Influence Of Processing Methods And Fiber Size On Rheological Properties Of Hybrid Composite

Kee, Soon Han (2008) Influence Of Processing Methods And Fiber Size On Rheological Properties Of Hybrid Composite. Project Report. UTeM, Melaka, Malaysia. (Submitted)

	PDF (Full Text) Influence_Of_Processing_Methods_And_Fiber_Size_On_Rheological_Properties.pdf - Submitted Version Restricted to Registered users only Download (62MB)
	PDF (24 Pages) Influence_Of_Processing_Methods_And_Fiber_Size_On_Rheological_Properties.pdf - Submitted Version Download (370kB)

Abstract

This report is based on the study on the influence of processing methods and fiber size on the rheological properties of hybrid glass/carbon composite. The objective of this study is to investigate the effect of different processing methods, fiber size and processing parameter specifically temperature on the rheological properties of the hybrid composite. Besides that, another aim is to analyze the relationship of the processing methods, fiber size and temperature on the rheologicalmorphological properties of the hybrid composite. E-glass in both short fiber and powder form as well as charcoal in powder form was incorporated into polypropylene (PP) to form hybrid composite in the study. Processing methods refers to the different mixing techniques used to prepare the hybrid composite mixture prior to rheological measurements while fiber size refers to the reinforcements in particulate form and short fiber with the fiber length of less than 1 mm. Temperature effect was monitored during the rheological measurement. The rheological properties of the hybrid composite were studied using a capillary rheometer. After conducting rheological measurements, the morphology of the hybrid composite for both longitudinal and transverse directions in flow direction was observed under the Scanning Electron Microscope (SEM). Results showed that viscosity decreased while flow rate and shear rate increased with temperature and also in the hybrid composites that employed the processing method of 2+1 as well as those composites utilizing completely particulate reinforcements. All composite system also exhibited the pseudoplastic behaviour based on the rheological measurement results. This was further supported by the good orientation and alignment as well as uniform distribution of the reinforcements in the PP matrix. Thus, hybrid composite which employed the combinations of 2+1 Powder exhibited superior rheological properties compared to the other combinations.

Actions (login required)

View Item