|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
gh4706合金的动态再结晶与晶粒控制*
Keywords: 金属材料,gh4706合金,双锥试样,显微组织,动态再结晶
Abstract:
？采用双锥压缩实验结合有限元数值模拟,研究了变形温度、变形量对gh4706合金动态再结晶(drx)与η相的影响,分析了发生drx的临界条件,探讨了利用η相细化晶粒的方法。结果表明:gh4706合金drx机制为应变诱发的不连续原始晶界弓出;临界drx温度(tdrx)为975℃,而临界变形量(εdrx)则取决于变形温度与变形生热。由于η相的溶解温度近于tdrx,当合金在略低于tdrx温度变形时,有部分η相残留,具有阻碍亚晶界或晶界迁移的效果。由此,对gh4706合金在变形温度低于tdrx条件下进行大变形,可利用η相与再结晶的交互作用,细化合金晶粒。
| [1] | 2p.w.schilke,j.pepe,r.c.schwant,alloy706metallurgyandturbinewheelapplicationsuperalloys,in:superalloys718,625,706andvariousderivatives(warrendale,pa,tms-aime,1994)p.1-12
|
| [2] | 17s.mitsche,c.sommitsch,d.huber,m.stockinger,p.poelt,assessmentofdynamicsofteningmechanismsinallvac718plusbyebsdanalysis,materialsscienceandengineeringa,528(10-11),3754(2011)
|
| [3] | 18m.m.morra,p.jepson,uniformityofpropertiesinalloy706throughcontrolofforgingandheattreatment,in:superalloys718,625,706andvariousderivatives(warrendale,pa,tms-aime,1997)p.279-290
|
| [4] | 19s.c.medeiros,y.v.r.k.prasad,w.g.frazier,r.srinivasan,modelinggrainsizeduringhotdeformationofin718,scriptamaterialia,42(1),17(2000)
|
| [5] | 20h.j.mcqueen,n.d.ryan,constitutiveanalysisinhotworking,materialsscienceandengineeringa,332(1-2),43(2002)
|
| [6] | 21e.i.poliak,j.j.jonas,aone-parameterapproachtodeterminingthecriticalconditionsfortheinitiationofdynamicrecrystallizaiotn,actamaterialia,44(1),127(1996)
|
| [7] | 22y.liu,r.hu,j.s.li,h.c.kou,h.w.li,deformationcharacteristicsofas-receivedhyanes230nickelbasesuperalloy,materialsscienceandengineeringa,497(1-2),283(2008)
|
| [8] | 23r.srinivasan,v.ramnarayan,u.deshpande,v.jain,i.weiss,computersimulationoftheforgingoffinegrainin-718alloy,metallurgicaltransactionsa,24(9),2061(1993)
|
| [9] | 24r.raj,developmentofaprocessingmapforuseinwarm-forgingandhot-formingprocesses,metallurgicaltransactionsa,12(6),1089(1981)
|
| [10] | 1p.w.schilke,r.c.schwant,alloy706use,processoptimization,andfuturedirectionsforgegasturbinerotormaterials,in:superalloys718,625,706andvariousderivatives(warrendale,pa,tms-aime,2001)p.521-530
|
| [11] | 3t.m.pollock,s.tin,nickel-basedsuperalloysforadvancedturbineengines:chemistry,microstructureandproperties,journalofpropulsionandpower,22(2),261(2006)
|
| [12] | 4w.hoffelner,damageassessmentinstructuralmetallicmaterialsforadvancednuclearplants,journalofmaterialsscience,45(9),2247(2010)
|
| [13] | 5g.w.kuhlman,a.k.chakrabarti,r.a.beaumont,j.f.radavich,microstructure-mechanicalpropertiesrelationshipsininconel706superalloyin:superalloys718,625,706andvariousderivatives(warrendale,pa,tms-aime,1994)p.441-450
|
| [14] | 6s.c.medeiros,y.v.r.k.prasad,w.g.frazier,r.srinivasan,microstructuremodelingofmetadynamicrecrystallizationinhotworkingofin718superalloy,materialsscienceandengineeringa,293(1),198(2000)
|
| [15] | 7d.furrer,h.fecht,ni-basedsuperalloysforturbinediscs,jom,51(1),14(1999)
|
| [16] | 8h.t.lee,w.h.hou,finegrainsformingprocess,mechanismoffinegrainformationandpropertiesofsuperalloy718,materialstransactions,53(4),716(2012)
|
| [17] | 9zhangbeijiang,zhaoguangpu,xuguohua,fengdi,hotdeformationbehaviorandmicrostructureevolutionofsuperalloygh742,actametallurgicalsinica,41(11),1207(2005)
|
| [18] | (张北江,赵光普,胥国华,冯涤,gh742合金热变形行为与微观组织演化,金属学报,41(11),1207(2005))
|
| [19] | 10chenliqing,zhaoyang,xuqiuxiang,liuxianghua,dynamicrecrystallizaitonandprecipitationbehaviorsofakindoflowcarbonv-microalloyedsteel,actametallurgicalsinica,46(10),1215(2010)
|
| [20] | (陈礼清,赵阳,徐香秋,刘相华,一种低碳钒微合金钢的动态再结晶与析出行为,金属学报,46(10),1215(2010))
|
| [21] | 11y.wang,l.zhen,w.z.shao,x.m.zhang,hotworkingcharacteristicsanddynamicrecrystallizationofdelta-processedsuperalloy718,journalofalloyscompounds,474(1-2),341(2009)
|
| [22] | 12f.torster,g.baumeister,j.albrecht,g.lütjering,d.helm,m.a.daeubler,influenceofgrainsizeandheattreatmentonthemicrostructureandmechanicalpropertiesofthenickel-basesuperalloyu720li,materialsscienceandengineeringa,234,189(1997)
|
| [23] | 13j.h.moll,g.h.maniar,d.r.muzyka,themicrostructureofanewfe-ni-basesuperalloy,metallurgicaltransactions,2,2141(1971)
|
| [24] | 14s.v.thamboo,thermomechanicalbehaviorandmicrostructuredevelopmentofalloy706,in:superalloys718,625,706andvariousderivatives(warrendale,pa,tms-aime,1997)p.211-217
|
| [25] | 15a.kermanpur,s.tin,p.d.lee,m.mclean,integratedmodelingforthemanufactureofaerospacediscs:grainstructureevolution,jom,56(3),72(2004)
|
| [26] | 16n.dudova,a.belyakov,t.sakai,r.kaibyshev,dynamicrecrystallizationmechanismsoperatinginani-20%cralloyunderhot-to-warmworking,actameterialia,58,3624(2010)
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
