Rapid heat treatment to improve the thermal shock resistance of ZrO2 coating for SiC coated carbon/carbon composites

2016 ◽  
Vol 285 ◽  
pp. 24-30 ◽  
Author(s):  
Jia-Ping Zhang ◽  
Qian-Gang Fu ◽  
Peng-Fei Zhang ◽  
Jun-Ling Qu ◽  
Rui-Mei Yuan ◽  
...  
2017 ◽  
Vol 43 (18) ◽  
pp. 16512-16517 ◽  
Author(s):  
Liyun Cao ◽  
Jintao Liu ◽  
Jianfeng Huang ◽  
Lei Zhou ◽  
Xiang Yong ◽  
...  

2006 ◽  
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Masashi Wada ◽  
Satoshi Kitaoka ◽  
Naoki Kawashima ◽  
Tatsuya Yamada ◽  
Yoshiyuki Yasutomi ◽  
...  

1994 ◽  
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J.P. Qian ◽  
L.P. Lu ◽  
P.Y. Li ◽  
L. Lu ◽  
W. Cui ◽  
...  

2012 ◽  
Vol 538-541 ◽  
pp. 359-362
Author(s):  
Qing Mei Jia ◽  
Yong Hong Tang ◽  
Ke Nan Meng

The SiO2-ZrO2-Al2O3-Cr2O3 film is coated on the surface of stainless steel using analytical reagent TEOS, ZrOCl2·8H2O, Al(NO3)3·9H2O and Cr(NO3)3·9H2O as precursor and basing on mole ratio to calculate through Sol-gel method. The phase transformation behavior,erosion resistance,thermal shock resistance and abrasion resistance of ceramic coating by different heat treatment are studied. The results show that: 1)The SiO2-ZrO2-Al2O3-Cr2O3 gel coatings has non-crystalline structure after the treatment at 700°C and 800°C. New substance is not created below 700°C 2) The stainless steel substrate with ceramic coating has a higher erosion resistance at high temperature (700°Cand 800°C)than that without coating.3) Thermal shock resistance of the samples treated in 700°C is the best which has reached within 17-21cycles (900°C, air cooling). 4) The stainless steel substrate with ceramic coating has a higher abrasion resistance than that without coating. The samples treated at 700°Cand 800°C have the best abrasion resistance.


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