Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/5552
Title: Formation of tangential pre-stress as a residual stress and its influence on the tribological performance of nodular cast irons
Authors: Can, Ahmet Çetin
Özmen, Yılmaz
Topçu, Muzaffer
Keywords: Elasticity
Lubrication
Nodular iron
Prestressing
Residual stresses
Stress analysis
Wear of materials
Elasticity theory
Tangential pre-stress
Tribology
Publisher: Elsevier Science Ltd
Abstract: Since any state of residual stress influences the service behavior of a material, it is of particular interest for engineers and designers to know its benefits to machine parts, and where it can be utilized successfully. From this point of view, mechanical tangential pre-stress as circumferential compressive residual stress has been investigated for wear performance. For this purpose, a thick walled cylinder specimen model was established as a tribo-element, and the force, which will form the desired tangential pre-stress representing residual stress, has been calculated by the rules of elasticity theory. In order to compare the effect of residual stress on the wear performance under dry and lubricated conditions, 0.8 Re (Re: unidirectional yield strength) were applied to the nodular cast iron (DDK-40, DDK-60) specimens. Wear test results have been evaluated in terms of two different stress levels, 0 Re and 0.8 Re, formed on the specimen.
URI: https://hdl.handle.net/11499/5552
https://doi.org/10.1016/S0301-679X(00)00097-9
ISSN: 0301-679X
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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