纤维缠绕压力容器加卸载后的残余变形趋势研究，对提高制品的尺寸稳定性及满足压力容器的合格性认证均有重要指导意义。分析了钛内衬材料性能参数对纤维缠绕压力容器轴向残余变形趋势的影响。针对等张力缠绕压力容器，采用变角度、变厚度的精细化建模方法，建立了碳纤维螺旋加环向缠绕压力容器的筒身和封头段模型。测试了钛内衬材料在不同屈服强度下的力学性能曲线，并利用有限元模型分析了不同材料性能参数所对应的压力容器加卸载后
本文通过对复合材料传动轴结构优化、结合复合材料有限元分析及合适的工艺制备了复合材料汽车传动轴总成,并对传动轴总成的静扭强度、疲劳强度和动平衡进行了性能表征,结果表明在保持传动轴装车功能性能不变的前提下,与钢制传动轴相比可以减重40％左右,静扭强度在4000Nm以上,疲劳性能满足汽车行业要求,动平衡转速3200r/min,剩余不平衡力＜15gcm,表现出了优异的力学性能。该类型复合材料传动轴可用于四
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