• The effect of stress concentrations on fatigue and fracture of 316L stainless steel micro-scale components

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    2004

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    Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering

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    Susanne Amanda Wiersma, 'The effect of stress concentrations on fatigue and fracture of 316L stainless steel micro-scale components', [thesis], Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2004, pp 205

    Abstract

    The aim of this work was to investigate the fatigue and fracture behaviour of microscopic specimens based on a biomedical component (the cardiovascular stent) and to modify existing theories to take account of the observed effects. A stent is a cylindrical wire mesh that is used to scaffold open stenosed arteries in order to retain a sufficient blood flow. Different 316L stainless steel microscopic specimens were designed and tested, which contained notches representing stent-like features. Typical sizes of stent wires are around 100μm, giving only about 10 grains along the width and thickness of the wires.

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    http://hdl.handle.net/2262/89124

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    Mechanical & Manufacturing Eng (Theses and Dissertations)
    Trinity College Dublin Theses & Dissertations

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    Keywords

    Mechanical and Manufacturing Engineering, Ph.D., Ph.D. Trinity College Dublin

    Author: Wiersma, Susanne Amanda

    Qualification name: Doctor of Philosophy (Ph.D.)
    Publisher: Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering
    Type of material: thesis