欢迎登录材料期刊网

材料期刊网

高级检索

在C/C复合材料表面采用熔浆法制备Mo-Si系涂层的烧结过程中通入氮气,开发了Si3N4-MoSi2/Si-SiC(Mo-Si-N系)多层抗氧化涂层,并初步考察了涂层的抗氧化性能.结果表明,多层涂层的致密性主要受制于起始氮化温度.只有在Si熔点以上通入氮气,才能获得致密无缺陷的涂层.多层涂层的底层为SiC,外层为Si3N4,中间层为MoSi2/Si.这种多层涂层的抗氧化性能与涂层中MoSi2的含量有关;MoSi2含量为30%(体积分数,下同)和40%时,与真空中合成的Mo-Si涂层相比,高温抗氧化性能显著改善,抗氧化温度提高到1400℃~1450℃.

参考文献

[1] Courtright E L .[J].Surface and Coatings Technology,1994,68-69:116.
[2] Guo ML.;Zheng YD.;Shen K. .MULTILAYERED COATINGS FOR PROTECTING CARBON-CARBON COMPOSITES FROM OXIDATION[J].Carbon: An International Journal Sponsored by the American Carbon Society,1995(4):449-453.
[3] 于澍,刘根山,李溪滨,熊翔.炭/炭复合材料导热系数影响因素的研究[J].稀有金属材料与工程,2003(03):213-215.
[4] 顾正彬,李贺军,李克智,李爱军.C/C复合材料等温CVI工艺模糊神经网络建模[J].稀有金属材料与工程,2004(10):1037-1040.
[5] 何捍卫,周科朝,熊翔.C/C复合材料抗烧蚀TaC涂层的制备[J].稀有金属材料与工程,2004(05):490-493.
[6] Zhu YC.;Sato Y.;Iwamoto N.;Ohtani S. .The improvement in oxidation resistance of CVD-SiC coated C/C composites by silicon infiltration pretreatment[J].Carbon: An International Journal Sponsored by the American Carbon Society,1998(7/8):929-935.
[7] Cheng LF.;Zhang LT.;Yin XW.;Xu YD. .Preparation of an oxidation protection coating for c/c composites by low pressure chemical vapor deposition[J].Carbon: An International Journal Sponsored by the American Carbon Society,2000(10):1493-1498.
[8] Chiang Y M;Robert P et al.[J].Materials Science and Engineering A,1991,144:63.
[9] Joshi A;Lee J S .[J].Composites Part A:Applied Science and Manufacturing,1997,28:181.
[10] Fang H T;Zhu J C et al.[J].Journal of Materials Science Letters,2001,20(02):175.
[11] Fang H T;Yin Z D et al.[J].Carbon,2001,39:2035.
[12] Bacos M P .[J].Journal De Physique,1993,3:1895.
[13] Morimoto T.;Kondo M.;Ueda T.;Ogura Y. .MULTILAYER COATING FOR CARBON-CARBON COMPOSITES[J].Carbon: An International Journal Sponsored by the American Carbon Society,1995(4):351-357.
[14] Fang H T;Zhu J C et al.[J].Journal of Materials Science and Technology,2001,17(01):57.
[15] i-Young Byun;Jin-Kook Yoon;Gyeung-Ho Kim et al.[J].Scripta Materialia,2002,46:537.
[16] Seetharama C D;Naresh N T .[J].Materials Science and Engineering,1995,192-193:604.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%