Physics

Meteorology

Nanotechnology

Temperature cycling

Coating

Deposition (geology)

Electron beam physical vapor deposition

Biology

Durability

Paleontology

Composite material

Thermal shock

Thermal barrier coating

Materials science

Thermal

Sediment

Chemical vapor deposition

Optoelectronics

Doping

Microstructure

npj Materials Degradation

LaZrCeO coatings are promising candidates to substitute Y 2 O 3 -stabilized ZrO 2 in advanced gas turbine engines. In this study, Gd doped LaZrCeO coatings were deposited by electron beam physical vapor deposition. This study focuses on the phase, microstructure, thermal property, and thermal durability of (La 1- x Gd x ) 2 (Zr 0.7 Ce 0.3 ) 2 O 7 coatings. The as-deposited coatings show relatively good thermal shock life and thermal cycling life. The broken regions are observed on the interface of thermal barrier coatings. The failure behaviors are relevant with crack evolution and thermally grown oxide growth. This study might guide the investigation of advanced coatings under high temperature.

Thermal property and failure behaviors of Gd doped LaZrCeO coatings with feathery microstructure