Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Testing for Identification of Dynamic Properties of Viscoelastic Material Subject to Large Static Deformation

정적 대변형을 받고 있는 점탄성 재료의 동적 물성치 규명 시험

  • 이완술 (한국과학기술원 기계공학과) ;
  • 이호정 (한국과학기술원 기계공학과) ;
  • 조지현 (한국과학기술원 기계공학과) ;
  • 김진성 (한국과학기술원 기계공학과) ;
  • 윤성기 (한국과학기술원 기계공학과) ;
  • 김광준 (한국과학기술원 기계공학과)
  • Published : 2003.02.01
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Abstract

Viscoelastic components for vibration isolation or shock absorption in automobiles, machines and buildings are often subject to a high level of static deformation. From the dynamic design point of view, it is requisite to predict dynamic complex stiffness of viscoelastic components accurately and efficiently. To this end, a systematic procedure for complex modulus measurement of the viscoelastic material under large static deformation is often required in the industrial fields. In this paper, dynamic test conditions and procedures for the viscoelastic material under small oscillatory load superimposed on large static deformation are discussed. Various standard test methods are investigated in order to select an adequate test methodology. The influence of fixed boundary condition in the compression tests upon complex stiffness are investigated and an effective correction technique is proposed. Then the uniaxial tension and compression tests are performed and its results are compared with analysis results from conventional constitutive models.

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References

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