2016年1月15日 · A recently optimized air plasma spray process has been used to deposit a model tri-layer Yb2 SiO 5 /Al 6 Si 2 O 13/Si environmental barrier coating (EBC) system on α …

2022年4月1日 · Thermal environmental barrier coatings (TEBCs) are capable of protecting ceramic matrix composites (CMCs) from hot gas and steam. In this paper, a tri-layer TEBC …

2025年3月10日 · Furthermore, the volatilization of silica from feedstock powder during spraying can lead to the formation of Yb 2 SiO 5 (YbMS hereafter) with a higher CTE (7.1-7.6 × 10 −6 …

2021年12月1日 · In this paper, a tri-layer TEBC consisting of 16 mol% YO1.5 stabilized HfO2 (YSH16) as thermal barrier coating, ytterbium monosilicate (YbMS) as environmental barrier …

2024年3月19日 · The small pores and microcracks in YbMS coatings prepared by atmospheric plasma spraying technology provided diffusion channels for steam infiltration. The YbMS on …

2020年3月3日 · Nadia L.Ahlborg等 分别研究了Yb 2 SiO 5 (YbMS)和YSi 2 O 7 的表面层在1500℃ 的环境下与CMAS发生反应,发现CMAS与YbMS表面层先和晶界发生反应,并且在高温作用下, …

Phase pure Yb2Si2O7 (YbDS) was infiltrated by CMAS grain boundaries/pores, resulting in loss of its structural integrity. Yb2SiO5 (YbMS) reacted with CMAS to form either apatite …

and CMAS melts to determine the importance of factors including cat on substitution and tem- perature on the expected performance of in-service coatings. Knowledge emerging Tom these …

制备好的TEM样品必须对电子束透明，即电子束能够穿透样品，而且能代表想要研究的材料。电子透明样品的厚度是电子能量和样品平均原子序数（Z）的函数，不同样品要求的厚度会有所差 …

2014年10月1日 · Multilayer ytterbium-hafnate/silicate coatings deposited by directed vapor deposition and designed to protect SiC-based ceramic matrix composites were assessed to …