纳米碳化硅粉末在烧结过程中的结构演变

IF 18.6 1区材料科学 Q1 MATERIALS SCIENCE, CERAMICS Journal of Advanced Ceramics Pub Date : 2014-03-20 DOI:10.1155/2014/723627

G. Volkova, O. Doroshkevych, A. Shylo, T. Zelenyak, V. Burkhovetskiy, I. Danilenko, T. Konstantinova

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引用次数: 0

摘要

研究了纳米碳化硅粉末的烧结工艺。得到了密度(g/cm3)和强度(MPa)值。在分散体系理论中，考虑了材料结构的温度演化。建立了烧结温度、晶体结构特征与陶瓷物理性能特别是密度和强度之间的关系。结果表明，在2080℃以上的温度下，有必要抑制异常扩散。

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Structural Evolution of Silicon Carbide Nanopowders during the Sintering Process

Processes of sintering of silicon carbide nanopowder were investigated. Values of density ( g/cm3) and strength ( MPa) were obtained. Within the theory of dispersed systems, the temperature evolution of the materials structure was considered. The relationship between sintering temperature, characteristics of crystal structure and physical properties, in particular, density, and strength of aforementioned ceramics was established. It was concluded that it is necessary to suppress the anomalous diffusion at temperatures above 2080°C.

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来源期刊

Journal of Advanced Ceramics MATERIALS SCIENCE, CERAMICS-

CiteScore

21.00

自引率

10.70%

发文量

290

审稿时长

14 days

期刊介绍： Journal of Advanced Ceramics is a single-blind peer-reviewed, open access international journal published on behalf of the State Key Laboratory of New Ceramics and Fine Processing (Tsinghua University, China) and the Advanced Ceramics Division of the Chinese Ceramic Society. Journal of Advanced Ceramics provides a forum for publishing original research papers, rapid communications, and commissioned reviews relating to advanced ceramic materials in the forms of particulates, dense or porous bodies, thin/thick films or coatings and laminated, graded and composite structures.