ֻ45ज ֻ9௹ۑํ , 2010୍9ᄅSeptember 2010X100ܵཌۑ֥ಣᅁཁັቆᆮٳ༅周 平1,2, 兰亮云1, 邱春林1,霍孝新2, 高秀华1, 刘相华1(1.תКն࿐ᅁᇅඌࠣ৵ᅁሱ߄ݓࡅᇗׄൌဒ൩,ୡഫဝ110004;2.ঞۑํࠢႵཋ܄ඳඌؿᇏྏ,תঞ271104)ᅋ ေ:๙ݖಣᅁ൫ဒ,০Ⴈೡ૭ࣤ,TEMܴҳބEBSDඌ֩ٳ༅ཁັቆᆮა৯࿐ྟିᆭࡗ֥ܱ༢b࣮ࢲݔіૼ:ཁັቆᆮၛGB+AFቆᆮູᇶ,AFቆᆮӯׅ֥Ӊ่ᆌሑ;ၛॶሑྙൔሇэ֥ሙ؟шྙํุູᇶ,ଽ҆ݣႵնਈ໊հ,໊ۚհૡ؇ྙӮ໊հІ,໊հཌഈٳ҃ሢ༥ཬ֥༅ԛཌྷ,ऎႵ఼ۚ؇ބਅݺԊࠌನྟ;ն࢘؇ࣖࢸᅝᆜ۱ٳ༅თଽࣖࢸ֥88%,ն࢘؇ࣖࢸᇶေٳ҃ᄝ30 ~60 ,ؓԊࠌನྟ٤ӈႵ০bܱՍ:X100;ܵཌۑ;ᆌሑํุ;॥ᅁ॥ᇏٳোݼ: ໓ངѓᆽ:A ໓ᅣщݼ:0449 749X(2010)09 0077 05Hot RolledMicrostructureAnalysisofX100PipelineSteel,21ZHOU11Ping, LANLiang yun, QIUChun lin,HUOX211iao xin, GAOXiu hua, LIUXiang hua(,NortheasternUniversity,Shenyang110004,Liaoning,China;,LaiwuSteelGroup,Laiwu271104,Shandong,China)Abstract:Therelationshipbetweenmicrostructureandmechanicalpropertieswereinvestigatedthroughhot rollingtests,scanningelectronmicroscopy,+AFaretheprimarymicrostructures,andAFistypicaloflongneedle polygonalferritetransformedfrommassiveferriteisthemainstructure,containingalotofinteriordislocationandfurtherformingthehighdislocationdensityofdislocationscell, anglegrainboundaryisabout88%ofthetotalgrainboundaryob served,wide anglegrainboundaryaremainlydistributedin30 60 ,:X100;pipelinesteel;acicularferrite;thermomechanicalcontrolprocess(TMCP) ܵཌᄎൻ൞ӉएൻෂെႲa฿ಖగቋࣜ࠶aቋ৵࿃౹ڛྛູ[6]bЧ໓๙ݖൌဒ൩ಣᅁ൫ဒࠆ֤ၛކ֥ᄎൻٚൔbX100൞॥ᅁ॥֥ັކࣁ߄ۑ,৬ሑН൦ุބᆌሑํุູᇶ֥ཁັቆᆮ,০ႨೡऎႵ఼ۚ؇ބਅݺ֥ॆྟ؎ਚି৯,൞ൻగܵ֡૭ࣤ,TEMܴҳބEBSDඌ֩ٳ༅ਔཁັቆᇏ֥ۚྟିܵҋ[1 2]bႋႨX100ܵཌۑऎႵऍնᆮაਅݺ৯࿐ྟିᆭࡗ֥ܱ༢b֥ࣜ࠶ིၭ,ॖӉएႲగܵཌӮЧࢫჿ5%~12%,ᇶေุགྷᄝҋਘࢫჿaิۚൻෂ৯aࡨཬീ1 试验材料和方法۽ਈaࢆ֮ົٮႨaႪ߄ᆜุٚσ֩bଢభݓଽຓ൫ဒஸਘԄժູ100mm#130mm#200mm,ཌྷܱ࣮іૼ[3 5]:X100ܵཌۑ֥ཁັቆᆮᇶေႵX100ܵཌۑ߄࿐Ӯٳі1b๙ݖ2ࢨ؍ᅁᇅބ2ᇕ,৬ሑН൦ุ(GB)ބචཌྷቆᆮ(DP),৬ሑН൦ᅁުࡆಏࠆ֤ಣᅁۑϰ,ఃᅁᇅ۽ၜೂ1෮ุ൞Ⴎ!ഈН൦ุํุ+ཬ֛ሑቆᆮ(M/Aൕb໑؇॥ᇅ:ࡆಣ໑؇ູ1200∃,Ќ໑30minb)֛∀ቆӮ,ׅࣁཌྷቆᆮູ҂৵࿃Ӊ่ሑཬ֛ཌྷֻ1ࢨ؍ᇔᅁ໑؇॥ᇅᄝ980∃ၛഈ,ֻ2ࢨ؍षႿྛٳ҃ႿഈН൦ุํุࠎุᇏ;චཌྷቆᆮᅁ໑؇ഡקᄝ900∃ၛ༯,ಏ؇ഡקᄝ15~൞ٟࣖํุ/৬ሑН൦ุቆᆮࢲܒbՎোཁັ30∃/s,ᇔ໑؇ഡקᄝ400~550∃bX100ܵཌቆᆮऎႵ఼ۚ؇ބਅݺ֥Ԋࠌನ,ྟѩၛM/A֛ۑᅁᇅӮஸଢѓި؇ູ12mm,ᇏࡗஸި؇ູӮቆᆮູ႗ཌྷ,ऎႵჵפႋ৯ ႋэ౷ཌ,іགྷູஸި؇֥3~4П,ऎุ໑؇॥ᇅࢲݔі2bቔᆀࡥࢺ:ᇛ (1973 ),୯,ණൖള,ۚࠩ۽ӱഽ; E mail:sdlgzp@; ൬۠ರ௹:2009 11 19
%78%ۑ ํֻ45जі1 X100ܵཌۑ֥߄࿐Ӯٳ(ᇉਈٳඔ)Table1 ChemicalcompositionofX100pipelinesteel%ഥ,ᇶေҐႨޘཟބሺཟ౼ဢ,൫ဢቓӮԄժູ 8mm֥ჵϿbԊࠌ൫ဒᄝ9250HV၎ఖ߄ઋԻԊࠌ൫ဒࠏഈ,۴ऌGB/T229 2002ݓࡅѓሙࣉྛ༢ਙ֮໑Ԋࠌ,Ԋࠌ൫ဢҐ౼ޘཟ౼ဢٚൔ,ቓӮԄժູ10mm#10mm#55mmѓሙ൫ဢ,Ԋࠌ໑؇ᇶေ࿊౼0a-20a-40∃3۱໑؇bခಣᅁۑϰሺཟ౼ࣁཌྷ൫ဢ,ᄝLEICADMIRM؟ۿିࣁཌྷཁັࣤഈࣉྛܴҳ;ഝ൫ဢҐႨ9%ۚ੯ූބၙԿಷ1 ॥ᅁ॥൫ဒ۽ၜᇅ؇ൕၩ၁ࢳචந,ႨJSM 2000EXഝܴࣤҳ༥ັࢲ TMCPsystemdiagramofexperimentalprocessܒ;EBSD൫ဢဢခಣᅁۑϰሺཟ౼ဢ,ࣜݖࢳܻު,ႨFEIQuanta600ೡ૭ሰཁັࣤС֥і2 ᅁᇅݖӱ֥໑؇॥ᇅ౦ঃEBSDልᇂٳ༅ཁັቆᆮ֥ࣖ৬౼ཟބनࣖ৬ԄTable2 Temperaturecontrolofrollingprocessժ֩ྐ༏bщݼՙᅁᇔᅁࣚᅁषࣚᅁᇔᅁᇔ໑ಏ؇/໑؇/∃໑؇/∃໑؇/∃؇/∃(∃%s-1)2 试验结果 ৯࿐ྟିT23105480577740025і3ބі4ٳљູಣᅁۑϰ֥ޘཟބሺཟ৯࿐T24107080977948021ྟିbᄝ-20a-40∃֥֮໑൫ဒ໑؇༯,෮ႵԊࠌ൫ဢ֥Ԋࠌ་൬ۿᆴჹնႿAPISPEC5Lѓሙ,ѩ ঘഥ൫ဒᄝ5105 SANSັࠏ॥ᇅሰຣି൫౹ڛ఼؇ބ౹఼бनޓݺֹડቀਔѓሙᆴေbဒࠏഈ,۴ऌGB/T228 2002ݓࡅѓሙࣉྛ൩໑ঘі3 ಣᅁۑϰ֥ޘཟ৯࿐ྟିTable3 Transversemechanicalpropertiesofhot rolledsteelplateщݼ౹ڛ఼؇ ಣᅁۑϰ֥ሺཟ৯࿐ྟିTable4 Longitudinalmechanicalpropertiesofhot rolledsteelplateщݼ౹ڛ఼؇ ࣁཌྷཁັቆᆮٳ༅ቆᆮ,GBᇏႵഒਈM/Aቆᆮ,ఃྙၛӉ่ሑູX100ܵཌۑ֥SEMཁັቆᆮܴҳࢲݔೂ2ᇶbT23ཁັቆᆮᇶေູAF,अ҆ฏ߄ྛஆ෮ൕbT21ᇏཁັቆᆮၛGB+AFቆᆮູᇶཌྷ,༥ਙAFቆᆮӯགྷLBFྙbT24֥ཁັቆᆮაཬPFቆᆮֻູؽཌྷbT22ᇏཁັቆᆮູ标准G分B+享网A োxර免w费,.ॖc下o载ुm֞ ׅ֥Ӊ่ᆌሑํุቆᆮb
ֻ9௹ᇛ ֩:X100ܵཌۑ֥ಣᅁཁັቆᆮٳ༅%79%(a)T21; (b)T22; (c)T23; (d)T24b睷眮扺2 ൫ဢ֥晸SEMཁັቆ眮ᆮ TEMٳ༅෮ൕb3捯?(a)ູׅ֥ᆌሑํุቆᆮ,ᇛຶࠎุҐႨTEMܴҳ൫ဢ֥ັ༥ࢲܒ,ࢲݔೂ3ູ؟шྙํุb3(b)ູϰ่Н൦ุํุ(a)ׅᆌሑํุ; (b)ϰ่Н൦ุ; (c)໊ۚհૡ؇֥ሙ؟шྙํุ; (d)ࣖࢸԩM/A֛b3 T23൫ဢ֥TEMཁັቆᆮ TEMmicrostructureofsampleT23
%80%ۑ ํֻ45जྛஆਙ,ᇏࡗһࡃሢᆌሑํุbૄ่ϰ่Н൦ุႵງჵຓྙ֥༥ཬM/AႵ০Ⴟҋਘ֥֮໑ನํุ֥ϰॺჿູ m,ྛϰॺඏູ2 mbྟ[7]bᇏ֥ϰ่ํุഈႵնਈ໊հ,ཌྷэ఼߄ބ໊հ఼4ູT23൫ဢ֥ՙն༅ԛཌྷބ໊ۚհૡ؇߄܋ิۚਔҋਘ఼֥؇b3(c)ູ؟шྙํٳ҃౦ঃb๙ݖEXDٳ༅ॖᆩ,4(a)ᇏ৫ٚྙุࠇሙ؟шྙํุ,ႮႿၛॶሑྙൔሇэ,ࠎุᇏ༅ԛཌྷ֥ᇶေӮٳႋູTiaNbb၂ϮಪູೂՎնԄթᄝ၂קඔਈ໊֥հ,ᄝቐ༯ٚߎॖु֞༅ԛժ༅ԛཌྷؓҋਘ఼֥؇܊ངࠫެູਬ,ఃթᄝ֥ᇶཌྷა໊հൈҿࢲ,༥ཬ֥༅ԛཌྷቅθ໊հథေଢ֥൞ູࢆ֮ۑᇏႳݣਈ[8]b4(b)ູ၍,໊հऊࠢᄝ༅ԛཌྷᇛຶྙӮ໊հಕb3(d)ሙ؟шྙํุᇏ໊֥հٳ,҃ၛॶሑྙൔሇэູ֥ሙ؟шํุࣖࢸԩྙӮ֥M/A֛bM/A֛ሙ؟шྙํุᇏݣնਈ໊հ,໊ۚհૡ؇ྙӮ໊ቔູ႗ཌྷቆᆮିཁᇷิۚҋਘ఼֥؇,༥ཬطհІ,໊հཌഈٳ҃ሢ༥ཬ֥༅ԛཌྷ,ᆃ൞T23൫֥M/Aؓҋਘ֥ನྟ൞Ⴕ০֥,ೂ3(d)෮ൕ,ऎဢऎႵ఼ۚ؇ބਅݺԊࠌನྟ֥ࠎԤb睷眮(a)৫ٚྙ༅扺ԛཌྷ; (b)ሙ晸؟шྙํุ眮໊֥հٳ҃b4 T23൫ဢᇏ༅ԛཌྷބ໊հٳ҃捯? EBSDٳ༅႕ཙ҂նbࣖࢸ౼ཟҵູ2 ~15 ཬ࢘؇ࣖࢸބؓ൫ဢT22ࣉྛਔEBSDٳ༅,5(a)ູնႿ15 ֥ն࢘؇ࣖࢸbն࢘؇ࣖࢸᅝᆜ۱ٳ༅EBSDٳ༅ᇉਈ,ႮႿฏ߄ބM/A֛ቆᆮࢠთଽࣖࢸ֥88%,ᇶေ֥ն࢘؇ࣖࢸٳູ҃؟,طᆃུቆᆮીႵ၂קุ֥ࣖ౼ཟ,ᇉਈᇏԛ30 ~60 ,ᆃؓԊࠌನྟ൞Ⴕ০,֥ၹູն࢘؇ࣖགྷ၂ུߊׄbऎႵํุุࣖ౼ཟ֥ቆᆮनିࢸॖႵིၝᇅਚ໕֥ঔᅚbᇶေࣖ৬Ԅժٳ҃ᄝԛགྷऄӽဢb5(b)ູࣜݖؓߊׄౢԢު֥ࢲ~3 mᆭࡗ,ఃनࣖ৬Ԅժູ2 5 mbဢݔ,ႮႿฏ߄ٳ҃नᄋ,ౢԢߊׄުؓ࠹ෘࢲݔҐႨᆰཌࢩ౼م࠹ෘႵིࣖ৬Ԅժჿູ3 mb5 T22൫ဢ֥EBSDٳ༅ EBSDanalysisofT22samples 6(a)ູ൫ဢT22֥ࣖ৬౼ཟ,6(b)~߄౼ཟ,ູх૧ߊׄؓ౼ཟ࢘э߄൝֥႕ཙ,෮Ⴕ(d)ູࣖ৬౼ཟᇏ1~3ਫ਼ࣥഈ֥ࣖ৬౼ཟ֥࢘эਫ਼ࣥᄝᇉਈᇏߊ֥ׄთᇏ࿊ᄴbਫ਼ࣥοሳଛ标准分享网 免w费.c下o载m
ֻ9௹ᇛ ֩:X100ܵཌۑ֥ಣᅁཁັቆᆮٳ༅%81%ඨэ߄bਫ਼ࣥ1ࣜݖ2۱ᆌሑํุࣖ৬,ᄝׄ൝іૼᆌሑํุඏ֥ቋն౼ཟҵູ ,֥ׄؓׄэ߄ᇏԛགྷ၂۱ڂᆴ,іૼਫ਼ࣥࣜݖ၂۱ࢤؓჰ֥ׄ౼ཟҵղ֞10 ၛഈbіૼᆌሑํุඏ࣍15 ն࢘؇ࣖࢸ,ਫ਼ࣥଌ؊ԛགྷཬႿ5 ֥ཬ࢘؇֥ֆ۱ํุࣖ৬ุ֥ࣖ࿐౼ཟࠎЧཌྷ[8]bࣖࢸ,ᆃඋႿᆌሑํุඏᇏࣖࢸbਫ਼ࣥ2࿊ᄴ6(d)іൕਫ਼ࣥ3֥౼ཟ࢘э߄,ਫ਼ࣥࣜݖӑն࢘؇၂۱ᆌሑํุඏଽ֥౼ཟ࢘э߄,֥ׄؓׄэ߄ࣖࢸ,2۱ն࢘؇֥ࡗए؋,ᆃဢ֥ն࢘؇ऎႵཁ睷6 眮X100 T22൫扺ဢ֥ࣖ৬౼晸ཟބ෮࿊眮ਫ਼֥ࣥ౼ཟ࢘捯э߄? GrainorientationmapandtheorientationanglechangesintheselectedpathofX100 T22samplesᇷቅθਚ໕ঔᅚ֥ି৯bHigh StrengthLinepipeX120[J].NipponSteelTechnicalRe port,2004(9): 结论[3] KooJK,LutonMJ, HighStrengthSteelsforGasPipelines[C]//TheThir 1)X100൫ဒۑ֥ཁັቆᆮၛGB+AFቆᆮູteenthInternationalOffshoreandPolarEngineeringConfer ᇶ,AFቆᆮӯׅ֥Ӊ่ᆌሑ:TheInternationalSocietyofOffshoreandPolar2)ᆌؓଢభӮٳބ۽ၜഡ࠹ളӁԛ֥ॶሑྙEngineers,2003:10.ൔሇэ֥ሙ؟шྙํุᇏݣնਈ໊հ[4] ݩ.༵ࣉۑํҋਘ[M].Кࣘ:॓࿐ԛϱഠ,2007.,໊ۚհૡ؇ྙӮ໊հІ,໊հཌഈٳ҃ሢ༥ཬ֥༅ԛཌྷ[5] ਾ൯ཁ.఼ۚ؇ܵཌۑX100֥ࠎԤඌ࣮[D].ঐૼ:ঐૼ,ऎႵ఼ۚ؇ބਅݺԊࠌನྟb۽ն࿐,2007.[6] HillenbrandHG,AmorisE,)ᄝھӮٳބ۽ၜ่ࡱ༯,ࠆ֤֥ն࢘؇ࣖࢸAbilityofPipelineinGradesuptoX100FromTMProcessedᅝᆜ۱ٳ༅თଽࣖࢸ֥88%,ն࢘؇ࣖࢸᇶေٳPlate[C]//:Pipeline҃ᄝ30 ~60 Technology,1995:1.,ᆃؓԊࠌನྟ٤ӈႵ০b[7] ގਟ,ݒള.఼ۚ؇ັކࣁܵཌۑཁັቆᆮٳ༅აљҕॉ໓ང:௶[M].Кࣘ:െႲ۽ၜԛϱഠ,2001.[8] Diaz FuentesM,Iza MendiaA, [1] GrafMK,HillenbrandHG,HechmannCJ, ferentAcicularFerriteMicrostructuresinLow CarbonSteelsStrengthLarge DiameterPipeforLong DistanceHighPres byElectronBackscatteredDiffraction StudyofTheirTough sureGasPipelines[C]//InternationalOffshoreandPolarEn nessBehavior[J].MetallurgicalandMaterialsTransactions,:TheInternationalSocietyofO2003,34:,2003:97.[2] HitoshiA,TakuyaH,EijiT,
