As a new kind of building materials, Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) exhibits superior compressive and tensile mechanical behaviors, as well as exceptional durability propert
The use of extemally bonded carbon fiber reinforced polymer (CFRP) to strengthen deficient reinforced concrete columns has gained in popularity and has become a viable and cost-effective method.This p
采用碳纤维缠绕成型技术制造的复合材料气瓶类压力容器,具有质量轻、强度高、疲劳强度好,耐腐蚀等特点,可以满足海洋油田天然气开发、天然气的陆上储运及储氢等领域的应用需求。本文综述了国内外碳纤维复合材料CNG气瓶和氢气瓶的研制及应用现状,并结合国产碳纤维复合材料应用现实,论述了碳纤维缠绕气瓶类压力容器制备的技术要点、标准规范以及成型设备等方面的最新进展,展望了碳纤维缠绕气瓶类压力容器的产业前景。
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
Application of sectional wind turbine blade is an effective access to conquer restraint of transporting and manufacturing of long blade.This paper reviewed fundamental research and it application rela
In this paper, the compressibility of the fabric preform, the in-plane permeability and the thickness direction (Z direction) permeability in vacuum infusion process (VIMP) were determined by experime
With the increasing size of wind turbine blades, the need for more sophisticated load control techniques has induced the interest for aerodynamic control systems with build-in intelligence on the blad
The investigation on axially residual deformation of filament wound pressure vessels has a great significance for improving the dimensional stability of the produced vessels and satisfying the pressur
In this paper, we prepared a composite automotive drive shaft by optimizing the structure of drive shaft, combining the finite element analysis and proper processing.Furthermore, we characterized the