Abstract
In terms of innovative and high-performance reinforcement, hemp and flax solutions have not only met the technical requirements of composite manufacturers but also reduced environmental impacts. This paper aims to fabricate the hemp–flax fiber reinforced hybrid composite and to determine the mechanical properties such as flexural strength, flexural modulus along with moisture absorption performance. Hand lay-up method was used to fabricate the composites. The specimens were tested with the universal testing machine (UTM). Hybridization effect is clearly visible with the results. The results revealed that, the highest flexural strength (53.45Mpa) as well as flexural modulus (3.43Gpa) was exhibited by the sample composed of 30% hemp-10% flax reinforced hybrid composite. Water absorption behavior has shown that hybridization has increased the water uptake.
Highlights
Nowadays due to some inherent properties natural fiber reinforced composites are superior to synthetic composite because of its light weight, biodegradability, renewability and environment friendly nature [1,2]
The impact of mechanical properties of hemp fiber increases with a growing weight fraction of the fibers when it is immersed into water [11].A research was conducted on hemp fiber reinforced polythene composite to study the tensile and flexural strength with a variable fiber content ranging from 10% to 30%which revealed that tensile strength increases and flexural strength decreases gradually compared with 50% fresh and recycled HDPE [12]
The maximum stress experienced by any material or object at the instant of its failure is depicted by the flexural properties
Summary
Nowadays due to some inherent properties natural fiber reinforced composites are superior to synthetic composite because of its light weight, biodegradability, renewability and environment friendly nature [1,2]. Potentiality of the natural fibers is hindered by the discrepancy of fiber and poor water absorption characteristics [5]. In spite of these circumstances comprehensive researches are being carried out to use natural composites as a proficient material in the electrical and electronic equipment, civil constructions, chemical equipment and machinery constructions, automobile and marine industries, aircraft manufacturing, furniture and so on [6,7,8]. The impact of mechanical properties of hemp fiber increases with a growing weight fraction of the fibers when it is immersed into water [11].A research was conducted on hemp fiber reinforced polythene composite to study the tensile and flexural strength with a variable fiber content ranging from 10% to 30%which revealed that tensile strength increases and flexural strength decreases gradually compared with 50% fresh and recycled HDPE [12]
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