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- Article name
- High-temperature integrated moduli with lanthanum chromite-based heaters
- Authors
- SHEVCHIK A., , , St.-Petersburg State Institute of Technology (Technical University), St.-Petersburg, Russia
SUVOROV S., , , St.-Petersburg State Institute of Technology (Technical University), St.-Petersburg, Russia
- Keywords
- Year
- 2008 Issue 1 Pages 17 - 31
- Code EDN
- Code DOI
- Abstract
- Comparative analysis of up-to-date high-temperature heating moduli designed for operation in oxidizing conditions has been performed. The advantages of heating moduli comprising electric heating elements made from lanthanum chromite have been demonstrated. In order to improve the high-temperature modulus performance, methods for protecting of the lanthanum chromite heating element surface with coatings reducing the chrome evaporability were investigated. The coatings include components of the magnesium oxide - aluminum oxide - yttrium oxide - lanthanum oxide - silicon dioxide system. The coatings were studied by using the X-ray phase analysis and macrostructure analysis; linear thermal expansion coefficients of the coating components were determined.
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