Tensile Properties of Polyimide Composites Incorporating Carbon Nanotubes Grafted and Polyimide Coated Carbon Fibers
Tensile Properties of Polyimide Composites Incorporating Carbon Nanotubes Grafted and Polyimide Coated Carbon Fibers
复制标题
碳纳米管接枝和聚酰亚胺涂层碳纤维聚酰亚胺复合材料的拉伸性能
DOI：
10.1007/s11665-014-1110-9
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发表时间：
2014
影响因子：
2.3
通讯作者：
K. Naito
中科院分区：
文献类型：
--
作者：
Kenjiro SUGIO;Nariaki KAWANO;Takaaki HIROSE;Yong-Bum CHOI and Gen SASAKI;K. Naito
研究了碳纳米管接枝（CNT接枝）和聚酰亚胺包覆（PI包覆）的高拉伸强度聚丙烯腈（PAN）基（T1000 GB）和高模量沥青基（K13 D）碳纤维的聚酰亚胺复合束的拉伸性能和断裂行为。采用化学气相沉积法在碳纤维表面生长了碳纳米管。采用高温气相沉积聚合法在碳纤维表面制备了均苯四甲酸二酐/4，4 ′-二氨基二苯醚PI纳米涂层。结果清楚地表明，CNT接枝和PI涂覆对于提高T1000 GB PAN基和K13 D沥青基碳纤维束复合材料的Weibull模量是有效的。此外，PI涂覆的T1000 GB碳纤维束复合材料的平均拉伸强度也高于原样碳纤维束复合材料的平均拉伸强度，而CNT接枝的T1000 GB、K13 D和PI涂覆的K13 D碳纤维束复合材料的平均拉伸强度与原样碳纤维束复合材料的平均拉伸强度相似。
The tensile properties and fracture behavior of polyimide composite bundles incorporating carbon nanotubes-grafted (CNT-grafted) and polyimide-coated (PI-coated) high-tensile-strength polyacrylonitrile (PAN)-based (T1000GB), and high-modulus pitch-based (K13D) carbon fibers were investigated. The CNT were grown on the surface of the carbon fibers by chemical vapor deposition. The pyromellitic dianhydride/4,4′-oxydianiline PI nanolayer coating was deposited on the surface of the carbon fiber by high-temperature vapor deposition polymerization. The results clearly demonstrate that CNT grafting and PI coating were effective for improving the Weibull modulus of T1000GB PAN-based and K13D pitch-based carbon fiber bundle composites. In addition, the average tensile strength of the PI-coated T1000GB carbon fiber bundle composites was also higher than that of the as-received carbon fiber bundle composites, while the average tensile strength of the CNT-grafted T1000GB, K13D, and the PI-coated K13D carbon fiber bundle composites was similar to that of the as-received carbon fiber bundle composites.