NI-BASE_SUPERALLOY

作品数：59被引量：129H指数：6
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Effects of Boron Addition on the Microstructure and Mechanical Properties ofγ′‑Strengthened Directionally Solidified CoNi‑Base Superalloy
《Acta Metallurgica Sinica(English Letters)》2024年第8期1438-1452,共15页Shasha Qu Yingju Li Bingyu Lu Cuiping Wang Yuansheng Yang 
supported by the National Natural Science Foundation of China(No.51831007).
The effects of B addition on microstructure and mechanical properties of aγ′-strengthened CoNi-base superalloy are investigated.The addition of B leads to a substantial increase in the volume fraction of both the eu...
关键词：CoNi-base superalloy Borides Grain boundary Microstructure Mechanical properties 
Dual-System Activation of Ni-Base Superalloy under High Strain and High Temperature
《Open Journal of Applied Sciences》2023年第12期2320-2328,共9页Alexandru Lopazan Alberto W. Mello 
Due to their superior combination of heat resistance, high temperature corrosion resistance, toughness and strength, nickel-based superalloys have become of extensive use in the aerospace industry. This research aims ...
关键词：Metal Fatigue Ni-Based Superalloys Cube Slip Microstructure High Temperature 
Effect of carbon addition on microstructure and mechanical properties of a typical hard-to-deform Ni-base superalloy被引量：5
《Progress in Natural Science:Materials International》2023年第2期232-243,共12页Lei Jia Heng Cui Shufeng Yang Shaomin Lv Xingfei Xie Jinglong Qu 
The authors gratefully acknowledge financial support from the National Science and Technology Major Project(J2019-VI-0006-0120);the National Key R&D Program of China(2021YFB3700402);the National Natural Science Foundation of China(Grant No.52074092,52274330).
In this paper,the as-cast microstructure,microsegregation,and mechanical properties of GH4151 superalloys with a carbon addition were studied by scanner electron microscopy(SEM),transmission electron microscope(TEM),e...
关键词：GH4151 superalloys Carbon Microstructure and microsegregation Mechanical properties 
Effect of grain boundary precipitates on the stress rupture properties of K4750 alloy after long-term aging at 750℃for 8000 h被引量：2
《Journal of Materials Science & Technology》2021年第33期11-20,共10页Meiqiong Ou Yingche Ma Kunlei Hou Min Wang Guangcai Ma Kui Liu 
supported by the National Natural Science Foundation of China under Grant No.52001314;the Natural Science Foundation of Liaoning Province of China under Grant No.2020BS-008;the China Postdoctoral Science Foundation under Grant No.2020M671403。
In K4750 alloy,the evolution of grain boundary(GB)precipitates,including the degradation of blocky MC carbide particles and the precipitation of granular/needle-likeηphase particles,were observed after longterm aging...
关键词：Ni-base superalloy Long-term aging MC carbide ηphase Stress rupture properties Residual strain distribution 
Effects of microstructure evolution on the deformation mechanisms and tensile properties of a new Ni-base superalloy during aging at 800℃被引量：5
《Journal of Materials Science & Technology》2021年第9期40-52,共13页Kunlei Hou Min Wang Meiqiong Ou Haoze Li Xianchao Hao Yingche Ma Kui Liu 
Tensile properties at room temperature of a new casting Ni-base superalloy during aging at 800℃ for0-1000 h were investigated.During aging,granular M23C6 carbides presented at grain boundaries and kept growing from d...
关键词：Ni-base superalloy AGING γ’size Yield strength Deformation mechanism Fracture behavior 
Optimization of the heat treatment of additively manufactured Ni-base superalloy IN718被引量：5
《International Journal of Minerals,Metallurgy and Materials》2020年第5期640-648,共9页Benedikt Diepold Nora Vorlaufer Steffen Neumeier Thomas Gartner Mathias Goken 
Additive manufacturing(AM) of Ni-base superalloy components can lead to a significant reduction of weight in aerospace applications. AM of IN718 by selective laser melting results in a very fine dendritic microstructu...
关键词：Ni-base superalloy selective laser melting strengthening mechanism powder bed fusion MICROSTRUCTURE 
Microstructure and tensile properties of DD32 single crystal Ni-base superalloy repaired by laser metal forming被引量：11
《Journal of Materials Science & Technology》2020年第10期23-34,共12页Shiwei Ci Jingjing Liang Jinguo Li Yizhou Zhou Xiaofeng Sun 
the National Key R&D Program of China(No.2018YFB1106600),the National Key R&D Program of China(Nos.2017YFA0700703 and 2018YFB1106000);the National Natural Science Foundation of China(NSFC)(Nos.51771190,51671189,U1508213);the National High Technology Research and Development Program(“863”)(No.2014AA041701);the Fund of the State Key Laboratory of Solidification Processing in NWPU(No.SKLSP201834)。
In this work,the microstructure and tensile properties of DD32 single-crystal(SC)superalloy repaired by laser metal forming(LMF)using pulsed laser have been studied in detail.The microstructures of the deposited sampl...
关键词：DD32 PULSED-LASER Repairing Single-crystal superalloy MICROSTRUCTURES Tensile property 
Influence of long-term isothermal aging on microstructure and creep rupture properties of Ni-base superalloy M4706被引量：3
《Journal of Central South University》2020年第2期325-333,共9页DUAN Yu-hao ZHANG Peng LI Jiao LI Bo SONG Xiao-long GONG Xiu-fang YANG Gong-xian 
Project(2018BSHQYXMZZ32)supported by the Postdoctoral Science Foundation of Shaanxi Province of China;Project(20192109)supported by the State Key Laboratory for Mechanical Behavior of Materials,China;Projects(2017M623213,2018M633487)supported by the Postdoctoral Science Foundation of China
After a standard heat treatment,the microstructural evolution with time during isothermal aging at 850°C and its effect on the creep rupture properties of the Ni-base superalloy M4706 at 870°C and 370 MPa are invest...
关键词：Ni-base superalloy isothermal aging MICROSTRUCTURE creep rupture properties 
On the γ' precipitates of the normal and inverse Portevin-Le Chatelier effect in a wrought Ni-base superalloy被引量：5
《Journal of Materials Science & Technology》2019年第1期84-87,共4页Xinguang Wang Guoming Han Chuanyong Cui Shuai Guan Jinguo Li Guichen Hou Yizhou Zhou Xiaofeng Sun 
financially supported by the National Natural Science Foundation of China(Nos.51601192,51671188,51671189and 11332010);the High Technology Research and Development Program of China(No.2014AA041701)
The Portevin-Le Chatelier(PLC) effects in a wrought Ni-base superalloy with different γ' precipitates contents have been investigated. Detailed analysis on the serration type of the tensile curves indicates that the ...
关键词：NORMAL and INVERSE PLC effec γ’ PRECIPITATES Dynamic STRAIN aging Critical STRAIN WROUGHT Ni-base superalloy 
Hot deformation characteristics and hot working window of as-cast large-tonnage GH3535 superalloy ingot被引量：3
《Journal of Materials Science & Technology》2018年第12期2439-2446,共8页Yao Wang Junsong Wang Jiasheng Dong Aimin Li Zhijun Li Guang Xie Langhong Lou 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDA02004210)
Deformation characteristics and range of optimized hot working parameters of a 6.5 tons GH3535 superalloy ingot with an average columnar grain size of over 1 mm in diameter were investigated. Axial compression experim...
关键词：Ni-base superalloy Dynamic recrystallization Hot working Large-tonnage ingot Processing map 
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