机械性质的HSLA贝氏体钢

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ControlledrollingfollowedbyacceleratedcoolingwasutilisedinlaboratorysimulationstostudythemicrostructureandmechanicalpropertiesofanHSLAlowcarbonbainiticsteel.Theeffectsofprocessingparameters,suchascoolingstarttemperatureandcoolingrates,onthefinalmicrostructureandmechanicalpropertieswerestudied.Opticalmicroscopyandtransmissionelectronmicroscopywereusedtoevaluatethecomplexmicrostructuresconsistingofpolygonalferrite,pearlite,bainiteandmartensite:retainedausteniteconstituent.Theuseofthemultipleregressionanalysisallowedestablishmentoftherelationshipsbetweenmechanicalpropertiesandacceleratedcoolingvariables:coolingratesandcoolingstarttemperatures.#169;2000ElsevierScienceS.A.Allrightsreserved.

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