Acta Metall Sin  1992, Vol. 28 Issue (9): 11-16    DOI:

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EFFECT OF Nb ON STRENGTHENING OF Fe-BASE SUPERALLOY AT MEDIUM HIGH TEMPERATURE

CHEN Guosheng; WU Bohua; ZHOU Lecheng; LI Yuqing (Research Institute of Daye Steel Works; Huangshi)

CHEN Guosheng; WU Bohua; ZHOU Lecheng; LI Yuqing (Research Institute of Daye Steel Works; Huangshi). EFFECT OF Nb ON STRENGTHENING OF Fe-BASE SUPERALLOY AT MEDIUM HIGH TEMPERATURE. Acta Metall Sin, 1992, 28(9): 11-16.

Abstract References Related Articles Recommended Metrics Download:  PDF(999KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Because Nb accelerates the uniform distribution of MC phase and the grain refinement, as well as, increases the amount and stability of γ'-phase, the tensile strength, ductility, stress rupture life and fatigue limit of an Fe-30Ni-13Cr-1.2W-1.5Mo-2.5Ti-0.4Al superalloy at 650℃ may be improved with increase of Nb content up to 1.22wt-%. The precipitation of small Laves phase dispersed along grain boundaries may be favourable to combined properties of the superalloy containing 1.22 wt-% Nb. And it will be worsened only that the precipitation of Laves phase is too more and Nb content is overmuch. Key words:  Nb      Fe-base superalloy      strengthening      Received:  18 September 1992      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1992/V28/I9/11 1 吴云书等,现代工程合金,北京:国防工业出版社,1983:175-178 2 #12 3 北京钢铁学院高温合金教研室,GH132合金,北京:国防工业出版社,1980:79-806 [1] WANG Lei, LIU Mengya, LIU Yang, SONG Xiu, MENG Fanqiang. Research Progress on Surface Impact Strengthening Mechanisms and Application of Nickel-Based Superalloys[J]. 金属学报, 2023, 59(9): 1173-1189. [2] LIU Xingjun, WEI Zhenbang, LU Yong, HAN Jiajia, SHI Rongpei, WANG Cuiping. Progress on the Diffusion Kinetics of Novel Co-based and Nb-Si-based Superalloys[J]. 金属学报, 2023, 59(8): 969-985. [3] LI Fulin, FU Rui, BAI Yunrui, MENG Lingchao, TAN Haibing, ZHONG Yan, TIAN Wei, DU Jinhui, TIAN Zhiling. Effects of Initial Grain Size and Strengthening Phase on Thermal Deformation and Recrystallization Behavior of GH4096 Superalloy[J]. 金属学报, 2023, 59(7): 855-870. [4] LIU Junpeng, CHEN Hao, ZHANG Chi, YANG Zhigang, ZHANG Yong, DAI Lanhong. Progress of Cryogenic Deformation and Strengthening-Toughening Mechanisms of High-Entropy Alloys[J]. 金属学报, 2023, 59(6): 727-743. [5] FENG Aihan, CHEN Qiang, WANG Jian, WANG Hao, QU Shoujiang, CHEN Daolun. Thermal Stability of Microstructures in Low-Density Ti2AlNb-Based Alloy Hot Rolled Plate[J]. 金属学报, 2023, 59(6): 777-786. [6] WAN Tao, CHENG Zhao, LU Lei. Effect of Component Proportion on Mechanical Behaviors of Laminated Nanotwinned Cu[J]. 金属学报, 2023, 59(4): 567-576. [7] ZHU Yunpeng, QIN Jiayu, WANG Jinhui, MA Hongbin, JIN Peipeng, LI Peijie. Microstructure and Properties of AZ61 Ultra-Fine Grained Magnesium Alloy Prepared by Mechanical Milling and Powder Metallurgy Processing[J]. 金属学报, 2023, 59(2): 257-266. [8] JIANG Jiang, HAO Shijie, JIANG Daqiang, GUO Fangmin, REN Yang, CUI Lishan. Quasi-Linear Superelasticity Deformation in an In Situ NiTi-Nb Composite[J]. 金属学报, 2023, 59(11): 1419-1427. [9] HAN Linzhi, MU Juan, ZHOU Yongkang, ZHU Zhengwang, ZHANG Haifeng. Effect of Heat Treatment Temperature on Microstructure and Mechanical Properties of Ti0.5Zr1.5NbTa0.5Sn0.2 High-Entropy Alloy[J]. 金属学报, 2022, 58(9): 1159-1168. [10] CHEN Jilin, FENG Guanghong, MA Honglei, YANG Dong, LIU Wei. Microstructure, Mechanical Properties, and Strengthening Mechanism of Cr-Mo Microalloy Cold Heading Steel[J]. 金属学报, 2022, 58(9): 1189-1198. [11] LIANG Chen, WANG Xiaojuan, WANG Haipeng. Formation Mechanism of B2 Phase and Micro-Mechanical Property of Rapidly Solidified Ti-Al-Nb Alloy[J]. 金属学报, 2022, 58(9): 1169-1178. [12] GAO Chuan, DENG Yunlai, WANG Fengquan, GUO Xiaobin. Effect of Creep Aging on Mechanical Properties of Under-Aged 7075 Aluminum Alloy[J]. 金属学报, 2022, 58(6): 746-759. [13] XU Liujie, ZONG Le, LUO Chunyang, JIAO Zhaolin, WEI Shizhong. Toughening Pathways and Regulatory Mechanisms of Refractory High-Entropy Alloys[J]. 金属学报, 2022, 58(3): 257-271. [14] LI Yamin, ZHANG Yaoyao, ZHAO Wang, ZHOU Shengrui, LIU Hongjun. First-Principles Study on the Effect of Cu on Nb Segregation in Inconel 718 Alloy[J]. 金属学报, 2022, 58(2): 241-249. [15] FAN Genlian, GUO Zhiqi, TAN Zhanqiu, LI Zhiqiang. Architecture Design Strategies and Strengthening-Toughening Mechanisms of Metal Matrix Composites[J]. 金属学报, 2022, 58(11): 1416-1426. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed