Examination of mechanical properties of 3D printed geopolymer mortar using the Taguchi method

IF 4.4 3区工程技术 Q1 ENGINEERING, CIVIL Archives of Civil and Mechanical Engineering Pub Date : 2025-01-25 DOI:10.1007/s43452-025-01130-9

Harun Tanyildizi, Ahmet Coskun, Maksut Seloglu, Taner Durmaz

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Abstract

This study examined the strength features of 3D printed fly ash-based geopolymer mortar with silica fume using the Taguchi and ANOVA methods. This study used the Taguchi L₁₈(2¹ × 3²) orthogonal array. Silica fume was used in the mixtures at 0% and 10% of the binder weight. 40 × 40 × 160 mm specimens were manufactured by a 3D printer. After the specimens were produced, they were cured at 80 °C for 24, 48, and 72 h. Then, these specimens were kept at 20 ± 2 °C for 3, 7, and 28 days. Lastly, the microstructural features, compressive strength, and flexural strength of the samples were determined. The ANOVA results found that the most affecting parameter for the strength properties of geopolymer mortars was found to be silica fume. Also, the Taguchi method found that optimum values of silica fume, curing time, and curing day for strength properties of geopolymer mortar were 10%, 48 h, and 28 days, respectively.

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使用田口法检测3D打印地聚合物砂浆的力学性能

本研究使用Taguchi和ANOVA方法研究了硅灰3D打印粉煤灰基地聚合物砂浆的强度特征。本研究采用田口L18（21 × 32）正交阵列。在粘合剂重量的0%和10%的混合物中使用硅粉。采用3D打印机制作40 × 40 × 160 mm的试件。样品制作完成后，分别在80℃下固化24、48、72 h，然后在20±2℃下保存3、7、28天。最后，测定了试样的显微组织特征、抗压强度和抗折强度。方差分析结果表明，硅灰是影响地聚合物砂浆强度性能最大的参数。此外，田口方法还发现硅灰、养护时间和养护天数对地聚合物砂浆强度性能的最佳值分别为10%、48 h和28天。

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来源期刊

Archives of Civil and Mechanical Engineering 工程技术-材料科学：综合

CiteScore

6.80

自引率

9.10%

发文量

201

审稿时长

4 months

期刊介绍： Archives of Civil and Mechanical Engineering (ACME) publishes both theoretical and experimental original research articles which explore or exploit new ideas and techniques in three main areas: structural engineering, mechanics of materials and materials science. The aim of the journal is to advance science related to structural engineering focusing on structures, machines and mechanical systems. The journal also promotes advancement in the area of mechanics of materials, by publishing most recent findings in elasticity, plasticity, rheology, fatigue and fracture mechanics. The third area the journal is concentrating on is materials science, with emphasis on metals, composites, etc., their structures and properties as well as methods of evaluation. In addition to research papers, the Editorial Board welcomes state-of-the-art reviews on specialized topics. All such articles have to be sent to the Editor-in-Chief before submission for pre-submission review process. Only articles approved by the Editor-in-Chief in pre-submission process can be submitted to the journal for further processing. Approval in pre-submission stage doesn''t guarantee acceptance for publication as all papers are subject to a regular referee procedure.