Defect inhibition mechanism of 3D-printed ceramics via synergetic resin composition and debinding processing regulation

IF 3.5 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of the American Ceramic Society Pub Date : 2024-10-07 DOI:10.1111/jace.20168

Shixiang Zhou, Guizhou Liu, Annan Chen, Jin Su, Kai Liu, Changshun Wang, Yue Zhang, Chunze Yan, Yunsong Shi

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Abstract

Producing ceramic parts by Vat Photopolymerization (VPP) additive manufacture with desired mechanical properties typically requires time-consuming debinding steps. This study aims at optimizing composition and processing parameters with the use of dibutyl phthalate (DBP) in the resin formulation and debinding in an argon atmosphere for dental zirconia-toughed alumina (ZTA). The method produces parts with fewer defects, and 67.7% higher flexural strength while increasing the debinding heating rate over 400% compared to standard formulations debinded in air. These improvements are attributed to pore formation at low temperatures and reduced heat release and gas evolution rates arising from use of the DBP and the inert atmosphere, respectively. While ZTA ceramics were studied, this method should be applicable to many ceramic systems with exciting possibilities for promoting the rapid development of VPP 3D-printed high-performance ceramics for various engineering applications.

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协同树脂组成与脱粘工艺调控对3d打印陶瓷缺陷抑制机理的影响

通过还原光聚合（VPP）增材制造生产具有所需机械性能的陶瓷部件通常需要耗时的脱脂步骤。本研究旨在优化邻苯二甲酸二丁酯（DBP）在树脂配方中的组成和工艺参数，并在氩气气氛下对牙科氧化锆增韧氧化铝（ZTA）进行脱脂。该方法生产的零件缺陷更少，抗折强度提高67.7%，同时与在空气中脱脂的标准配方相比，脱脂加热速度提高了400%以上。这些改进归功于低温下的孔隙形成，以及DBP和惰性气氛的使用分别减少了热量释放和气体演化速率。在研究ZTA陶瓷的同时，该方法应该适用于许多陶瓷系统，为促进VPP 3d打印高性能陶瓷在各种工程应用中的快速发展提供了令人兴奋的可能性。

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来源期刊

Journal of the American Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

7.50

自引率

7.70%

发文量

590

审稿时长

2.1 months

期刊介绍： The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials. Papers on fundamental ceramic and glass science are welcome including those in the following areas: Enabling materials for grand challenges[...] Materials design, selection, synthesis and processing methods[...] Characterization of compositions, structures, defects, and properties along with new methods [...] Mechanisms, Theory, Modeling, and Simulation[...] JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.