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Applying Quantitative Microstructure Control in Advanced Functional Composites

机译:在高级功能复合材料中应用定量组织控制

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摘要

Microstructure control in functional materials draws from a historical reserve rich in established theory and experimental observation of metallurgy. Methods such as rapid solidification, eutectoid reaction, and nucleation and growth precipitation have all proven to be effective means to produce microstructure relevant for a wide array of applications. Here, the available parameters to control structure morphology, size, and spacing are discussed using thermoelectric composites as an example. Moreover, exploiting different aspects of a material system's phase diagram enables a controlled introduction of nanostructures. While much of this discussion is pertinent to the rapidly developing field of thermal conductivity control in thermoelectric composites, these techniques can be applied to a variety of other material systems where their use may lead to novel electrical, optical, as well as thermal properties of semiconductors and insulators as it has in the past for the mechanical properties of metals.
机译:功能材料的微结构控制来自历史悠久的储备,该储备丰富了冶金学的理论和实验观察。快速凝固,共析反应,成核和生长沉淀等方法均被证明是生产与广泛应用相关的微结构的有效手段。在此,以热电复合材料为例,讨论了控制结构形态,尺寸和间距的可用参数。此外,利用材料系统相图的不同方面,可以控制引入纳米结构。尽管许多讨论都与热电复合材料中热导率控制领域的迅速发展有关,但这些技术可以应用于多种其他材料系统,在这些系统中,它们的使用可能导致半导体产生新颖的电学,光学以及热学性质。和过去用于金属机械性能的绝缘子。

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  • 来源
    《Advanced Functional Materials》 |2014年第15期|2135-2153|共19页
  • 作者单位

    Materials Science, California Institute of Technology 1200 E. California Blvd. Pasadena, CA, 91125, USA;

    Materials Science and Engineering Ibaraki University 4-12-1, Nakanarusawa, Hitachi, 316-8511, Japan;

    School of Materials Science and Engineering Tongji University 4800 Caoan Rd., Shanghai, 201804, China;

    Materials Science, California Institute of Technology 1200 E. California Blvd. Pasadena, CA, 91125, USA;

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