Effect of fly ash chemical components on epoxy mortar composite material performance

IF 2.3 3区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Journal of Reinforced Plastics and Composites Pub Date : 2024-09-19 DOI:10.1177/07316844241281623

Pengfei Cao, Guoxing Liang, Ming Lv

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Abstract

This study focuses on the application of fly ash (FA)-filled epoxy mortar composite material (EMCM) as a bed material for precision machine tools, emphasizing the impact of fly ash’s primary chemical components (SiO2, Al2O3, Fe2O3, and CaO) as mono-component or two-component fillers on the mechanical properties of EMCM composite material. The research thoroughly analyzed the porosity, macroscopic mechanical properties, and microstructure of the EMCM. The results revealed that increasing the filler content up to 40% significantly enhances the elastic modulus and compressive strength of the EMCM specimens, despite an increase in porosity. Specific filler combinations, such as SiO2/CaO and CaO/Fe2O3, exhibit superior performance. Additionally, Fe2O3 helps prevent sedimentation, enhancing the material’s uniformity. A comprehensive performance evaluation using the Entropy Weighted Technique for Order Preference by Similarity to Ideal Solution (EW-TOPSIS) method showed that specimens containing CaO/Fe2O3 exhibited optimal performance, even when considering cost factors.

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粉煤灰化学成分对环氧砂浆复合材料性能的影响

本研究重点关注粉煤灰（FA）填充环氧砂浆复合材料（EMCM）作为精密机床床身材料的应用，强调粉煤灰的主要化学成分（SiO2、Al2O3、Fe2O3 和 CaO）作为单组分或双组分填料对 EMCM 复合材料机械性能的影响。研究深入分析了 EMCM 的孔隙率、宏观力学性能和微观结构。结果表明，尽管孔隙率会增加，但将填料含量增加到 40% 会显著提高 EMCM 试样的弹性模量和抗压强度。特定的填料组合（如 SiO2/CaO 和 CaO/Fe2O3）表现出卓越的性能。此外，Fe2O3 还有助于防止沉积，提高材料的均匀性。使用熵权法（EW-TOPSIS）进行的综合性能评估表明，即使考虑到成本因素，含有 CaO/Fe2O3 的试样也能表现出最佳性能。

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来源期刊

Journal of Reinforced Plastics and Composites 工程技术-材料科学：复合

CiteScore

5.40

自引率

6.50%

发文量

审稿时长

1.3 months

期刊介绍： The Journal of Reinforced Plastics and Composites is a fully peer-reviewed international journal that publishes original research and review articles on a broad range of today''s reinforced plastics and composites including areas in: Constituent materials: matrix materials, reinforcements and coatings. Properties and performance: The results of testing, predictive models, and in-service evaluation of a wide range of materials are published, providing the reader with extensive properties data for reference. Analysis and design: Frequency reports on these subjects inform the reader of analytical techniques, design processes and the many design options available in materials composition. Processing and fabrication: There is increased interest among materials engineers in cost-effective processing. Applications: Reports on new materials R&D are often related to the service requirements of specific application areas, such as automotive, marine, construction and aviation. Reports on special topics are regularly included such as recycling, environmental effects, novel materials, computer-aided design, predictive modelling, and "smart" composite materials. "The articles in the Journal of Reinforced Plastics and Products are must reading for engineers in industry and for researchers working on leading edge problems" Professor Emeritus Stephen W Tsai National Sun Yat-sen University, Taiwan This journal is a member of the Committee on Publication Ethics (COPE).