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Comparison the Stresses of An Isotropic and Orthotropic Unidirectional Rectangular Composite Plates with Circular Hole under Tension Load
Joko Sedyono (a*), Jamasri (b)

a) Program Studi Teknik Mesin, Universitas Muhammadiyah Surakarta
Jalan A. Yani, Pabelan, Kartasura, Surakarta, Indonesia
* Js161[at]ums.ac.id
b) Fakultas Teknik, Universitas Gadjah Mada
Jalan Grafika 2, Yogyakarta, Indonesia


Abstract

The purpose of this study is to determine the effect of circle holes on the strength of the unidirectional rectangular composite and then compared with metal material (isotropic). This is considering that a construction generally requires holes for bolts and rivets when certain parts will be connected to other parts. The samples are the unidirectional rectangular fibers reinforcement polyester composite with variations in two types of circle holes namely one circle in the middle (model 1) and three circles with details of a larger circle in the middle and two circles are beside along the longitudinal (model 2), three types of fiber directions (0o, 45o, and 90o) with three variations of fiber content. For comparison, the metal here is steel with a variety of model 1 and model 2. From tensile testing results the nominal strength of model 2 both composite and steel is greater than model 1. For the composites, the maximum nominal tensile strength occurs at 0o fiber angle then decreases at 45o, then minimum at 90o, and the greater fiber content will make the greater of nominal tensile strength. The finite element formulation is carried out by using the analysis section of the ANSYS package.

Keywords: holes, strength, tensile, composite, steel, finite element

Topic: International Symposium of Engineering, Technology, and Health Sciences

Link: https://ifory.id/abstract/kXDreMJZA9Bt

Conference: The 3rd International Conference on Sustainability and Innovation (ICoSI 2019)

Plain Format | Corresponding Author (Joko Sedyono)

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