Modeling of Binder Burnout and Sintering of Solid Oxide Electrolyte Tapes by Thermokinetic Analysis
Author(s) -
Axel C. Müller
Publication year - 2003
Publication title -
ecs proceedings volumes
Language(s) - English
Resource type - Journals
eISSN - 2576-1579
pISSN - 0161-6374
DOI - 10.1149/200307.0229pv
Subject(s) - sintering , materials science , electrolyte , thermogravimetry , yttria stabilized zirconia , burnout , oxide , composite material , chemical engineering , ceramic , metallurgy , cubic zirconia , chemistry , electrode , psychology , clinical psychology , engineering
Burnout of organic binder and sintering behavior of YSZ electrolyte green tapes were investigated by thermogravimetry and dilatometry, respectively. With the help of thermokinetic analysis burnout and sintering were described by a mathematical model based on formal kinetics. Thus the measured data were reduced to a set of a few parameters which can be easily used to simulate the kinetic behavior for an arbitrary temperature profile. Good accordance between prediction and respective measurement was accomplished. Using rate controlled binder burnout and rate controlled sintering, optimization of the temperature profile was achieved with respect to time and energy saving.
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