Use of HEMA in gelcasting of ceramics: A case study on fused silica

Yu Zhang, Yi Bing Cheng

Research output: Contribution to journalArticlepeer-review


Gelcasting is a useful method for producing high-strength ceramic green parts. However, industry has been reluctant to use the gelcasting technique because the most commonly used gel, acrylamide (AM), is a neurotoxin. Here we report an attempt at the gelcasting of fused silica material using a low-toxicity gel, 2-hydroxyethyl methacrylate (HEMA). The HEMA-based aqueous system was found to perform as well as AM-based systems in terms of the properties of gelcasting suspensions, cast green parts, and densified components. The new gelcasting system should be readily applicable to other ceramic materials.

Original languageEnglish (US)
Pages (from-to)2933-2935
Number of pages3
JournalJournal of the American Ceramic Society
Issue number9
StatePublished - Sep 2006

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry


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