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买台SU7 Ultra要等40周,罪魁祸首是它
由于汽车部件每个地方受到的应力不一,碳纤维的叠层得根据强化方向的需要,以 30 °、 45 °、 60 °的角度去叠,指向哪个位置就加强哪个位置。 上海飞机设计研究院的研究员叶君、宫占峰做过一个研究,热压罐成型的复合材料的承载能力比起 RTM 高出 ...
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