Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Evaluation on Fatigue Characteristics of Tire Sidewall Rubber according to Aging Temperature

  • Jun, Namgyu (Dept. of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Moon, Byungwoo (Dept. of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Kim, Yongseok (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)
  • Received : 2017.03.06
  • Accepted : 2017.03.17
  • Published : 2017.09.30
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Abstract

Ultra-high performance (UHP) tires, for which demand has recently surged, are subject to severe strain conditions due to the low aspect ratio of their sidewalls. It is important to ensure sidewall material durability, since a sudden tire sidewall breakage during vehicle operation is likely to cause a major accident. In the automotive application of rubber parts, cracking is defined as a failure because when cracks occur, the mechanical properties of rubber change. According to Mars, Andre et al., strain and strain energy density (SED) are mainly used as a failure parameters and the SED is generally used as a fatigue damage parameter. In this study, the fatigue life curves of sidewall rubber of tires were determined by using the SED as fatigue damage parameter while the effect of aging on fatigue life was evaluated after obtaining the SED-Nf curves according to aging condition.

Keywords

References

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