Abstract
This study aims to enhance the mechanical properties of polymer material using type of natural fiber. Bamboo fiber considered the strongest between the natural fibers group, it have low density, high mechanical strength in addition to its availability makes it economical applicable and have potential for used as engineering material. The study is concerned with evaluate some of the mechanical properties (Tensile strength, Bending strength, Impact strength) for the resultant composite reinforced with 10, 20 and 30 vol.% of bamboo fibers, as compared with received material. With the natural reinforcement, the optimum mechanical properties in comparison with the as received epoxy were achieved. The results indicated that the tensile strength increased from 13.51MPa to 33.50MPa (that is a percentage increase of 150%), also the bending strength increased from 24.25MPa to 44.5MPa (that is a percentage increase about 83%), as well as, the increase of the impact strength from 41kJ/m² to 69kJ/m² (that is a percentage increase about 68%).
Highlights
The using of polymeric matrix-composite (PMCs) materials are increased rapidly in both terms of the applications and research [1]
From the results of ultimate tensile strength (UTS), it can be seen that the relation between stress and bamboo fiber percent is not linear, where, the results indicate strength of the resultant composite increased dramatically as the natural fiber content increased, as shown Fig. 4 which explains the relation between the UTS and Vol% of the bamboo fiber
Resultant composites of epoxy matrix reinforced with 10, 20 and 30% of aligned and continuous bamboo fibers produce an exponential increase in mechanical performance as a function of the fibers volume fraction increased
Summary
The using of polymeric matrix-composite (PMCs) materials are increased rapidly in both terms of the applications and research [1]. Natural fibers are considered as good substitute instead of conventional fibers, mainly the aramid fiber and glass fiber, which utilized in different industrial and contributing in many problems like "pollution" [3] They have many advantages such as less of wear in processing equipment, excellent toughness, great strength-to-weight ratio, low abrasiveness, low density and biodegradability [4]. This type of fiber is considered as "environmentally friendly" due to their neutral characteristic with respect to carbon dioxide emissions, the main responsible for climate changes and global warming [5]. Bamboo fibers must be stripped off from its culms and conducted as reinforcement of polymeric material, the main disadvantages of bamboo column for direct utilize in engineering applications was its semi cylindrical shape [7]
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