配方驱动的3YSZ高级陶瓷数字光加工增材制造

IF 2.9 Q1 MATERIALS SCIENCE, CERAMICS

Open Ceramics Pub Date : 2025-04-22 DOI:10.1016/j.oceram.2025.100785

Athanasios Goulas, Basar Ozkan, Sina Saremi-Yarahmadi, Bala Vaidhyanathan

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引用次数: 0

摘要

氧化锆具有较高的机械强度、热稳定性和生物相容性，是一种重要的高级陶瓷。然而，基于还原光聚合的氧化锆增材制造提出了需要先进配方和加工的挑战。本研究证明了利用数字光处理技术（DLP）成功制备了3mol .%氧化钇稳定氧化锆（3YSZ）。复杂的绿体由含有46 vol.%固体（82 wt.%）的陶瓷悬浮液形成，然后在1475°C下去除热粘结剂并烧结4小时。3d打印结构的密度达到99.4±0.2%，平均维氏显微硬度为1244.2±98.2 HV1/10（12.2±0.96 GPa）。这项工作强调，密集、坚固的3YSZ组件可以使用低成本的DLP设备生产，扩大了先进陶瓷增材制造的可及性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Formulation-driven additive manufacturing of 3YSZ advanced ceramics via digital light processing

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Formulation-driven additive manufacturing of 3YSZ advanced ceramics via digital light processing

Zirconia is a key advanced ceramic due to its high mechanical strength, thermal stability, and biocompatibility. However, vat photopolymerisation-based additive manufacturing of zirconia presents challenges requiring advanced formulations and processing. This study demonstrates the successful fabrication of 3 mol.% yttria-stabilised zirconia (3YSZ) using digital light processing (DLP). Complex green bodies were shaped from ceramic suspensions with 46 vol.% solids (82 wt.%), followed by thermal binder removal and sintering at 1475 °C for 4 h. The 3D-printed structures achieved 99.4 ± 0.2 % density and an average Vickers microhardness of 1244.2 ± 98.2 HV_1/10 (12.2 ± 0.96 GPa). This work highlights that dense, robust 3YSZ components can be produced using low-cost DLP equipment, broadening accessibility in advanced ceramic additive manufacturing.

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