Creep deformation mechanism of cryomilled NiCrAlY bond coat material

Autor:	Amiya K. Mukherjee, Julie M. Schoenung, L. Ajdelsztajn, Dustin M. Hulbert
Rok vydání:	2007
Předmět:	Bond coat Thermal barrier coating Materials science Creep Service life Metallurgy Materials Chemistry Surfaces and Interfaces General Chemistry Dislocation Condensed Matter Physics Surfaces Coatings and Films Grain Boundary Sliding
Zdroj:	Surface and Coatings Technology. 201:9462-9467
ISSN:	0257-8972
DOI:	10.1016/j.surfcoat.2007.03.054
Popis:	The effect of cryomilled bond coat material (MCrAlY) on the improvement of service life of Thermal Barrier Coatings (TBCs) was investigated. Creep resistance of the bond coat was greatly increased by the dispersoids formed during cryomilling. The creep mechanisms were found to be based on dislocation detachment from dispersoids for the cryomilled sample and grain boundary sliding for the conventional one. The results suggest that creep behavior has a great influence on the thermo-mechanical properties of the TBC.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::d834e9b2ce2828d2a595d09466ef72e1 https://doi.org/10.1016/j.surfcoat.2007.03.054 Zobrazit plný text záznamu Full Text from ScienceDirect