SUPERALLOY

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Effects of low frequency electromagnetic casting on solidification macrostructure of GH4742superalloy
《China Foundry》2025年第2期195-204,共10页Liang Zhang Lei Wang Yang Liu Xiu Song Teng Yu Ran Duan 
financially supported by the Major Projects in Aviation Engines and Gas Turbines (Grant No.2019-VI-0020-0136);the National Key Research and Development Program of China (Grant Nos.2022YFB3705101&2022YFB3705102);the National Natural Science Foundation of China (Grant No.U1708253);the Fundamental Research Funds for the Central Universities,China (Grant No.N2302005)。
The low frequency electromagnetic casting(LFEC)was used to prevent hot cracking during the solidification process of GH4742 superalloy ingot.The effects of LFEC on the solidification macrostructure of the ingot were i...
关键词：low frequency electromagnetic casting SUPERALLOY SOLIDIFICATION hot cracking grain refinement 
Pronounced impact of size and shape effects on creep rupture life of a K439B superalloy combustion chamber casting simulator
《China Foundry》2025年第2期215-221,共7页Wen-tong Liu Yi-dong Wu Lei Gao Jing-yang Chen Cheng-bo Xiao Xi-dong Hui 
financially supported by the National Science and Technology Major Project of China (No.J2019-VI-0004-0117);a Laboratory Fund Project (6142903220101)。
The size and shape effect(SSE)of components has become a critical issue for mechanical properties,application reliability,and processing.In this study,the creep rupture life(CRL)of components with different wall thick...
关键词：K439B superalloy size and shape effects creep rupture life cooling rate γ'phase combustion chamber casing simulator 
Thermal damage suppression performances in ELID-assisted profile grinding of superalloys using CBN wheels
《Science China(Technological Sciences)》2025年第4期144-165,共22页Youkang YIN Jinyang XU Lanyu SHI Guoqiang GUO Xinfa ZHU Yi MENG Jinming ZHOU Weiwei MING Ming CHEN 
supported by the Shanghai“Explorer Program”Project(Grant No.24TS1414500);the 10th Sino-Hungarian Intergovernmental Scientific and Technological Cooperation Project(Grant No.2024-10-2)。
Nickel-based superalloy(GH4169)is an ideal material for preparing turbine blades.Profile grinding of the fir-treeshaped turbine blade root can easily cause thermal damage to the workpiece specimen.This study aims to e...
关键词：SUPERALLOY profile grinding ELID thermal damage suppression oxide film 
Creep-fatigue lifetime prediction of GH720Li superalloy considering effect of grain size
《Transactions of Nonferrous Metals Society of China》2025年第3期863-871,共9页Bin ZHANG Rong-qiao WANG Dian-yin HU Hong-bo LI Kang-he JIANG Jia-ming WEI Hong ZHANG 
financially supported by the National Natural Science Foundation of China(Nos.52306183,12272245,11832007,12172238);the Natural Science Foundation of Zhejiang Province,China(No.LQ23E050022);the Natural Science Foundation of Sichuan Province,China(Nos.2022NSFSC0324,2022JDJQ0011);the Open Project of Failure Mechanics and Engineering Disaster Prevention,Key Laboratory of Sichuan Province,China(No.FMEDP202305)。
In order to accurately evaluate the creep-fatigue lifetime of GH720Li superalloy,a lifetime prediction model was established,reflecting the interaction between creep damage and low-cycle fatigue damage.The creep-fatig...
关键词：CREEP-FATIGUE lifetime prediction GH720Li superalloy grain size damage accumulation 
Microstructural evolution of GH4742 superalloy during hot deformation and subsequent solvus treatment
《Journal of Iron and Steel Research International》2025年第3期812-832,共21页Wen-wen Zhang Xin-gang Liu Shuai-jie Wang Yu-jiao Ke Ying Guo He-yong Qin Qiang Tian 
supported by the National Science and Technology Major Project of China(2017-VI-0018-0090).
Isothermal compression tests were used to establish constitutive models of the hot deformation of GH4742 superalloy. The microstructural evolution of double cone samples with large strain gradients during hot deformat...
关键词：GH4742 superalloy Solvus heat treatment γ′precipitate Dynamic recrystallization Microstructural evolution 
Gradient nanostructure enabled exceptional fretting fatigue properties of Inconel 718 superalloy through submerged abrasive waterjet peening
《Chinese Journal of Aeronautics》2025年第1期586-606,共21页Shulei YAO Yuxin CHI Xianhao ZHU Kaiming ZHANG Tiwen LU Kaishang LI Ning WANG Chengcheng ZHANG Shuang LIU Xiancheng ZHANG Shantung TU 
financially supported by the National Key Research and Development Project,China(Nos.2018YFA0703300,2022YFB4600019);the National Natural Science Foundation of China(Nos.52275148,52405154);the Innovation Program Phase II of AECC Commercial Aircraft Engine Co.Ltd,China(No.HT-3RJC1053-2020);support by the Postdoctoral Fellowship Program of CPSF,China(No.GZB20240219);the Shanghai Sailing Program,China(No.24YF2708100).
Submerged Abrasive Waterjet Peening(SAWJP)shows great application potential in augmenting the fatigue properties of metallic parts.Thus,the present work aims to investigate the influence of SAWJP on the Surface Integr...
关键词：Submerged abrasive waterjet peening Inconel 718 superalloy Microstructural evolution Surface integrity Fretting fatigue 
Portevin-Le Chatelier(PLC)effect induced by different deformation mechanisms in Ni-25Mo-8Cr alloy during high-temperature tensile deformation
《Rare Metals》2025年第1期591-607,共17页Ming Yang Tao Luo Lei Lei Yun Jiang Pan-Zhi Wang Fa-Hong Xu 
supported by Guizhou Provincial Key Technology R&D Program(No.[2022]052).
Uniaxial tensile testing explored the Portevin-Le Chatelier(PLC)effect in nickel-based superalloys featuring high Mo/Cr mass ratios,focusing on the influence of variations in the initial microstructure on the deformat...
关键词：Ni-Mo-Cr superalloy Pt_(2)Mo precipitates PLC effect Deformation mechanism 
Correction to:Correlation between platinum–aluminide coating features and tensile behavior of nickel-based superalloy Rene^(®)80
《Rare Metals》2024年第12期6795-6796,共2页Mohammad Mehdi Barjesteh Seyed Mehdi Abbasi Karim Zangeneh Madar Kourosh Shirvani 
Correction to:Rare Met.https://doi.org/10.1007/s12598-019-01293-4 In the original publication,Fig.12 was published incorrectly.The correct version of Fig.12 is given in this correction.
关键词：SUPERALLOY COATING aluminide 
Effect of Ta content on high temperature oxidation and hot corrosion resistance of DZ411 superalloy
《Journal of Iron and Steel Research International》2024年第12期3109-3119,共11页Peng Peng Yi-fan Ma Zi-jie Liu Su-jun Lu Yuan-li Xu Xu-dong Zhang Zhi-kun Ma 
This study was funded by Key Science and Technology Projects of Gansu Province(Grant No.22ZD6GB019);the Gansu Key Research and Development Project(Grant No.23YFGA0003);Gansu Provincial Joint Research Fund(Grant No.23JRRC0004);the Fundamental Research Funds for the Central Universities(Grant No.lzujbky-2022-ey15);the fund of the State Key Laboratory of Solidification Processing in NPU(Grant No.SKLSP202204).
In order to elucidate the mechanism of the effect of Ta content on the high temperature behaviour of the alloys,the high temperature oxidation and thermal corrosion experiments were carried out on the three alloys wit...
关键词：Ni-based superalloy TANTALUM MICROSTRUCTURE Hot corrosion Thermal oxidation Directional solidification 
Interfacial Microstructures and Mechanical Properties of TiC Reinforced GH 3230 Superalloy Manufactured by Laser Metal Deposition
《Chinese Journal of Mechanical Engineering》2024年第6期43-58,共16页Yan Wang Neng Li Wei Liu Chonglin Jia Yu Wu Chao Gao Huaping Xiong 
Supported by Beijing Nova Program(Grant No.Z201100006820094);National Natural Science Foundation of China(Grant Nos.51775525,52175369,U2141205)。
GH 3230 superalloy is a solution strengthening nickel-based superalloy and it is commonly used for fabricating hot components with the service temperature of above 900℃.In order to further improve high-temperature pe...
关键词：Laser metal deposition GH 3230 superalloy TiC particles Mechanical properties Interfacial layer 
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