자동차용 냉각기 고무호스의 노화거동과 미소경도분석
- Title
- 자동차용 냉각기 고무호스의 노화거동과 미소경도분석
- Other Titles
- Degradation Behavior and Micro-hardness Analysis of a Coolant Rubber Hose for Automotive Radiator
- Author
- 최낙삼
- Keywords
- Micro-hardness(미소경도); IRHD-hardness(IRHD 경도); Thermal oxidative aging(열가속 산소노화); Electro-chemical degradation(전기화학적 노화); Coolant rubber hose(냉각기용 고무호스); EPDM(ethylene-propylene dine monomer)
- Issue Date
- 2007-10
- Publisher
- 대한기계학회
- Citation
- 대한기계학회 2007도 추계학술대회 강연 및 논문 초록집, Page. 15 - 20
- Abstract
- Rubber hoses for automobile radiators are apt to be degraded and thus failed due to the influence of contacting stresses of air and coolant liquid under thermal and mechanical loadings. The aging behaviors of the skin part of the hoses due to thermo-oxidative and electro-chemical stresses were experimentally analyzed. Through the thermo-oxidative aging test, it was shown that the surface hardness IRHD(International Rubber Hardness Degrees) of the rubber increased with a considerable reduction of failure strain as the aging time and temperature increased. On account of the penetration of coolant liquid into the skin part influenced by the electro-chemical degradation(ECD) test the weight of the rubber hose increased, whereas their failure strain and IRHD hardness decreased. The hardness of the hose in the side of the negative pole was the most deteriorated at the test site of the hose skin just below the coolant surface.
- URI
- http://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE00915347&language=ko_KRhttps://repository.hanyang.ac.kr/handle/20.500.11754/107383
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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