seeking help on a certain term
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Posted by: stevietan ® 06/28/2004, 04:19:00 Author Profile Mail author Edit

Hi all, I'm writing to actally seek help on this term glass media   the whole sentence:- Possible of  mismatch of thermal co-efficients of expansion between 300 sst and glass media.   Can anyone help pls, Stevie Steven

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glass media
Re: seeking help on a certain term -- stevietan	Post Reply	Top of thread	Forum

Posted by: RandyKimball ® 06/28/2004, 21:40:20 Author Profile Mail author Edit

Stevie, I think they are just speaking about basic glass material.. glass. There is most certainly a large difference in the thermal expansion rates between stainless steels and glass materials. This is what I believe they are referencing. I think this is because most glasses will have a very similar thermal co-effecient. Just as most stainless steels will have a similar thermal co-effecient. Example, if you placed a steel ring inside of a round hole in glass and let the sun heat them both, the steel would expand in diameter at a faster rate. If the steel ring fits the glass hole tight in a cool morning and later the sun warmed them on a hot day the steel would expand and shatter the glass. The same problem would occur if you tried to bond a glass plate to a steel sheet without some way to allow for the thermal expansion differences. It is common for artist and scientists to refer to any basic material group as a media, ... clay, paint, wood, brick, concrete, glass, air, fluids, .... and so on. -randy- The worst suggestion of you lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them. Modified by RandyKimball at Mon, Jun 28, 2004, 21:42:06

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