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.
参考文献
| [1] | 陈焕铭,胡本芙,张义文,余泉茂,李慧英.飞机涡轮盘用镍基粉末高温合金研究进展[J].材料导报,2002(11):17-19. |
| [2] | Tresa M.Pollock;Sammy Tin .Nickel-Based Superalloys for Advanced Turbine Engines:Chemistry,Microstructure,and Properties[J].Journal of Propulsion & Power,2006(2):361-374. |
| [3] | 姚志浩,董建新,陈旭,张麦仓,郑磊.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(01):31-37. |
| [4] | Gaofeng Tian;Chengchang Jia;Jiantao Liu;Benfu Hu .Experimental And Simulation On The Grain Growth Of P/m Nickel-base Superalloy During The Heat Treatment Process[J].Materials & design,2009(3):433-439. |
| [5] | 杨航航,姚泽坤,高峻,郭鸿镇,刘莹莹,王敏.梯度热处理对Ti_3Al/TC11双合金焊接界面组织和显微硬度的影响[J].稀有金属材料与工程,2010(01):22-26. |
| [6] | 胡本芙,田高峰,贾成厂,刘国权.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(04):80-84. |
| [7] | 田高峰,贾成厂,温莹,刘国权,胡本芙.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(03):126-130. |
| [8] | 吴凯,刘国权,胡本芙,张义文,陶宇,刘建涛.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(11):1966-1971. |
| [9] | John Gayda;David Furrer .DUAL-MICROSTRUCTURE HEAT TREATMENT[J].Advanced Materials & Processes,2003(7):36-39. |
| [10] | Lemsky J .Assessment of NASA dual microstructure heat treatment method for multiple forging hatch heat treatments NASA/CR-2004-212950[R].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[A].,2004:401-407. |
| [12] | Mitchell R J;Lemsky J A;Ramanathan R.Process development & microstructure & mechanical property evaluation of a dual microstructure heat treated advanced nickel disc alloy.Superalloys 2008[A].:347-356. |
| [13] | Gayda J;Gabb T;Kantzos P .Mechanical properties of a superalloy disk with a dual grain structure NASA/TM-2003-212181[R].NASA,Glenn Research Center,Hanover,USA,2003. |
| [14] | 刘建涛,陶宇,张义文,张国星.FGH96合金双性能盘的组织与力学性能[J].材料热处理学报,2010(05):71-74. |
| [15] | T. P. Gabb;P. T. Kantzos;J. Telesman;J. Gayda;C. K. Sudbrack;B. Palsa .Fatigue resistance of the grain size transition zone in a dual microstructure superalloy disk[J].International Journal of Fatigue,2011(3):414-426. |
| [16] | T. P. Gabb;J. Gayda;J. Telesman;L. J. Ghosn;A. Garg.Factors influencing dwell fatigue life in notches of a powder metallurgy superalloy[J].International Journal of Fatigue,2013:55-67. |
| [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] | Yongquan Ning;Zekun Yao;Hongzhen Guo.Structural-gradient-materials produced by gradient temperature heat treatment for dual-property turbine disc[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2013:27-33. |
| [19] | A. Al Omar;J. M. Cabrera;J. M. Prado .Characterization of the hot deformation in a microalloyed medium carbon steel using processing maps[J].Scripta materialia,1996(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(06):542-547. |
| [21] | Valdimyr Burachynsky;J.R.Cahoon .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. Physical Metallurgy and Materials Science,1997(3):563-582. |
| [22] | 刘建涛,刘国权,胡本芙,陈焕铭,宋月鹏,张义文.FGH96合金晶粒长大规律的研究[J].材料热处理学报,2004(06):25-29. |
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