ThehotdeformationbehaviorofextrudedAZ80magnesiumalloywasinvestigatedusingcompressiontestsinthetemperaturerangeof250-400℃andstrainraterangeof0.001-1.000s^-1.The3Dpowerdissipationmapwasdevelopedtoevaluatethehotdeformationmechanismsanddeterminetheoptimalprocessingparameters.Twodomainsofdynamicrecrystallizationwereidentifiedfromthe3Dpowerdissipationmap,
