THE EFFECT OF PLASMA SPRAYING CURRENT ON THE CHARACTERISTICS OF ALUMINA-TITANIA COMPOSITE COATING PREPARED BY THE ATMOSPHERIC PLASMA SPRAYING TECHNIQUE

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GHEIRATIY M.; FATHI M.H.; AHMADI A.; NAHVI S.M.

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Journal: IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING Year:2015 | Volume:11 | Issue:24 Page(s): 35-50

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Title

THE EFFECT OF PLASMA SPRAYING CURRENT ON THE CHARACTERISTICS OF ALUMINA-TITANIA COMPOSITE COATING PREPARED BY THE ATMOSPHERIC PLASMA SPRAYING TECHNIQUE

Author(s)

GHEIRATIY M. | FATHI M.H. | AHMADI A. | NAHVI S.M. | Issue Writer Certificate

Keywords

PLASMA SPRAYQ2

ALUMINA-TITANIA COATINGQ2

MECHANICAL PROPERTIESQ2

MORPHOLOGYQ2

FED PARTICLES TEMPERATUREQ2

Abstract

In this study, it was attempted to design a composite coating based on Alumina-Titania, and evaluate the effect of spraying current on coating properties in order to obtain the best conditions to improve the in-flight behavior of Particles, MECHANICAL PROPERTIES and MORPHOLOGY of PLASMA SPRAYed coatings. Alumina-Titania composite coatings were prepared via PLASMA SPRAY technique using different input powers (600, 700 and 800 A). Characterization of prepared coatings was performed using X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. Also microhardness and strength adhesion of the composite coatings was studied. Three dimensional (3D) numerical models were developed to study the temperature of fed particles. The investigation showed that the composite coating sprayed at a current of 700 A it possessed the best quality in terms of amount of porosity and the surface MORPHOLOGY and the most value of MECHANICAL PROPERTIES. In this current, Particles with Appropriate and optimal velocity of 139 m/s has collided on the surface of coating. Also microhardness and adhesion strength of the coating is increased to the value of 1409 HV1.9 and 28 MPa Respectively.

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APA: Copy

GHEIRATIY, M., FATHI, M.H., AHMADI, A., & NAHVI, S.M.. (2015). THE EFFECT OF PLASMA SPRAYING CURRENT ON THE CHARACTERISTICS OF ALUMINA-TITANIA COMPOSITE COATING PREPARED BY THE ATMOSPHERIC PLASMA SPRAYING TECHNIQUE. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, 11(24), 35-50. SID. https://sid.ir/paper/121030/en

Vancouver: Copy

GHEIRATIY M., FATHI M.H., AHMADI A., NAHVI S.M.. THE EFFECT OF PLASMA SPRAYING CURRENT ON THE CHARACTERISTICS OF ALUMINA-TITANIA COMPOSITE COATING PREPARED BY THE ATMOSPHERIC PLASMA SPRAYING TECHNIQUE. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING[Internet]. 2015;11(24):35-50. Available from: https://sid.ir/paper/121030/en

IEEE: Copy

M. GHEIRATIY, M.H. FATHI, A. AHMADI, and S.M. NAHVI, “THE EFFECT OF PLASMA SPRAYING CURRENT ON THE CHARACTERISTICS OF ALUMINA-TITANIA COMPOSITE COATING PREPARED BY THE ATMOSPHERIC PLASMA SPRAYING TECHNIQUE,” IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, vol. 11, no. 24, pp. 35–50, 2015, [Online]. Available: https://sid.ir/paper/121030/en

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