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In order to explore the influence of different materials on the performance of automobile steering wheel skeletons, optimize steering wheel lightweight design and Noise, Vibration and Harshness (NVH) performance, this paper systematically analyzes the application of materials such as steel, aluminum alloy, magnesium alloy, Carbon Fiber Reinforced (CFRP) in automobile steering wheel skeletons, compares advantages and disadvantages of those materials in term of performance. In addition, finite element simulation technology is adopted to analyze the influence of different materials on steering wheel skeleton modal frequency. The research results indicate that CFRP features the highest modal frequency, followed by magnesium alloy and aluminum alloy, steel has the lowest modal frequency. Finauy,combined with vehicle types and usage scenarios, differential suggestions on material selection are proposed.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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