| 表面改性对氮化硅粉体及其涂层影响的研究 |
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| 引用本文： | 徐金鑫,刘伟.表面改性对氮化硅粉体及其涂层影响的研究[J].渤海大学学报(自然科学版),2011,32(2):148-152. |
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| 作者姓名： | 徐金鑫 刘伟 |
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| 作者单位： | 渤海大学科技实验中心,辽宁省硅材料工程技术研究中心,辽宁锦州,121013 |
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| 基金项目： | 辽宁省科技厅工程中心基金资助项目 |
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| 摘 要： | 采用正硅酸乙酯水解法在氮化硅粉体表面包覆二氧化硅进行表面改性,并用改性后的粉体在石英基体表面涂层,通过IR、TG-DTA、XRD等对其结果进行了表征,结果表明氮化硅粉体在硅溶胶中达到了良好的分散,且改性后的氮化硅粉体的抗氧性提高,烧结温度降低,且制得涂层表面光滑,附着力良好,与基体结合牢固.
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| 关 键 词： | 氮化硅 表面改性 正硅酸乙酯 涂层 |
Research of surface modification for Si3 N4 powder and its coating |
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| XU Jin-xin,LIU Wei.Research of surface modification for Si3 N4 powder and its coating[J].Journal of Bohai University:Natural Science Edition,2011,32(2):148-152. |
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| Authors: | XU Jin-xin LIU Wei |
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| Institution: | XU Jin-xin,LIU Wei(Bohai University Center for Science & Technology Experiment,Liaoning Province Silicon Materials Engineering Technology Research Centre,jinzhou 121013,Chinas) |
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| Abstract: | Si3N4 powders coated by SiO2 were prepared by hydrolysis procedure of TEOS,and by using modified powders in quartz matrix surface for coating.The Si3N4 powders modified were characterized by IR,TG/ DTA,XRD,and so on.The results showed that:the stability of suspension was improved when Si3N4 was modified;the Oxidation-Resistance was improved;the Sintering temperature was reduced;The coating with smooth surface,good adhesion and solid. |
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| Keywords: | Si3N4 surface modification TEOS coating |
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