光固化3D打印SiOC (Fe)陶瓷及其吸波性能研究

doi:10.3901/JME.2024.23.377

机械工程学报 ›› 2024, Vol. 60 ›› Issue (23): 377-384.doi: 10.3901/JME.2024.23.377

• 数字化设计与制造 • 上一篇

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光固化3D打印SiOC (Fe)陶瓷及其吸波性能研究

林骁¹, 刘志远^1,2, 刘长勇^1,2, 陈张伟^1,2

1. 深圳大学增材制造研究所深圳 518060;
2. 广东省电磁控制与智能机器人重点实验室深圳 518060

收稿日期:2023-12-14 修回日期:2024-06-01 出版日期:2024-12-05 发布日期:2025-01-23
作者简介:林骁，女，1994年出生，博士。主要研究方向为陶瓷增材制造。E-mail：linxiao@szu.edu.cn;陈张伟(通信作者)，男，1985年出生，博士，教授，博士研究生导师。主要研究方向为增材制造。E-mail：chen@szu.edu.cn
基金资助:
广东省高校重点领域专项(2022ZDZX3017)、广东省特支计划(2021TQ05Z151)、国家自然科学基金面上(51975384)、深圳市稳定支持计划(20200731211324001)和深圳市国际合作(GJHZ20210705141803011)资助项目。

Photopolymerization 3D Printing and Electromagnetic Absorption Performance of SiOC(Fe) Ceramics

LIN Xiao¹, LIU Zhiyuan^1,2, LIU Changyong^1,2, CHEN Zhangwei^1,2

1. Additive Manufacturing Institute, Shenzhen University, Shenzhen 518060;
2. Guangdong Key Lab of Electromagnetic Control and Intelligent Robotics, Shenzhen University, Shenzhen 518060

Received:2023-12-14 Revised:2024-06-01 Online:2024-12-05 Published:2025-01-23

摘要/Abstract

摘要： 以聚合物前驱体陶瓷材料为基础，以乙烯基二茂铁作为铁源，采用光固化3D打印的方式制造了SiOC (Fe)复合陶瓷吸波材料。利用光固化3D打印精度高、产品形状多样的特性，制备出具有特殊点阵结构的复合吸波陶瓷结构，探索了配方组成对打印件电磁吸波性能的影响。通过对复合材料的物相结构、微观形貌及吸波性能进行综合分析发现：当以乙烯基二茂铁作为铁源时，经过打印和热解处理的样品仍然含有非晶相的碳，这表明该陶瓷具有出色的高温稳定性和高温抗氧化性能。经过热解处理后，样品中出现了一定量的C和Fe₃C晶体相，这说明VcFe与SiOC在高温热解过程中发生了反应，生成了自由碳和Fe₃C。所有样品均属于软磁性材料，在10～18 GHz的频率范围内，所有样本的反射损耗值(R值)都在-10～-20 dB之间，表明所有样品对电磁波的吸收率都可达到90%～99%。

关键词: 陶瓷增材制造, 光固化3D打印, SiOC(Fe)陶瓷, 吸波性能

Abstract: This study focuses on the preparation of SiOC(Fe) composite ceramic absorber materials using a polymer precursor-based approach with vinyl-ferrocene as the iron source and employing photopolymerization-based 3D printing. Leveraging the high precision and diverse product shapes achievable through photopolymerization 3D printing, composite absorber ceramic materials with a specific lattice structure are synthesized. The study explores the influence of formulation composition on the electromagnetic absorption performance of the materials. Comprehensive analysis of the phase structure, microstructure, and absorption properties of the composite materials reveals that when VcFe is used as the iron source, the printed and heat-treated samples still contain amorphous carbon, indicating excellent high-temperature stability and oxidation resistance of the ceramic. After heat treatment, a certain amount of C and Fe₃C crystalline phases appear in the samples, suggesting a reaction between VcFe and SiOC during high-temperature pyrolysis, resulting in the formation of free carbon and Fe₃C. All samples exhibit soft magnetic characteristics, and within the frequency range of 10 to 18 GHz, the reflection loss values (R) for all samples fall between -10 and -20 dB, indicating absorption rates ranging from 90% to 99% for electromagnetic waves.

Key words: ceramic additive manufacturing, photopolymerization 3D printing, SiOC(Fe) ceramic, electromagnetic absorption

中图分类号:

TM911

林骁, 刘志远, 刘长勇, 陈张伟. 光固化3D打印SiOC (Fe)陶瓷及其吸波性能研究[J]. 机械工程学报, 2024, 60(23): 377-384.

LIN Xiao, LIU Zhiyuan, LIU Changyong, CHEN Zhangwei. Photopolymerization 3D Printing and Electromagnetic Absorption Performance of SiOC(Fe) Ceramics[J]. Journal of Mechanical Engineering, 2024, 60(23): 377-384.

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光固化3D打印SiOC (Fe)陶瓷及其吸波性能研究

Photopolymerization 3D Printing and Electromagnetic Absorption Performance of SiOC(Fe) Ceramics

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