Corrosion behavior of glass coated Hastelloy-XR in boiling sulfuric acid

Authors
Tu, R Goto, T Chen, LD Hirai, T Zhang, LM
Citation
R. Tu et al., Corrosion behavior of glass coated Hastelloy-XR in boiling sulfuric acid, MATER TRANS, 42(10), 2001, pp. 2093-2097
Citations number
13
Categorie Soggetti
Material Science & Engineering
Journal title
MATERIALS TRANSACTIONS
ISSN journal
13459678 → ACNP
Volume
42
Issue
10
Year of publication
2001
Pages
2093 - 2097
Database
ISI
SICI code
1345-9678(200110)42:10<2093:CBOGCH>2.0.ZU;2-V
Abstract
Hastelloy-XR alloy was coated with glasses to improve the corrosion resista nce in boiling sulfuric acid for application in thermochemical hydrogen pro duction process. Pre-oxidation of Hastelloy-XR alloy enabled one to produce well-adhered glass coating. The glass composition with the highest corrosi on resistance was 48SiO(2)-8B(2)O(3)-6Al(2)O(3)-11CaO-25BaO-2ZnO. The glass -coated Hastelloy-XR alloy showed almost no mass change in boiling sulfuric acid of 40 to 80% aqueous solution at 408 to 503 K after 43 ks.