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International Journal of Automotive Technology > Volume 3(4); 2002 > Article
International Journal of Automotive Technology 2002;3(4): 137-145.
A STUDY ON EXPERIMENTAL CHARACTERISTICS OF ENERGY ABSORPTION CONTROL IN THIN-WALLED TUBES FOR THE USE OF VEHICULAR-STRUCTURE MEMBERS
S.-K. KIM1, K.-H. IM2, C.-S. HWANG3, I.-Y. YANG3
1Iksan National College
2Woosuk University
3Chosun University
ABSTRACT
Automobiles should be designed to meet the requirements and standards for the protections of passengers in a car accident. One of safety factors is an absorbing capacity in collision. Many vehicles have been designed based on the criterion of the absorbing capacity. Therefore a controller has been developed in order to control and increase the absorbing capacity of impact energy in automobile collision. The capacity of impact energy will be improved regardless of vehicular-structrue members and shapes. An sir-pressure horizontal impact tester for crushing has been built up for the evaluation of energy absorbing characteristics in collision. Influence of height , thickness and clearance in the controller have been considered to predict and control the energy absorbing capacity. Aluminum alloy (Al) tubes (30, 39, 44 mm in inner dia. and 0.8, 1.0, 1.2 mm in thickness) are tested by axial loading. The energy absorbing capacity of Al tubes have been estimated in cases of with-controller and without-controller, respectively based on height, thickness, clearance of an controller.
Key Words: Energy absorption, Absorbing capacity, Controller of energy absorption and impact loading
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