Microstructural Stability and Stress Rupture Property of a 6Re/3Ru Containing Nickel-based Single Crystal Superalloy

doi:10.11901/1005.3093.2022.524

Chinese Journal of Materials Research

2023, Vol. 37

Issue (10): 721-730 DOI: 10.11901/1005.3093.2022.524

ARTICLES

Current Issue | Archive | Adv Search

Microstructural Stability and Stress Rupture Property of a 6Re/3Ru Containing Nickel-based Single Crystal Superalloy

CHEN Ruizhi¹, LIU Lirong¹(

), GUO Shengdong¹, ZHANG Mai², LU Guangxian², LI Yuan², ZHAO Yunsong², ZHANG Jian²

^1.School of Material Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
^2.Science and Technology on Advanced High Temperature Structural Material Laboratory, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China

Cite this article:

CHEN Ruizhi, LIU Lirong, GUO Shengdong, ZHANG Mai, LU Guangxian, LI Yuan, ZHAO Yunsong, ZHANG Jian. Microstructural Stability and Stress Rupture Property of a 6Re/3Ru Containing Nickel-based Single Crystal Superalloy. Chinese Journal of Materials Research, 2023, 37(10): 721-730.

Download:

HTML

PDF(14364KB)
Export: BibTeX | EndNote (RIS)

Abstract

The microstructural evolution during long-term aging at 1000℃ and 1130℃ and the stress rupture property at 1100℃/140 MPa of a fourth-generation nickel-based single crystal superalloy with 6Re/3Ru were investigated. The microstructure and dislocation configuration of the alloy were observed by field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM) in terms of its microstructural stability and stress rupture property. The results showed that the alloy displayed excellent microstructural stability. During long-term aging at 1000℃, γ′ phase grew up gradually, but γ′ phase still remained high cubic degree, however, the TCP phases did not precipitate after aging for 1000 h. After aging at 1130℃ for 500 h, the γ′ phase connected each other and became rafting ed. The TCP phase started to precipitate after long-term aging at 1130℃ for 200 h, however, the content of TCP phase was only 0.04% after aging for 1000 h in the alloy. After aging at 1130℃ for 500 h, dislocation networks formed at γ/γ′ interfaces which became more regular and denser with the increase of aging time. The stress rupture life of the alloy at 1100℃/140 MPa was 676.5 h, which reached the level of the fourth-generation nickel-based single crystal superalloy. The γ′ phase underwent N-type rafting, the needle-like TCP phase (μ phase) precipitated, and dislocation pile-up was found near TCP phase after fracture. During stress rupture test, the formation of γ/γ′ interfacial dislocation networks and a<010> super-dislocations in the alloy was beneficial to the stress rupture property.

Key words: metallic materials 4^th generation nickel-based single crystal superalloy long-term aging stress rupture property interfacial dislocation networks TCP phase

Received: 29 September 2022

ZTFLH:

TG132.3

Fund: National Natural Science Foundation of China(52001297);Natural Science Foundation of Liaoning Province(2020-MS-212)

Corresponding Authors: LIU Lirong, Tel: 18642002619, E-mail: lrliu@sut.edu.cn

	Service

	E-mail this article
	Add to citation manager
	E-mail Alert
	RSS
	（）
	Articles by authors
	CHEN Ruizhi
	LIU Lirong
	GUO Shengdong
	ZHANG Mai
	LU Guangxian
	LI Yuan
	ZHAO Yunsong
	ZHANG Jian

URL:

https://www.cjmr.org/EN/10.11901/1005.3093.2022.524 OR https://www.cjmr.org/EN/Y2023/V37/I10/721

Fig. 1 Schematic diagram of stress rupture specimen (a) and observed regions of fractured specimens (b)

Fig.2 SEM morphology (a), TEM morphology and selectron diffraction (b) of the alloy after fully heat treatment

Fig.3 Microstructure of γ′ phase after long-term aging at 1000℃ (a~e) and 1130℃ (f~j) for different time

Fig.4 Average size (a)、volume fraction (b) and coarsening rate(c) of γ' phase after long-term aging at 1000℃ and 1130℃ for different time

Fig.5 Precipitation of TCP phase after long-term aging at 1000℃ and 1130℃ for different times (a) 1000℃/1000 h; (b) 1130℃/200 h; (c) 1130℃/500 h; (d) 1130℃/1000 h

Table 1 Compositions of TCP phase after long-term aging at 1130℃ for different time by SEM-EDS (mass fraction,%)

Fig.6 Dislocation networks at γ/γ′ interface (a)~(c) and statistics of dislocation spacing (d)~(f) after long-term aging at 1130℃ for different times (a) 200 h; (b) 500 h; (c) 1000 h

Fig.7 γ/γ′ morphology (a~c) and TCP phase (d~f) of different regions in fractured specimens (a) (d) region A; (b) (e) region B; (c) (f) region C

Fig.8 Morphology of TCP phase in fractured specimens (a) and selected area electron diffraction pattern (b)

Table 2 Composition of μ phase in fractured specimen measured by SEM-EDS (mass fraction,%)

Fig.9 Dislocation configuration of the alloy after fracture at 1100℃/140 MPa

1	Chen J Y, Feng Q, Sun Z Q. Topologically close-packed phase promotion in a Ru-containing single crystal superalloy [J]. Scr. Metall., 2010, 63 (8): 795
2	Chang J X, Wang D, Dong J S, et al. Effect of rhenium addition on isothermal oxidation behavior of a nickel-base single crystal superalloy [J]. Chin. J. Mater. Res., 2017, 31(09): 695
	常剑秀, 王栋, 董加胜等. 铼对镍基单晶高温合金恒温氧化行为的影响 [J]. 材料研究学报, 2017, 31(09): 695
3	Liu X X, Huang T W, Zhang J C, et al. Influence of thermal exposure on microstructure and stress rupture property of a Re-containing Ni-based single crystal superalloy [J]. Intermetallics, 2021(136): 107237
4	Zhang Y B, Liu L, Huang T W, et al. Incipient melting and solution heat treatment of a boron-bearing third generation single crystal nickel base superalloy [J]. Rare Metal Mater. and Eng., 2017, 46(10): 3105
	张琰斌, 刘林, 黄太文等. 一种含硼第三代镍基单晶高温合金的初熔及固溶处理 [J]. 稀有金属材料与工程, 2017, 46(10): 3105
5	Ding Q Q, Li S Z, Chen L Q, et al. Re segregation at interfacial dislocation network in a nickel-based superalloy [J]. Acta Mater., 2018, 154: 137 doi: 10.1016/j.actamat.2018.05.025
6	Liang S, Liu Z X, Liu L R. Effect of Ru on creep properties of a high tungsten containing Ni-based single crystal superalloy [J]. Chin. J. Mater. Res., 2021, 35(09): 694
	梁爽, 刘智鑫, 刘丽荣等. Ru对一种高W镍基单晶合金蠕变性能的影响 [J]. 材料研究学报, 2021, 35(09): 694
7	Zhao G Q, Tian S G, Shu D L, et al. Influence of Ru on creep behavior and concentration distribution of Re-containing Ni-based single crystal superalloy at high temperature [J]. Mater. Res. Express, 2020, 7(6): 066507
8	O'hara K S, Walston W S, Ross E W, et al. Nickel base superalloy and article: US 5482789 [P]. 1996-01-09
9	Hobbs R A, Zhang L, Rae C M F, et al. Mechanisms of topologically close-packed phase suppression in an experimental ruthenium-bearing single-crystal nickel-base superalloy at 1100℃[J]. Metall Mater Trans A, 2008, 39 (5): 1014 doi: 10.1007/s11661-008-9490-9
10	Tan X P, Liu J L, Jin T, et al. Effect of Ru additions on very high temperature creep properties of a single crystal Ni-based superalloy [J]. Mater. Sci. Eng. A, 2013, 580(10): 21 doi: 10.1016/j.msea.2013.05.028
11	Sun J X, Liu J L, Li J G, et al. Microstructural degradation after thermal exposure of a Re-containing single crystal superalloy [J]. Mater. Charact., 2021, 178: 111279 doi: 10.1016/j.matchar.2021.111279
12	Shi Z X, Liu S Z, Li J R. Microstructure stability of a nickel based single crystal superalloy [J]. Mater. Mech. Eng., 2013, 37(11): 5
	史振学, 刘世忠, 李嘉荣. 一种镍基单晶高温合金的组织稳定性 [J]. 机械工程材料, 2013, 37(11): 5
13	Chen J Y, Hu P P, Feng Q, et al. Effects of Ru on microstructural evolution during thermal exposure and stress-rupture property of Ni-based single crystal superalloys [J]. Rare Metal Mater. and Eng., 2011, 40(12): 6
	陈晶阳, 胡聘聘, 冯强等. Ru对镍基单晶热暴露组织演变及持久性能的影响 [J]. 稀有金属材料与工程, 2011, 40(12): 6
14	Shu D L. Creep behaviors and effecting factors of Re/Ru containing nickel-based single crystal superalloys [D]. Shenyang: Shenyang University of Technology, 2018
	舒德龙. 含Re/Ru镍基单晶合金的蠕变行为及影响因素 [D]. 沈阳: 沈阳工业大学, 2018
15	Yang X X, Cui X, Yuan H. Correlations between microstructure evolution and mechanical behavior of a nickel-based single crystal superalloy with long-term aging effects [J]. Mater. Charact., 2020, 169(1-2): 110652 doi: 10.1016/j.matchar.2020.110652
16	Lifshitz I M, Slyozov V. The kinetics of precipitation from supersaturated solid solutions [J]. J. Phys. Chem. Sol., 1961, 19(1): 35 doi: 10.1016/0022-3697(61)90054-3
17	Song W, Wang X G, Li J G, et al. Role of Ru on the microstructural evolution during long-term aging of Ni-Based single crystal superalloys [J]. Acta Metall. Sin-Engl., 2020, 33(12): 101
18	Sato A, Harada H, Yokokawa T, et al. The effects of ruthenium on the phase stability of fourth generation Ni-base single crystal superalloys [J], Scr. Metall. 2006, 54: 1679
19	Lv P S, Liu L R, Zhao G Q, et al. Creep properties and relevant deformation mechanisms of two low-cost nickel-based single crystal superalloys at elevated temperatures [J]. Mater. Sci. Eng. A, 2022, 851: 143561 doi: 10.1016/j.msea.2022.143561
20	Long H B, Wei H, Liu Y N, et al. Effect of lattice misfit on the evolution of the dislocation structure in Ni-based single crystal superalloys during thermal exposure [J]. Acta Mater., 2016, 120: 95 doi: 10.1016/j.actamat.2016.08.035
21	Zhang J X, Murakumo T, Koizumi Y, et al. Slip geometry of dislocations related to cutting of the γ′ phase in a new generation single-crystal superalloy [J]. Acta Mater., 2003, 51(17): 5073 doi: 10.1016/S1359-6454(03)00355-0
22	Xia W S, Zhao X B, Yue L, et al. Inconsistent creep between dendrite core and interdendritic region under different degrees of elemental inhomogeneity in nickel-based single crystal superalloys [J]. J. Mater. Sci. Technol., 2021(92): 88
23	Zhang J X, Murakumo T, Koizumi Y, et al. Strengthening by γ/γ′ interfacial dislocation networks in TMS-162-Toward a fifth-generation single-crystal superalloy [J]. Metall. Mater. Trans. A, 2004, 35(6): 1911 doi: 10.1007/s11661-004-0100-1
24	Pan J S, Tong J M, Tian M B. Fundamentals of materials science [M]. Beijing: Tsinghua University Press, 1998: 550
	潘金生, 仝健民, 田民波. 材料科学基础 [M]. 北京: 清华大学出版社, 1998: 550
25	Liu J L, Jin T, Yu J J, et al. Effect of thermal exposure on stress rupture properties of a Re bearing Ni base single crystal superalloy [J]. Mater. Sci. Eng. A, 2010, 527(4-5): 890 doi: 10.1016/j.msea.2009.10.001
26	Sun J X, Liu J L, Chen C, et al. Effect of Ru on γ/γ' microstructural evolutions and precipitation of TCP phases during thermal exposure at 1100℃ in a single crystal superalloy [J]. Mater. Charact., 2022, 186: 111794 doi: 10.1016/j.matchar.2022.111794
27	Huang Y S, Wang X G, Cui C Y. Effect of thermal exposure on the microstructure and creep properties of a fourth-generation Ni-based single crystal superalloy [J]. J. Mater. Sci. Technol., 2021, 69(10): 180 doi: 10.1016/j.jmst.2020.07.008
28	Cheng K Y, Jo C Y, Jin T, al et . Effect of Re on the precipitation behavior of μ phase in several single crystal superalloys [J]. J. Alloys Compd., 2012, 536: 7 doi: 10.1016/j.jallcom.2012.04.093
29	Lv P S, Gao Q, Li C J, et al. Effect of stress on precipitated phases in DD5 single crystal superalloy during stress rupture tests [J]. Acta Aeronaut. Astronaut. Sin., 2021, 42(6): 638
	吕培森, 高强, 李常金等. 应力对DD5单晶高温合金持久过程中析出相的影响 [J]. 航空学报, 2021, 42(6): 638
30	Xu J H, Li L F, Liu X G, et al. Thermal-stress coupling effect on microstructure evolution of a fourth-generation nickel-based single-crystal superalloy at 1100℃ [J]. Acta Metall. Sin., 2021, 57(2): 205
	徐静辉, 李龙飞, 刘心刚等. 热力耦合对一种第四代镍基单晶高温合金1100℃蠕变组织演变的影响 [J]. 金属学报, 2021, 57(2): 205
31	Wang X G, Liu J L, Jin T. Creep deformation related to dislocations cutting the γ′ phase of a Ni-base single crystal superalloy [J]. Mater. Sci. Eng. A, 2015, 626: 406 doi: 10.1016/j.msea.2014.12.060
32	Tan Z H, Wang X G, Du Y L, et al. Microstructural stability and creep performance of a novel low-cost single crystal superalloy [J]. Met. Mater. Int., 2022, 28: 1599 doi: 10.1007/s12540-021-01040-4

[1]	MAO Jianjun, FU Tong, PAN Hucheng, TENG Changqing, ZHANG Wei, XIE Dongsheng, WU Lu. Kr Ions Irradiation Damage Behavior of AlNbMoZrB Refractory High-entropy Alloy[J]. 材料研究学报, 2023, 37(9): 641-648.
[2]	SONG Lifang, YAN Jiahao, ZHANG Diankang, XUE Cheng, XIA Huiyun, NIU Yanhui. Carbon Dioxide Adsorption Capacity of Alkali-metal Cation Dopped MIL125[J]. 材料研究学报, 2023, 37(9): 649-654.
[3]	ZHAO Zhengxiang, LIAO Luhai, XU Fanghong, ZHANG Wei, LI Jingyuan. Hot Deformation Behavior and Microstructue Evolution of Super Austenitic Stainless Steel 24Cr-22Ni-7Mo-0.4N[J]. 材料研究学报, 2023, 37(9): 655-667.
[4]	SHAO Hongmei, CUI Yong, XU Wendi, ZHANG Wei, SHEN Xiaoyi, ZHAI Yuchun. Template-free Hydrothermal Preparation and Adsorption Capacity of Hollow Spherical AlOOH[J]. 材料研究学报, 2023, 37(9): 675-684.
[5]	XING Dingqin, TU Jian, LUO Sen, ZHOU Zhiming. Effect of Different C Contents on Microstructure and Properties of VCoNi Medium-entropy Alloys[J]. 材料研究学报, 2023, 37(9): 685-696.
[6]	OUYANG Kangxin, ZHOU Da, YANG Yufan, ZHANG Lei. Microstructure and Tensile Properties of Mg-Y-Er-Ni Alloy with Long Period Stacking Ordered Phases[J]. 材料研究学报, 2023, 37(9): 697-705.
[7]	XU Lijun, ZHENG Ce, FENG Xiaohui, HUANG Qiuyan, LI Yingju, YANG Yuansheng. Effects of Directional Recrystallization on Microstructure and Superelastic Property of Hot-rolled Cu71Al18Mn11 Alloy[J]. 材料研究学报, 2023, 37(8): 571-580.
[8]	XIONG Shiqi, LIU Enze, TAN Zheng, NING Likui, TONG Jian, ZHENG Zhi, LI Haiying. Effect of Solution Heat Treatment on Microstructure of DZ125L Superalloy with Low Segregation[J]. 材料研究学报, 2023, 37(8): 603-613.
[9]	LIU Jihao, CHI Hongxiao, WU Huibin, MA Dangshen, ZHOU Jian, XU Huixia. Heat Treatment Related Microstructure Evolution and Low Hardness Issue of Spray Forming M3 High Speed Steel[J]. 材料研究学报, 2023, 37(8): 625-632.
[10]	YOU Baodong, ZHU Mingwei, YANG Pengju, HE Jie. Research Progress in Preparation of Porous Metal Materials by Alloy Phase Separation[J]. 材料研究学报, 2023, 37(8): 561-570.
[11]	REN Fuyan, OUYANG Erming. Photocatalytic Degradation of Tetracycline Hydrochloride by g-C₃N₄ Modified Bi₂O₃[J]. 材料研究学报, 2023, 37(8): 633-640.
[12]	WANG Hao, CUI Junjun, ZHAO Mingjiu. Recrystallization and Grain Growth Behavior for Strip and Foil of Ni-based Superalloy GH3536[J]. 材料研究学报, 2023, 37(7): 535-542.
[13]	LIU Mingzhu, FAN Rao, ZHANG Xiaoyu, MA Zeyuan, LIANG Chengyang, CAO Ying, GENG Shitong, LI Ling. Effect of Photoanode Film Thickness of SnO₂ as Scattering Layer on the Photovoltaic Performance of Quantum Dot Dye-sensitized Solar Cells[J]. 材料研究学报, 2023, 37(7): 554-560.
[14]	QIN Heyong, LI Zhentuan, ZHAO Guangpu, ZHANG Wenyun, ZHANG Xiaomin. Effect of Solution Temperature on Mechanical Properties and γ' Phase of GH4742 Superalloy[J]. 材料研究学报, 2023, 37(7): 502-510.
[15]	GUO Fei, ZHENG Chengwu, WANG Pei, LI Dianzhong. Effect of Rare Earth Elements on Austenite-Ferrite Phase Transformation Kinetics of Low Carbon Steels[J]. 材料研究学报, 2023, 37(7): 495-501.

No Suggested Reading articles found!

Viewed

Full text

Abstract

Cited

Shared

Discussed