汽车前后端装有保险杠(bumper),不仅有装饰功能,更重要是吸收和缓和外界冲击力、防护车身保护车身及乘员安全功能的安全装置。
The present metal Circular tube automobile bumper has better intensity and stiffness, but its energy absorb is worse. Aluminum foam has worse intensity and stiffness, but its energy absorb is better.
现有的空心金属圆管汽车保险杠虽然强度和刚度高,但吸能性差;泡沫铝的强度和刚度虽不高,但吸能性好。
参考来源 - 泡沫铝夹芯结构汽车保险杠的研究及结构优化·2,447,543篇论文数据,部分数据来源于NoteExpress
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