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All Journal Jurnal Teknik Industri Buletin Udayana Mengabdi Jurnal Energi Dan Manufaktur Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin Prosiding Seminar Nasional Teknoka Logic : Jurnal Rancang Bangun dan Teknologi International Journal of Engineering and Emerging Technology Mechanical Engineering for Society and Industry
NPG Suardana
Program Studi Teknik Mesin, Fakultas Teknik Universitas Udayana
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Journal : International Journal of Engineering and Emerging Technology

 1 
EFFECT OF ALKALI TREATMENT ON THE TENSILE STRENGTH OF LIDAH MERTUA FIBER/ POLYPROPYLENE RECYCLED BIOCOMPOSITE I Putu Lokantara; NPG Suardana; IW Surata; INS Winaya
International Journal of Engineering and Emerging Technology Vol 4 No 2 (2019): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2019.v04.i02.p09

Abstract

The purpose of this study was to determine the effect of alkali fiber treatment on the tensile strength of composites. The material in this study was recycled polypropylene from plastic beverage glass and lidah mertua fiber with a fiber length of 180 mm, fiber treatment using 5% NaOH and without treatment. Composite specimens were prepared using the hot press method at 170oC for 120 minutes. Tensile testing with the dimensions of the test specimen refers to ASTM D-638. The results of the test carried out the maximum tensile strength value of 71,606 MPa in fiber with 5% alkali treatment. The tensile strength of composites with alkali treatment increased 223% compared to the tensile strength without alkali
The Hardness Analysis of Epoxy Composite Reinforced with Glass Fiber Compared to Nettle Fibers I Gede Putu Agus Suryawan; NPG Suardana; IN Suprapta Winaya; IWB Suyasa
International Journal of Engineering and Emerging Technology Vol 5 No 1 (2020): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2020.v05.i01.p02

Abstract

The purpose of this study is to compare the hardness of glass fiber reinforced composite materials with the hardness of netted fiber-reinforced composite materials. Glass fiber is a commercial fiber that has been used in various industries while nettle fiber is a natural fiber that is more environmentally friendly. Composite material has several advantages, namely the form that can be adjusted, high strength, lightweight and resistant to corrosion. Nettle plants are plants that have strong fibers in the bark. In this study, nettle composites were made with variations in the weight fractions of 10%, 15%, and 20%. Hardness testing used the Shore D Durometer. The results of the hardness value of glass fiber composites with weight fractions of 10%, 15%, and 20% are 82.4 Shore D, 84.5 Shore D, and 86.5 Shore D, show an increase in stable hardness because the glass fiber factor is already commercial, the fiber strength is evenly distributed. The hardness values of nettle fiber composites with fractions of 10%, 15%, and 20% are 81.6 Shore D, 85 Shore D, and 86.6 Shore D, the hardness value of each nettle composite increases with the addition of fiber weight fraction but is unstable due to the strength factor of each nettle single fiber uneven. Furthermore, with the right treatment, nettle fiber can replace glass fiber.
Co-Authors A.A.A. Triadi, A.A.A. Aldri Frinaldi Cok Istri Putri Kusuma Kencanawati Dwidiani, Ni Made I .G. P. Agus Suryawan I Gusti Ketut Puja I Gusti Ngurah Nitya Santhiarsa I Ketut Adi Atmika I Ketut Adi Sugita I Ketut Jaya Lagawa I Ketut Suarsana I Made Gatot Karohika I Made Widiyarta I Made Widyarta I Nyoman Budiarsa . I Nyoman Gede Wardana I Nyoman Suarsana I Nyoman Suprapta Winaya I W BUDIARSA SUYASA I W. Y. Swara I Wayan Gede Arthana I Wayan Surata IWY Swara l Gusti Ngurah Janardana Nanda - Negara, D.N.K.P. Ni Made Dwidiani putri kusuma kencanawati Putu Lokantara Rizki Andika Putra Robby GDS Si Putu Gede Gunawan Tista Steven FS Suarsana, K. Sunu, P.W. Wayan Nata Septiadi Willy Satrio Nugroho Yustinus Hendro Mudiyarto