March 1, 2015 Thesis Open Access

Natnael Tesfamichael

DCAT Export

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        <foaf:name>Natnael Tesfamichael</foaf:name>
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    <dct:title>Identification of the Best Material Combination Between Wheel and Rail of Railway Vehicle with Minimum Wear Rate</dct:title>
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    <dct:description>&lt;p&gt;Wear is a natural phenomenon that exists when two bodies, which are in contact, perform&lt;br&gt; a relative motion; this is also true for the wheel and rail of a railway vehicle. This wear is&lt;br&gt; mainly dependent on the type of material they are made of. There is a tolerable level of&lt;br&gt; wear that is safe to the railway operation. Once this critical wear level is reached, it is&lt;br&gt; mandatory to re-profile the wheel, grind the rail. However, after some time it will be&lt;br&gt; worn out to the level it can no more be used and the whole system must be replaced with&lt;br&gt; a new one. This indicates that there is a need to focus on the wear properties of wheel and&lt;br&gt; rail materials in order to secure a safe and sustainable railway operation.&lt;/p&gt;</dct:description>
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