[CTP]: A new structural family of near-zero expansion ceramics

Rustum Roy, D. K. Agrawal, J. Alamo, R. A. Roy

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In this paper we report the discovery of a new structural family for use in ultra-low 'α' ceramics. The prototype composition is Ca0.5Ti2P3O12 abbreviated [CTP] after which the structural family is named. The importance of this family in contrast to the eucryptite-spodumene family is the enormous range of substitutions which are possible, permitting one to control 'α' continuously over a wide range of temperature. Different compositions exhibit near zero thermal expansion in different temperature ranges.

Original languageEnglish (US)
Pages (from-to)471-477
Number of pages7
JournalMaterials Research Bulletin
Issue number4
StatePublished - Apr 1984

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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