徐顺建,张萌

• 1:南昌大学材料科学系
• 2:南昌大学材料科学系 江西南昌330047
• 3:江西南昌330047

摘要(Abstract)：

比较了混合稀土(LaCe)对快速凝固CuCr合金不同状态下组织和性能的影响,结果表明:在急冷态,稀土元素消除了CuCr合金部分柱状晶,稀土元素本身的添加使显微硬度有所提高;抑制时效后CuCr合金二次Cr颗粒的析出,使硬度值随时效温度变化相对比较平稳,提高热稳定性,延缓了过时效的发生。此外,稀土元素改变了CuCr合金共晶组织的短棒状或层片状形态,大多以网状共晶组织存在,经退火共晶组织更加清晰化。

关键词(KeyWords)： 混合稀土(LaCe);时效处理;CuCr合金;快速凝固

Abstract:

Keywords:

基金项目(Foundation): 教育部高等学校骨干教师资助计划资助(GG-430-11902-1010);; 江西省自然科学基金资助项目(0050022)

作者(Author): 徐顺建,张萌

参考文献(References)：

• 1　杜　挺.稀土元素在金属材料中的作用和机制[J].金属功能材料,1996,3(3):81～85.DuTing.Themechanismandeffectoftherareearthinmetallicmaterials[J].MetallicFunctionalMaterials,1996,3(3):81～85.
• 2　谈荣生,孙连超.稀土在纯铜和铜合金中的应用和研究现状[J].中国稀土学报,1995,13:445～449.TanRong sheng,SunLian chao.Stateofstudyandapplicationprospectoftherareearthinpurecopperandcopperalloys[J].JournaloftheChineseRare EarthSociety,1995,13:445～449.
• 3　庄　虹,刘勇健.稀土对铜及铜合金性能的影响[J].有色金属,1995,47(2):90～94.ZhangHong,LiuYong jian.Theeffectsoftherareearthoncopperandcopperalloys[J].NonferrousMetals,1995,47(2):90～94.
• 4　王仲珏,许忠胜.用Rece45变质处理Cu Cr合金铸件的工艺[J].特种铸造及有色合金,1999,3:44～45.WangZhong jue,XuZhong shen.TechnologyforRece45mischmetalmodifiedCu Cralloycasting[J].SpecialCasting&NonferrousAlloys,1999,3:44～45.
• 5　CorreiaJB,DaviesHA,SellarsCM.StrengtheninginrapidlysolidifiedagehardenedCu CrandCu Cr Zralloys[J].ArmMater,1997,45(1):177～190.
• 6　MorrisMA,MorrisDG.MicrostructuresandmechanicalpropertiesofrapidlysolidifiedCu Cralloys[J].ActaMetall,1987,35(10):2511～2522.
• 7　AhnEC,YuJin,ParkIS.Effectofheattreatmentat350℃ontheadhesionofCu Cralloyfilmstopolyimide[J].JournalofMaterialsScience,2000,(35):1949～1955.
• 8　VoitovitchR,MortensenA,HodajF,EustathopoulosN.Diffusion limitedreactivewettingstudyofspreadingkineticsofCu Cralloysoncarbonsubstrates[J].ActaMater,1999,47(4):1117～1128.
• 9　BatraIS,DeyGK,KulkarniUD,BanerjeeS.MicrostructureandpropertiesofaCu Cr Zralloy[J].JournalofNuclearMaterials,2001,299:91～100.
• 19　张程煜,王　江,张　晖,等.Ni或Co的加入对CuCr25合金组织与性能的影响[J].稀有金属材料与工程,2001,30(4):286～289.ZhangCheng yu,WangJiang,ZhangHui,etal.EffectsofNiandCoonmicrostructureandcharacteristicsofCuCr25preparedbyvacuuminductionmelting[J].RareMetalMaterialsandEnginering,2001,30(4):286～289.
• 11　SongJS,KimHS,LeeCT,HongSI.DeformationprocessingandmechanicalpropertiesofCu Cr X(X=AgorCo)microcomposites[J].Journalof MaterialsProcessingTechnology,2002,130-131:272～277.
• 12　BatraIS,DeyGK,KulkarniUD,BanerjeeS.PrecipitationinaCu Cr Zralloy[J].MaterialsScienceandEngineering,2002,356(A):32～36.
• 13　XieMing,LiuJianliang,LuXianyong,etal.InvestigationontheCu Cr REalloysbyrapidsolidification[J].MaterialsScienceandEngineering,2001,304-306(A):529～533.
• 14　张　萌,高　鹏.新型铜稀土系引线框架材料研制[J].江西冶金,2003,23(6):58～61.ZHANGMeng,GAOPeng.StudyonsomeCu REalloysfornewleadframematerials[J].JiangXiMetallurgy,2003,23(6):58～61.
• 15　RaabeD,MiyakeK,TakaharaH.Processing,microstructureandpropertiesofternaryhigh strengthCu Cr Aginsitucomposites[J].MaterialsScienceand Engineering,2000,291(A):186～197.
• 16　XieMing,LiuJianliang,LuXianyong,etal.StudyofrapidlysolidifiedCu Cr REalloys[J].ScienceandTechnologyofAdvancedMaterials,2001,2:79～82.
• 17　AhnEC,YuJin,ParkIS.Effectofheattreatmentat350℃ontheadhesionofCu Cralloyfilmstopolyimide[J].JournalofMaterialsScience,2000,35:1949～1955.
• 18　陈晓芳,许　彪,张　萌.稀土元素对铜合金显微组织的影响[J].南昌大学学报(理科版),2003,27(1):33～36.ChenXiaofang,X櫣Biao,ZhangMeng.Rareearth’seffecttothemicrostructureofCu Cralloy[J].JournalofNanchangUniversity(NaturalScience),2003,27(1):33～36.
• 19　杨明珊.探讨稀土元素在快速凝固Al Ti合金中的作用[J].河南师范大学学报(自然科学版),2003,31(3):55～57.YANGMingshan.TheeffectofrareearthelementLaonrapidlysolidifiedelevated temperatureAl Tialloy[J].JournalofHenanNormalUniversity(NaturalScience),2003,31(3):55～57.

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