无机材料学报 ›› 2023, Vol. 38 ›› Issue (12): 1373-1378.DOI: 10.15541/jim20230216

所属专题: 【制备方法】3D打印(202312)

• 研究论文 •    下一篇

颗粒级配对黏结剂喷射打印碳化硅陶瓷性能的影响

顾薛苏1(), 殷杰1(), 王康龙1, 崔崇2, 梅辉3, 陈忠明1, 刘学建1, 黄政仁1,4()   

  1. 1.中国科学院 上海硅酸盐研究所, 上海 200050
    2.南京理工大学 材料科学与工程学院, 南京 210094
    3.西北工业大学 材料学院, 西安 710072
    4.中国科学院 宁波材料技术与工程研究所, 宁波 315201
  • 收稿日期:2023-05-05 修回日期:2023-06-16 出版日期:2023-06-28 网络出版日期:2023-06-28
  • 通讯作者: 殷 杰, 副研究员. E-mail: jieyin@mail.sic.ac.cn;
    黄政仁, 研究员. E-mail: zhrhuang@mail.sic.ac.cn
  • 作者简介:顾薛苏(1997-), 男, 硕士研究生. E-mail: guxs2022@163.com
  • 基金资助:
    国家自然科学基金(U22A20129);国家自然科学基金(52073299);国家自然科学基金(52172077);国家重点研发计划(2022YFB3706300)

Effect of Particle Grading on Properties of Silicon Carbide Ceramics by Binder Jetting Printing

GU Xuesu1(), YIN Jie1(), WANG Kanglong1, CUI Chong2, MEI Hui3, CHEN Zhongming1, LIU Xuejian1, HUANG Zhengren1,4()   

  1. 1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
    2. School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
    3. School of Materials, Northwestern Polytechnical University, Xi’an 710072, China
    4. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  • Received:2023-05-05 Revised:2023-06-16 Published:2023-06-28 Online:2023-06-28
  • Contact: YIN Jie, associate professor. E-mail: jieyin@mail.sic.ac.cn;
    HUANG Zhengren, professor. E-mail: zhrhuang@mail.sic.ac.cn
  • About author:GU Xuesu(1997-), male, Master candidate. E-mail: guxs2022@163.com
  • Supported by:
    National Natural Science Foundation of China(U22A20129);National Natural Science Foundation of China(52073299);National Natural Science Foundation of China(52172077);National Key R&D Program of China(2022YFB3706300)

摘要:

碳化硅(SiC)陶瓷作为一种高性能结构功能一体化的陶瓷材料, 在航空航天、核能工业和制动系统等领域应用广泛。然而, 传统的制造方法无法满足大尺寸复杂结构SiC陶瓷日益增长的市场需求, 例如发动机喷嘴、襟翼和涡轮叶片等。黏结剂喷射(BJ)3D打印突破了传统成型的约束, 可以提供新的制造思路。本工作采用颗粒级配SiC的思路, 基于级配理论优化较佳的颗粒度配比, 研究了BJ打印对级配前后SiC陶瓷素坯及烧结体性能的影响。研究发现, BJ打印级配后的SiC素坯经过一次前驱体浸渍裂解(PIP)处理, 能够快速制备抗弯强度最大达到(16.70± 0.53) MPa的SiC素坯, 相比采用20 μm中位径未级配的样品提高了116%。进一步采用液相渗硅制备了致密的SiC陶瓷, 其密度、抗弯强度、弹性模量和断裂韧性分别达到(2.655±0.001) g/cm3, (285±30) MPa, (243±12) GPa和(2.54±0.02) MPa·m1/2。XRD分析表明, SiC烧结体主要以3C-β-SiC晶为主。本研究基于颗粒级配的原料, 采用黏结剂喷射打印, 结合一次浸渍裂解与液相渗硅制备工艺, 高效可靠地制备了高性能SiC陶瓷材料。

关键词: 碳化硅, 颗粒级配, 黏结剂喷射打印, 前驱体浸渍裂解

Abstract:

Silicon carbide (SiC) ceramics, as a high-performance structural-functional integrated material, are widely used in aerospace, nuclear industry and braking system. However, the conventional fabrication methods can not meet the increasing demands for large-scale and complex-structured SiC ceramics, such as engine nozzles, flaps and turbine blades. Binder jetting (BJ) 3D printing technology can overcome the traditional obstacle and provide a novel manufacturing roadmap. Here, we adopted this technique via SiC particle grading, optimized the particle size ratio based on gradation theory, and studied the influence of BJ printing on properties of SiC green body and as-sintered ceramic. For the particle-graded green body after BJ printing, SiC ceramics with a maximum flexural strength of (16.70±0.53) MPa was obtained after one precursor impregnation and pyrolysis (PIP) treatment, whose flexural strength was improved by 116% as compared with that BJ printed from a median diameter of 20 μm. SiC ceramics were further densified using liquid phase siliconization, with the density, flexural strength, elastic modulus, and fracture toughness reaching (2.655±0.001) g/cm3, (285±30) MPa, (243±12) GPa, and (2.54±0.02) MPa·m1/2, respectively. XRD results demonstrated that the sintered SiC ceramics were mainly composed of 3C structured-β-SiC. All results show that high-performance SiC ceramic materials are innovatively prepared by an efficient and reliable method, based on the combined techniques of particle grading, BJ printing, PIP and liquid silicon infiltration.

Key words: silicon carbide, particle grading, binder jetting printing, precursor impregnation and pyrolysis

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