Energy Absorption and Deformation Pattern on Two Segment Crash Box with Rubber Connection Variation

Authors

  • Moch Agus Choiron Mechanical Engineering Department, Brawijaya University, Malang, Indonesia
  • Muhamad Ainul Yaqin Mechanical Engineering Department, Brawijaya University, Malang, Indonesia
  • Al Emran Ismail Department Engineering Mechanics, Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, Johor Malaysia
  • Shahruddin Mahzan @Mohd Zin Department Engineering Mechanics, Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, Johor Malaysia

Keywords:

two segment, crash box, rubber, energy absorption, deformation pattern

Abstract

Crash box is known as passive safety devices used to reduce collision damage effect. This study aims to develop two-segment crash box design by utilizing rubber as intersegment holder. Al 6063-T5 is used as crash box material with Butyl Rubber connection. The design parameter is the location of the segment connections: 1/4, 1/3, and 1/2 of the total length of the crash box. Energy absorption, and deformation patterns is observed as response variables. From the simulation result, it can be obtained that crash box with 1/3 segment connection has the highest energy absorption (1.326 kJ). The results showed that crushing force efficiency (CFE) of the crash box with 1/3 segment connection was highest, followed 1/4 segment connection and 1/2 segment connection, respectively. The deformation pattern of three models is diamond mode. The deformation pattern of the crash box with 1/3 segment connection is more stable due to more symmetrical deformation pattern.

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Published

2020-12-14

How to Cite

Choiron, M. A., Yaqin, M. A. ., Ismail, A. E. ., & @Mohd Zin, S. M. (2020). Energy Absorption and Deformation Pattern on Two Segment Crash Box with Rubber Connection Variation. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 55(1), 20–28. Retrieved from https://akademiabaru.com/submit/index.php/arfmts/article/view/2454
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