Origin of strength increase of abraded or indented glass upon annealing

Journal Article · Fri Aug 01 00:00:00 EDT 1986 · J. Am. Ceram. Soc.; (United States)

DOI:https://doi.org/10.1111/j.1151-2916.1986.tb04834.x· OSTI ID:7151967

Tomozawa, M; Hirao, K; Bean, P E

The mechanical strength of soda-lime and borosilicate glass rods with an extended crack was found to increase upon annealing. Since the residual stress near the extended crack tip is small, this strength increase indicates that crack tip blunting is taking place.

• Research Organization: Materials Engineering Dept. and Center for Glass Science Technology, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
• OSTI ID: 7151967
• Journal Information: J. Am. Ceram. Soc.; (United States), Journal Name: J. Am. Ceram. Soc.; (United States) Vol. 69:8; ISSN JACTA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360601* -- Other Materials-- Preparation & Manufacture
360603 -- Materials-- Properties
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BOROSILICATE GLASS
CALCIUM COMPOUNDS
CALCIUM HYDROXIDES
CALCIUM OXIDES
CHALCOGENIDES
CRACK PROPAGATION
GLASS
HEAT TREATMENTS
HYDROGEN COMPOUNDS
HYDROXIDES
OXIDES
OXYGEN COMPOUNDS
RESIDUAL STRESSES
STRESSES