Bulk iodoapatite ceramic densified by spark plasma sintering with exceptional thermal stability

Tiankai Yao, Fengyuan Lu, Hongtao Sun, Jianwei Wang, Rodney C. Ewing, Jie Lian

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Iodoapatite powder prepared by high-energy ball milling is densified by Spark Plasma Sintering to ∼96% theoretical density. X-ray Diffraction and First-principle Calculation indicates the sintered phase is iodine-deficient apatite with chemical composition of Pb9.85(VO4) 6I1.7 and iodine confinement over 8 wt%. Thermogravimetric analysis shows the bulk iodoapatite displays exceptionally stability without iodine release until 670°C. The greatly improved iodine confinement can be attributed to the dense matrix upon rapid consolidation from highly activated powders by mechanical attrition.

Original languageEnglish (US)
Pages (from-to)2409-2412
Number of pages4
JournalJournal of the American Ceramic Society
Volume97
Issue number8
DOIs
StatePublished - Jan 1 2014

Fingerprint

Spark plasma sintering
Iodine
Thermodynamic stability
Powders
Apatites
Apatite
Ball milling
Consolidation
Thermogravimetric analysis
X ray diffraction
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Yao, Tiankai ; Lu, Fengyuan ; Sun, Hongtao ; Wang, Jianwei ; Ewing, Rodney C. ; Lian, Jie. / Bulk iodoapatite ceramic densified by spark plasma sintering with exceptional thermal stability. In: Journal of the American Ceramic Society. 2014 ; Vol. 97, No. 8. pp. 2409-2412.
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Bulk iodoapatite ceramic densified by spark plasma sintering with exceptional thermal stability. / Yao, Tiankai; Lu, Fengyuan; Sun, Hongtao; Wang, Jianwei; Ewing, Rodney C.; Lian, Jie.

In: Journal of the American Ceramic Society, Vol. 97, No. 8, 01.01.2014, p. 2409-2412.

Research output: Contribution to journalArticle

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