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    • Modal Analysis of Magnesium Alloy Steering Supporter and its Structure Optimization

    • Liu Yusan1

      1 ,

      Long Siyuan1

      1 ,

      Liu Bo2

      2 ,

      Chen Haibo2

      2
    • Vol. 30, Issue 12, Pages: 1105-1107(2010)   

      Published： 2010 ，

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  • Liu Yusan1, Long Siyuan1, Liu Bo2, et al. Modal Analysis of Magnesium Alloy Steering Supporter and its Structure Optimization. [J]. Special Casting & Nonferrous Alloys 30(12):1105-1107(2010) DOI：
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Abstract

With the aim at replacing the original steel supporter, modal analysis and its structure optimization of die casting magnesium alloy steering supporter were conducted. The results reveal that, compared to that of original steel supporter, the first six normal mode frequency of the magnesium alloy supporter is increased, and the relative vib-displacement is slightly reduced. However, the elastic modulus of magnesium alloy is remarkably lower than that of steel, so the local rigidity of magnesium alloy up-beam is lower than that of steel structure, which results in its first vibration deformation in corresponding to location larger than the original steel structure. Through optimizing the original magnesium alloy structure and improving the local rigidity of the up-beam, modal behavior of the magnesium alloy steering supporter can reach or partly exceed the original steel structure.

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Keywords

Magnesium Alloy; Steering Supporter; Modal Analysis; Structural Rigidity

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