The Effect of Platinum Layer and Aluminizing Process on Surface Roughness of Coated Superalloy by Pt-Al

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Barjesteh M.; ABBASI S.M.; ZANGENEH MADAR K.; SHIRVANI K.

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Paper Information

Journal: ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL) Year:2019 | Volume:38 | Issue:2 Page(s): 35-53

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Title

The Effect of Platinum Layer and Aluminizing Process on Surface Roughness of Coated Superalloy by Pt-Al

Author(s)

Barjesteh M. | ABBASI S.M. | ZANGENEH MADAR K. | SHIRVANI K. | Issue Writer Certificate

Keywords

Rene80Q1

Platin-AluminideQ1

Coating MicrostructureQ2

Surface RoughnessQ2

Abstract

In this study, the effect of platinum-aluminide coating parameters on Surface Roughness of nickel-based superalloy Rene ® 80 was evaluated. For this purpose, different thicknesses of Pt-layer (2, 4, 6 and 8µ m) were plated on the Samples. Then diffusion aluminide coating in two types, high tempeature-low activity and low temperature-high activity was performed. The results of structural investigations by scanning electron microscope and X-Ray diffraction indicated a three-zone structure of coating in all thicknesses of platinum layer, as well as in the two methods of aluminizing. Surface Roughness of coatings was measured in three steps: 1-after Pt plating, 2-after Pt diffusion, and 3-after aluminizing and final aging. The results showed that the thickness of Pt and the final thickness of the coating directly affected the Surface Roughness. The minimum Surface Roughness was created by high temperature low activity with 2µ of Pt-layer (2. 6μ m) and the maximum of Surface Roughness was obtained in low-temperature high activity with 8µ of the Pt-layer (8. 8 μ m).

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APA: Copy

Barjesteh, M., ABBASI, S.M., ZANGENEH MADAR, K., & SHIRVANI, K.. (2019). The Effect of Platinum Layer and Aluminizing Process on Surface Roughness of Coated Superalloy by Pt-Al. ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL), 38(2 ), 35-53. SID. https://sid.ir/paper/163190/en

Vancouver: Copy

Barjesteh M., ABBASI S.M., ZANGENEH MADAR K., SHIRVANI K.. The Effect of Platinum Layer and Aluminizing Process on Surface Roughness of Coated Superalloy by Pt-Al. ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL)[Internet]. 2019;38(2 ):35-53. Available from: https://sid.ir/paper/163190/en

IEEE: Copy

M. Barjesteh, S.M. ABBASI, K. ZANGENEH MADAR, and K. SHIRVANI, “The Effect of Platinum Layer and Aluminizing Process on Surface Roughness of Coated Superalloy by Pt-Al,” ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL), vol. 38, no. 2 , pp. 35–53, 2019, [Online]. Available: https://sid.ir/paper/163190/en

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