Cold Sintering Process

A Novel Technique for Low-Temperature Ceramic Processing of Ferroelectrics

Hanzheng Guo, Amanda Baker, Jing Guo, Clive A. Randall

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Research on sintering of dense ceramic materials has been very active in the past decades and still keeps gaining in popularity. Although a number of new techniques have been developed, the sintering process is still performed at high temperatures. Very recently we established a novel protocol, the “Cold Sintering Process (CSP)”, to achieve dense ceramic solids at extraordinarily low temperatures of <300°C. A wide variety of chemistries and composites were successfully densified using this technique. In this article, a comprehensive CSP tutorial will be delivered by employing three classic ferroelectric materials (KH2PO4, NaNO2, and BaTiO3) as examples. Together with detailed experimental demonstrations, fundamental mechanisms, as well as the underlying physics from a thermodynamics perspective, are collaboratively outlined. Such an impactful technique opens up a new way for cost-effective and energy-saving ceramic processing. We hope that this article will provide a promising route to guide future studies on ultralow temperature ceramic sintering or ceramic materials related integration.

Original languageEnglish (US)
Pages (from-to)3489-3507
Number of pages19
JournalJournal of the American Ceramic Society
Volume99
Issue number11
DOIs
StatePublished - Jan 1 2016

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Ferroelectric materials
Sintering
Processing
Ceramic materials
Temperature
Energy conservation
Demonstrations
Physics
Thermodynamics
Composite materials
Costs

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

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Cold Sintering Process : A Novel Technique for Low-Temperature Ceramic Processing of Ferroelectrics. / Guo, Hanzheng; Baker, Amanda; Guo, Jing; Randall, Clive A.

In: Journal of the American Ceramic Society, Vol. 99, No. 11, 01.01.2016, p. 3489-3507.

Research output: Contribution to journalArticle

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