Chapter 13: Problem 1
Cite the two desirable characteristics of glasses.
Chapter 13: Problem 1
Cite the two desirable characteristics of glasses.
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Get started for freeCompare the manner in which the aggregate particles become bonded together in clay-based mixtures during firing and in cements during setting.
Compare the temperatures at which sodalime, borosilicate, \(96 \%\) silica, and fused silica may be annealed.
Borosilicate glasses and fused silica are resistant to thermal shock. Why is this so?
(a) Explain why residual thermal stresses are introduced into a glass piece when it is cooled. (b) Are thermal stresses introduced upon heating? Why or why not?
Glass pieces may also be strengthened by chemical tempering. With this procedure, the glass surface is put in a state of compression by exchanging some of the cations near the surface with other cations having a larger diameter. Suggest one type of cation that, by replacing \(\mathrm{Na}^{+},\) will induce chemical tempering in a soda-lime glass.
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