Water entry into silica glass during slow crack growth

Journal Article · Tue Oct 01 00:00:00 EDT 1991 · Journal of the American Ceramic Society; (United States)

DOI:https://doi.org/10.1111/j.1151-2916.1991.tb06801.x· OSTI ID:6841597

Tomozawa, Minoru; Han, W T ^[1]; Lanford, W A ^[2]

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1. Rensselaer Polytechnic Inst., Troy, NY (United States). Materials Engineering Dept.
2. State Univ. of New York, Albany, NY (United States). Physics Dept.

Hydrogen concentration depth profiles on surfaces of SiO[sub 2] glass fractured slowly in water and rapidly in oil were determined by nuclear reaction analysis. It was found that water enters SiO[sub 2] glass during slow crack growth in water. The present observation has important implications for slow crack growth as well as fatigue of some silica glasses, suggesting the type of reaction involved in stress-corrosion. The correct strength reduction mechanism of silica glass under stress by water in the environment must involve entry of water into the glass.

• DOE Contract Number: FG02-85ER45217
• OSTI ID: 6841597
• Journal Information: Journal of the American Ceramic Society; (United States), Journal Name: Journal of the American Ceramic Society; (United States) Vol. 74:10; ISSN 0002-7820; ISSN JACTAW
• Country of Publication: United States
• Language: English

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