一种第二代镍基单晶高温合金固溶时效处理工艺的确定
Determination of Solid Solution and Aging Process for a Second Generation Ni-based Single Crystal Superalloy
摘 要
用热力学计算、差热曲线和金相法确定了一种第二代镍基单晶高温合金的固溶时效热处理工艺。结果表明: 经过1 315 ℃×4 h的逐级保温固溶处理后, 合金中的铸态γ/γ′共晶组织得到有效溶解; 再经过1 150 ℃×4 h的时效热处理后, 获得尺寸为0.44 μm、体积分数为62%和立方度较好的γ′相; 经以上固溶和一级时效处理, 再经过870 ℃×24 h二级时效处理后, 合金的持久性能达到国外同类材料的先进水平。
固溶时效
持久性能
Ni-based single crystal superalloy
solid solutin and aging
rupture property
Abstract
The solid solution and aging process for a second generation Ni-based single crystal superalloy was investigated by the assistance of thermodynamic calculation, DSC curve and metallography. Results show that cast γ/γ′ eutectic in the superalloy was dissolved after step-wise solid solution at 1 315 ℃ for 4 h. After followed aging at 1 150 ℃×4 h, the size of cuboidal γ′ was 0.44 μm and its volume fraction was 62%. After the solid solution, first level aging and then the second aging at 870 ℃ for 24 h, this alloy showed excellent rupture property as good as that of foreign similar materials.
中图分类号 TG146.1
所属栏目 试验研究
基金项目 国家重点基础研究资助项目(2010CB631201); 国家自然科学基金资助项目(51171193)
收稿日期 2012/3/26
修改稿日期 2012/12/29
网络出版日期
作者单位点击查看
备注陈柏凡(1985-), 男, 广西岑溪人, 硕士。
引用该论文: CHEN Bai-fan,LI Hui. Determination of Solid Solution and Aging Process for a Second Generation Ni-based Single Crystal Superalloy[J]. Materials for mechancial engineering, 2013, 37(5): 18～21
陈柏凡,李辉. 一种第二代镍基单晶高温合金固溶时效处理工艺的确定[J]. 机械工程材料, 2013, 37(5): 18～21
被引情况:
【1】骆宇时,郭会明,赵云松,张剑, "热等静压对第二代DD6单晶高温合金高温高周疲劳性能的影响",机械工程材料 40, 51-55(2016)
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参考文献
【1】KEARSEY R M, BEDDOES J C, JONES P, et al. Compositional design considerations for microsegregation in single crystal superalloy systems[J].Intermetallics, 2004, 12(7): 903-910.
【2】NAKAGAWA Y. Aero-engine business and material technology in Japan[C]// Superalloys 2004.[S.l.]: TMS, 2006: 3-14.
【3】FUCHS G E. Solution heat treatment response of a third generation single crystal Ni-base superalloy[J].Mat Sci Eng A, 2001, 300(1): 52-60.
【4】REED R C, COX D C, RAE C M F. Kinetics of rafting in a single crystal superalloy: effects of residual microsegregation[J].Mater Sci Technol, 2007, 23(8): 893-902.
【5】CARON P, HENDERSON P J, KHAN T, et al. On the effects of heat treatments on the creep behaviour of a single crystal superalloy[J]. Scripta Metallurgica, 1986, 20(6): 875-880.
【6】MURAKUMO T, KOBAYASHI T, KOIZUMI Y, et al. Creep behavior of Ni-base single-crystal superalloys with various γ′ volume fraction[J].Acta Mater.2004, 52(12): 3737-3744.
【7】胡壮麒, 刘丽荣, 金涛, 等.镍基单晶高温合金的发展[J].航空发动机, 2005, 31(3): 1-7.
【8】刘丽荣, 金涛, 赵乃仁, 等.热处理对一种镍基单晶高温合金微观组织和持久性能的影响[J].稀有金属材料与工程, 2006, 35(5): 711-714.
【9】任英磊, 金涛, 管恒荣, 等.热处理制度对一种单晶镍基高温合金γ′相形貌演化的影响[J].机械工程材料, 2001, 25(4): 10-12.
【10】WILSON B C, HICKMAN J A, FUCHS G E. The effect of solution heat treatment on a single-crystal Ni-based superalloy[J].JOM, 2003(55): 35-40.
【11】胡光立, 谢希文. 钢的热处理(原理与工艺)[M]. 西安: 西北工业大学出版社, 2006: 3-5.
【12】LARSON F R, MILLER J. A time temperature relationship for rupture and creep stresses[J].Trans ASME, 1952, 51(36): 765-775.
【13】DUHL D N, CETEL A D. Advanced high strength single crystal superalloy compositions: US, 4719080[P].1988-01-12.
【2】NAKAGAWA Y. Aero-engine business and material technology in Japan[C]// Superalloys 2004.[S.l.]: TMS, 2006: 3-14.
【3】FUCHS G E. Solution heat treatment response of a third generation single crystal Ni-base superalloy[J].Mat Sci Eng A, 2001, 300(1): 52-60.
【4】REED R C, COX D C, RAE C M F. Kinetics of rafting in a single crystal superalloy: effects of residual microsegregation[J].Mater Sci Technol, 2007, 23(8): 893-902.
【5】CARON P, HENDERSON P J, KHAN T, et al. On the effects of heat treatments on the creep behaviour of a single crystal superalloy[J]. Scripta Metallurgica, 1986, 20(6): 875-880.
【6】MURAKUMO T, KOBAYASHI T, KOIZUMI Y, et al. Creep behavior of Ni-base single-crystal superalloys with various γ′ volume fraction[J].Acta Mater.2004, 52(12): 3737-3744.
【7】胡壮麒, 刘丽荣, 金涛, 等.镍基单晶高温合金的发展[J].航空发动机, 2005, 31(3): 1-7.
【8】刘丽荣, 金涛, 赵乃仁, 等.热处理对一种镍基单晶高温合金微观组织和持久性能的影响[J].稀有金属材料与工程, 2006, 35(5): 711-714.
【9】任英磊, 金涛, 管恒荣, 等.热处理制度对一种单晶镍基高温合金γ′相形貌演化的影响[J].机械工程材料, 2001, 25(4): 10-12.
【10】WILSON B C, HICKMAN J A, FUCHS G E. The effect of solution heat treatment on a single-crystal Ni-based superalloy[J].JOM, 2003(55): 35-40.
【11】胡光立, 谢希文. 钢的热处理(原理与工艺)[M]. 西安: 西北工业大学出版社, 2006: 3-5.
【12】LARSON F R, MILLER J. A time temperature relationship for rupture and creep stresses[J].Trans ASME, 1952, 51(36): 765-775.
【13】DUHL D N, CETEL A D. Advanced high strength single crystal superalloy compositions: US, 4719080[P].1988-01-12.
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