DIFFUSION

作品数:1650被引量:2593H指数:16
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相关领域:理学更多>>
相关作者:梁宇学轩福贞涂善东何立子崔建忠更多>>
相关机构:浙江大学首都师范大学北京大学中国科学院更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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Inhibiting primary carbide in steel by diffusion:A perspective of phase-field study
《Journal of Materials Science & Technology》2024年第35期50-54,共5页Tongzhao Gong Weiye Hao Weiqi Fan Yun Chen Xing-Qiu Chen Dianzhong Li 
supported by the National Sci-ence and Technology Major Project(No.J2019-VI-0019-0134);the National Natural Science Foundation of China(No.52203301);the China Postdoctoral Science Foundation(No.2021TQ0335);the Strategic Priority Research Program of the Chinese Academy of Sci-ences(No.XDC04040202).
This study provides a potentially viable approach to manipulate the precipitation of primary carbides in molten steel by modifying the diffusion coefficient of carbon.The solidification process of a Fe-C alloy is simu...
关键词:Fe-C alloy SOLIDIFICATION Primary carbide Solute segregation Phase-field method 
Hydrogen trapping and diffusion in polycrystalline nickel:The spectrum of grain boundary segregation
《Journal of Materials Science & Technology》2024年第6期225-236,共12页Yu Ding Haiyang Yu Meichao Lin Michael Ortiz Senbo Xiao Jianying He Zhiliang Zhang 
financially supported by the Research Council of Norway under the M-HEAT project(No.294689);the HyLINE Project(No.294739);All simulation resources are provided by the Norwegian Metacenter for Computational Science(Nos.NN9110K and NN9391K).
Hydrogen as an interstitial solute at grain boundaries(GBs)can have a catastrophic impact on the mechanical properties of many metals.Despite the global research effort,the underlying hydrogen-GB interactions in polyc...
关键词:Hydrogen embrittlement Grain boundaries Impurity segregation POLYCRYSTAL Atomistic simulations 
Introducingωand O'nanodomains in Ti-6Al-4V:The mechanism of acceleratingα→βtransformation kinetics via electropulsing被引量:1
《Journal of Materials Science & Technology》2023年第31期109-117,共9页Yachong Zhou Xiaofeng Xu Yang Zhao Xudong Yan Lai Wei Zhicheng Wu Chao Wu 
Financial support from the National Key Research and Development Program of China(Nos.2020YFB008300,2020YFB008303,and 2020YFB008304);Provincial Natural Science Foundation of Shandong(No.ZR202102220408);National Natural Science Foundation of China(No.51701080);Talent Development Excellent Young Talents Fund Project China(No.20190103053JH).
Conventional kinetics theory for diffusion-controlled phase transformation shows that the reverse transition should lag behind the temperature rise through rapid heating,i.e.,overheating is required.In this work,we fo...
关键词:Titanium alloy Phase transformation kinetics ELECTROPULSING Nanodomain DIFFUSION 
Ultra-fast amorphization of crystalline alloys by ultrasonic vibrations被引量:3
《Journal of Materials Science & Technology》2023年第11期76-88,共13页Luyao Li Guo-Jian Lyu Hongzhen Li Caitao Fan Wenxin Wen Hongji Lin Bo Huang Sajad Sohrabi Shuai Ren Xiong Liang Yun-Jiang Wang Jiang Ma Weihua Wang 
financially supported by the Key Basic and Applied Research Program of Guangdong Province,China(No.2019B030302010);the National Natural Science Foundation of China(Nos.52122105,51971150,51871157);the National Key Research and Development Program of China(No.2018YFA0703605);the financial support from the National Natural Science Foundation of China(No.12072344);the Youth Innovation Promotion Association of the Chinese Academy of Sciences;supported by the Beijing Electron Positron Collider(BEPC)project(No.2020-BEPC-PT-004661).
The amorphization of alloys is of both broad scientific interests and engineering significance.Despite considered as an efficient strategy to regulate and even achieve record-breaking properties of metallic materials,...
关键词:Amorphization Ultrasonic vibration Lattice instability Elemental diffusion 
Effect of Nb doping on microstructure and magnetic properties of hot-deformed Nd-Fe-B magnets with Nd-Cu eutectic diffusion被引量:4
《Journal of Materials Science & Technology》2022年第27期121-127,共7页Tingting Song Xin Li Xu Tang Wenzong Yin Yang Luo Dunbo Yu Wenlong Yan Jinyun Ju Renjie Chen Aru Yan 
supported by the Major Project of“Science and Technology Innovation 2025 in Ningbo City(Nos.2020Z064,2019B10093);the Basic research expenses for provincial universities of Zhejiang Ocean University(No.2019J00036);the Talent introduction research fund of Zhejiang Ocean University(Nos.xjrcyj201801,11045091021)。
To restrict grain growth in coarse grain regions caused by the diffusion of Nd-Cu eutectic alloys,the Nb element was introduced into the precursor alloy to regulate the microstructure of melt-spun powder and die-upset...
关键词:ND-FE-B Hot deformation DIFFUSION Nb-doping COERCIVITY 
Formation mechanism of partial stacking faults by incompletemixed-mode phase transformation: A case study of Fe-Ga alloys
《Journal of Materials Science & Technology》2022年第22期59-64,共6页Tianzi Yang Tianyu Ma Feng Liu Xiaobing Ren 
This work was supported by the National Natural Science Foundation of China(Nos.51871174 and 51831006);the State Key Laboratory of Solidification Processing in NPU(No.SKLSP202003).
Partial stacking faults(PSFs) formed by incomplete mixed-mode phase transformation have been found to exhibit unfixed slip distance of closely-packed planes unlike those of the deformation-induced stacking faults(SFs)...
关键词:Stacking faults Mixed-mode phase transformation DIFFUSION Lattice distortion Fe-Ga alloy 
Ultrahard BCC-AlCoCrFeNi bulk nanocrystalline high-entropy alloy formed by nanoscale diffusion-induced phase transition被引量:3
《Journal of Materials Science & Technology》2022年第20期29-39,共11页Junjie Wang Zongde Kou Shu Fu Shangshu Wu Sinan Liu Mengyang Yan Zhiqiang Ren Di Wang Zesheng You Si Lan Horst Hahn Xun-Li Wang Tao Feng 
the Equipment Advance Research field Fund(Nos.80922010401);the National Key R&D Program of China(Nos.2021YFB3802800);the Guangdong-Hong Kong-Macao Joint Laboratory for Neutron Scat-tering Science and Technology,the Fundamental Research Funds for the Central Universities(Nos.30919011404 and 30919011107);the National Natural Science Foundation of China(Nos.51871120 and 51571119);the Natural Science Foundation of Jiangsu Province(No.BK20200019);the support from the Qing Lan project and the distinguished professor project of Jiangsu province;the support by Shenzhen Science and Technology Innovation Committee(No.JCYJ20170413140446951);the Research Grants Council of Hong Kong(No.City U 11215917)。
In the current work,the BCC-AlCoCrFeNi bulk nanocrystalline high-entropy alloy(nc-HEA)with ultrahigh hardness was formed by nanoscale diffusion-induced phase transition in a nanocomposite.First,a dual-phase Al/CoCrFeN...
关键词:High-entropy alloy NANOCRYSTALLINE Composites Diffusion-induced phase transition Mechanical Inert gas condensation 
Illumination interface stability of aging-diffusion-modulated high performance InZnO/DyO_(x) transistors and exploration in digital circuits被引量:1
《Journal of Materials Science & Technology》2021年第28期143-154,共12页Bing Yang Gang He Qian Gao Wenhao Wang Yongchun Zhang Yufeng Xia Xiaofen Xu Leini Wang Miao Zhang 
supported financially by the National Natural Science Foundation of China(No.11774001);the open fund for Discipline Construction,Institute of Physical Science and Information Technology,Anhui University(No.S01003101);the Doctoral Research Funding of Anhui University and the Provincial Natural Science Research Program of Higher Education Institutions of Anhui Province(No.KJ2018A0026);the Natural Science Research Project of Colleges and Universities in Anhui Province(No.KJ2018ZD060);the Outstanding Young Talents Support Program in Colleges and Universities(No.gxyq2020108)。
In current study,the rare-reported solution-driven DyO_(x)films have been prepared to act as the dielectric layer of high performance InZnO/DyO_(x)thin film transistors(TFTs).Annealing temperature dependent thermal de...
关键词:Dysprosium oxide(DyO_(x)) Thin film transistors(TFTs) Aging-diffusion Inverter Illumination bias stability 
An effective approach for bonding of TZM and Nb-Zr system:Microstructure evolution,mechanical properties,and bonding mechanism被引量:3
《Journal of Materials Science & Technology》2021年第25期16-26,共11页Z.W.Yang J.M.Lin J.F.Zhang Q.W.Qiu Y.Wang D.P.Wang J.Song 
financially supported by the National Natural Science Foundation of China(No.51875400);the Natural Sciences and Engineering Research Council of Canada(NSERC)Discovery grant(RGPIN-2017-05187);the China Scholarship Council(CSC)。
A novel method of liquid metallic film(LMF)bonding was developed to join titanium zirconium molybdenum alloy(TZM)and Nb-Zr alloy with a Ni interlayer.Using this method,a Ni-Zr liquid phase was formed by the eutectic r...
关键词:BONDING Titanium zirconium molybdenum alloy(TZM) DIFFUSION Microstructure Mechanical properties 
Modeling of gas porosity and microstructure formation during dendritic and eutectic solidification of ternary Al-Si-Mg alloys被引量:8
《Journal of Materials Science & Technology》2021年第17期76-85,共10页Mengdan Hu Taotao Wang Hui Fang Mingfang Zhu 
the National Natural Science Foundation of China(No.51371051);Jiangsu Key Laboratory of Advanced Metallic Materials(No.BM2007204)。
A two-dimensional(2-D)multi-component and multi-phase cellular automaton(CA)model coupled with the Calphad method and finite difference method(FDM)is proposed to simulate the gas pore formation and microstructures in ...
关键词:POROSITY Solidification microstructures Ternary Al-Si based alloys DIFFUSION Cellular automaton 
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