A Study of Life Characteristic of Hydraulic Hose Assembly by Adopting Complex Accelerated Model with Acceleration Factors of Pressure and Temperature

압력과 온도 복합가속모형을 적용한 유압호스 조립체 수명특성 연구

  • Lee, Gi-Chun (School of Reliability Assessment Center, Korea Institute of Machinery & Materials) ;
  • Kim, Hyoung-Eui (School of Reliability Assessment Center, Korea Institute of Machinery & Materials) ;
  • Cho, You-Hee (School of Reliability Assessment Center, Korea Institute of Machinery & Materials) ;
  • Kim, Jae-Hoon (BK21 Mechatronics Groups, Dept. of Mechanical Design Engineering, Chungnam National University)
  • Received : 2010.06.08
  • Accepted : 2010.09.16
  • Published : 2010.11.01


Hydraulic hoses are used as pipelines for transferring power from hydraulic systems in various machineries such as construction equipments, automobiles, and aircraft. Hydraulic hoses protect the system from vibration or impacts, and they are being used to transfer energy in all segments of the industry. In order to protect the system from various external environmental conditions, hydraulic hose assemblies must be able to withstand a wide range of temperatures and pressures, as well as variations in other factors. In previous studies, an acceleration model for the hydraulic hose assembly was developed by taking into account only one of the acceleration factors (temperature or pressure). Therefore, the objective of this study is to develop a comprehensive acceleration model that takes both temperature and pressure into consideration.


Hydraulic Hose;Life Prediction;Impulse Test;Calibrated Accelerated Life Test


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