Impact of alumina particles on the morphology and mechanics of hybrid wood plastic composite materials

• Published in: Science of sintering Vol. 51; no. 1; pp. 115 - 124
• Main Authors: Perisic, Srdjan, Vuksanovic, Marija, Petrovic, Milos, Radisavljevic, Andjela, Grujic, Aleksandar, Jancic-Heinemann, Radmila, Radojevic, Vesna
• Format: Journal Article
• Language: English
• Published: Beograd International Institute for the Science of Sintering (IISS) 2019; International Institute for the Science of Sintering, Beograd
• Subjects: Absorption; Alumina; Alumina particles; Aluminum oxide; Chemical industry; Composite materials; Composite structures; Deformation; Hot pressing; Hybrid composites; Impact tests; Mechanical properties; Modulus of elasticity; Moisture; Moisture absorption; Morphology; Particulate composites; PMMA; Polyethylene; Polymer matrix composites; Polymers; Polymethyl methacrylate; Sol-gel processes; Water absorption; Wood; X-ray diffraction
• ISSN: 0350-820X; 1820-7413
• DOI: 10.2298/SOS1901115P

Hybrid composite panels of Wood-Plastic Composites (WPC) consisting of wood and poly (methyl methacrylate) (PMMA) were reinforced with alumina particles and made by ?hot pressing? method. Alumina-based particles were made by sol-gel technique. The particles were characterized by the X-ray diffraction (XRD). The resulting alumina particles were modified with (3mercaptopropyl) trimethoxysilane (MPTMS), in order to obtain better mechanical properties of the composite relative to the composite with unmodified alumina particles. The aim of this work was to study the influence of composite structure and the moisture absorption on bending and the impact properties of the hybrid composite. The bending and impact tests revealed that modulus of elasticity and absorbed energy of deformation increased with modification of alumina and slightly decrease after moisture absorption.