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断裂性能
    Analysis on the cause of fracture characteristic of CVD diamond film
    影响CVD金刚石膜断裂性能的原因分析
    Holes Problem Influencing on Fracture Characteristic of 3D Braided CMC
    影响三维编织CMC断裂性能的孔洞问题
    The paper mainly studies the factors to influence the fracture characteristic of diamond film from the micro - structure of low fracture diamond film.
    主要从低断裂性能的金刚石膜的显微结构方面,研究影响金刚石膜断裂性能的因素.
    Rencently, steel fiber reinforced concrete(SFRC) has been widely used, A lot of research have indicated that the steel fiber mixing into concrete can evidently improve the nonlinear characteristic and softening characteristic after peak value of SFRC . Fracture capability of SFRC is one of important capability in its mechanical characteristic,but there are a few people on studying the fracture characteristic of SFRC in our country.
    近年来,钢纤维混凝土的发展异常迅速,已经得到广泛的应用,大量研究表明钢纤维的掺入使混凝土的非线性及峰值后软化特性得到显著改善,钢纤维混凝土的断裂性能是钢纤维混凝土的重要力学性能之一,但目前国内对钢纤维混凝土断裂特性的研究还较少。
    Based on the basic mechanics performance and fracture characteristic experimentations of early-age concrete, the characteristics of damage and fracture for early-age concrete were numerically analyzed in this thesis by way of the general finite element code ABAQUS.
    本文的研究主要以早龄期混凝土基本力学性能试验及断裂性能试验为基础,并借助于大型通用有限元软件ABAQUS,对早龄期混凝土的损伤、断裂力学性能进行了有限元数值分析,研究内容包括:
    This paper deals With the plastic zone of crack tip of orthotropic plate with crack by using Hill's yield criterion and discusses the influence of anisotropic material constants on plastic zone and fracture characteristic. Meanwhile it points out the function of material constantsin the design of orthotropic plale.
    应用Hill屈服准则研究了正交异性含裂纹无限大板的裂尖塑性区,讨论了各向异性常数对塑性区及断裂性能的影响.并指出了各向异性常数在正交异性板设计中的应用.
    The distribution of accumulated Al7Cr, its hardness and wear resistance were tested, the effects of mould temperature and Cr content on microstructure were discussed, the formation process of composites and its fracture characteristic were also analysed.
    检测了偏聚Al7Cr、硬度和耐磨性沿径向的分布,考察了型温和Cr含量对显微组织的影响,分析了复合材料的形成过程和断裂性能
    The experimental(result) show that the static mechanics characteristics and the dynamic fracture characteristic of the material depend on the material's microcosmic structure.
    研究表明:材料的细观组织决定材料的静态力学性能与动态断裂性能
    When the microcosmic structure of the material has evident difference,the static mechanics characteristics and the dynamic fracture characteristic of the material will be evident changed.
    当同种材料的组织结构有较大差异时,材料的静态力学性能及动态断裂性能均会有较大改变;
 

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