Selected mechanical properties of the reinforced layered composites

2021 ◽  
Vol 113 ◽  
pp. 53-59
Author(s):  
Izabela Burawska-Kupniewska ◽  
Maciej borowski

Selected mechanical properties of the reinforced layered composites. Publication concerns the production of fiber reinforced layered composites and its selected mechanical properties. The following reinforcement types of the layered composites were taken into consideration: linen fabric and fiberglass. Two types of core materials were tested: plywood and PUR foam. The assembled composites were tested for MOR, MOE and screw holding ability. Additionally density and density profile were determined. Fiberglass reinforced composites were used as a reference material for composites reinforced with natural fibres.

2012 ◽  
Vol 06 ◽  
pp. 646-651 ◽  
Author(s):  
Wen Ma ◽  
Fushun Liu

Voids are inevitable in the fabrication of fiber reinforced composites and have a detrimental impact on mechanical properties of composites. Different void contents were acquired by applying different vacuum bag pressures. Ultrasonic inspection and ablation density method were adopted to measure the ultrasonic characteristic parameters and average porosity, the characterization of voids' distribution, shape and size were carried out through metallographic analysis. Effects of void content on the tensile, flexural and interlaminar shear properties and the ultrasonic characteristic parameters were discussed. The results showed that, as vacuum bag pressure went from -50kPa to -98kPa, the voids content decreased from 4.36 to 0.34, the ultrasonic attenuation coefficient decreased, but the mechanical strengths all increased.


2018 ◽  
Vol 7 (2) ◽  
pp. 110-112
Author(s):  
Sasikumar Gnanasekaran ◽  
Sivasangari Ayyappan

Natural fibres namely sisal, jute, kenaf, hemp, abaca and banana are mainly used in industries for developing Natural fibres composites. They find many applications such as automobiles, furniture, packing and construction due to many merits such as their low cost, good mechanical properties, non-toxic, low weight, less damage to processing equipment, improved surface finish, abundant and renewable resources. The objective of this paper is to review the applications of various kenaf fibre reinforced polymer composites which will provide a base for further research in this area.


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