glass transition temperature

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glass transition temperature

[¦glas ‚tran′zish·ən ‚tem·prə·chər]
(physical chemistry)
The temperature at which a liquid changes to an amorphous or glassy solid.
References in periodicals archive ?
Meanwhile, its modulus is 50% greater at temperatures below the glass-transition temperature (Tg) of PEEK (302 F).
It produces a glass-transition temperature of more than 120 [degrees] C, and high bond strength to glass ceramic, metals and most plastics--allowing it to pass the most stringent specifications for both single- and multimode terminations.
The glass-transition temperature may be determined by taking the middle of the change in baseline (half-height method).
With a glass-transition temperature of 450 degrees F, PPSF has the highest operating temperature and toughness of any rapid prototyping material except metals," he said.
Amorphous PC exhibits only one transition temperature, known as the glass-transition temperature (Tg).
The tan[Delta] curves were highly reproducible, and the maximum error in the glass-transition temperature was estimated to be 1-2 [degrees] C.
The new material is thermomechanically stable with an effective glass-transition temperature (Tge) of over 400 C.
Unfilled Victrex ST G45 has a melting point of 389 C, glass-transition temperature (Tg) of 164 C, and HDT @ 1.
Since the sperm are held for extended times close to -130 degrees C, the glass-transition temperature of water, this places the sperm at risk of undergoing very slight deterioration with time.
SMA does increase PBT's glass-transition temperature (Tg) and HDT, but mechanical properties are similar to those of standard PBT, Sartomer reports.
The amorphous sheet has a higher glass-transition temperature (around 108 C) than other copolyesters (around 80 C) and does not require predrying.