Chemical processes involved in the initiation of hot corrosion of B-1900 and NASA-TRW VIA

Content Provider	Semantic Scholar
Author	Fryburg, George C. Kohl, Fred J. Stearns, Carl A.
Copyright Year	1979
Abstract	Sodium sulfate induced hot corrosion of B-1900 and NASA-TRW VIA at 900 C was studied with special emphasis on the chemical reactions occurring during and immediately after the induction period. Thermogravimetric tests were run for set periods of time after which the samples were washed with water and water soluable metal salts and/or residual sulfates were analyzed chemically. Element distributions within the oxide layer were obtained from electron microprobe X-ray micrographs. A third set of samples were subjected to surface analysis by X-ray photoelectron spectroscopy. Evolution of SO2 was monitored throughout many of the hot corrosion tests. Results are interpreted in terms of acid-base fluxing mechanisms.
Starting Page	571
Ending Page	585
Page Count	15
File Format	PDF HTM / HTML
DOI	10.1149/1.2123928
Volume Number	129
Alternate Webpage(s)	https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19800008939.pdf
Alternate Webpage(s)	https://doi.org/10.1149/1.2123928
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article