The Influence of the Irregular Interface Geometry on Fracture of EB-PVD Yttria-Stabilized Zirconia Coatings<bold> </bold>

被引：0
|
作者：
Panin, Alexey [1 ,2 ]
Kazachenok, Marina [1 ]
Martynov, Sergey [1 ]
Rusyaev, Andrey [1 ]
机构：
[1] RAS, Inst Strength Phys & Mat Sci, SB, Tomsk 634055, Russia
[2] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia
来源：
PROCEEDINGS OF THE ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES | 2018年 / 2051卷
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1063/1.5083469
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The analysis of images of the top and side surfaces of 3D-printed Ti-6Al-4V specimens with yttria-stabilized zirconia (YSZ) coatings deformed to different degree in uniaxial tension reveals regularities of cracking and spallation of ceramic coatings depending on the interface geometry. The surface roughness of 3D-printed specimens is varied by the electron beam treatment or mechanical grinding and polishing. It is shown that the corrugated relief formed at the surface of 3D-printed specimens prevents thermal barrier YSZ coatings from spallation and delamination under mechanical loading.<bold> </bold>
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页数：4
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