几种典型中厚板材外观缺陷的种类形态及成因

(),,,,,,TheVarieties,FormsandCausesofTypicalSurfaceDefectsonMediumSteelPlateCuiFengping,FangKe,TangYu,YuXiuqinandLuYishan(JinanIronandSteelGroupCorp.)AbstractBasedonthelongtermproductionexperienceandresearch,bycollectingagreatamountofactualproductevidencesandsystematicallyanalyzing,combiningwiththenewproblemsoccurredwithincreasednumbersofsteelgradesanddiversificationofproductionmodes,referringtotherelevantdefinitionanddescriptioninthestandardsandspecificationsforhotrolledsteelplate,thearticlescientificallyclassifiesseveraltypicalsurfacedefectsonsteelplateaccordingtotheactualformsandcharacteristicsofsurfacedefectsonsteelplateandpresentstheforms,characteristics,causesandeffectsofthesetypesofdefects,whichisofsignificantvaluetothetechnicalpersonnelandqualitycontroldepartmentforreferencetoanalyze,judgetheplatesurfacequalityandeliminatedefects.KeywordsSurfaceDefects,Formsandcharacteristics,Scientificclassification,Qualityjudgment1,,,,,,,,,,,,,2,,,,,,61125200610WIDEANDHEAVYPLATEVol.12.No.5October2006,,,,,,(1a)(1b)(1c)(1d),,,,,13,,,,,,(2),,,,,,,,2715:44.1:,,,33:(),,,,,,:,,4.2:,,,,44:;,,,:,,,4.3:,;,,20mm,,558112:1),,,,;2),;3),,:,4.4:3090,,,,,66:,;AlN,AlN,;700900;;:,0.51.5mm,1ö41ö3,4.5:(),,,,,,77:1),,;2),(),,,;3):,,,,4.6:,,,,,,88:,,,,,915:,,,,,,,:,4.7::,,,,,,99:,,(),,:,,,4.8:,10:,,,,,10:,,,,5,,,,,1..,2000,42..:,19943..,1998,(10):27304..,1999,(10):32335,,..,2004,(11):569572,,1984,:2006-04-060212