Effect of bias voltage on the oxidation resistance of NiCoCrAlYTa coatings prepared by arc ion plating

•With an increase in bias voltage, the oxidation resistance of the NiCoCrAlYTa coating by arc ion plating significantly decreased although the coating became dense•Ta played a detrimental role on the oxidation behaviour at the latter stage of the oxidation process since it could accelerate the degra...

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Veröffentlicht in:	Corrosion science 2019-02, Vol.147, p.330-341
Hauptverfasser:	Xie, Shiming, Dai, Mingjiang, Lin, Songsheng, Shi, Qian, Song, Chen, Hou, Huijun, Qiu, Wanqi, Wang, Yuncheng
Format:	Artikel
Sprache:	eng
Schlagworte:	Al2O3 layer Aluminum oxide Arc ion plating Bias Bias voltage Coating effects Electric potential Ion plating NiCoCrAlYTa coating Oxidation Oxidation resistance Protective coatings Superalloys
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