The composition and performance of alite-ye'elimite clinker produced at 1300 °C

Yueyang Hu, Weifeng Li, Suhua Ma, Qianqian Wang, Huiru Zou, Xiaodong Shen

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

Alite-ye'elimite clinker is a high cementing clinker prepared by introducing calcium sulfoaluminate, a non-silicate mineral, into the cement clinker. The mineral composition and mechanics of tricalcium silicate-rich sulfur aluminate prepared at 1300 °C are reported. The effects of copper slag and phosphorus slag on the phase composition, heat release and compressive strength were investigated. The phase composition was analysed by X-ray powder diffraction. The results show that the copper slag and phosphorus slag can lower the burn temperature of the clinker and promote the coexistence of C3S and C4A3S¯. The quality of clinker produced at 1300 °C is satisfactory. The compressive strength of mortar curing at 28 d is higher than that of P·II 52.5.

Original languageEnglish
Pages (from-to)41-48
Number of pages8
JournalCement and Concrete Research
Volume107
DOIs
StatePublished - May 2018

Keywords

  • Alite
  • Calcium sulfoaluminate
  • Liquid properties

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