机械性质的HSLA贝氏体钢
ControlledrollingfollowedbyacceleratedcoolingwasutilisedinlaboratorysimulationstostudythemicrostructureandmechanicalpropertiesofanHSLAlowcarbonbainiticsteel.Theeffectsofprocessingparameters,suchascoolingstarttemperatureandcoolingrates,onthefinalmicrostructureandmechanicalpropertieswerestudied.Opticalmicroscopyandtransmissionelectronmicroscopywereusedtoevaluatethecomplexmicrostructuresconsistingofpolygonalferrite,pearlite,bainiteandmartensite:retainedausteniteconstituent.Theuseofthemultipleregressionanalysisallowedestablishmentoftherelationshipsbetweenmechanicalpropertiesandacceleratedcoolingvariables:coolingratesandcoolingstarttemperatures.#169;2000ElsevierScienceS.A.Allrightsreserved.