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Effect of Sodium Chloride Solutions on the Strength and Fatigue of Bare Silica Fibers
Author(s) -
Inniss Daryl,
Brownlow Darryl L.,
Kurkjian Charles R.
Publication year - 1992
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1992.tb08188.x
Subject(s) - sodium , fiber , chloride , corrosion , materials science , chemistry , silica fiber , stress (linguistics) , inorganic chemistry , composite material , metallurgy , linguistics , philosophy , fiber laser
The strength of bare silica fiber in sodium chloride solutions decreases as the NaCl concentration increases. Static fatigue measurements in deionized water (pH 6) are compared to those in a 2 mM solution of NaCl (pH 5.2), both at 90°C. The pretransition stress corrosion parameter, determined from the power law, is 33 in deionized water and 18 in the NaCl soution. The effect of BaCl on the reaction mechanism in the pretransition region is investigated. The failure rate is proportional to the surface charge of silica raised to the second power.