Mechanical properties improving and microstructure characterization of inorganic artificial stone binder

IF 1.9 4区材料科学 Q3 Materials Science Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI:10.1515/secm-2022-0162

Yifeng Huang, Lanyu Ma, W. Lai, Qiufeng Mo, Yihua Zheng, Yanming Li, Mengxue Xu, Zhimin Huang

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Abstract

Abstract In this article, aiming at the problems of low mechanical properties and the unstable structure of the binder in inorganic artificial stone, performance improvements were studied. The effects of 12 materials of blast-furnace slag (BFS), fly ash (FA), and kaolin on the properties and microstructure of inorganic binders were systematically studied and analyzed. As a result, the compressive strength of BFS-2, FA-1, and FA-2 binder was increased by 10.0, 6.0, and 1.5%, and the flexural strength was increased by 44.8, 79.2, and 1.3%, respectively. It was worth noting that BFS and FA could effectively promote hydration reactions due to active materials and boost the growth of C–S–H and CH, leading to the inorganic binder forming a stable structure. Thus, this work systematically designs and prepares inorganic binders with high compressive strength and excellent flexural strength. This reveals how inorganic materials affect the properties of inorganic binders on the microstructure and offer a new idea for the development of this field.

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无机人造石粘结剂的力学性能改善及微观结构表征

摘要针对无机人造石粘结剂力学性能低、结构不稳定等问题，进行了性能改进研究。系统研究和分析了炉渣、粉煤灰、高岭土等12种材料对无机粘结剂性能和微观结构的影响。结果表明，BFS-2、FA-1和FA-2粘结剂抗压强度分别提高10.0%、6.0和1.5%，抗弯强度分别提高44.8%、79.2和1.3%。值得注意的是，BFS和FA能有效促进活性物质的水化反应，促进C-S-H和CH的生长，使无机粘结剂形成稳定的结构。因此，本工作系统地设计和制备了具有高抗压强度和优异抗弯强度的无机粘结剂。揭示了无机材料对无机粘结剂微观结构性能的影响，为该领域的发展提供了新的思路。

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来源期刊

Science and Engineering of Composite Materials 工程技术-材料科学：复合

CiteScore

3.10

自引率

5.30%

发文量

审稿时长

4 months

期刊介绍： Science and Engineering of Composite Materials is a quarterly publication which provides a forum for discussion of all aspects related to the structure and performance under simulated and actual service conditions of composites. The publication covers a variety of subjects, such as macro and micro and nano structure of materials, their mechanics and nanomechanics, the interphase, physical and chemical aging, fatigue, environmental interactions, and process modeling. The interdisciplinary character of the subject as well as the possible development and use of composites for novel and specific applications receives special attention.