启动剂粒径/比与结构参数的相关性对多孔Al2O3陶瓷渗透率的影响

IF 0.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2023-01-09 DOI:10.3103/S1061386222040124

V. I. Uvarov, R. D. Kapustin, A. O. Kirillov, O. D. Boyarchenko, O. V. Belousova

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引用次数: 0

摘要

以粗α-Al2O3填料和超细粘结剂为原料，通过SHS、压实、烧结等复合工艺制备了亚微米多孔陶瓷材料。通过改变起始试剂的大小和填料/粘结剂的比例，可以控制合成材料的孔隙率、孔径和渗透率。研究发现，在孔径在0.4 ~ 1.3µm之间的材料中，孔径对渗透率的影响大于孔隙率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The Effect of Correlation between Starting Reagent Size/Ratio and Structural Parameters on the Permeability of Porous Al2O3 Ceramics

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The Effect of Correlation between Starting Reagent Size/Ratio and Structural Parameters on the Permeability of Porous Al2O3 Ceramics

Submicron-porous ceramic materials were prepared from mixtures consisting of coarse α-Al₂O₃ filler and ultrafine binders by combined use of SHS, compaction, and sintering. Variation in starting reagent size and filler/binders ratio made it possible to control the porosity, pore size, and permeability of synthesized materials. It was found that in materials with pore size between 0.4 to 1.3 µm, pore size has a dominating influence on their permeability rather than porosity.

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来源期刊

International Journal of Self-Propagating High-Temperature Synthesis MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

33.30%

发文量

期刊介绍： International Journal of Self-Propagating High-Temperature Synthesis is an international journal covering a wide range of topics concerned with self-propagating high-temperature synthesis (SHS), the process for the production of advanced materials based on solid-state combustion utilizing internally generated chemical energy. Subjects range from the fundamentals of SHS processes, chemistry and technology of SHS products and advanced materials to problems concerned with related fields, such as the kinetics and thermodynamics of high-temperature chemical reactions, combustion theory, macroscopic kinetics of nonisothermic processes, etc. The journal is intended to provide a wide-ranging exchange of research results and a better understanding of developmental and innovative trends in SHS science and applications.