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真空 ›› 2021, Vol. 58 ›› Issue (5): 62-65.doi: 10.13385/j.cnki.vacuum.2021.05.10

• 薄膜 • 上一篇    下一篇

等静压石墨表面SiC涂层的制备与性能表征

吴忠举, 白枭, 成洋洋, 周社柱   

  1. 山西中电科新能源技术有限公司,山西 太原 030024
  • 收稿日期:2021-01-05 出版日期:2021-09-25 发布日期:2021-09-23
  • 作者简介:吴忠举(1983-),男,黑龙江省牡丹江市人,硕士,工程师。

Preparation and Characterization of SiC Coating on Isostatic Pressing Formed Graphite Surface

WU Zhong-ju, BAI Xiao, CHENG Yang-yang, ZHOU She-zhu   

  1. Shanxi New Energy Technology of CETC Co. , Ltd. , Taiyuan 030024, China
  • Received:2021-01-05 Online:2021-09-25 Published:2021-09-23

摘要: 为提高炭素材料的抗氧化性能,采用喷涂法在等静压石墨基体上制备了SiC涂层,研究了涂层浆料中硅、碳比例对SiC涂层物相组成、微观形貌以及抗氧化性能的影响。通过XRD、SEM和氧化实验分析表明:喷涂法制备的SiC涂层主要由3C-SiC、C和少量Si组成,且随着反应浆料中碳粉比例的升高,涂层与基体之间的渗入比例逐渐降低。当硅、碳比为1∶0.3时,基体表面可生成较为充足的SiC产物,且结合性较好,在1500℃下氧化120min的氧化失重率为7.5%。

关键词: 等静压石墨, 喷涂法, SiC涂层, 抗氧化性能

Abstract: In order to improve the oxidation resistance of carbon materials, SiC coating was prepared on isostatic pressing formed graphite matrix by spraying method. The effects of the ratio of silicon to carbon in coating slurry on the phase composition, microstructure and oxidation resistance of SiC coating were studied. The results of XRD, SEM and oxidation experiments show that the SiC coating prepared by spraying method is mainly composed of 3C-SiC, C and a small amount of Si, and with the increase of the proportion of carbon powder in the reaction slurry, the infiltration ratio between the coating and matrix decreases gradually. When the ratio of silicon to carbon is 1∶0.3, sufficient SiC products can be formed on the substrate surface and the binding property is better. The oxidation weight loss rate of oxidation at 1500℃ for 120min is 7.5%.

Key words: isostatic pressing formed graphite, spraying method, SiC coating, oxidation resistance

中图分类号: 

  • TB321
[1] 李明宇, 李平, 张启彪, 等. 我国光伏发电与硅晶体生长用等静压石墨[A]. 中国电工技术学会碳石墨材料专业委员会.第22届炭—石墨材料学术会论文集[C]. 中国电工技术学会, 2010: 7.
[2] 程皓, 白鸽, 赵杉, 等. 碳化硅涂层在单晶硅用炭/炭热场材料中的应用及研究进展[J]. 炭素技术, 2020, 39(3): 6-8+24.
[3] 苏君明, 周绍建, 李瑞珍, 等. 工程应用C/C复合材料的性能分析与展望[J]. 新型炭材料, 2015, 30(2): 106-114.
[4] 周蔺桐. 多晶硅铸锭炉内耐高温部件涂层制备研究[D]. 南昌: 南昌大学, 2012.
[5] ZHOU W, XIAO P, LUO W, et al.Microstructural evolution of SiC coating on C/C composites exposed to 1500℃in ambient air[J]. Ceramics International, 2018, 45(1).
[6] 方成. 碳纤维表面C和SiC涂层的制备及性能分析[D]. 哈尔滨: 哈尔滨工业大学, 2016.
[7] 付前刚, 石慧伦. C/C复合材料表面耐高温抗氧化硅基陶瓷涂层研究进展[J]. 航空材料学报, 2021, 41(3): 1-10.
[8] 孙国栋, 李贺军, 付前刚, 等. 带有SiC涂层的C/C复合材料的氧化行为[J]. 固体火箭技术, 2010, 33(1): 91-94.
[9] LI L, LI H J, LIN H J, et al.Comparison of the oxidation behaviors of SiC coatings on C/C composites prepared by pack cementation and chemical vapor deposition[J]. Surface & Coatings Technology, 2016, 302.
[10] ZHOU L, FU Q G, HU D, et al.Oxidation protective SiC-Si coating for carbon/carbon composites by gaseous silicon infiltration and pack cementation: A comparative investigation[J]. Journal of the European Ceramic Society, 2020, 7, 40.
[11] 周建光. C/C复合材料抗氧化SiC涂层的制备与评价[D]. 大连: 大连理工大学, 2019.
[12] 贾林涛, 王梦千, 朱界, 等. 化学气相沉积法从MTS-H2-N2前驱体制备碳化硅涂层[J]. 陶瓷学报, 2020, 41(2): 257-263.
[13] KANG P C, CHEN G Q, ZHANG B, et al.Oxidation protection of carbon fibers by a reaction sintered nanostracture SiC coatin[J]. Surface & Coatings Technology, 2011, 206(2-3): 305-311.
[14] CHENG C, LI H, FU Q, et al.Effect of Al2O3 on the densification and oxidation behavior of SiC coating for carbon/carbon composites[J]. Ceramics International, 2018: 12702-12708.
[15] 付前刚, 李贺军, 沈学涛, 等. 国内C/C复合材料基体改性研究进展[J]. 中国材料进展, 2011(11): 6-12.
[16] 杨凡, 谢奥林, 张贝, 等. C/C复合材料密度及预氧化处理对SiC涂层的影响[J]. 粉末冶金材料科学与工程, 2021, 26(2): 132-138.
[17] 殷玲, 郭顺, 张武装, 等. 包埋法制备SiC涂层内残留Si的高温抗氧化作用机制[J]. 复合材料学报, 2012, 29(1): 91-97.
[18] 瞿策, 付善龙, 王延相, 等. SiC改性涂层石墨基体表面抗氧化性能研究[J]. 炭素, 2017(4): 21-26.
[19] 赵天晨, 李鹏飞, 王政鑫, 等. 高温碳化硅陶瓷涂层的制备和性能[J]. 沈阳理工大学学报, 2017, 36(4): 54-56+72.
[20] 殷玲, 郭顺, 张武装, 等. 包埋法制备SiC涂层内残留Si的高温抗氧化作用机制[J]. 复合材料学报, 2012, 29(1): 91-97.
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