D01:10.13374.isml00103x.2009.06.007 第31卷第6期 北京科技大学学报 Vol.31 No.6 2009年6月 Journal of University of Science and Technology Beijing Jum.2009 合金元素对新型镍基粉末高温合金的热力学平衡相析 出行为的影响 吴凯”刘国权2) 胡本芙》吴昊”张义文)陶宇)刘建涛) 1)北京科技大学材料科学与工程学院。北京1000832)北京科技大学新金属材料国家重点实验室，北京100083 3)北京科技大学治金与生态工程学院北京1000834)钢铁研究总院高温材料研究所，北京100081 摘要通过热力学平衡相计算方法系统研究了某新型镍基粉末高温合金时效温度下合金元素对热力学平衡相析出行为 的影响.计算结果表明：R104合金析出的主要平衡相为Y、MC、M2aC6M,B2和TCP相.Cr和Co含量主要影响TCP相的 析出行为及Y相的析出温度.Cr含量对M23C6和M3B2的析出行为有一定的影响，Cr的建议质量分数为13%：Mo和W含量 影响TCP相和M3B2的析出行为.质量比AVTi和Nb/Ta影响Y相的析出行为，建议控制AVTi和Nb/Ta比平衡，以使Y相 起到理想的强化效果.C和B含量显著影响碳化物和硼化物的析出量，还可间接抑制TCP相析出：Zr含量对MC和M3C6碳 化物的析出有影响：增C。降C:和调节合金元素含量以获得小的点阵错配度是第3代涡轮盘用粉末治金高温合金成分优化设 计的趋势。 关键词粉末治金高温合金：热力学计算：平衡相：涡轮盘；优化设计 分类号TG146.1+5:TG1115 Effect of alloy elements on the precipitation behavior of thermodynamic equilibri- um phases in new type nickel-based P/M superalloys WU Kai.LIU Guo-quan2.HU Be-fu.WU Hao,ZHANG Yi-wen3.TAO Yu LIU Jiantao 1)School of Materials Science and Engineering.University of Science and Technology Beijing.Beijing 100083 China 2)State Key Laboratory for Advanced M ctals and Materiak University of Science and Technology Beijing.Beijing 100083.China 3)School of Metallurgical and Ecological Engineering.University of Science and Technology Beijing.Bijng 100083.China 4)High Temperature Materials Research Institution.CISRI.Beijing 100081.China ABSTRACT The effects of alloy elements on the precipitation behaviors of equilibrium phases in new ty pe nickel-based powder met- allurgy(P/M)superalloys at aging temperature were studied systematically by a thermody namic calculation method.The calculation results show that the equilibrium precipitation phases of Rere 104 are Y,MC M23C M3B2 and TCP phases.Cr and Co contents mainly influence the precipitation behaviors of TCP phases and the precipitation temperature of y phase.Cr content also plays a role in the precipitation behaviors of M23C6 and M3B2.The suggested content of Cr is 13%.Mo and W contents influence the precipita- tion behaviors of TCP phases and M3B2.The mass ratios of AV Ti and Nb/Ta affect the precipitation behaviors of y phase.It sug- gests controlling the values of Al Ti and Nb/Ta to be unity in order to makey phase having desire strengthen effect.C and B com tents significantly influence the precipitation volumes of carbides and borides;they can restrain the precipitation of TCP phases indi- rectly.Zr content influences the precipitation behaviors of MC and M23C6.Besides it is revealed that the composition optimization and design trend of the 3rd generation P/M turbine disc superalloys is with more Co less Cr and to obtain a smaller lattice mismatch by adjusting the contents of alloy elements. KEY WORDS P/M superalloy:thermody namic calculation equilibrium phase turbine disc;optimization design 在20世纪90年代，由美国国家航空航天局(NASA)格伦研究中心与美国通用(GE)飞机引擎公 收稿日期：200807-08 基金项目：国家武器装备预研基金资助项目(No.9140A12070507QT0202):国家高技术研究发展计划资助项目(No.2007AA03A223) 作者简介：吴凯(1984-，男。博士研究生：刘国权(1952一)，男，教授博士生导师E-maila:g.im@usth.ed血.cn合金元素对新型镍基粉末高温合金的热力学平衡相析 出行为的影响 吴 凯 1) 刘国权 1, 2) 胡本芙 1) 吴 昊 1) 张义文 1 , 4) 陶 宇 4) 刘建涛 4) 1)北京科技大学材料科学与工程学院, 北京 100083 2)北京科技大学新金属材料国家重点实验室, 北京 100083 3)北京科技大学冶金与生态工程学院, 北京 100083 4)钢铁研究总院高温材料研究所, 北京 100081 摘 要 通过热力学平衡相计算方法, 系统研究了某新型镍基粉末高温合金时效温度下合金元素对热力学平衡相析出行为 的影响.计算结果表明:René 104 合金析出的主要平衡相为γ′、MC 、M23C6 、M3B2 和 TCP 相.Cr 和 Co 含量主要影响 TCP 相的 析出行为及γ′相的析出温度, Cr 含量对 M23C6 和 M3B2 的析出行为有一定的影响, Cr 的建议质量分数为 13%;Mo 和 W 含量 影响 TCP 相和 M3B2 的析出行为.质量比 Al/ Ti 和 Nb/ Ta 影响γ′相的析出行为, 建议控制 Al/ Ti 和 Nb/ Ta 比平衡, 以使γ′相 起到理想的强化效果.C 和 B 含量显著影响碳化物和硼化物的析出量, 还可间接抑制 TCP 相析出;Zr 含量对 MC 和 M23C6 碳 化物的析出有影响;增 Co 降 Cr 和调节合金元素含量以获得小的点阵错配度是第3 代涡轮盘用粉末冶金高温合金成分优化设 计的趋势. 关键词 粉末冶金高温合金;热力学计算;平衡相;涡轮盘;优化设计 分类号 TG146.1 +5 ;TG 111.5 Effect of alloy elements on the precipitation behavior of thermodynamic equilibri￾um phases in new type nickel-based P/M superalloys WU Kai 1), LIU Guo-quan 1 , 2), HU Ben-fu 1), WU Hao 1), ZHANG Yi-wen 1 , 3), TAO Yu 3), LIU J ian-tao 3) 1)School of Mat erials Science and Engineering , University of S cience and Technology Beijing , Beijing 100083 , China 2)St at e Key Laborat ory for Advanced M etals and Materials, University of S cience and Technology Beijing , Beijing 100083 , China 3)School of Met allurgical and Ecologi cal Engineering , University of Science and T echnology Beijing , Beijing 100083 , China 4)High Temperature Mat erials Research Institution , CISRI , Beijing 100081 , China ABSTRACT The effects of alloy elements o n the precipitatio n behaviors of equilibrium phasesin new ty pe nickel-based powder met￾allurgy (P/ M)superalloys at aging tempera ture were studied systematically by a thermody namic calculatio n method .The calculation results show that the equilibrium precipitation phases of René 104 are γ′, MC, M23C6 , M3B2 and TCP phases.Cr and Co co ntents mainly influence the precipitation behavio rs of TCP phases and the precipitatio n temperature of γ′phase.Cr content also play s a role in the precipitation behaviors of M23C6 and M3B2.The suggested content of Cr is 13%.Mo and W contents influence the precipita￾tio n behaviors of TCP phases and M3B2 .The mass ratios of Al/ Ti and Nb/ Ta affect the precipitation behavio rs of γ′phase.It sug￾gests controlling the values of Al/ Ti and Nb/ Ta to be unity in o rder to make γ′phase having desire streng then effect .C and B co n￾tents significantly influence the precipitation volumes of carbides and borides ;they can restrain the precipitation of TCP phases indi￾rectly.Zr content influences the precipitation behaviors of MC and M23C6 .Besides, it is revealed that the composition optimization and design trend of the 3rd generation P/M turbine disc superalloy s is with more Co , less Cr and to obtain a smaller lattice mismatch by adjusting the contents of alloy elements. KEY WORDS P/ M superalloy;thermody namic calculation;equilibrium phase;turbine disc;optimization desig n 收稿日期:2008-07-08 基金项目:国家武器装备预研基金资助项目(No .9140A12070507QT0202);国家高技术研究发展计划资助项目(No .2007AA03A223) 作者简介:吴 凯(1984—), 男, 博士研究生;刘国权(1952—), 男, 教授, 博士生导师, E-mail:g .liu@ustb.edu.cn 在 20 世纪 90 年代, 由美国国家航空航天局 (NASA)格伦研究中心与美国通用(GE)飞机引擎公 第 31 卷 第 6 期 2009 年 6 月 北 京 科 技 大 学 学 报 Journal of University of Science and Technology Beijing Vol .31 No.6 Jun.2009 DOI :10.13374/j .issn1001 -053x.2009.06.007