Hashim Mohd Khairul Rabani, Abdul Majid Mohd Shukry, Mohd Jamir Mohd Ridzuan, Kasim Farizul Hafiz, Alshahrani Hassan A, Deros Mohd Azaman Md, Hui David
Faculty of Mechanical Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau 02600, Perlis, Malaysia.
Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau 02600, Perlis, Malaysia.
Materials (Basel). 2022 Sep 3;15(17):6121. doi: 10.3390/ma15176121.
This study investigated the impact response behaviours of pineapple leaf fibre (PALF)/carbon hybrid laminate composites for different ply orientations and stacking sequences. The laminates were manufactured using a vacuum infusion approach with various stacking sequences and ply orientations classified as symmetric quasi-isotropic, angle-ply symmetric, and cross-ply symmetric. The laminates were analysed using an IMATEK IM10 drop weight impact tester with an increment of 5 J until the samples were perforated. This investigation reveals that the overall impact properties of PALF and carbon as reinforcements were improved by a beneficial hybridised effect. The laminates with an exterior carbon layer can withstand high impact energy levels up to 27.5 J. The laminate with different stacking sequences had a lower energy transfer rate and ruptured at higher impact energy. The laminates with ply orientations of [0°/90°] and [±45°] exhibited 10% to 30% better energy absorption than those with ply orientations of [±45°, 0°/90°] and [0°/90°, ±45°] due to energy being readily transferred within the same linear ply orientation. Through visual inspection, delamination was observed to occur at the interfaces of different stacking sequences and ply orientations.
本研究调查了菠萝叶纤维(PALF)/碳纤维混杂层合复合材料在不同铺层方向和堆叠顺序下的冲击响应行为。这些层合板采用真空灌注法制造,具有各种堆叠顺序和铺层方向,分为对称准各向同性、角铺层对称和正交铺层对称。使用IMATEK IM10落锤冲击试验机对层合板进行分析,能量增量为5 J,直至样品穿孔。该研究表明,作为增强材料的PALF和碳纤维的整体冲击性能通过有益的混杂效应得到了改善。带有外部碳纤维层的层合板能够承受高达27.5 J的高冲击能量水平。具有不同堆叠顺序的层合板能量传递率较低,在较高冲击能量下破裂。铺层方向为[0°/90°]和[±45°]的层合板比铺层方向为[±45°, 0°/90°]和[0°/90°, ±45°]的层合板表现出高10%至30%的能量吸收,这是因为能量易于在相同的线性铺层方向内传递。通过目视检查,观察到在不同堆叠顺序和铺层方向的界面处发生了分层。