|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
快速凝固fe--co合金中的亚稳相
Keywords: 金属材料,？快速凝固,？fe--co合金,？深过冷,？竞争形核,？亚稳相
Abstract:
？采用熔融玻璃净化和循环过热相结合的方法,研究了fe--co合金在深过冷快速凝固中的亚稳相。结果表明,当熔体的过冷度达到某一临界数值(?tcrit)时,亚稳相(b.c.c)在竞争形核中优先形核生长,并在随后的冷却过程中保留在凝固组织中。在γ单相区内等温退火3h后,亚稳相完全转变为稳定相；在过冷fe--co合金的凝固组织中亚稳相是“竞争形核--重熔--γ相外延生长--不完全固态相变”的产物。
| [1] | woodcocktg,hermannrandl?serw.developmentofametastablephasediagramtodescribesolidificationinundercooledfe-comelts.comp.couplingphasediagramsthermochem,31:256-263(2007)
|
| [2] | limingjun,songguangsheng,yanggencangandzhouyaohe,microstructureevolutionandmetastablephaseformationinfe-30at.%comelt.mater.sci.eng.,a26:90-97(1998)
|
| [3] | guoxuuefeng,yanggencang.effectofglasscompositiononundercoolingstabilityofcu50ni50alloymelts,chinjnonferrousmet,10:77(2000)
|
| [4] | (郭学锋,杨根仓,玻璃净化剂组分对cu50ni50合金熔体过冷度稳定性的影响.中国有色金属学报,10:77(2000))
|
| [5] | liuning,yanggencang,liufeng,chenyuzeng,yangchanglin,zhouyaohe.solidificationdisciplinarianofhighlyundercooledfe-coalloy,actametalsinica,43（5）：449-453(2007)
|
| [6] | (刘宁,杨根仓,刘峰,陈豫增,杨长林，周尧和,深过冷fe-co合金的凝固规律.金属学报，43（5）：449-453(2007))
|
| [7] | turnbulld,fisherjc.rateofnucleationincondensedsystem.jchemphys,17:71(1949)
|
| [8] | turnbulld.formationofcrystalnucleiinliquidmetals.jappl.phys,,21:1022(1950)
|
| [9] | thompsoncv,spaepenf.homogeneouscrystalnucleationinbinarymetallicmelts.actametal,31:3021(1983)
|
| [10] | cechre.evidenceforsolidificationofametastablephaseinfe-nialloys.trans.aime,206:585-589(1956)
|
| [11] | gaoj,volkmannt,strohmengerj,herlachdm.phaseselectioninundercoolednd–fe–co–balloydroplets.mater.sci.eng.,a375-377:498-501(2004)
|
| [12] | strohmengerj,volkmannt,gaoj,herlachdm.phaseselectioninundercooledfe–ndalloymelts.mater.sci.eng.a,375-377:561-564(2004)
|
| [13] | chenyz,yanggc,liuf,n.liu.h.xie,y.h.zhou.microstructuraltransitionsofmetastablephaseinundercooledfe–7.5at%nialloy.j.ofcryst.growth,289:1-5(2006)
|
| [14] | liun,liuf,yanggc,cheny.z.,yangc.l.,zhouy.h..nucleationandphaseselectioninundercooledfe–comelt.j.alloyscompd.,467:l11-l15(2009)
|
| [15] | chenyz,yanggc,liuf,n.liu.h.xie,y.h.zhou.formingmechanismofmetastable“dendritecore”inundercooledfe–nialloy.mater.lett.,60:1888(2006)
|
| [16] | herlachdm,feuerbacherb,schleipe.phaseseedinginthesolidificationofanundercooledmelt.mater.sci.eng.a,133:795(1991)
|
| [17] | kosekit.,flemingsm.c.solidificationofundercooledfe-cr-nialloys.metall.mater.trans.a,26a:2991(1995)
|
| [18] | hermannr,l?serw,lindenkreuzh-g,diefenbacha,zahnoww,dreierw,volkmannt,herlachdm.metastablephaseformationinundercooledfe-comeltsunderterrestrialandparabolicflightconditions.microgravity-scicenceandtechnology,19:5-10(2007)
|
| [19] | hermannr,l?serw,lindenkreuzg,diefenbacha,zahnoww,dreierw,volkmannt,herlachdm..metastablephaseformationinundercooledfe-comelts.mater.sci.eng.a,375–377:507-511(2004)
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
