Experimental Investigation of High-Temperature Interactions of Yb2Si2O7 with Molten Calcia-Magnesia-Alumina-Silicate (CMAS) Deposits
Abstract
Three experimental methods are applied to Yb2Si2O7 environmental barrier coating samples to examine coating interactions with calcia-magnesia-alumina-silicate (CMAS) deposits. Thermal cycling and CMAS deposition are performed with an atmospheric burner-rig. Thermal cycling with CMAS loading is performed separately using a box furnace. The contact angle of CMAS as it melts atop a sample is measured using a high-temperature contact-angle measurement system. This testing demonstrates the variety of data achievable from different testing methods. Future work will include a full evaluation of a candidate coating for next-generation gas-turbine engines.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 2022
- Accession Number
- AD1183622
Entities
People
- Andrew J. Wright
- Anindya Ghoshal
- Christopher Louzon
Organizations
- Brown University
- Oak Ridge Associated Universities
- United States Army Research Laboratory