A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CMAS-RESISTANT THERMAL BARRIER COATING AND METHOD OF MAKING A COATING THEREOF
In one aspect, a calcium-magnesium alumino-silicate (CMAS)-resistant coating includes an outer coating having a plurality of columnar structures formed during material deposition due to preferential material accumulation and a plurality of generally vertically-oriented gaps separating adjacent columnar structures. The columnar structures include a plurality of randomly-oriented particle splats and a CMAS-reactive material and have a total porosity of less than five percent. The plurality of generally vertically-oriented gaps extend from an outermost surface of the outer coating to a first depth of the outer coating equal to or less than a total thickness of the outer coating. The vertically-oriented gaps have a median gap width of less than five micrometers.
CMAS-RESISTANT THERMAL BARRIER COATING AND METHOD OF MAKING A COATING THEREOF
In one aspect, a calcium-magnesium alumino-silicate (CMAS)-resistant coating includes an outer coating having a plurality of columnar structures formed during material deposition due to preferential material accumulation and a plurality of generally vertically-oriented gaps separating adjacent columnar structures. The columnar structures include a plurality of randomly-oriented particle splats and a CMAS-reactive material and have a total porosity of less than five percent. The plurality of generally vertically-oriented gaps extend from an outermost surface of the outer coating to a first depth of the outer coating equal to or less than a total thickness of the outer coating. The vertically-oriented gaps have a median gap width of less than five micrometers.
CMAS-RESISTANT THERMAL BARRIER COATING AND METHOD OF MAKING A COATING THEREOF
WESSELS KAYLAN M (author) / HAZEL BRIAN T (author) / LIU XUAN (author) / JACKSON R WESLEY (author) / ZALESKI ELISA M (author)
2019-03-14
Patent
Electronic Resource
English
CMAS-resistant thermal barrier coating and method of making a coating thereof
| European Patent Office | 2021