THE EFFECT OF STORAGE ON THE STRENGTH OF ANNEALED AND TOUGHENED CLEAR WHITE PLATE GLASS.
MINISTRY OF TECHNOLOGY LONDON (ENGLAND) MATERIALS DIV
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The effect of storage on the strength of annealed and toughened clear white plate glass has been investigated using storage in atmospheric conditions, compared with storage in dry, carbon dioxide-free conditions over a five year period. Under all conditions a reduction in strength took place over an initial period up to 18 months. Thereafter, a considerable recovery took place. It is estimated that total recovery would take place in about eight years. The exposed toughened glasses showed a maximum reduction to 90 of the original value, the annealed specimens showing a greater percentage reduction as ageing is primarily an intrinsic property of the glass surface. The difference between the exposed specimens and those stored under dry carbon dioxide-free conditions for both annealed and toughened glasses was shown to be significant at the 2 level of probability. Author
- Ceramics, Refractories and Glass
- Surface Transportation and Equipment