3D shape reconstruction and generation of natural pozzolan particles

IF 4.5 2区工程技术 Q2 ENGINEERING, CHEMICAL

Powder Technology Pub Date : 2024-11-10 DOI:10.1016/j.powtec.2024.120443

Bo Peng, Prabu Thannasi, Kemal Celik

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引用次数: 0

Abstract

Natural pozzolans are widely used in the construction industry due to their beneficial properties, including enhanced durability, increased long-term concrete strength, and contributions to sustainability by reducing Portland cement usage and carbon emissions. Additionally, they play a role in producing lunar regolith simulants due to their geochemical similarity to lunar regolith. While their physical and chemical characteristics are well-studied, the impact of particle morphology is significant. Understanding pozzolan particle shape and surface characteristics can optimize their reactivity, workability, and effectiveness in construction materials. Despite its importance, particle morphology is not widely assessed due to the fine scale of the particles. This paper presents a systematic approach to reconstruct and generate realistic pozzolan particles, offering valuable insights into their morphology and enhancing practical applications. Our proposed method, with its potential to improve numerical studies and serve as a foundation for pozzolan-related applications, holds promise for future construction materials and space applications.

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三维形状重建和生成天然沸石颗粒

天然云母因其有益的特性而被广泛应用于建筑行业，这些特性包括增强耐久性、提高混凝土的长期强度，以及通过减少波特兰水泥用量和碳排放来促进可持续发展。此外，由于其地球化学性质与月球碎屑岩相似，它们在生产月球碎屑岩模拟物方面也发挥着作用。虽然对它们的物理和化学特性研究得很透彻，但颗粒形态的影响也很大。了解胶凝颗粒的形状和表面特征可以优化它们在建筑材料中的反应性、可操作性和有效性。尽管颗粒形态非常重要，但由于颗粒尺度较小，因此并未对其进行广泛评估。本文提出了一种重构和生成逼真的坡莫兰颗粒的系统方法，为了解其形态和提高实际应用提供了宝贵的见解。我们提出的方法具有改进数值研究的潜力，并可作为胶凝相关应用的基础，为未来的建筑材料和空间应用带来希望。

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来源期刊

Powder Technology 工程技术-工程：化工

CiteScore

9.90

自引率

15.40%

发文量

1047

审稿时长

46 days

期刊介绍： Powder Technology is an International Journal on the Science and Technology of Wet and Dry Particulate Systems. Powder Technology publishes papers on all aspects of the formation of particles and their characterisation and on the study of systems containing particulate solids. No limitation is imposed on the size of the particles, which may range from nanometre scale, as in pigments or aerosols, to that of mined or quarried materials. The following list of topics is not intended to be comprehensive, but rather to indicate typical subjects which fall within the scope of the journal's interests: Formation and synthesis of particles by precipitation and other methods. Modification of particles by agglomeration, coating, comminution and attrition. Characterisation of the size, shape, surface area, pore structure and strength of particles and agglomerates (including the origins and effects of inter particle forces). Packing, failure, flow and permeability of assemblies of particles. Particle-particle interactions and suspension rheology. Handling and processing operations such as slurry flow, fluidization, pneumatic conveying. Interactions between particles and their environment, including delivery of particulate products to the body. Applications of particle technology in production of pharmaceuticals, chemicals, foods, pigments, structural, and functional materials and in environmental and energy related matters. For materials-oriented contributions we are looking for articles revealing the effect of particle/powder characteristics (size, morphology and composition, in that order) on material performance or functionality and, ideally, comparison to any industrial standard.