Synthesis of aluminum borate powder, fabrication and characterization of aluminum borate-based ceramics

Özgür, Başak; Bilaç, Oğuzhan; Duran, Cihangir

doi:10.1016/j.ceramint.2024.01.413

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.01.413

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Synthesis of aluminum borate powder, fabrication and characterization of aluminum borate-based ceramics

Başak Özgür,

Oğuzhan Bilaç,

Cihangir Duran

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2024

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Cited by 2 publications

References 26 publications

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Lightweight porous Al₂O₃‐based ceramics with highly controllable performance via binder jetting

Liu,

Yang,

Yang

et al. 2024

Int J Applied Ceramic Tech

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This study introduces a feasible approach for preparing Al2O3‐based ceramics with highly controllable performance via binder jetting. The Al2O3‐based ceramics were prepared using Al2O3 and H3BO3 as raw materials. The results showed that the samples prepared with 0.24 mol H3BO3 exhibited high apparent porosity (64%–66.67%), well‐bending strength (3.46–8.53 MPa), and low thermal conductivity (0.113–0.329 W·m−1·k−1 at 200–800°C). It was observed by an electron microscope that the increase of boric acid content led to the in‐situ formation of more aluminum borate grains in the sample. Meanwhile, the remaining Al2O3 reacts with silicon oxide in the impregnation solution to form mullite whiskers. The whiskers ensured that the sample had superior mechanical properties and lower thermal conductivities. Based on the above properties, the possibility of Al2O3‐based ceramics application in the aerospace field can be speculated.

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Lightweight porous Al₂O₃‐based ceramics with highly controllable performance via binder jetting

Liu,

Yang,

Yang

et al. 2024

Int J Applied Ceramic Tech

View full text Add to dashboard Cite

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Fabrication of Al18B4O33 Spherical Powder with Increased Fluidity via Control of B2O3 Particle Size and Distribution

Song,

Lee,

Song

et al. 2024

J Powder Mater

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Ceramic materials have become essential due to their high durability, chemical stability, and excellent thermal stability in various advanced industries such as aerospace, automotive, and semiconductor. However, high-performance ceramic materials face limitations in commercialization due to the high cost of raw materials and complex manufacturing processes. Aluminum borate (Al₁₈B₄O₃₃) has emerged as a promising alternative due to its superior mechanical strength and thermal stability, despite its simple manufacturing process and low production cost. In this study, we propose a method for producing Al₁₈B₄O₃₃ spherical powder with increased uniformity and high flowability by controlling the particle size of B₂O₃. The content ratio of the manufactured Al18B4O33 spherical powder was Al2O3: B2O3 = 87:13, and it exhibited a 17% reduction in the Hausner ratio (1.04) and a 29% decrease in the angle of repose (23.9°) compared to pre-milling conditions, demonstrating excellent flowability.

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Synthesis of aluminum borate powder, fabrication and characterization of aluminum borate-based ceramics

Cited by 2 publications

References 26 publications

Lightweight porous Al₂O₃‐based ceramics with highly controllable performance via binder jetting

Lightweight porous Al₂O₃‐based ceramics with highly controllable performance via binder jetting

Fabrication of Al18B4O33 Spherical Powder with Increased Fluidity via Control of B2O3 Particle Size and Distribution

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About

Synthesis of aluminum borate powder, fabrication and characterization of aluminum borate-based ceramics

Cited by 2 publications

References 26 publications

Lightweight porous Al2O3‐based ceramics with highly controllable performance via binder jetting

Lightweight porous Al2O3‐based ceramics with highly controllable performance via binder jetting

Fabrication of Al18B4O33 Spherical Powder with Increased Fluidity via Control of B2O3 Particle Size and Distribution

Contact Info

Product

Resources

About

Lightweight porous Al₂O₃‐based ceramics with highly controllable performance via binder jetting

Lightweight porous Al₂O₃‐based ceramics with highly controllable performance via binder jetting