中间相沥青的预氧化对石墨化泡沫炭微裂纹的影响

新型炭材料, 2010, 25(4): 303-307.

中间相沥青的预氧化对石墨化泡沫炭微裂纹的影响

李娟 ^1, , 王灿 ^2, , 张翠翠 ^3, , 詹亮 ^4, , 乔文明 ^5, , 梁晓怿 ^6, , 凌立成 ^7,

1.华东理工大学,化学工程联合国家重点实验室,上海,200237

2.华东理工大学,化学工程联合国家重点实验室,上海,200237

3.华东理工大学,化学工程联合国家重点实验室,上海,200237

4.华东理工大学,化学工程联合国家重点实验室,上海,200237

5.华东理工大学,化学工程联合国家重点实验室,上海,200237

6.华东理工大学,化学工程联合国家重点实验室,上海,200237

7.华东理工大学,化学工程联合国家重点实验室,上海,200237

基金项目: 国家自然科学基金(50672025;5073003;20806024) 中国博士点基金(20070251008)

关键词：泡沫炭 , 中间相沥青 , 预氧化 , 微裂纹

Effect of pre-oxidation on microcracks in graphite foams

通过对萘系中间相沥青进行预氧化处理,研究族组成变化对石墨化泡沫炭微结构的影响机制.结果表明:中间相沥青经过预氧化处理后,喹啉不溶物含量提高、族组成分布变窄,导致石墨化过程中泡沫炭泡孔的孔壁、韧带处热应力的梯度差异变小,进而使得微裂纹的数量、长度及间隙减小.

参考文献

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材料期刊网

中间相沥青的预氧化对石墨化泡沫炭微裂纹的影响

Effect of pre-oxidation on microcracks in graphite foams

参考文献