Mechanical Properties of Polypropylene (PP) Reinforced Hemp Fiber Composite.
Dewidar, M., Bakrey, M., Hashim, A., Abdel-Haleem, A., Diab, K. (2021). Mechanical Properties of Polypropylene (PP) Reinforced Hemp Fiber Composite.. EKB Journal Management System, 37(3), 12-19. doi: 10.21608/bfemu.2021.157414
Montasser Dewidar; Mahmoud Bakrey; A. M. Hashim; Ayman Abdel-Haleem; Kh. Diab. "Mechanical Properties of Polypropylene (PP) Reinforced Hemp Fiber Composite.". EKB Journal Management System, 37, 3, 2021, 12-19. doi: 10.21608/bfemu.2021.157414
Dewidar, M., Bakrey, M., Hashim, A., Abdel-Haleem, A., Diab, K. (2021). 'Mechanical Properties of Polypropylene (PP) Reinforced Hemp Fiber Composite.', EKB Journal Management System, 37(3), pp. 12-19. doi: 10.21608/bfemu.2021.157414
Dewidar, M., Bakrey, M., Hashim, A., Abdel-Haleem, A., Diab, K. Mechanical Properties of Polypropylene (PP) Reinforced Hemp Fiber Composite.. EKB Journal Management System, 2021; 37(3): 12-19. doi: 10.21608/bfemu.2021.157414

Mechanical Properties of Polypropylene (PP) Reinforced Hemp Fiber Composite.

MEJ- Mansoura Engineering Journal
Article 10, Volume 37, Issue 3, September 2012, Page 12-19  XML PDF (282.07 K)
Document Type: Research Studies
DOI: 10.21608/bfemu.2021.157414
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Authors
Montasser Dewidar email 1; Mahmoud Bakrey1; A. M. Hashim2; Ayman Abdel-Haleem3; Kh. Diab1
1Mechanical Design and Production Engineering Department., Faculty of Energy Engineering., South Valley University., Aswan., Egypt.
2Mechanical Design and Production Engineering Department., Faculty of Engineering., South Valley University., Qena.
3Mechanical Design and Production Engineering Department., Faculty of Engineering., Zagazig University., Zagazig., Egypt.
Abstract
Hemp fibers are one of the strongest and stiffest available natural fibers and therefore have great potential for use in composite materials. This paper investigated the impact response of reinforcing PP by hemp fibers. Hemp fibers were added at (30%, 33%, 35%, 37%, and 40% wt). Influence of fiber's content on composite tensile strength and strain were revealed and the results show that at 33% wt the tensile strength of PP and hemp fiber composites was improved by 12.75%. At 33% wt, the fibers were longitudinally, at 45°, horizontally, and randomly oriented. The influence of fiber's orientation on both stress and strain of the composites was studied and the results showed that, when the fibers were longitudinally oriented, the tensile strength of the composites was higher than that of the other fiber's orientation. Also, the tensile strength of the composites at 33% wt was highly improved when the fibers were weaved and the tensile strength of the composite was improved by 25.98%. The effect of hemp fiber on the hardness of PP was deliberated where the hardness of the composite was increased by 5.77% better than that of pure PP. 
Keywords
PP; Hemp fibers; NFRPCs; Tensile strength (Ts); and Hardness number
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