June 1, 2017 Thesis Open Access

OUBAH ISMAIL AHMED

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    <subfield code="u">https://zenodo.org/record/1353/files/f1044200664_Wear_Analysis_On_Wheel_And_Rail_Contact_In_Rolling_And_Sliding_Contact_Using_Finite_Element_Method.pdf</subfield>
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    <subfield code="a">A Thesis`s progress submitted to the School of Graduate Studies of Addis Ababa University in partial fulfillment of the requirements for the Degree of Masters of Science in Railway Mechanical Engineering</subfield>
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    <subfield code="a">&lt;p&gt;Wheel and rail is one of the most important material used to support and guide rail vehicle safely&lt;br&gt;
and smoothly. Since wheel and rail suffers from various interacting mechanical and thermal&lt;br&gt;
forces, friction modifiers, various contaminants and environmental atmosphere, wear poses large&lt;br&gt;
Problem on wheel and rail.&lt;br&gt;
Wheel and rail wear can be result in an extensive cost for truck owner, if it is not predicated and&lt;br&gt;
prevented in an efficient way. To limit these costs, one measure is to predicate and prevent wheel&lt;br&gt;
and rail wear through wear modeling.&lt;br&gt;
The purpose of this research is to investigate the wear analysis on wheel / rail in rolling and&lt;br&gt;
sliding contact using CATIA V5 R16 software and ANSYS 16.0 Workbench. The wear of the&lt;br&gt;
wheels has been studies on stress structure as result and the analysis is done for two wheels&lt;br&gt;
having different material composition (that is Bainitic steel which is new material and R7 which&lt;br&gt;
is using by Ethiopian Light Railway Transit AALRT)&lt;br&gt;
Using stress output as input for structural analysis different stress concentration are observed&lt;br&gt;
The result obtained for the two wheels shows that wheel two has excellent hardness, strength and&lt;br&gt;
have good resistance wear&lt;br&gt;
Therefore, Bainitic steel can be applied to wheels in railway system&lt;/p&gt;</subfield>
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