Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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A Study on Physical Properties and Life Time Prediction of ACM Rubber for Automotive Engine Gasket

자동차 엔진 개스킷용 아크릴 고무의 물리적 특성과 수명 예측에 관한 연구

  • Lee, Hyung-Seok (R&D Center, HanKook Sealtech, INC.) ;
  • Do, Jong-Hwan (R&D Center, HanKook Sealtech, INC.) ;
  • Ahn, Won-Sool (Department of Chemical Engineering, Keimyung University) ;
  • Kim, Cheol (Department of Mechanical Engineering, Kyungpook National University)
  • Received : 2012.08.07
  • Accepted : 2012.08.21
  • Published : 2012.09.30
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Abstract

Material characteristics and the prediction of life time of polyacrylic rubber (ACM) for automotive engine gasket were studied. Two kinds of ACM rubber compounds, having chlorine cure-site and carboxyl cure-site, were made with optimum formulations and the properties of each materials were examined. As a test results for the thermal properties and compression set, which are very important in the application for the automotive engine gasket, the compound using ACM with carboxyl cure-site was evaluated as having a better characteristics than that of ACM with chlorine cure-site. Arrhenius relationship based on time-temperature superposition principle (TTSP) was obtained through the accelerated heat aging test to predict the useful life-time for the compound using ACM with carboxyl cure-site.

자동차 엔진 개스킷용 아크릴 고무(ACM)의 재료 특성과 수명 예측에 관하여 연구하였다. 클로린 가교사이트를 포함하는 ACM (Chlorine Cure-Site ACM)과 카르복실기 가교사이트를 포함하는 ACM (Carboxyl Cure-Site ACM)을 이용하여 최적상태의 배합물을 제작하여 특성을 살펴보았다. 엔진용 개스킷의 주요한 특성인 열과, 엔진오일에서의 압축영구줄음율을 시험 평가한 결과 Carboxyl Cure-Site ACM 배합물이 상대적으로 더 우수한 것으로 나타났다. Carboxyl Cure-Site ACM 고무 재료에 대한 수명을 예측하기 위해 가속열노화시험을 수행하여 시간-온도 환산식인 아레니우스(Arrhenius) 관계식을 구하였다.

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References

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