Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Determination of Abrasion Rate of SBR Rubber Compounds using a Knife-blade Abrader

칼날형 마모시험기를 이용한 SBR 배합고무의 마모속도 결정

  • Kim, Dong-Hui (Department of Advanced Chemicals and Engineering, Chonnam National University) ;
  • Kaang, Shinyoung (Department of Advanced Chemicals and Engineering, Chonnam National University)
  • 김동희 (전남대학교 신화학소재공학과) ;
  • 강신영 (전남대학교 신화학소재공학과)
  • Received : 2014.05.02
  • Accepted : 2014.05.27
  • Published : 2014.06.30
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Abstract

Friction and abrasion behaviors were investigated for SBR rubber compounds reinforced by silica and carbon black. Knife-blade abrader, newly designed based on tearing energy theory, was utilized in order to evaluate the effect of frictional work on the wear rate of the rubber compounds. It was found that the power law relation between frictional work and wear rate worked, in which as the wear rate was increased as frictional work increased. The wear rate could be determined successfully using the knife-blade abrader in which a moving distance of the knife blade in the process of wearing was measured continuously, instead of intermittent measurements of weight loss by wear during experiment.

실리카와 카본블랙을 함유한 SBR 배합고무를 대상으로 마찰 및 마모거동을 조사하였다. 인열에너지 이론을 배경으로 설계된 칼날형 마모시험기를 이용하였으며 마찰일의 크기가 SBR 배합고무의 마모속도에 미치는 영향을 평가하였다. 마찰일이 증가할수록 마모속도가 증가하는 power law관계를 확인하였다. 칼날형 마모시험기를 통해 기존의 간헐적 마모손실무게 측정 대신 연속적 마모이동거리 측정이 가능했으며 보다 정확한 마모속도를 결정할 수 있었다.

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References

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