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ABSTRACT
Due to the abundance of vegetable fibers from the large variety of existing plant types, many of them have not yet been explored in terms of mechanical behavior as composite reinforcements. Most of the natural fibers composites are based in a few crop fibers leaving a large number of species without a comprehensive study. This work evaluates the tensile strength of fibers from Phormium cookianum. Scanning electron microscopy images were taken on the fiber surface after the mercerization process, as well as in the composite. Through these results, it can be identified that the damage caused to the surface of the fibers may directly influence the adhesion that occurs at the interface with the polymer. In general, the composites produced here have good mechanical properties with a low cost of production. On this basis, this product has the potential to replace panels, boards, injection and molded parts.
摘要
由于现有植物种类繁多，植物纤维丰富，许多植物纤维尚未被探索作为复合增强体的力学行为。大多数天然纤维复合材料都是以少量农作物纤维为基材，没有进行全面的研究。这项工作评估了纤维的抗张强度。扫描电子显微镜图像是在纤维表面丝光工艺后，以及在复合材料。通过这些结果，可以确定对纤维表面造成的损伤可以直接影响在与聚合物的界面处发生的粘合。一般来说，这里生产的复合材料具有良好的机械性能，生产成本较低。基于此，该产品具有替代面板、板、注塑件和模塑件的潜力
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William de Melo Silva
William de Melo Silva is an assistant Professor of the São Paulo State University located at the Botucatu campus at the Faculty of Agronomic Sciences. He completed his Ph.D. in Engineering and Space Technologies by the National Institute of Space Research and held a PhD at Northwestern University in the Department of Materials Science and Engineering, Illinois, USA. He has interests research areas related to the subjects of Materials Engineering and Mechanics. Also actuated as coordinator of the course of the Materials and Processes of Manufacture Undergraduate Course in Mechanical Engineering. He currently has a group of studies in biomedical engineering, biomaterials and biocompatible materials at the Biotechnology Institute.
Ivana Cesarino
Ivana Cesarino received her B.Sc. degree in Chemistry from Sao Paulo State University, Brazil, in 2003, and Ph.D. in 2009 in Analytical Chemistry from Sao Paulo University, in Brazil. She has been admitted in 2014 as assistant professor at Sao Paulo State University, School of Agriculture. The research areas of interest are related with electroanalysis, nanotechnology and utilization of agroindustrial residues. Head-leader of Laboratory of Electroanalysis and Nanotechnology (LEN) and co-leader of Residuall Laboratory. She has published 55 articles, 3 book chapters, has more than 120 papers published in conference proceedings and 50 participations in conferences.
Derval dos Santos Rosa
Derval dos Santos Rosa received his B.Sc. degree in Chemistry from State University of Campinas, Brazil. Ph.D. Chemistry of Engineering (1996 in the same University. He worked with Provost of Undergraduate Courses at Federal University of ABC (2010-2014). Has experience in Chemistry and Characterization in Polymer, in special Biodegradable Polymers and Recycling Polymers. He has almost 100 paper, 5 books, 30 chapter of books and around 350 paper in Congress. Referees of many Journals.
Alcides Lopes Leao
Alcides Lopes Leao is full professor of Biocomposites and Bioenergy at the Department of Biotechnology and Bioprocess, School of Agricultural Sciences, Sao Paulo State University – UNESP, Sao Paulo, Brazil. His research interests are related with natural polymers for composites at macro, micro and nano scales; biofuel and smart materials. He has been visiting scientist at Forest Products laboratory, Madison, WI and visiting professor at Uof. Has coordinated several international and national projects; FAO consultant in several countries; Chair of the Consultative Committee of the Common Fund For Commodities, Amsterdam.