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热障涂层技术在氧化炉上的应用
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作者 王贻谦 崔凤梅 吴世国 《中国设备工程》 2003年第3期39-39,共1页
氯化法钛白粉生产技术复杂.目前仅有少数发达国家掌握这种技术.我公司于20世纪80年代末,着手引进这种技术和主要生产装置.
关键词 热障涂层技术 氧化炉 应用
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Experimental study on the interfacial delamination in a thermal barrier coating system at elevated temperatures 被引量:1
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作者 Peng-fei ZHAO Fu-lin SHANG 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2010年第10期794-803,共10页
The failure mode and adhesion of thermal barrier coating (TBC) 8YSZ (ZrO2+8% (w/w) Y2O3) deposited on NiCoCrAlTaY bond coat by atmospheric plasma spraying were investigated. A grooved modified three-point bending spec... The failure mode and adhesion of thermal barrier coating (TBC) 8YSZ (ZrO2+8% (w/w) Y2O3) deposited on NiCoCrAlTaY bond coat by atmospheric plasma spraying were investigated. A grooved modified three-point bending specimen that can generate a single interface crack to facilitate the control of crack growth was adopted for testing, which was conducted at the ambient temperature of 100 °C. The morphology and composition of fractured surfaces were examined by means of a scanning electron microscopy (SEM) and an energy disperse spectroscopy (EDS). Images and spectrum show that cracks are initiated and propagated exclusively within YSZ layer adjacent to top/bond coat interface. The load-displacement curves obtained exhibit similar shapes that indicate two distinct stages in crack initiation and stable crack growth. Finite element analyses were performed to extract the adhesion strength of the TBCs. The delamination toughness of the plasma-sprayed 8YSZ coatings at 100 °C, in terms of critical strain energy release rate Gc, can be reliably obtained from an analytical solution. 展开更多
关键词 Thermal barrier coating (TBC) Three-point bending test Finite element analysis Delamination toughness
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