Modeling of the distribution of thermal fields during spark plasma sintering of alumina ceramics

The article shows the use of an experimental-calculation method for the refinement of thermoelectric constants of graphite materials and alumina ceramics by experimentally studying the heating of graphite equipment and refinement thermoelectric constants of materials using the finite element method...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-06, Vol.558 (1), p.12004
Main Authors: Berendeev, N N, Popov, A A, Pyaterikova, V V, Boldin, M S, Nokhrin, A V, Chuvil'deev, V N, Lantsev, E A
Format: Article
Language:English
Subjects:
Aluminum oxide
CAD
Ceramics
Computer aided design
Finite element method
Graphite
Heat exchange
Plasma sintering
Spark plasma sintering
Thermal simulation
Thermoelectric materials
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Summary:The article shows the use of an experimental-calculation method for the refinement of thermoelectric constants of graphite materials and alumina ceramics by experimentally studying the heating of graphite equipment and refinement thermoelectric constants of materials using the finite element method (ANSYS WORKBENCH). To simulate the thermal fields of graphite equipment based of the data on electric current, voltage and heat exchange conditions, a coupled boundary electric and non-stationary temperature problem was realized. The application of the developed approach made it possible to clarify the thermoelectric constant of materials, which helped to reduce the difference between the experimental and simulated temperatures from 20 to 5%.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/558/1/012004