以酚醛树脂(phenol-formaldehyde resin,PF)和碳化硼(B4C)为原料的高温粘结剂对炭材料具有良好的粘接性能.利用XPS手段,对不同温度热处理后的粘接部件的化学结构及其变化进行了分析.结果表明,酚醛树脂炭化为无定型碳,形成粘接胶层的骨架结构,并随着热处理温度的提高,有序化程度提高,从而提高了粘接界面的相容性.而B4C与酚醛树脂炭化过程中释放出来的含氧小分子反应而氧化生成了B2O3.B2O3的形成,使粘接界面上实现了化学键合连接.
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