The Solubility Limit of   CaO   in α‐Alumina at 1600°C | Zendy

Akiva Ran | Zendy; Berner Alex | Zendy; Kaplan Wayne D. | Zendy

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The Solubility Limit of CaO in α‐Alumina at 1600°C

Author(s) -

Akiva Ran,

Berner Alex,

Kaplan Wayne D.

Publication year - 2013

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/jace.12442

Subject(s) - solubility , scanning electron microscope , analytical chemistry (journal) , saturation (graph theory) , detection limit , chemistry , materials science , nuclear chemistry , mineralogy , chromatography , composite material , mathematics , combinatorics

The solubility limit of Ca in 99.99% pure α‐ Al 2 O 3 (alumina) was measured using a wavelength dispersive spectrometer mounted on a scanning electron microscope. Al 2 O 3 samples were equilibrated at a concentration which ensured saturation of the Al 2 O 3 grains with Ca , and were quenched in water from 1600°C. The results were compared with those from samples which were furnace cooled from 1600°C. For the quenched samples, the Ca solubility limit was found to be 51 ± 1 ppm, which is significantly larger than the solubility limit for samples which were furnace cooled (26 ± 1 ppm).

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