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Materials & Assembly
Epoxies & Glass Transition Temperature
7/5/2013

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In DSC, Tg is defined by observing changes in the heat capacity of a polymer as a function of temperature.
In DSC, Tg is defined by observing changes in the heat capacity of a polymer as a function of temperature.

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Critic
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Good Article
Critic   7/19/2013 5:34:24 PM
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Very nice job at presenting some useful information, Mr. Michaels.  Thanks.

bobjengr
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Transition Temperatures
bobjengr   7/9/2013 4:43:52 PM
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Robert--Very informational.  Excellent post.   Am I correct in saying the Tg temperature is somewhat like the "triple point" for other materials?   Would this be a decent analogy?  Also, I'm assuming all adhesives have a Tg temperature.  In looking at the adhesives I use and see used on a daily basis, we are very concerned that we apply adhesive to a part and adhere that part to a substrate before that adhesives "skins over".    The only way for us to insure compliance with our customers "pull test" requirements. 

William K.
User Rank
Platinum
High temperature effects on epoxy materials
William K.   7/8/2013 9:31:22 AM
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Thanks for a very educational piece of material. I learned quite a bit, and now have a much btter understanding of what the temperature ratings of epoxy materials are all about.

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