氮基气氛热处理现状及发展

PresentSituationandDevelopmentTrendsofHeatTreatmentinNitrogenBasedAtmosphere()WangGuangsheng(InstituteofAeronauticalMaterials,Beijing)[],:[Abstract]Technicalachievementsandapplicationsituationofheattreatmentinnitrogenbasedatmospherearepresented,anditsapplicationprospectinaviationindustryisreviewed1Keywords:nitrogenbasedatmosphereheattreatmentaviationindustry1,,(1),,,,,,,,7070%,70,,,,198370,,,,,,,,10%2,,,;,CO,CO5%,,;,;,,;,,111()221,,3311,;31FQPFQ10CO2CO22H22N2JFQ20CO2H22N2JFQ60H2,JFQ50H22N2XQXQ20CO2H22N2FXQFXQ20CO2H22N2YLQYLQ30YLQ31CO2H2,N22H2N22CHN22CO2ON22CH3OHDQDQ50H22N2DQ71N2DQ21CO2H22N2DQ20DQ21CO2H22N2,AQFAQ50H22N2RAQ50H22N2,,RAQ70N2,,,,,,,(2)(3),,,,312,,,3MCC2103,2NCSP10ö595,9915%,312112,,H26%,CO415%,CH41%4ö19972301075mm,,331212,,,4,,,,,2(%),m3öh,min03060H2CH4CON2H2CH4CON2H2CH4CON2019212111013661461701941886196190184158716112171021191172116150194128719613019418881411513152108167612612111418871651811041588153,,mV30CrMnSiNi2A9001130114030CrSiMoV9001130114040CrMnSiMoVA9201135114540CrNi2SiMoVA870100010204140(40CrNiMoA)8451130114060Si2MnA86011651175ZG22CrMnMo90010001020ZG35CrMnSi89011201140313,,40CrMnSiMoVA,,5,,615%,,,,,,314,,1050,3Cr2W81Cr18Ni9Ti,1050110010501150HB6735()(),3Cr2W81050,11401160mV,1Cr18Ni9Ti1050,,1100,,,,10504,,,,,,,54RbMPaD5W%akkJöm2HRCKICMNöm3ö2Nf(k=016R=011)40CrMnSiMoVA9201h,1901h,2604h190111174118686-7014921176519618103510588---9201h,3001h,2604h177513114817978-64132208171619128103510588---30CrMnSiNi2A9001h,2703h174412115211722-78182084159617658103510490---9001h,2001h,2703h166512185217887-83132786159617658103510588---30CrSiMoVA9001h,,400115h1542819311630942154415------4045--414084540min,52570min----38124015------3640--60Si2Mn87040min,4001h----52135418------52--,,5ppmRbHMPaI3H%S1,h2140---1180144744103min+260018625840200()2251175246504225+260111023820200()300113022750-300+260018522650-:3IH,IH=(RbH-RbH)öRbH100%,RbH+,MCC2103CE2T2CO64,,CO,CH4,E2T2CO4(48)6ö19972,,,,,,,,5(a)(b)4,,,,,333333333333333333333333333333333333333333333333333(6)6H2N2COCH4E,mV123126401142313701101139110016301632231264011023136011011461110170017132312640190231370110115311201750179423136401502311001151159113018101825221464011421140011911631140186018662217041120221000127117011501920191723126421722119401291176116019601955,,,,,,,,,,,,()84ö199612