白炭黑、B4C改性酚醛树脂粘接石墨高温性能研究

材料工程, 2001, (9): 14-17. doi: 10.3969/j.issn.1001-4381.2001.09.004

白炭黑、B4C改性酚醛树脂粘接石墨高温性能研究

王继刚 ^1, , 郭全贵 ^2, , 刘朗 ^3, , 宋进仁 ^4,

1.中国科学院山西煤炭化学研究所,

2.中国科学院山西煤炭化学研究所,

3.中国科学院山西煤炭化学研究所,

4.中国科学院山西煤炭化学研究所,

关键词：白炭黑 , B4C , 酚醛树脂 , 高温粘接剂 , 石墨

Research on Adhesion between the Adhesives Consisting ofPhenol-Formaldehyde Resin Mixed with White Carbon Blackand B4C Powders and Graphite at High Temperatures

在B4C改性酚醛树脂(phenol-formaldehyde resin,PF)高温粘接剂的基础上,向其中添加白炭黑(超细SiO2)制备新型粘接剂,并对石墨材料进行粘接和热处理,测试了不同温度热处理后的粘接强度.结果表明,2550C处理后新型粘接剂仍具有理想的耐热温度和粘接强度.利用扫描电镜(SEM)对样品断面形貌进行观察,研究了粘接界面的组成和结构变化及其与粘接性能之间的关系.实验结果表明,白炭黑的添加,对提高胶层的致密性和粘接强度具有明显的效果.

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白炭黑、B4C改性酚醛树脂粘接石墨高温性能研究

Research on Adhesion between the Adhesives Consisting ofPhenol-Formaldehyde Resin Mixed with White Carbon Blackand B4C Powders and Graphite at High Temperatures

参考文献