复合基涂料用稳定ZrB2-SiC-B4C水悬浮液的制备:固含量和分散剂对稳定性的影响

IF 18.6 1区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of Advanced Ceramics Pub Date : 2014-09-07 DOI:10.1155/2014/370851

M. Mashadi, M. Mohammadijoo, Alireza Honarkar, Z. Khorshidi

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引用次数: 2

摘要

以聚乙亚胺为分散剂制备了ZrB2-SiC-B4C水悬浮液。由于增加悬浮液的固体含量会导致最终涂层的高压实度，从而降低孔隙率，因此研究了固体含量的影响。分散剂和固体含量在0.3-1.5 wt范围内变化。%和45-55卷。%，以评估最佳条件对悬液稳定性和特性的影响。zeta电位测量和pH值7.8下的流变学分析结果表明，该复合悬浮液含有45 vol。%固体含量和1.5 wt。%分散剂处于稳定状态。

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Preparation of Stable ZrB2-SiC-B4C Aqueous Suspension for Composite Based Coating: Effect of Solid Content and Dispersant on Stability

ZrB2-SiC-B4C aqueous suspension has been prepared using poly(ethyleneimine) as a dispersant. Since increasing the solid content of suspension leads to high compaction and consequently low porosities through final coat, the effect of solid content has been studied. The dispersant and solid content were changed in the range of 0.3–1.5 wt.% and 45–55 vol.%, respectively, to assess the optimal conditions effect on stability and characteristics of suspension. Results of zeta potential measurements and rheological analysis at pH 7.8 showed that the composite suspension including 45 vol.% solid content and 1.5 wt.% dispersant was in stable state.

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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.