Hot deformation behavior of Mg-Zn-Gd-Y base alloys with different contents of quasicrystal 不同准晶含量Mg-Zn-Gd-Y合金的高温热压缩变形行为
What Dr Shechtman had discovered, he realised, was a new sort of material called a quasicrystal. 舍特曼博士意识到他所发现的是一种新材料,将之取名为准晶体。
Dispersion Properties of Modified Octagon Photonic Quasicrystal Fibers 改进的八重准光子晶体光纤的色散特性研究
Drag-reduction property of composite structure surface with planar quasicrystal THE COMPLEX METHOD OF PLANE ELASTICITY IN TWO-DIMENSIONAL DECAGONAL QUASICRYSTAL AND ITS APPLICATION 人工构建二维准晶复合结构的减阻特性研究点群10十次对称二维准晶平面弹性的复变方法及应用
Friction and Wear Behavior of Mg-Zn-Y Quasicrystal Materials 普通凝固Mg-Zn-Y准晶材料的摩擦磨损特性
Research on Material and Structure Characteristics of Quasicrystal Material 吸声材料和吸声结构准晶材料的结构特征和材料特性的研究
Methods The basic governing equations of quasicrystal elasticity theory and Gauss's theorem were applied in the derivation. 目的推广经典晶体弹性理论中的几个基本定理到准晶弹性理论中去。
Dispersion Properties of Photonic Quasicrystal Fibers with an Air Hole Varying Cladding 包层空气孔渐变的准光子晶体光纤的色散特性研究
Effects of master alloy of quasicrystal containing magnesium additions and solution treatment on microstructure and mechanical properties of AZ91 magnesium alloy were studied. 研究了镁基准晶中间合金和固溶处理工艺对AZ91合金显微组织和力学性能的影响。
The complex method of plane elasticity in two-dimensional decagonal quasicrystal and its application 点群10十次对称二维准晶平面弹性的复变方法及应用
Quasicrystal symmetry and physical properties 准晶的对称性和物理性质
The thermal stability, dynamics, microstructure of crystallization of Zr-based amorphous alloys and nanocrystal, quasicrystal in amorphous alloys were analyzed. The application of Zr-based amorphous alloys was reviewed. 分析了锆基非晶在晶化过程中的热稳定性和动力学,以及晶化过程中的纳米晶、准晶与组织、结构的变化,并对锆基非晶合金的应用进行了评述。
The geometric theory of quasicrystal structures is an important subject in quasi-crystal research. 准晶结构几何理论是准晶研究的重要课题。
The fracture theory of cubic quasicrystal was developed. 发展了立方准晶材料的断裂理论。
The work in this thesis can be summarized as: Five structure of the quasicrystal approximant were studied. 总之作者在本论文中的工作可以归纳为:确定了五种准晶近似相的结构,尝试了两种新方法,一种是联合利用电子显微学和单晶X射线衍射来确定准晶近似相中的复杂结构;
Finally, it discusses the multiscale fractal feature of quasicrystal conjugate structure. 最后讨论了准晶共轭结构的多标度分形特征。
The effect of Mn on formation of three-dimension spherical icosahedral quasicrystal phase in Mg-based master alloy has been discussed. 讨论了Mn对镁基准晶中间合金中三维二十面体球形准晶相形成过程的影响。
A study of quasicrystal structure 准晶结构研究的进展
Quasicrystal is considered as a new material state between glass and crystal with a fractal structure. 准晶态被认为是介于玻璃态和结晶态之间的一种新物态,具有分数维结构。
Alloying composition and cooling rate are major factors affecting the morphology of icosahedral quasicrystal. 合金的成分和冷却速率是影响准晶形貌的主要因素。
This could be attributed to the improvement of local deformation resistance caused by Zn-Mg-Ti quasicrystal. 这是由于Zn-Mg-Ti准晶增加了基体的局部抗变形能力。
The in-depth studies and perfection of quasicrystal theory cause positive progress in the field of quasicrystal application. 随着人们对准晶研究的深入,准晶的理论不断的完善,而且准晶的应用中也取得了积极的进展。
Quasicrystal material is also attracting increasing research interests due its quasi-periodic structure and the phonon-phason coupling property. 准晶材料由于其独特的准周期结构以及声子场和相位子场的耦合特性也引起了广泛的研究兴趣。
The power of Zn-Mg-Ti quasicrystal growth after nucleation is derived from phase transformation driving force of Zn-Mg-Ti quasicrystal. Zn-Mg-Ti准晶相在形核后的长大过程所需的动力来源于Zn-Mg-Ti准晶相变驱动力。
Basing on "cluster plus glue atoms" in the quasicrystal and metallic glasses, this method is to be extended and applied to describe macroscopic composition and microcosmic structure. 基于之前运用团簇加连接原子这种团簇式模型描述准晶和金属玻璃,我们将这种方法推广到对合金相的宏观成分和微观结构的描述。
Quasicrystal is a kind of peculiar material structure which has quasiperiodic order. 准晶是一种具有准周期序的奇特物质结构。
Zinc based quasicrystal strengthening Zinc alloy provides a new way for application of quasicrystal in industry. 采用锌基准晶增强锌基合金为实现准晶在工业领域中的应用提供了一条途径。
Discovery of quasicrystal breaks the conventional definition of crystal but also brings about a revolution in the material field. 准晶的发现,不仅打破了传统晶体学对于晶体的定义,而且也带来了材料学科的一场革命。
Besides, the growth law as well as morphological characteristics of Zn-Mg-Ti quasicrystal phase and its approximate phase were also investigated. 并且对Zn-Mg-Ti准晶相及其近似相的生长规律和形态特征进行了研究。