当前位置: X-MOL 学术Compos. Part A Appl. Sci. Manuf. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
In-series sample methodology for permeability characterization demonstrated on carbon nanotube-grafted alumina textiles
Composites Part A: Applied Science and Manufacturing ( IF 8.7 ) Pub Date : 2021-09-03 , DOI: 10.1016/j.compositesa.2021.106631
Jeroen Staal 1, 2 , Baris Caglar 1, 3 , Travis Hank 4 , Brian L. Wardle 4, 5 , Larissa Gorbatikh 2 , Stepan V. Lomov 2 , Véronique Michaud 1
Affiliation  

In-plane permeability of small area (100 × 50 mm) alumina fiber woven fabrics grafted with aligned carbon nanotubes (CNT) was quantified by placing them in series with a glass mat of known permeability during a flow experiment. The methodology was first validated on a reference woven textile. Permeability values matched those obtained by a direct method within a margin of ±15%. Permeabilities of radial-aligned (short CNT, SCNT) and so-called ‘Mohawk’ (long CNT, LCNT) morphologies of the CNT-grafted samples were then measured and compared to the non-grafted alumina, showing a decrease attributed to a change in local textile structure as assessed in previous studies. Unsaturated permeability decreased by 77% after SCNT- and 88% after LCNT-grafting, while saturated permeability further decreased by 90% and 93%, respectively. The high ratio of unsaturated to saturated permeability (in the range of 1.14 – 2.89) implies that capillary wicking contributes largely to the impregnation of CNT-grafted fabrics.



中文翻译:

在碳纳米管接枝氧化铝纺织品上展示的用于渗透性表征的串联样品方法

在流动实验期间,通过将它们与已知渗透率的玻璃垫串联放置,对接枝有排列的碳纳米管 (CNT) 的小面积 (100 × 50 mm) 氧化铝纤维机织织物的面内渗透率进行量化。该方法首先在参考机织纺织品上进行了验证。渗透率值与通过直接方法获得的值相匹配,误差在 ±15% 的范围内。然后测量 CNT 接枝样品的径向排列(短 CNT、SCNT)和所谓的“莫霍克”(长 CNT、LCNT)形态的渗透率,并与未接枝的氧化铝进行比较,显示由于变化而降低在先前研究中评估的局部纺织结构中。SCNT 接枝后不饱和渗透率下降了 77%,LCNT 接枝后不饱和渗透率下降了 88%,而饱和渗透率分别进一步下降了 90% 和 93%。

更新日期:2021-09-09
down
wechat
bug