The effect of the electric fields on crystalline structure and functional group of mendong fiber (Fimbristylis globulosa)

Suryanto, Heru; Irawan, Yudy Surya; Soenoko, Rudy; Puspitasari, Poppy; Aminnudin, Aminnudin

doi:10.1063/1.4965741

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2017

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“…Mendong fibers were immersed into NaOH solution with a concentration of 5% at room temperature for 2 hours and then washed with water for five times. Dried it at room temperature, wrapped and kept it for analysis in a dry container [10].…”

Section: A Materialsmentioning

confidence: 99%

Critical Fiber Length of Mendong Fiber in Epoxy Matrix Composite

Suryanto¹

2017

Proceedings of the 1st International Conference on Vocational Education and Training (ICOVET 2017)

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Abstract-the disposal of synthetic fiber is very difficult to be degraded and cause problems in the environment. The renewable materials have potency as an alternative material for replacing the synthetic material in the composite product. This study was to determine the critical fiber length of mendong fiber embedded in the epoxy composite. The methods were the extraction of mendong fiber from straw, pull out test methods, and morphology analysis of pull out a test using scanning electron microscope. Results show that mendong fiber had a shear strength of 11 MPa and indicated a critical fiber length of 630 µm. The low critical fiber length of mendong embedded in epoxy matrix indicate good adhesion properties of mendong in an epoxy matrix. It recommends that mendong fibers can apply as reinforcement in the epoxy composite in the form of short fiber.

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Section: A Materialsmentioning

confidence: 99%