Tribological properties and corrosion behavior of AC-HVAF sprayed nanostructured NiCrCoAlY-TiB2 coatings

In this paper, agglomerated and dense nanostructured NiCrCoAlY-TiB2 composite powders prepared by spray drying and plasma spheroidization were used for activated combustion high velocity air fuel (AC-HVAF) spray. The effect of sprayed powders on the microstructure, tribological properties and corros...

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Veröffentlicht in:	Surface & coatings technology 2021-01, Vol.406, p.126739, Article 126739
Hauptverfasser:	Zou, Yongming, Wu, Yaosha, Zou, Gaopeng, Wang, Gang, Zheng, Zhigang, Qiu, Zhaoguo, Liu, Min, Zeng, Dechang
Format:	Artikel
Sprache:	eng
Schlagworte:	AC-HVAF Boron oxides Coefficient of friction Corrosion behaviors Corrosion effects Corrosion resistance Corrosive wear Electrochemical impedance spectroscopy Electrode polarization Mechanical properties Microstructure Nanostructure NiCrCoAlY-TiB2 Oxide coatings Protective coatings Spheroidizing Spray drying Sprayed coatings Titanium diboride Titanium dioxide Tribological properties Tribology Wear rate Wear resistance
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