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Thermal Shock Performance of Fine Grained Al 2 O 3 Ceramics With TiO 2 and ZrO 2 Additions for Refractory Applications
Author(s) -
Aneziris Christos G.,
Dudczig Steffen,
Gerlach Nora,
Berek Harry,
Veres Dániel
Publication year - 2010
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201000037
Subject(s) - materials science , thermal shock , cubic zirconia , quenching (fluorescence) , ceramic , thermal decomposition , sintering , refractory (planetary science) , phase (matter) , electron backscatter diffraction , shock (circulatory) , microstructure , metallurgy , mineralogy , chemical engineering , composite material , medicine , chemistry , physics , organic chemistry , quantum mechanics , fluorescence , engineering
Due to zirconia and titania additions carbon‐free fine grained alumina ceramics are produced with superior thermal shock performance. The decomposition of Al 2 TiO 5 in the alumina doped matrix dominates during thermal shock attack and leads to higher strengths in comparison to the as sintered samples after thermal shock. EDX, EBSD, and XRD investigations describe the phase evolution before and after quenching the samples from 950 to 1200 °C in water, respectively.