지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 이철희
- 발행연도
- 2014
- 저작권
- 인하대학교 논문은 저작권에 의해 보호받습니다.
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초록· 키워드
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In this study, shock absorption performance of Magneto-rheological (MR) elastomer is identified through the drop impact test. Recently a variety of MR elastomers applications using its advantages have been studied. But there has been no substantial study on the shock absorption performance of MR elastomers. Therefore it is necessary to suggest the evaluation method of shock absorption of MR elastomer. Magneto-rheological materials are divided into two groups by MR fluid in a fluid state and MR elastomers in solid state like rubber. The stiffness characteristics of MR material can be changed as a magnetic field is applied. The absorbed impact energy in MR elastomer was measured under three different thickness MR elastomer and weight of impactors with activated or deactivated magnetic field condition. The results show that shock absorption performance change is observed according to the thickness, weight, and magnetic field conditions. Improved shock absorption performance is evaluated when a magnetic field is not applied and MR elastomer is thick with light impactors. The test is carried out to estimate the shock absorption performance of MR elastomer during impact as activating or deactivating a magnetic field. It is observed that the shock absorption performance is improved from the results. Through this evaluation, the possibility that the MR elastomer is utilized to a variety of industries such as automotive, electronics, heavy industry as the MR damper can be predicted.
목차
Chapter 1 Introduction 11.1 Research Backgrounds and Objectives 11.2 Outline of Dissertation 4Chapter 2 Experiment preparation for shock Absorption Performance of MR elastomer 62.1 Overview of Shock Absorption Performance of MR elastomer 62.2 MR elastomer and impactor samples and impact energy 72.3 Drop impact test 8Chapter 3 Result of shock absorption performance test 16Chapter 4 Experiment for shock absorption control of MR elastomer through the magnetic field on/off 284.1 Shock absorption control through the magnetic field on/off 284.2 Result of shock absorption through magnetic field change 28Chapter 5 Conclusions 32Reference 34
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