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transition temperature
(redirected from transition temperatures)

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transition temperature [tran′zish·ən ‚tem·prə·chər]
(chemistry)
The temperature at which an enantiotropic polymorph is converted into a different form.
(metallurgy)
The temperature at which a fracture changes from tough to brittle in various tests, such as notched-bar impact test.
(thermodynamics)


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But these superconductors have transition temperatures near absolute zero (-273[degrees]C) and require expensive liquid helium to keep them cold.
Detailed DSC test procedures are given in the following ASTM methods: --E 1356, "Assignment of Glass Transition Temperatures by DSC," --D 3418, "Transition Temperatures and Enthalpies of Fusion and Crystallization of Polymers by DSC," --D 4419, "Transition Temperatures of Petroleum Waxes"; and --D 7426, "DSC Procedure for Glass Transition of a Polymer or Elastic Compound.
Glass transition temperatures were also measured using commercial differential scanning colorimetry.
 
 
 
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