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Study of Shear Property of HDPE by Experiment and Simulation
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
2014 (English)Conference paper, (Refereed)
Abstract [en]

The aim of this work is to evaluate the effect of different specimen dimension and crack length on the mechanical properties of HDPE (High Density Polyethylene) which is often used in the packaging industry. In the experimental part, two main specimens are chosen. One is dog-bone shaped tensile specimen for finding the tensile material properties. The other one is modified shear specimen for studying the shear damage. A corresponding numerical simulation is done by applying a commercial Finite Element Analysis (FEA) program ABAQUS. In addition, the microscopic analysis was performed to observe the fracture surface of specimen after the test with scanning electron microscope (SEM). A series of experiments and simulation were processed and results show that fracture initiation and propagation behavior in the shear specimen is sensitive to the size of the pre-crack (notch) and shear strain at failure.

Abstract [sv]

Syftet med detta arbete är att utvärdera effekten av olika provdimension och spricka längden på de mekaniska egenskaperna hos HDPE (High Density Polyethylene) som ofta används inom förpackningsindustrin. I den experimentella delen, är två exemplar som valts. En är hund-ben formade drag exemplar för att hitta dragmaterialegenskaper. Den andra är modifierad skjuvning exemplar för att studera skador skjuvning. En motsvarande numerisk simulering görs genom att tillämpa en kommersiell Finite Element Analysis (FEA)-programmet ABAQUS. Vidare har den mikroskopiska analysen utförs för att observera frakturytan av provet efter testet med svepelektronmikroskop (SEM). En serie experiment och simulering bearbetades och resultaten visar att fraktur initiering och utbredningsbeteende i skjuvning provet är känslig för storleken på den pre-crack (hack) och skjuvtöjning vid brott.

Place, publisher, year, edition, pages
International and Interuniversity Centre for Nanoscience and Nanotechnology (IIUCNN) , 2014.
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:bth-6617Local ID: oai:bth.se:forskinfo09C1CFA65031D655C1257D580050C65FOAI: oai:DiVA.org:bth-6617DiVA: diva2:834139
Conference
World Conference on Fracture and Damage Mechanics, Kottayam, India
Available from: 2014-09-22 Created: 2014-09-19 Last updated: 2017-03-17Bibliographically approved

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Islam, Md. ShafiqulKao-Walter, SharonMehmood, Nasir
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CiteExportLink to record
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Citation style
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