碳化硅含量对氧化铝槽式光聚合微观结构、物理和机械性能的影响

IF 1.8 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

International Journal of Applied Ceramic Technology Pub Date : 2024-07-30 DOI:10.1111/ijac.14877

Zhengyu Zhao, Hailong Wu, Anfu Guo, Dekun Kong, Lu Wang, Chang Liu, Lvfa Yin, Guojun Xia, Xiaofei Su

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引用次数: 0

摘要

陶瓷部件的釜式光聚合（VPP）印刷具有成本低、操作简单、制造周期短等优点。然而，其缺点是印刷部件的韧性和脆性较低。本研究探讨了通过添加碳化硅（SiC）颗粒来提高氧化铝（Al2O3）陶瓷的韧性和强度。研究考察了不同碳化硅含量对 VPP 印刷 Al2O3 零件质量的影响，包括微观结构、物理性能和机械性能。结果表明，最佳的碳化硅添加量可降低 Al2O3 陶瓷的孔隙率，提高结晶质量，并增强机械性能。然而，过量的碳化硅会削弱这些优势。当 SiC 含量为 1.5 wt.% 时，Al2O3 部件的强化效果最为明显，弯曲强度和断裂韧性分别提高了 239.7% 和 564.7%。这凸显了 SiC 在提高 VPP 印刷 Al2O3 部件质量方面的积极作用。

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Effect of silicon carbide content on microstructure, physical and mechanical properties in vat photopolymerization of alumina

Vat photopolymerization (VPP) printing of ceramic parts offers advantages such as low cost, simple operation, and short fabrication cycles. However, drawbacks include low toughness and brittleness in the printed parts. This study explores enhancing the toughness and strength of alumina (Al2O3) ceramics by incorporating silicon carbide (SiC) particles as additives. The impact of varying SiC contents on the quality of VPP‐printed Al2O3 parts is examined, encompassing microstructure, physical properties, and mechanical properties. Results indicate that optimal SiC addition reduces Al2O3 ceramics' porosity, enhances crystalline quality, and boosts mechanical properties. Excessive SiC, however, diminishes these benefits. The most significant strengthening of Al2O3 parts occurred with a 1.5 wt.% SiC content, increasing bending strength and fracture toughness by 239.7% and 564.7%, respectively. This underscore SiC's positive role in enhancing the quality of VPP‐printed Al2O3 parts.

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来源期刊

International Journal of Applied Ceramic Technology 工程技术-材料科学：硅酸盐

CiteScore

3.90

自引率

9.50%

发文量

280

审稿时长

4.5 months

期刊介绍： The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas: Nanotechnology applications; Ceramic Armor; Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors); Ceramic Matrix Composites; Functional Materials; Thermal and Environmental Barrier Coatings; Bioceramic Applications; Green Manufacturing; Ceramic Processing; Glass Technology; Fiber optics; Ceramics in Environmental Applications; Ceramics in Electronic, Photonic and Magnetic Applications;