTASH, and M. PASSANDIDEH FARD, “MODELING THE THERMAL SPRAY PROCESS FOR THE FORMATION OF SURFACE COATINGS USING THE STOCHASTIC METHODS,” JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), vol. 23, no. 1, pp. 21–34, 2011, [Online]. Available: https://sid.ir/paper/196053/en

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