quench

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quench

An MRI term for a loss of superconductivity, an event that can only occur in superconducting magnets and results in total magnet failure. It is characterised by a rapid rise in magnet resistivity, which generates enough heat to evaporate the magnet coolant (liquid helium), creating a hazard that requires emergency venting to protect patients and operators.
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References in periodicals archive ?
As the largest final fraction of retained austenite of 12% was found upon sequence 2, which involved a quenching temperature of 150[degrees]C and a cooling rate of 1[degrees]C/s, the specimens obtained with this sequence were selected for testing the stability of retained austenite upon after cold deformation.
Cooling from quenching temperature produces transformation of martensite first of all in the not carburized part of specimen.
The stresses increase when the initial quenching temperature increases.
Saturation pressure, temperature, foaming temperature, foaming time, and quenching temperature all affect the foam cell morphology.