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http://dx.doi.org/10.3795/KSME-A.2017.41.7.629

A Study on the Fatigue Characteristics and Life Prediction of the Tire Sidewall Rubber  

Moon, Byungwoo (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Kim, Yongseok (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Jun, Namgyu (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Koo, Jae-Mean (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Seok, Chang-Sung (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Hong, Ui Seok (Polymeric Materials Research Team, Hyundai Motor Group)
Oh, Min Kyeong (Polymeric Materials Research Team, Hyundai Motor Group)
Kim, Seong Rae (R&D Center, Nexen Tire Corporation)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.41, no.7, 2017 , pp. 629-634 More about this Journal
Abstract
In the case of the UHP (Ultra high performance) tire that the demand has increased rapidly, compared with the commonly used tire, severe deformation has been observed because of the low aspect ratio. When repeated deformations are applied to the sidewall rubber, accumulated fatigue damage may cause fatigue failure. Thus, the evaluation of the durability of the tire sidewall rubber has become a very important issue to prevent accidents that occur while the vehicle is running. However, the research and design criteria for the durability performance of the tire sidewall rubber hardly exist. In this study, we suggest a lifetime prediction formula using strain energy density obtained by performing tensile tests and fatigue tests on two different kinds of the tire sidewall compounds. Additionally, the applicability of our findings for low fuel consumption tires was reviewed by converting the fatigue life of the sidewall rubber into the expected mileage of the tire.
Keywords
Fatigue Life; Strain Energy Density; Prediction Equation; Tire Sidewall Rubber;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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