杨万鹏,刘国权,吴凯,胡本芙

• 1:北京科技大学材料科学与工程学院
• 2:北京科技大学新金属材料国家重点实验室

摘要(Abstract)：

采用热力学相计算、光学显微镜和场发射扫描电镜等实验方法研究了镍基粉末高温合金进行亚固溶热处理对合金双重晶粒组织的影响。结果表明:合金热处理过程中固溶温度和时间是控制合金晶粒尺寸的重要因素。合金中γ'相的固溶温度为1160℃。锻态合金在固溶热处理前先进行亚固溶热处理,可使锻态组织的晶粒尺寸均匀化,有利于固溶热处理控制晶粒尺寸,得到合适的晶粒度;在合金固溶热处理后再进行亚固溶热处理,晶粒尺寸发生适度的粗化和长大,有利于调整固溶热处理后的晶粒尺寸以改善合金力学性能。

关键词(KeyWords)： 镍基粉末高温合金;γ'相固溶温度;晶粒度;亚固溶热处理

Abstract:

Keywords:

基金项目(Foundation): 国家高技术研究发展计划(863计划)(2013AA031601);; 国家预研基金项目(9140A12070507QT0202)

作者(Author): 杨万鹏,刘国权,吴凯,胡本芙

DOI: 10.13289/j.issn.1009-6264.2014.03.016

参考文献(References)：

• [1]陈焕铭,胡本芙,张义文,等.飞机涡轮盘用镍基粉末高温合金研究进展[J].材料导报,2002,16(11):17-19.CHEN Huan-ming,HU Ben-fu,ZHANG Yi-wen,et al.Recent development in nickel-based powder superalloy used in aircraft turbines[J].Materials Review,2002,16(11):17-19.
• [2]Pollock T M,Tin S.Nickel-based superalloys for advanced turbine engines:chemistry,microstructure and properties[J].Journal of Propulsion and Power,2006,22(2):361-374.
• [3]姚志浩,董建新,陈旭,等.GH738高温合金长期时效过程中γ'相演变规律[J].材料热处理学报,2013,34(1):31-37.YAO Zhi-hao,DONG Jian-xin,CHEN Xu,et al.Gamma prime phase evolution during long-time exposure for GH738 superalloy[J].Transactions of Materials and Heat Treatment,2013,34(1):31-37.
• [4]Tian G F,Jia C C,Liu J T,et al.Experimental and simulation on the grain growth of P/M nickel-base superalloy during the heat treatment process[J].Materials and Design,2009,30:433-439.
• [5]Yang H H,Yao Z K,Gao J,et al.Influence of gradient heat treatment on microstructure and microhardness in weld seam of Ti3Al TC11 dual alloys[J].Rare Metal Materials and Engineering,2010,39(1):22-25.
• [6]胡本芙,田高峰,贾成厂,等.双性能粉末高温合金涡轮盘的研究进展[J].航空材料学报,2007,27(4):80-84.HU Ben-fu,TIAN Gao-feng,JIA Cheng-chang,et al.Development in double-properties turbine disk of P/M superalloy[J].Journal of Aeronautical Materials,2007,27(4):80-84.
• [7]田高峰,贾成厂,温莹,等.粉末高温合金涡轮盘不同部位冷却γ'相的析出和强化[J].材料热处理学报,2008,29(3):126-130.TIAN Gao-feng,JIA Cheng-chang,WEN Ying,et al.Cooling precipitation and strengthening for different locations of a powder metallurgy nickel-base superalloy disk[J].Transactions of Materials and Heat Treatment,2008,29(3):126-130.
• [8]吴凯,刘国权,胡本芙,等.固溶热处理对新型镍基粉末FGH98I高温合金组织与性能的影响[J].稀有金属材料与工程,2011,40(11):1966-1971.WU Kai,LIU Guo-quan,HU Ben-fu,et al.Effect of solution heat treatment on the microstructure and properties of a novel nickel-based P/M superalloy FGH98I[J].Rare Metal Materials and Engineering,2011,40(11):1966-1971.
• [9]Gayda J,Furrer D.Dual-micro structure heat treatment[J].Advanced Materials&Processes,2003,161(7):36-39.
• [10]Lemsky J.Assessment of NASA dual microstructure heat treatment method for multiple forging batch heat treatments[R].NASA/CR—2004-212950,NASA,Glenn Research Center,Hanover,USA,2004.
• [11]Mourer D P,Williams J L.Dual heat treat process development for advanced disk applications.Superalloys 2004[C]∥Green K A,Pollock T M,Harada H,et al.TMS,2004:401-407.
• [12]Mitchell R J,Lemsky J A,Ramanathan R,et al.Process developmentµstructure&mechanical property evaluation of a dual microstructure heat treated advanced nickel disc alloy.Superalloys 2008[C]∥Reed R C,Green K A,Caron P,et al.TMS 2008:347-356.
• [13]Gayda J,Gabb T,Kantzos P.Mechanical properties of a superalloy disk with a dual grain structure[R].NASA/TM—2003-212181,NASA,Glenn Research Center,Hanover,USA,2003.
• [14]刘建涛,陶宇,张义文,等.FGH96合金双性能盘的组织与力学性能[J].材料热处理学报,2010,31(5):71-74.LIU Jian-tao,TAO Yu,ZHANG Yi-wen,et al.Microstructure and mechanical property of FGH96 alloy dual property disk[J].Transactions of Materials and Heat Treatment,2010,31(5):71-74.
• [15]Gabb T P,Kantzos P T,Telesman J,et al.Fatigue resistance of the grain size transition zone in a dual microstructure superalloy disk[J].International Journal of Fatigue,2011,33:414-426.
• [16]Gabb T P,Gayda J,Telesman J,et al.Factors influencing dwell fatigue life in notches of a powder metallurgy superalloy[J].International Journal of Fatigue,2013,48:55-67.
• [17]Collins D M,Conduit B D,Stone H J,et al.Grain growth behaviour during near-γ'solvus thermal exposures in a polycrystalline nickel-base superalloy[J].Acta Materialia,2013,61:3378-3391.
• [18]Ning Y Q,Yao Z K,Guo H Z,et al.Structural-gradient-materials produced by gradient temperature heat treatment for dual-property turbine disc[J].Journal of Alloys and Compounds,2013,557:27-33.
• [19]Omar A A,Cabrera J M,Prado J M.Characterization of the hot deformation in a microalloyed medium carbon steel using processing maps[J].Scripta Materialia,1996,34(8):1303-1308.
• [20]Raghunathan N,Sheppard T.Microstructural development during annealing of hot rolled Al-Mg alloys[J].Materials Science and Technology,1989,5(6):542-547.
• [21]Burachynsky V,Cahoon J R.A theory for solute impurity diffusion,which considers engel-brewer valences,balancing the fermi energy levels of solvent and solute,and differences in zero point energy[J].Metallurgical and Materials Transactions A,1997,28A(3):563-582.
• [22]刘建涛,刘国权,胡本芙,等.FGH96合金晶粒长大规律的研究[J].材料热处理学报,2004,25(6):25-29.LIU Jian-tao,LIU Guo-quan,HU Ben-fu,et al.Study on grain growth of P/M FGH96 superalloy[J].Transactions of Materials and Heat Treatment,2004,25(6):25-29.

文章评论(Comment)：