|Table of Contents|

Study on structure and properties of zirconia thermal barrier coating(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2013年06期
Page:
48-54
Research Field:
工艺与材料
Publishing date:

Info

Title:
Study on structure and properties of zirconia thermal barrier coating
Author(s):
PAN Zhao-yi;  LI Hu-lin;  HE Bin
Xi’an Space Engine Factory, Xi’an 710100, China
Keywords:
zirconia coating;  thermal insulation capacity;  thermal shock resistance;  failure mecha- nism
PACS:
V434-34
DOI:
-
Abstract:
The failure mechanism of thermal barrier coatings was analyzed based on the research of adhesive strength, thermal insulation property and thermal shock resistance performance of zirconia thermal barrier coating (8YSZ, ZrO2+8%Y2O3) on hot end parts of liquid engine. A conclusion that the mechanical property, thermal insulation capacity and thermal shock resistance performance of thermal barrier coatings prepared by nano powders are better than those of the traditional thermal barrier coatings prepared by micron powders is offered in this paper by analyzing the difference of the two kinds of coatings. The technology of thermal barrier coatings prepared by nano powders is important for the research of new thermal barrier coatings.

References:

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