Liquidus in system Cu2O-CaO-Al2O3 at 1250°C

Joseph Hamuyuni, Pekka Taskinen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

We present experimental results for the liquidus in the system Cu2O - CaO-Al2O3 at 1250 °C. In this study, we quantified the liquidus by the equilibration/quench/analysis technique, with Cu2O, Al2O3, and CaO as primary materials exclusively. Experiments were conducted in air at an at oxygen pressure (p) = 21.3 kPa). Equilibrated specimens were quenched in brine solution of 10 wt% NaCl. We then quantified the liquid chemical compositions by means of Energy-Dispersive X-Ray Spectroscopy (EDS) and Electron probe micro-analyzer (EPMA). This study reveals inconsistences in liquidus surface of the present ternary diagram of the system here in mentioned. Differences of up to 10 wt % compositions of the species have been observed.

Original languageEnglish
Title of host publication6th International Symposium on High-Temperature Metallurgical Processing - Held During TMS 2015 144th Annual Meeting and Exhibition
EditorsJiang Tao, Hwang Jiann-Yang, Yücel Onuralp, Mao Xinping, Yong Sohn Hong, Ma Naiyang, J. Mackey Phillip, P. Battle Thomas
Place of PublicationWarrandale (PA)
PublisherMinerals, Metals & Materials Society
Pages123-130
Number of pages8
Volume2015-March
ISBN (Electronic)9781119073574
ISBN (Print)978-1-119-07357-4, 978-1-119-09338-1
Publication statusPublished - 2015
MoE publication typeA4 Conference publication
EventInternational Symposium on High-Temperature Metallurgical Processing - Orlando, United States
Duration: 15 Mar 201519 Mar 2015
Conference number: 6

Conference

ConferenceInternational Symposium on High-Temperature Metallurgical Processing
Country/TerritoryUnited States
CityOrlando
Period15/03/201519/03/2015
OtherHeld during TMS 2015 144th Annual Meeting and Exhibition

Keywords

  • Equilibration
  • Liquidus
  • MTDATA
  • System
  • Ternary

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