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Stereolithography 3D printing of SiC ceramic with potential for lightweight optical mirror

  • Guojiao Ding
  • , Rujie He*
  • , Keqiang Zhang
  • , Niping Zhou
  • , Hao Xu*
  • *Corresponding author for this work
  • Beijing Institute of Technology
  • National Institute of Metrology China

Research output: Contribution to journalArticlepeer-review

Abstract

Silicon carbide (SiC) ceramic is the most prospective candidate material for space-based lightweight optical mirror. Stereolithography 3D printing has been reported to fabricate many kinds of ceramics, showing great potential for fabricating lightweight SiC ceramic optical mirror. In this paper, SiC ceramic was fabricated using stereolithography 3D printing combined with polymer burn-out, pre-sintering, and precursor infiltration and pyrolysis (PIP). The relative density, flexural strength, and microstructure during each step were investigated. The as-prepared lightweight SiC ceramic optical mirror exhibited high accuracy and high quality. Finally, it was proved that stereolithography 3D printing has a great potential for lightweight SiC ceramic optical mirror fabrication.

Original languageEnglish
Pages (from-to)18785-18790
Number of pages6
JournalCeramics International
Volume46
Issue number11
DOIs
Publication statusPublished - 1 Aug 2020

Keywords

  • 3D printing
  • Ceramic mirror
  • Precursor infiltration and pyrolysis
  • SiC
  • Stereolithography

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