Molten glass corrosion resistance of immersed combustion-heating tube materials in E-glass
Journal Article
·
· Journal of the American Ceramic Society
- Georgia Inst. of Tech., Atlanta, GA (United States). School of Materials Science and Engineering
The corrosion resistance of molybdenum, molybdenum disilicide, and a SiC{sub (p)}/Al{sub 2}O{sub 3} composite to molten E-glass at 1,550 C was studied. Mo showed no tendency to oxidize as it was immersed in soda-lime silicate glass in a parallel study. MoSi{sub 2} was corroded by soluble molecular oxygen, leaving a Mo{sub 5}Si{sub 3} interface behind. The SiC{sub (p)}/Al{sub 2}O{sub 3} composite was corroded at a more rapid rate wherein the SiC component was oxidized to form amorphous silica and CO bubbles. Based on these results, the activity of soluble molecular oxygen in E-glass was determined to be in the range of 2.4 {times} 10{sup {minus}14} to 2.0 {times} 10 {sup {minus}8}.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 103627
- Journal Information:
- Journal of the American Ceramic Society, Vol. 78, Issue 7; Other Information: PBD: Jul 1995
- Country of Publication:
- United States
- Language:
- English
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