固溶热处理工艺对FGH95合金组织和性能的影响Effect of solution heat treatment on microstructure and properties of FGH95 alloy
黄国超,刘国权,冯敏楠,殷跃军,胡本芙
摘要(Abstract):
研究了固溶热处理慢速加热和快速加热工艺对锻压变形后FGH95合金晶粒尺寸以及晶粒尺寸分布均匀性的影响。结果表明:合金经固溶处理快速加热后晶粒尺寸分布较慢速加热均匀,晶粒较为细小;晶粒尺寸分布的均匀性随着变形量的增加而增加,平均晶粒尺寸随着变形量的增加而减小。通过实验观察分析,固溶处理快速加热可有效利用变形合金储存的位错能,促进再结晶发生,避免混晶和粗大晶粒出现,从而得到尺寸均匀的晶粒组织。
关键词(KeyWords): 粉末高温合金;慢速加热;快速加热;固溶处理;晶粒尺寸分布
基金项目(Foundation): 国家高技术研究发展计划(“863”计划)项目(2015AA034201);; 国家自然科学基金(51371030);; 北京市科技计划项目(D161100002416001)
作者(Author): 黄国超,刘国权,冯敏楠,殷跃军,胡本芙
DOI: 10.13289/j.issn.1009-6264.2016-X320
参考文献(References):
- [1]Raisson G.Evolution of PM nickel base superalloy processes and products[J].Powder Metallurgy,2013,51(1):10-13.
- [2]Tang C F,Pan F,Qu X H,et al.Nickel base superalloy GH4049 prepared by powder metallurgy[J].Journal of Alloys and Compounds,2009,474(1):201-205.
- [3]Cheng K,Liu D,Zhang L,et al.Interdiffusion and atomic mobility studies in Ni-rich fcc Ni-Al-Mn alloys[J].Journal of Alloys and Compounds,2013,579:124-131.
- [4]Guo W,Wu J,Zhang F G,et al.Microstructure,properties and heat treatment process of powder metallurgy superalloy FGH95[J].Journal of Iron and Steel Research,International,2006,13(5):65-68.
- [5]Torster F,Baumeister G,Albrecht J,et al.Influence of grain size and heat treatment on the microstructure and mechanical properties of the nickel-base superalloy U 720 LI[J].Materials Science and Engineering A,1997,234:189-192.
- [6]刘元春,徐永涛,杨培钦,等.HB/Z 140-2004,航空用高温合金热处理工艺[S].
- [7]杨王玥,张济山,陈国良,等.细晶处理对镍基合金疲劳蠕变交互作用行为的影响[J].金属学报,1988,24(4):266-269.YANG Wang-yue,ZHANG Ji-shan,CHEN Guo-liang,et al.Effect of grain refining on fatigue-creep interaction behaviour in a ni-base superalloy[J].Acta Metallurgica Sinica,1988,24(4):266-299.
- [8]国为民,冯涤.俄罗斯粉末高金工艺的研究和发展[J].粉末冶金工业,2000,10(1):20-27.GUO Wei-min,FENG Di.Research and development of powder metallurgy industry[J].Powder Metallurgy Industry,2000,10(1):20-27.
- [9]邹金文,汪武祥.粉末高温合金研究进展与应用[J].航空材料学报,2006(3):243-250.ZOU Jin-wen,WANG Wu-xiang.Development and application of P/M superalloy[J].Journal of Aeronautical Materials,2006(3):243-250.
- [10]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(8):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(8):80-84.
- [11]谢君,田素贵,周晓明,等.固溶温度对FGH95镍基合金持久断裂机制的影响[J].稀有金属材料与工程,2012,41(3):447-451.XIE Jun,TIAN Su-gui,ZHOU Xiao-ming,et al.The effect of solution temperature on the persistent fracture mechanism for FGH95[J].Rare Metal Materials and Engineering,2012,41(3):447
- [12]Beltran O,Huang K,LogéR E.A mean field model of dynamic and post-dynamic recrystallization predicting kinetics,grain size and flow stress[J].Computational Materials Science,2015,102:293-303.
- [13]余永宁.金属学原理[M].北京:冶金工业出版社,2000:306
- [14]Semiatin S L,Shank J M,Shiveley A R,et al.The effect of forging variables on the supersolvus heat-treatment response of powder-metallurgy nickelbase superalloys[J].Metallurgical and Materials Transactions A,2014,45(13):6231-6251.
- [15]Rollett A,Humphreys F J,Rohrer G S,et al.Recrystallization and Related Annealing Phenomena[M].Elsevier,2004.
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