Designed Modification of Torch for Air-Plasma Spraying

Vu, Duong

doi:10.1007/978-3-030-99666-6_66

Cited by 1 publication

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References 11 publications

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“…Given the properties of the particle and the substrate materials, the prediction of the change in adhesion in thermal spraying can be calculated using ( 6)- (9). The second method is to use (10) and (11) to find the root of the contacting temperature given J and K L . Since the adhesion depends not only on the heating effect, but also on the plastic deformation during the collision of the melting particle on the substrate, it is useful to consider a modified model for the prediction of changes in the adhesion:…”

Section: Wwwetasrcom Vu: Prediction Of the Adhesion Strength Of Coati...mentioning

confidence: 99%

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Prediction of the Adhesion Strength of Coating in Plasma Spray Deposition

2023

Eng. Technol. Appl. Sci. Res.

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The goal of this work is to validate the existing plasma spray mathematical models, using a calculation method and the comparison with experimental data, in order to determine their validity. A preliminary evaluation of the adhesion based on the velocity and temperature of the particles is useful to be calculated by using the mathematical model. Given the thermal-physical properties and chemical composition of a Fe-based amorphous X-5 powder, a modified model was suggested. For comparison, a series of experiments using plasma spraying of the X-5 powder were conducted. The significance of the current study consists of the model validation by using the data of the plasma spraying of the Fe-based amorphous material as a potential substitution for saving production costs by using ordinary air as the plasma generation gas. The findings show the discrepancy between the models and the experimental results. The prediction of adhesion using the mathematical models does not cover essential parameters such as the enthalpy of the particle stream. It is necessary to improve the mathematical models, including the modified one, based on the experiment results, with different pairs of particles and substrate materials. The proposed formula is applicable during the preliminary design of the spray process and the development of a new torch construction.

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Section: Wwwetasrcom Vu: Prediction Of the Adhesion Strength Of Coati...mentioning

confidence: 99%

“…The general scheme of the plasma spraying system can be seen in [10]. G1 is the source of power, G2 is the plasma torch, R1 and R2 are the rotameters, V1 and V2 are the valves, N1, N2, N3, N4, and N5 are the nipples, T1 is the thermometer, and T2 is the throttle.…”

Section: Experimental Partmentioning

confidence: 99%

Prediction of the Adhesion Strength of Coating in Plasma Spray Deposition

2023

Eng. Technol. Appl. Sci. Res.

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show abstract

Designed Modification of Torch for Air-Plasma Spraying

Cited by 1 publication

References 11 publications

Prediction of the Adhesion Strength of Coating in Plasma Spray Deposition

Prediction of the Adhesion Strength of Coating in Plasma Spray Deposition

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