The Study Of Rings Under Quasi-Static Loading

Aishatul Rodhiah, Mohamad (2009) The Study Of Rings Under Quasi-Static Loading. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Recently the number of car accident in our country increased tremendously. One of the factors causing injury to the drivers and the passengers was the lack of the ability of the material to absorb energy when subjected to impact. This study was conducted in order to evaluate the mechanical properties of mild steel ring and its ability in absorbing the energy when subjected to impact. The ability of mild steel ring to absorb the energy will determine the applicable of this material in the area that involve with impact. In this research, the mild still ring was used to study its ability to absorb energy. Compression test is performed to check the ability of the material in absorbing the energy and the mechanical properties of the material was determined by hardness test (Rockwell). The hardness test shows that the ultimate stress is higher than the yield stress which indicates that the mild still ring is suitable to be used as efficient energy absorption material. This research will show the differences between multiple layer circular rings and single circular ring in order to absorb energy. Graph of compression test also can show the value of collapse force and displacement collapse for the both type of circular ring. From that graph, state that the multiple layer circular rings has high value in collapse force and it is also has high value of energy absorbing where the value of the energy absorb for multiple layer circular ring is double compare to the single circular ring. Besides that, this research also contain of the theoretical analysis that use ABAQUS Software. The theoretical result will compare to the experimental result.

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