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High-velocity impact properties of multi-walled carbon nanotubes/E-glass fiber/epoxy anisogrid composite panels | ||
| Journal of Computational & Applied Research in Mechanical Engineering (JCARME) | ||
| مقاله 6، دوره 9، شماره 2 - شماره پیاپی 18، اردیبهشت 2020، صفحه 235-243 اصل مقاله (827.28 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22061/jcarme.2018.3646.1425 | ||
| نویسندگان | ||
| Hamed Khosravi1؛ Reza Eslami-Farsani* 2 | ||
| 1Department of Materials Engineering, Faculty of Engineering, University of Sistan and Baluchestan, Zahedan, Iran | ||
| 2Associate Prof., Faculty of Materials Science and Engineering, K. N. Toosi University of Technology, Tehran, Iran | ||
| تاریخ دریافت: 30 اردیبهشت 1397، تاریخ بازنگری: 15 آبان 1397، تاریخ پذیرش: 19 آبان 1397 | ||
| چکیده | ||
| This work reports the high-velocity impact response of multiscale anisogrid composite (AGC) panels. The aim of the present study is to evaluate the influence of surface-modified multi-walled carbon nanotubes (S-MWCNTs) at different S-MWCNTs contents (0-0.5 wt.% at an interval of 0.1 wt.%) on the high-velocity impact responses of E-glass/epoxy AGC. Surface modification of MWCNTs is confirmed by Fourier-transform infrared (FTIR) and thermogravimetric (TGA) analyses. AGC panels were fabricated via a manual filament winding technique. E-glass fiber roving and E-glass woven fabric are employed as reinforcing agents in ribs and skin, respectively. The impact test is done on the composite panels by a cylindrical projectile with a conical nose. The results showe that the highest enhancement in the impact characteristics is attributed to the panel containing 0.4 wt.% S-MWCNTs. Based on the analysis of fracture surfaces, enhanced interfacial fiber/matrix bonding is observed for the S-MWCNTs loaded specimen. Furthermore, the incorporation of MWCNTs leads to the reduced damaged area and enhanced tolerance of damage. | ||
| کلیدواژه‌ها | ||
| Grid panels؛ Multi-walled carbon nanotubes؛ Silanization؛ Ballistic limit؛ Energy absorption | ||
| مراجع | ||
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