Chapter 13: Problem 1
\text { Cite the two desirable characteristics of glasses. }
Chapter 13: Problem 1
\text { Cite the two desirable characteristics of glasses. }
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Get started for freeCite one reason why drying shrinkage is greater for slip cast or hydroplastic products that have smaller clay particles.
(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?
What is the distinction between glass transition (emperature and melting temperature?
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 \(\mathrm{Na}^{+}\), induces chemical tempering in a soda-lime glass.
(a) What is crystallization? (b) Cite two properties that may be improved by crystallization.
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