Effect of selected organic additives on the properties of magnesia-chromite refractories

IF 0.5 4区工程技术 Q4 CONSTRUCTION & BUILDING TECHNOLOGY

Cement Wapno Beton Pub Date : 2022-01-01 DOI:10.32047/cwb.2022.27.4.4

Eryk Goldmann, Aleksandra Kostrzanowska-Siedlarz, M. Górski, B. Klemczak

引用次数: 0

Abstract

The addition of carbon nanomaterials influences the variety of properties, of cementitious composites. Despite the multiple researches in the topic of properties of the hardened cement materials the influence of the Mutiwall Carbon Nanotubes [MWCNT] on rheological parameters of the cement mortars is not sufficiently described. Research shows that rheological properties of cement mortars with the MWCNTs, determined with the use of Viscometer NT, proved to be strongly dependent on the sonication time and amount of MWCNT, added. Increase of sonication time of MWCNT suspension with surfactant and decrease of amount of MWCNT caused increment in fluidity while yield stress parameter and plastic viscosity parameter decreased.

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有机添加剂对镁铬铁矿耐火材料性能的影响

碳纳米材料的加入影响了胶凝复合材料的各种性能。尽管对硬化水泥材料性能的研究较多，但多壁碳纳米管(MWCNT)对水泥砂浆流变参数的影响尚未得到充分的描述。研究表明，使用粘度计NT测定的含有MWCNT的水泥砂浆的流变特性，被证明强烈依赖于MWCNT的超声时间和用量。表面活性剂对纳米碳纳米管悬浮液超声处理时间的延长和纳米碳纳米管用量的减少使纳米碳纳米管悬浮液的流动性增加，而屈服应力参数和塑性粘度参数则降低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cement Wapno Beton CONSTRUCTION & BUILDING TECHNOLOGY-MATERIALS SCIENCE, COMPOSITES

CiteScore

1.30

自引率

28.60%

发文量

审稿时长

>12 weeks

期刊介绍： The Publisher of the scientific bimonthly of international circulation, entitled "Cement-Wapno-Beton" ["Cement-Lime-Concrete"], is the Fundacja Cement, Wapno, Beton [Foundation Cement, Lime, Concrete]. The periodical is dedicated to the issues concerning mineral setting materials and concrete. It is concerned with the publication of academic and research works from the field of chemistry and technology of building setting materials and concrete