ANALYTIC METHODS FOR DETERMINATION OF ACTIVATION ENERGY USING THE MASTER SINTERING CURVE APPROACH

被引：0
|
作者：
Schurwanz, Matthew [1 ]
Lombardo, Stephen J. [2 ]
机构：
[1] Univ Missouri, Dept Chem Engn, Columbia, MO 65211 USA
[2] Univ Missouri, Dept Mech & Aerosp Engn, Columbia, MO 61211 USA
来源：
ADVANCES IN ELECTROCERAMIC MATERIALS | 2009年 / 204卷
关键词：
D O I：
10.1002/9780470528990.ch9
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An approximation developed by Lee and Beck is applied to evaluate the integral that appears in the Master Sintering Curve (MSC) approach. With this approximation, two analytical equations are derived that can be used to determine the activation energy of sintering using only temperature and density data. The two analytical expressions are compared with numeric integration on simulated density versus temperature data for three values of the activation energy of 250, 450, and 650 kJ/mol. The two analytical equations lead to values for activation energy within 0.08% of the value used to create the data.
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页码：67 / +
页数：2
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