形状记忆合金复合材料单轴拔出界面力学特性

来源 :第二届中国国际复合材料科技大会 (CCCM-2) | 被引量 : 0次 | 上传用户:feileizuhe
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  形状记忆合金复合材料拥有功能和承载的双重特性,未来在航空航天和轨道交通等领域具有良好的应用前景。针对形状记忆合金纤维单轴拔出行为,本文通过将纤维与基体粘结界面等效为界面相,构造了三相同轴圆柱单纤维拔出模型,并基于应力函数法和最小余能原理求解了三相材料内部应力分布方程,讨论了纤维长细比和模型长度对应力分布的影响,通过断裂力学方法求解了纤维复合材料界面临界脱粘准则,拔出实验结果和数值结果进行了对比。
其他文献
采用PAS烧结工艺在1680℃成功制备出SiC-石墨复相陶瓷,并研究了石墨含量对复相陶瓷物理力学性能、韧性、R曲线(阻力曲线)行为和抗热震性能的影响。结果 表明:随着石墨含量的增加复相陶瓷的致密度、抗弯强度、弹性模量和维氏硬度均有所降低;以韧化比(TI)作为复相陶瓷的韧性指标,表明石墨含量越多,复相陶瓷的韧性越好,存在陡峭的上升R曲线行为,该指标更能反映复相陶瓷的韧性特征;显微形貌分析发现,复相陶
The nanostructured MoO2/rGO/Ni foam 3-dimentional electrode for supercapacitor is synthesized via a two-step method.First, the graphene oxide (GO) prepared by Hummers method is electrodeposited on nic
会议
Sandwich structure composites were prepared by aluminum foam and basalt fiber, ultra-high molecular weight polyethylene(UHMWPE) fiber composite faceplate.The factors influencing the impact properties
Silicon carbide coatings were fabricated by chemical vapor deposition method using domestic graphite as substrate and methyltrichlorosilance as precursor.Two frock design: drum type and steamer type,
SiC-graphite ceramic composites were successfully fabricated by plasma activated sintering (PAS) method at 1680 ℃.The effects of graphite content on the physical mechanical properties, toughness, R-cu
Lithium-Zinc ferrite hollow microspheres (LiZn FHMs) doped with La, Mg were synthesized by Fe+Zn+Fe2O3+O2+Li2CO3 reactive system based on self-reactive quenching technology.Influence of La, Mg doping
The Mg-Al-Ti laminated metal composite sheet combines the advantages of high strength of Ti, light weight, easy melt and atomization of Mg, and good space adaptability of Al.It is well suited to as bu
High density reduced grapheneoxide (rGO) reinforced aluminum nitride (AlN) composites were successfully fabricated by one-step spark plasma sintering (SPS) method.Raman spectra showed that the raw mat
In this study a porous SiC ceramic reinforced copper-matrix composite was fabricated by mean of pre-sintering of the as-pressed porous SiC preform and spontaneous infiltration of molten Cu-Si alloy in
Apply stable prestress in the SiC ceramic in SiC-Ti6AL4V 3D confinement metal-ceramic armor system in numerical simulation.Invesitigate the unprestressed and prestressed SiC-Ti6AL4V armor systems anti