The effect of YB4 addition in ZrB2-SiC composites on the mechanical properties and oxidation performance tested up to 2000 °C
作者： Zuzana Kováčová , Ľubomír Orovčík , Jaroslav Sedláček , Ľuboš Bača , Edmund Dobročka
DOI: 10.1016/J.JEURCERAMSOC.2020.03.060
关键词:
摘要: Abstract The influence of YB4 and Y2O3 on densification, mechanical properties oxidation performance ZrB2-SiC (ZS) composite was studied. tests were performed in static air up to temperature 1650 °C for 1 h as well under dynamic conditions oxyacetylene torch at 2000 °C. Static ZS led the formation protective silica-based glass surface. However, ablation showed absence silica centre. Only dense zirconia layer left top ZS. Composites with Y-containing additives exhibited significantly inferior conditions, since severe spallation deeper degradation material observed. On contrary, depth after comparable Samples covered by solid solution yttria. Due very low vapor pressure, yttria-based products are interest considering even higher application temperatures exceeding
sci-hub.st 参考文章(62)
Leopold Gmelin, Ekkehard Fluck, Gmelin handbook of inorganic and organometallic chemistry Springer-Verlag. ,(1975)
Qiangqiang Guo, Huimin Xiang, Xin Sun, Xiaohui Wang, Yanchun Zhou, Preparation of porous YB4 ceramics using a combination of in-situ borothermal reaction and high temperature partial sintering Journal of The European Ceramic Society. ,vol. 35, pp. 3411- 3418 ,(2015) , 10.1016/J.JEURCERAMSOC.2015.05.023
Behzad Nayebi, Mehdi Shahedi Asl, Mahdi Ghassemi Kakroudi, Mohammadreza Shokouhimehr, Temperature dependence of microstructure evolution during hot pressing of ZrB2–30 vol.% SiC composites International Journal of Refractory Metals & Hard Materials. ,vol. 54, pp. 7- 13 ,(2016) , 10.1016/J.IJRMHM.2015.06.017
D.D. Jayaseelan, E. Zapata-Solvas, R.J. Chater, W.E. Lee, Structural and compositional analyses of oxidised layers of ZrB2-based UHTCs Journal of The European Ceramic Society. ,vol. 35, pp. 4059- 4071 ,(2015) , 10.1016/J.JEURCERAMSOC.2015.07.026
Nathan S. Jacobson, High-temperature durability considerations for HSCT combustor ,(1992)
R. F. Giese, V. I. Matkovich, J. Economy, The crystal structure of YB4 Zeitschrift Fur Kristallographie. ,vol. 122, pp. 423- 432 ,(1965) , 10.1524/ZKRI.1965.122.5-6.423
Junguo Li, Aiyi Peng, Yong He, Huiping Yuan, Qilong Guo, Qiang Shen, Liangmeng Zhang, Synthesis of Pure YB4 Powder via the Reaction of Y2O3 with B4C Journal of the American Ceramic Society. ,vol. 95, pp. 2127- 2129 ,(2012) , 10.1111/J.1551-2916.2012.05272.X
R. J. BRATTON, Defect Structure of Y2O3‐ZrO2 Solid Solutions Journal of the American Ceramic Society. ,vol. 52, pp. 213- 213 ,(1969) , 10.1111/J.1151-2916.1969.TB13368.X
M. M. Opeka, I. G. Talmy, J. A. Zaykoski, Oxidation-based materials selection for 2000°C + hypersonic aerosurfaces: Theoretical considerations and historical experience Journal of Materials Science. ,vol. 39, pp. 5887- 5904 ,(2004) , 10.1023/B:JMSC.0000041686.21788.77
K. Niihara, R. Morena, D. P. H. Hasselman, Evaluation ofKIc of brittle solids by the indentation method with low crack-to-indent ratios Journal of Materials Science Letters. ,vol. 1, pp. 13- 16 ,(1982) , 10.1007/BF00724706