Accelerated predicative testing of tire behaviour

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F17%3A63510505" target="_blank" >RIV/70883521:28610/17:63510505 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Accelerated predicative testing of tire behaviour
Original language description
In practice, tires are exposed to complex dynamic loading conditions caused due to car´s kinematic energy, profile of road surface as well as influence of ozone concentration, solar radiation, different temperature etc. These complex processes constitute the initiation of microcracks in tire, which is the fundamental fracture element of rubber-matrix responsible for tire tread wear, proceeding of fracture processes as well as of total tire failure. The tests and determination of tire failure respective fatigue lifetime of rubber matrix used for tire applications in the field are time and money consuming and thus the effective testing methods in laboratory condition is highly appreciated. The aim of this work is to introduce a methodology leading to accelerated prediction of rubber matrix fatigue lifetime. The complex methodology is fundamentally based on determination of a minimum energy requirement for the rupture of chains in a crack of rubber matrix, which is known as intrinsic cutting strength and energy necessary for crack growth under increasing dynamic loading conditions. Finally the correlation of the methodology used with the fatigue lifetime has been discussed.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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