Impact of magnesium hydroxide particles decorated Kenaf fibre on the physico-mechanical properties of polypropylene-based composites

IF 1.9 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Bulletin of Materials Science Pub Date : 2024-11-20 DOI:10.1007/s12034-024-03345-7

Samanyu Acharjya, Shyama Prasad Mohanty

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Abstract

The interface between matrix and reinforcement plays a vital role in determining the mechanical properties of the composite. The surface of reinforcement can be modified to enhance the interfacial bonding. In the present work, Kenaf fiber (KF) was used as a reinforcement, while polypropylene (PP) acted as a matrix. KF was chemically treated to remove the amorphous phases thereby improving its interaction with the matrix. Further, fibres were coated with magnesium hydroxide (MH) particles. Fibre to particle ratio varied in the ratio of 100:1, 50:1, 20:1 and 10:1. For the fabrication of composites, 10 wt.% KF was used and specimens were injection moulded. Particles were characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The moulded specimens were subjected to tensile test, impact test, water absorption test, and thermal analysis. Enhancement in mechanical properties has been observed due to improvement in interfacial bonding. Using the MH coated fibres, tensile strength and impact strength were increased by 13% and 31%, respectively.

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氢氧化镁颗粒装饰 Kenaf 纤维对聚丙烯基复合材料物理机械性能的影响

基体和增强材料之间的界面在决定复合材料的机械性能方面起着至关重要的作用。可以对增强材料的表面进行改性，以增强界面结合力。在本研究中，Kenaf 纤维（KF）被用作增强材料，而聚丙烯（PP）则用作基体。对 KF 进行化学处理以去除无定形相，从而改善其与基体的相互作用。此外，纤维上还涂有氢氧化镁（MH）颗粒。纤维与颗粒的比例分别为 100:1、50:1、20:1 和 10:1。在制造复合材料时，使用了 10 wt.% 的 KF，并对试样进行了注塑。使用 X 射线衍射（XRD）和扫描电子显微镜（SEM）对颗粒进行表征。对模制试样进行了拉伸试验、冲击试验、吸水试验和热分析。由于界面粘合得到改善，机械性能得到提高。使用 MH 涂层纤维后，拉伸强度和冲击强度分别提高了 13% 和 31%。

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来源期刊

Bulletin of Materials Science 工程技术-材料科学：综合

CiteScore

3.40

自引率

5.60%

发文量

209

审稿时长

11.5 months

期刊介绍： The Bulletin of Materials Science is a bi-monthly journal being published by the Indian Academy of Sciences in collaboration with the Materials Research Society of India and the Indian National Science Academy. The journal publishes original research articles, review articles and rapid communications in all areas of materials science. The journal also publishes from time to time important Conference Symposia/ Proceedings which are of interest to materials scientists. It has an International Advisory Editorial Board and an Editorial Committee. The Bulletin accords high importance to the quality of articles published and to keep at a minimum the processing time of papers submitted for publication.