Investigation on the microstructure and creep behavior of laser remelted thermal barrier coating

Laser surface modification of the thermal barrier coating was investigated with the aim of increasing creep resistance. Yttria-stabilized-zirconia (YSZ) with a CoNiCrAlY bond coat was deposited by air plasma spraying on equiaxed Ti–6Al–4V substrates. Analysis was carried out comparing uncoated sampl...

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Veröffentlicht in:	Surface & coatings technology 2019-07, Vol.369, p.257-264
Hauptverfasser:	Freitas, Filipe Estevão de, Briguente, Flávio Perpétuo, Reis, Adriano Gonçalves dos, Vasconcelos, Getúlio de, Reis, Danieli Aparecida Pereira
Format:	Artikel
Sprache:	eng
Schlagworte:	Air plasma Creep Creep rate Creep strength Creep tests Dimpling Ductile fracture Laser remelting Lasers Load resistance Mechanical properties Microhardness Scanning electron microscopy Spraying Steady state creep Substrates Thermal barrier coating Thermal barrier coatings Thickness Titanium alloys Titanium base alloys X-ray diffraction Yttria-stabilized zirconia Yttrium oxide Zirconium dioxide
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