DIRECTIONAL_SOLIDIFICATION

作品数:306被引量:549H指数:9
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相关作者:傅恒志刘林郭景杰苏彦庆陈瑞润更多>>
相关机构:西北工业大学哈尔滨工业大学昆明理工大学中国科学院金属研究所更多>>
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Numerical simulation of microstructure and microporosity morphology in directional solidification of aluminum-copper alloys:Effect of copper content and withdrawal rate
《China Foundry》2025年第1期33-44,共12页Wei Yuan Hai-dong Zhao Xu Shen Chun Zou Yuan Liu Qing-yan Xu 
financially supported by the National Natural Science Foundation of China(Grant No.51875211);the Beijing Natural Science Foundation(Grant No.L223001)。
Microporosity formed in the solidification process of Al alloys is detrimental to the alloy properties.A two-dimensional cellular automaton(CA)model was developed to simulate the microstructure and microporosity forma...
关键词:MICROPOROSITY DENDRITES cellular automaton Al-Cu alloys directional solidification 
Dependence of microstructure and mechanical properties on solidification condition of directionally solidified Zn-55Al-1.6Si alloys
《China Foundry》2024年第6期685-692,共8页Ji-peng Li De-gao Qiao Jian Li Peng Peng Kai-di Hu Xian-tao Yan Shu-sen Cheng Yuan-li Xu 
funded by the Key Science and Technology Projects of Gansu Province(Grant No.22ZD6GB019);the Gansu Key Research and Development Project(Grant No.23YFGA0003);the 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 this study,directional solidification was utilized to explore the relationship between microstructure,mechanical properties,and withdrawal speeds of Zn-55Al-1.6Si alloys.In order to assess the characteristics of Zn...
关键词:Zn-55Al-1.6Si alloy directional solidification microstructure mechanical properties 
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 
Effect of TiB_(2) Nanoparticles on Microstructure and Mechanical Properties of Ni_(60)Cr_(21)Fe_(19) Alloy in Rapid Directional Solidification Process:Molecular Dynamics Study被引量:1
《Transactions of Nanjing University of Aeronautics and Astronautics》2024年第5期575-588,共14页WANG Jin JIANG Wugui HU Chenxi 
supported by the Na⁃tional Natural Science Foundation of China(Nos.12462006,12062016);the high-performance computing services of⁃fered by the Information Center of Nanchang Hangkong Uni⁃versity.
Molecular dynamics(MD)simulations are employed to delve into the multifaceted effects of TiB_(2) nanoparticles on the intricate grain refinement mechanism,microstructural evolution,and tensile performance of Inconel 7...
关键词:TiB_(2) nanoparticle rapid directional solidification microstructure evolution molecular dynamics 
Numerical simulation on directional solidification and heat treatment processes of turbine blades
《China Foundry》2024年第5期476-490,共15页Ye-yuan Hu Ju-huai Ma Qing-yan Xu 
supported by the Stable Support Project and the Major National Science and Technology Project(Grant No.2017-VII-0008-0101).
Study on turbine blades is crucial due to their critical role in ensuring the efficient and reliable operation of aircraft engines.Nickel-based single crystal superalloys are extensively used in the hot manufacturing ...
关键词:single crystal blades Ni-based superalloy directional solidification heat treatment numerical simulation 
Gradient Microstructure of K4169 Superalloy Prepared by Low Voltage Pulsed Magnetic Field Combined with Directional Solidification被引量:1
《稀有金属材料与工程》2024年第8期2152-2155,共4页Li Yingju Zhang Kuiliang Zhu Cheng Zheng Ce Feng Xiaohui Yang Yuansheng 
National Key Research and Development Program of China(2018YFA0702900);National Science and Technology Major Project(J2019-VII-0002-0142);National Natural Science Foundation of China(51831007)。
The influence of the low voltage pulsed magnetic field(LVPMF)on the microstructure transition of K4169 superalloy was investigated.The gradient microstructure of K4169 superalloy composed of columnar grains,coarse gra...
关键词:pulsed magnetic field gradient microstructure SUPERALLOY Lorentz force forced convection 
Solidification crack characteristics and sensitivity of peritectic steel
《Journal of Iron and Steel Research International》2024年第7期1668-1679,共12页Ya-qiang Li Jian-hua Liu Zi-ming Wang Ying-ying Li Yang He Xiao-wei Li 
financially supported by the Science and Technology Plan Foundation of Xingtai,China (Grant No.2022zz099);the Jiangsu Key Laboratory of Oil-Gas Storage and Transportation Technology (Grant No.CDYQCY202204);Science and Technology Project of Hebei Education Department (Grant No.ZD2021338).
The characteristics and sensitivity of solidification cracks in peritectic steels were investigated using directional solidifi-cation technology.Interdendritic cracks were observed in both hypoperitectic steels(12CrlM...
关键词:Peritectic steel-Directional solidification Growth velocity Dendritic structure Solidification crack Crack sensitivity 
Effects of cooling rate on microstructure and microhardness of directionally solidified Galvalume alloy
《China Foundry》2024年第3期213-220,共8页Ji-peng Li De-gao Qiao Jian Li Xiao-yang Luo Peng Peng Xian-tao Yan Xu-dong Zhang 
supported by the Key Science and Technology Projects of Gansu Province(Grant No.22ZD6GB019);Gansu Key Research and Development Project(Grant No.23YFGA0003);Gansu Provincial Joint Research Fund(Grant No.23JRRC0004);Fundamental Research Funds for the Central Universities(Grant No.lzujbky-2022-ey15);the State Key Laboratory of Solidification Processing in NPU(Grant No.SKLSP202204).
The influences of cooling rate on the phase constitution,microstructural length scale,and microhardness of directionally solidified Galvalume(Zn-55Al-1.6Si)alloy were investigated by directional solidification experim...
关键词:Galvalume alloy directional solidification microstructure length scale MICROHARDNESS 
Tungsten separation behavior on preparation of high-purity cerium by combined vacuum gravity sedimentation-directional solidification
《Journal of Rare Earths》2024年第6期1182-1186,I0007,共6页Dongwei Zhang Wenli Lu Minglei Xu Dehong Chen Xiaowei Zhang Chuang Yu Wensheng Yang Ruifeng Dong Zhiqiang Wang Liguo Han Zengdong Pang 
Project supported by the National Key Research and Development Program of China(2022YFC2905203);the NationalScience and Technology Major Project of China(J2019-VI-0023-0140)。
In light of the difficult removal of harmful impurity tungsten(W)in Ce metal,in this paper a combined vacuum gravity sedimentation-directional solidification method was innovatively designed and the W separation behav...
关键词:CERIUM Electron beam melting Directional solidification Gravity sedimentation Rare earths 
Effect of Magnetic Field Configuration on Stray-Crystal Formation with Different Platform Sizes during Directional Solidification of Single-Crystal Superalloy
《Acta Metallurgica Sinica(English Letters)》2024年第5期904-914,共11页Keke Lu Congjiang Zhang Xiaotan Yuan Hongbin Yu Weili Ren Biao Ding Haibiao Lu Yunbo Zhong Zuosheng Lei Hui Wang Qiuliang Wang Peter KLiaw Xuezhi Qin Lanzhang Zhou 
supported by the National Natural Science Foundation of China(No.52373319);by the Independent Research and Development Project of State Key Laboratory of Advanced Special Steel,Shanghai Key Laboratory of Advanced Ferrometallurgy,Shanghai University(SKLASS 2022-Z03).
The magnetic field is an effective means to control the solidification structure and the defects of metal and semiconductor crystals.This work investigates the effects of Cusp magnetic field(CMF)and longitudinal magne...
关键词:Stray-crystal Magnetic field Single-crystal superalloy Cross section change Directional solidification 
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