In recent years, discarded Mosi2 heating elements have been used to replace traditional Mosi2 in high temperature resistant coatings. In addition to MoSi2 phase, a small amount of SiO2 with high-temperature self-healing ability and Al2O3 phase which can be used as penetration enhancer were also found, the oxidation protection ability of the coating on Mo substrate can be improved by using it as raw material. However, although the ZrB2-SiC coating modified by waste MoSi2 powder has the potential to improve the oxygen resistance of the coating based on the recycling of Mo resources, however, the effect of waste MoSi2 powder addition on the oxygen-barrier structure and the oxygen-barrier ability of ZrB2-SiC-MoSi2 ZrB2-SiC-MoSi2coating is not clear. In this paper, ZrB2-SiC composite coating modified by waste MoSi2 powder was prepared on graphite substrate by spark plasma sintering (SPS) , the oxidation protection mechanism of coating samples in 1700 °C air was analyzed. High-temperature oxidation resistance of spent MoSi2 modified ZrB2-SiC-MoSi2 coatings prepared by Spark Plasma Sintering was published in Ceramics International (JCR Q 1, if = 5.2)
Fig. 1 Waste Mosi2 Powder: (a) microstructure, (b)-(E) EPMA image, (f) XRD pattern;
Title: High temperature oxidation resistance of MoSi2 modified ZrB2-SiC-MoSi2 coating prepared by spark plasma sintering
Author: Chenhao Mao，Xuanru Ren，Xiang Ji，Leihua Xu，Xiaoye Wang，Nana Zhu，Ping Zhang, Peizhong Feng
Link: https://www.sciencedirect.com/science/article/abs/pii/S027288422302206X?via%3Dihub
DOI: 10.1016/J.CERAMINT.2023.07.265
If you want to get the PDF version, please contact the Email:1499497603@qq.com