Investigation of Plasma Power Effect on the Nicraly/8YSZ Coating Properties

Ahmad Kiasati; Omid Bayat; Alireza Akbari

doi:10.1134/S2070205118030309

Investigation of Plasma Power Effect on the Nicraly/8YSZ Coating Properties

作者: Kiasati A.¹, Bayat O.¹, Akbari A.¹
隶属关系:
1. Department of Metallurgical and Materials Engineering
期: 卷 54, 编号 3 (2018)
页面: 463-468
栏目: New Substances, Materials and Coatings
URL: https://journals.rcsi.science/2070-2051/article/view/204069
DOI: https://doi.org/10.1134/S2070205118030309
ID: 204069

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详细

In this study, NiCrAlY coating as a bond coat and 8YSZ coating as a top coat were applied on Inconel 718 super alloy substrates by APS method. The plasma power parameter has changed from 24.75 to 34.8 kW. The results show that with increasing the plasma power, the hardness and bond strength increase from 682 to 818 HV and 12.48 to 22.49 MPa, respectively. Also the image analysis shows that the porosity in coatings, decrease from 22.59 percent to 18 percent by increasing the plasma power.