One of the cuts was pretty deep and seemed to take forever to stop bleeding, but the others were fairly superficial... thankfully.
Do you understand what I mean about the structure of the glass at atomic level? If anybody would, I'd expect you to.
Glass is really a liquid, but it is a very slow liquid. Glass is also quite elastic. When it is hot and can be squeezed into a mold it has a lot of stretchy forces on it. When it is cooled quickly those tensions are frozen into that shape. A piece of glass may look peaceful, but most glass has a lot of tension inside it. Relieving that tension by heating it up to a high enough temperature for long enough, and letting it cool very, very slowly should make the glass much stronger.
Trouble is I'm not sure how high the temperature should be, how long it should be held there, nor how long the cooling process should take.
What is worse, the quality of the glass may have an important part to play too.
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branchandroot
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Date: 2003-06-10 08:26 am (UTC)Do you understand what I mean about the structure of the glass at atomic level? If anybody would, I'd expect you to.
Glass is really a liquid, but it is a very slow liquid. Glass is also quite elastic. When it is hot and can be squeezed into a mold it has a lot of stretchy forces on it. When it is cooled quickly those tensions are frozen into that shape. A piece of glass may look peaceful, but most glass has a lot of tension inside it. Relieving that tension by heating it up to a high enough temperature for long enough, and letting it cool very, very slowly should make the glass much stronger.
Trouble is I'm not sure how high the temperature should be, how long it should be held there, nor how long the cooling process should take.
What is worse, the quality of the glass may have an important part to play too.