凯夫拉基纳米复合材料的抗压和剪切强度

Q3 Engineering
M. Mohammed Mohaideen, P.H.V. Sesha Talpa Sai, R. Ajith Raj, V.G. Krishna Anand
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引用次数: 0

摘要

纤维增强复合材料(FRC)宏观上由以纤维为增强材料、以树脂为基体材料的建筑材料构成。它具有不同的物理和化学性质,这些性质结合在一起,以便从单个组分中获得具有不同所需特性的新材料。复合材料的性能在很大程度上取决于基体和增强材料。研究了在复合材料层合板中引入纳米细颗粒对基体的强化作用。为了研究纳米颗粒对复合材料性能的影响,以环氧树脂为基体,以凯夫拉尔- 49 (K49)纤维为编织体制备复合材料。所有的试件都是用12层K49制作的,用真空袋成型法构建3mm厚度。选用K49纤维平纹编织型作为增强材料。采用二氧化钛(TiO2)、碳酸钙(CaCO3)、石墨粉(Gr)等纳米填料作为纳米材料加入基体,并与纯K49增强复合材料进行了性能比较。在FRC中以不同的重量比组成TiO2、CaCO3和GR纳米填料。结构性能如抗压和抗剪强度按ASTM标准确定。用扫描电子显微镜对所有类型的层压板的断裂行为进行了详细的报道。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Compressive and Shear Strength of Kevlar based Nano Composites
The Fibre Reinforced Composite (FRC) material consists of building materials in macroscopic level by having fibres and resin as reinforcement and matrix material respectively. It has different physical and chemical properties that were bonded together in order to get new material with different required characteristics from individual components. The properties of the composites are largely depending on the matrix and reinforcement materials. The matrix strengthening process by introduction of fine nano particles in composite laminate was done in this work. In order to study the effect of nano particles, the composite consists of Kevlar- 49 (K49) fibre in woven form with epoxy resin as matrix was considered. All the test specimens have been prepared with 12 layers of K49 to build 3mm thickness using vacuum bag moulding method. The K49 fibre in form of plain-woven type were chosen as reinforcement material. The nano fillers such as Titanium dioxide (TiO2), Calcium Carbonate (CaCO3) and Graphite powder (Gr) were used as nanomaterial added in the matrix and was compared with pure K49 reinforced composites for better performance. The TiO2, CaCO3 and GR nano fillers were constituted on various weight ratios in FRC. The structural properties like compression and shear strengths were determined as per ASTM standards. The fracture behaviour for all the categories of laminate has been detailed and reported using scanning electron microscope.
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来源期刊
International Journal of Vehicle Structures and Systems
International Journal of Vehicle Structures and Systems Engineering-Mechanical Engineering
CiteScore
0.90
自引率
0.00%
发文量
78
期刊介绍: The International Journal of Vehicle Structures and Systems (IJVSS) is a quarterly journal and is published by MechAero Foundation for Technical Research and Education Excellence (MAFTREE), based in Chennai, India. MAFTREE is engaged in promoting the advancement of technical research and education in the field of mechanical, aerospace, automotive and its related branches of engineering, science, and technology. IJVSS disseminates high quality original research and review papers, case studies, technical notes and book reviews. All published papers in this journal will have undergone rigorous peer review. IJVSS was founded in 2009. IJVSS is available in Print (ISSN 0975-3060) and Online (ISSN 0975-3540) versions. The prime focus of the IJVSS is given to the subjects of modelling, analysis, design, simulation, optimization and testing of structures and systems of the following: 1. Automotive vehicle including scooter, auto, car, motor sport and racing vehicles, 2. Truck, trailer and heavy vehicles for road transport, 3. Rail, bus, tram, emerging transit and hybrid vehicle, 4. Terrain vehicle, armoured vehicle, construction vehicle and Unmanned Ground Vehicle, 5. Aircraft, launch vehicle, missile, airship, spacecraft, space exploration vehicle, 6. Unmanned Aerial Vehicle, Micro Aerial Vehicle, 7. Marine vehicle, ship and yachts and under water vehicles.
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