Fireside corrosion testing of candidate superheater tube alloys, coatings, and claddings -- Phase 2
Conference
·
OSTI ID:330691
- Foster Wheeler Development Corp., Livingston, NJ (United States)
In Phase 1 a variety of developmental and commercial tubing alloys and claddings were exposed to laboratory fireside corrosion testing simulating a superheater or reheater in a coal-fired boiler. Phase 2 (in situ testing) has exposed samples of 347 RA-85H, HR3C, 253MA, Fe{sub 3}Al + 5Cr, 310 Ta modified, NF 709, 690 clad, and 671 clad for approximately 4,000, 12,000, and 16,000 hours to the actual operating conditions of a 250-MW coal-fired boiler. The samples were assembled on an air-cooled, retractable corrosion probe, the probe was installed in the reheater activity of the boiler and controlled to the operating metal temperatures of an existing and advanced-cycle coal-fired boiler. The results will be presented for the preliminary metallurgical examination of the corrosion probe samples after 16,000 hours of exposure. Continued metallurgical and interpretive analysis is still on going.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- Oak Ridge National Lab., TN (United States)
- OSTI ID:
- 330691
- Report Number(s):
- CONF-9705115--PROC.; ORNL/FMP--97/1; ON: DE98007329
- Country of Publication:
- United States
- Language:
- English
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