Cold Sintering Process of Composites: Bridging the Processing Temperature Gap of Ceramic and Polymer Materials

Jing Guo, Seth S. Berbano, Hanzheng Guo, Amanda L. Baker, Michael T. Lanagan, Clive A. Randall

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

Co-sintering ceramic and thermoplastic polymer composites in a single step with very high volume fractions of ceramics seems unlikely, given the vast differences in the typical sintering temperatures of ceramics versus polymers. These processing limitations are overcome with the introduction of a new sintering approach, namely “cold sintering process” (CSP). CSP utilizes a transient low temperature solvent, such as water or water with dissolved solutes in stoichiometric ratios consistent with the ceramic composition, to control the dissolution and precipitation of ceramics and effect densification between room temperature and ≈200 °C. Under these conditions, thermoplastic polymers and ceramic materials can be jointly formed into dense composites. Three diphasic composite examples are demonstrated to show the overall diversity of composite material design between organic and inorganic oxides, including the microwave dielectric Li2MoO4–(C2F4 ) n, electrolyte Li1.5Al0.5Ge1.5(PO4)3–(CH2CF2 ) x [CF2CF(CF3)] y, and semiconductor V2O5–poly(3,4-ethylenedioxythiophene) polystyrene sulfonate composites. Cold sintering is more general and shall have a major impact on the processing of composite materials for many different applications, mechanical, thermal, and electronic, to mention a few possibilities. CSP concepts open up new composite material design and device integration schemes, impacting a wide variety of applications.

Original languageEnglish (US)
Pages (from-to)7115-7121
Number of pages7
JournalAdvanced Functional Materials
Volume26
Issue number39
DOIs
StatePublished - Oct 18 2016

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sintering
Polymers
Sintering
ceramics
composite materials
Composite materials
polymers
Processing
Temperature
temperature
Thermoplastics
Water
densification
Ceramic materials
sulfonates
Densification
Oxides
water
Electrolytes
Volume fraction

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Electrochemistry

Cite this

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abstract = "Co-sintering ceramic and thermoplastic polymer composites in a single step with very high volume fractions of ceramics seems unlikely, given the vast differences in the typical sintering temperatures of ceramics versus polymers. These processing limitations are overcome with the introduction of a new sintering approach, namely “cold sintering process” (CSP). CSP utilizes a transient low temperature solvent, such as water or water with dissolved solutes in stoichiometric ratios consistent with the ceramic composition, to control the dissolution and precipitation of ceramics and effect densification between room temperature and ≈200 °C. Under these conditions, thermoplastic polymers and ceramic materials can be jointly formed into dense composites. Three diphasic composite examples are demonstrated to show the overall diversity of composite material design between organic and inorganic oxides, including the microwave dielectric Li2MoO4–(C2F4 ) n, electrolyte Li1.5Al0.5Ge1.5(PO4)3–(CH2CF2 ) x [CF2CF(CF3)] y, and semiconductor V2O5–poly(3,4-ethylenedioxythiophene) polystyrene sulfonate composites. Cold sintering is more general and shall have a major impact on the processing of composite materials for many different applications, mechanical, thermal, and electronic, to mention a few possibilities. CSP concepts open up new composite material design and device integration schemes, impacting a wide variety of applications.",
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Cold Sintering Process of Composites : Bridging the Processing Temperature Gap of Ceramic and Polymer Materials. / Guo, Jing; Berbano, Seth S.; Guo, Hanzheng; Baker, Amanda L.; Lanagan, Michael T.; Randall, Clive A.

In: Advanced Functional Materials, Vol. 26, No. 39, 18.10.2016, p. 7115-7121.

Research output: Contribution to journalArticle

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T1 - Cold Sintering Process of Composites

T2 - Bridging the Processing Temperature Gap of Ceramic and Polymer Materials

AU - Guo, Jing

AU - Berbano, Seth S.

AU - Guo, Hanzheng

AU - Baker, Amanda L.

AU - Lanagan, Michael T.

AU - Randall, Clive A.

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