TY - JOUR
T1 - An online multi-spectrum-based method for evaluating thermal insulation performance of smart thermal barrier coatings
AU - Liu, Jianyu
AU - Quan, Yongkai
AU - Xu, Guoqiang
AU - Liu, Xinhua
AU - Chai, Jieming
AU - Yin, Qiuyang
AU - Liu, Jichen
AU - Zhou, Jianjun
N1 - Publisher Copyright:
© 2024 The Author(s)
PY - 2024/5/15
Y1 - 2024/5/15
N2 - The increasing working temperature of aero-engines demands the development of high-performance thermal barrier coating (TBC). However, one inherent obstacle is the precise evaluation of thermal insulation performance, which affects TBCs’ full lifespans. Here, we report an online multi-spectrum-based method that relies on the temperature-dependent laser-induced phosphorescence from rare earth ions doped into the ceramic coat for precisely evaluating the thermal insulation performance of smart thermal barrier coatings (STBCs). Taking a 20-μm-thick STBC at the thermal gradient of 1.0 K/μm as an example, the evaluation accuracy can be improved by 10 K when this method with high versatility and adaptability is utilized. Furthermore, a complete STBC full-lifespan management framework is established to realize intelligent and synergistic operations. This study sets up a paradigm for performance evaluation, life prediction, and health prognostics throughout the TBC's full lifespan, which can advance the development of aero-engines and related rotating machinery.
AB - The increasing working temperature of aero-engines demands the development of high-performance thermal barrier coating (TBC). However, one inherent obstacle is the precise evaluation of thermal insulation performance, which affects TBCs’ full lifespans. Here, we report an online multi-spectrum-based method that relies on the temperature-dependent laser-induced phosphorescence from rare earth ions doped into the ceramic coat for precisely evaluating the thermal insulation performance of smart thermal barrier coatings (STBCs). Taking a 20-μm-thick STBC at the thermal gradient of 1.0 K/μm as an example, the evaluation accuracy can be improved by 10 K when this method with high versatility and adaptability is utilized. Furthermore, a complete STBC full-lifespan management framework is established to realize intelligent and synergistic operations. This study sets up a paradigm for performance evaluation, life prediction, and health prognostics throughout the TBC's full lifespan, which can advance the development of aero-engines and related rotating machinery.
KW - full lifespan management
KW - laser-induced phosphorescence
KW - smart thermal barrier coating
KW - temperature measurement
KW - thermal insulation performance
UR - https://www.scopus.com/pages/publications/85193023928
U2 - 10.1016/j.xcrp.2024.101958
DO - 10.1016/j.xcrp.2024.101958
M3 - 文章
AN - SCOPUS:85193023928
SN - 2666-3864
VL - 5
JO - Cell Reports Physical Science
JF - Cell Reports Physical Science
IS - 5
M1 - 101958
ER -