BICRYSTALS

作品数：14被引量：15H指数：2
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相关领域：一般工业技术金属学及工艺理学更多>>
相关作者：徐敏郑磊孟晔梁剑雄杨武强更多>>
相关机构：北京科技大学钢铁研究总院更多>>
相关期刊：《Acta Mechanica Sinica》《Transactions of Nonferrous Metals Society of China》《Journal of Materials Science & Technology》《Journal of Magnesium and Alloys》更多>>
相关基金：国家自然科学基金霍英东教育基金上海市教育委员会重点学科基金国家重点基础研究发展计划更多>>
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Transition from grain boundary migration to grain boundary sliding in magnesium bicrystals
《Acta Mechanica Sinica》2024年第8期17-31,共15页Zheyuan Xing Haidong Fan Chuanlong Xu Guozheng Kang 
supported by the National Natural Science Foundation of China(Grant Nos.12192210,12192214,and 12072211)。
In polycrystalline magnesium(Mg)and Mg alloys,as the grain size decreases,the grain boundary(GB)mediated plasticity including GB sliding and GB migration becomes the dominant deformation mechanism.In this study,the mo...
关键词：Molecular dynamics simulations MAGNESIUM Grain boundary migration Grain boundary sliding TEMPERATURE 
Corrigendum to “High-temperature fatigue strength of grain boundaries with different misorientations in nickel-based superalloy bicrystals” [Journal of Materials Science & Technology, 154 (2023) 94–106]
《Journal of Materials Science & Technology》2024年第10期264-264,共1页D.F.Shi Z.J.Zhang Y.H.Yang Y.Z.Zhou R.Liu P.Zhang Z.F.Zhang 
National Science and Technology Major Project(2017-VI-0003-0073);Youth Innovation Promotion Association CAS under grant No.2021192;National Natural Science Foundation of China(NSFC)under grant Nos.52130002 and 51901230;IMR Innovation Fund(2023-ZD01);Liaoning"Unveiling and Commanding"Science and Technology plan(2022-37);KC Wong Education Foundation(GJTD-2020-09).
The authors regret to inform that the whole“Acknowledgements”section is missing due to the composing process of the editing.The“Acknowledgements”information that should be added is as follows.
关键词：SUPERALLOY fatigue GRAIN 
High temperature deformation and recrystallization behavior of magnesium bicrystals with 90°<1010>and 90°<1120>tilt grain boundaries
《Journal of Magnesium and Alloys》2024年第2期625-638,共14页Kevin Bissa Talal Al-Samman Dmitri A.Molodov 
the Deutsche Forschungsgemeinschaft(DFG)for financial support(MO 848/18-2)。
The deformation mechanisms and dynamic recrystallization(DRX)behavior of specifically grown bicrystals with a symmetric 90°<1010>and 90°<1120>tilt grain boundary,respectively,were investigated under deformation in p...
关键词：Elevated deformation temperatures Plain strain compression Magnesium bicrystals Panorama EBSD Dynamic Recrystallization 
High-temperature fatigue strength of grain boundaries with different misorientations in nickel-based superalloy bicrystals被引量：2
《Journal of Materials Science & Technology》2023年第23期94-106,共13页D.F.Shi Z.J.Zhang Y.H.Yang Y.Z.Zhou R.Liu P.Zhang Z.F.Zhang 
Nickel-based single-crystal superalloys are widely used in the manufacture of aeroengine turbine vanes for their excellent high-temperature performance. Low-angle grain boundaries (LAGBs) will be generated inevitably ...
关键词：SUPERALLOYS BICRYSTALS Grain boundary misorientation Fatigue strength Fatigue crack 
Deformation behaviour of magnesium bicrystals with symmetrical 90°<1120>tilt grain boundaries analysed by large area EBSD mapping
《Journal of Magnesium and Alloys》2023年第5期1556-1566,共11页Kevin Bissa Talal Al-Samman Dmitri A.Molodov 
The authors express their gratitude to the Deutsche Forschungsgemeinschaft(DFG)for financial support(MO 848/18-2)。
Grain boundaries play a significant role in the deformation of polycrystals.Their response to deformation is however not completely understood,particularly with respect to how they accommodate lattice rotation of adjo...
关键词：Panorama EBSD Plain strain compression Lattice rotation Magnesium bicrystal Anomalous twins 
Deformation behaviors of Cu bicrystals with an inclined twin boundary at multiple scales被引量：6
《Journal of Materials Science & Technology》2017年第7期698-702,共5页L.L.Li Z.J.Zhang P.Zhang J.Tan J.B.Yang Z.F.Zhang 
supported by the National Natural Science Foundation of China (NSFC) under grant Nos. 51171194, 51501197, 51571198, 51471170;the IMR SYNL-T.S. Kê Research Fellowship
Cu bicrystals of different sizes with a sole twin boundary（TB） inclined at 45？with respect to the loading direction were deformed under unidirectional and cyclic loading, respectively. It is found that the slip ba...
关键词：Bicrystal Micropillar Twin boundary Schmid factors Size effect 
Rapid growth of angle-confined large-domain graphene bicrystals
《Nano Research》2017年第4期1189-1199,共11页Huaying Ren Huan Wang Li Lin Miao Tang Shuli Zhao Bing Deng Manish Kumar Priydarshi Jincan Zhang Hailin Peng Zhongfan Liu 
Acknowledgements We acknowledge financial support from the National Natural Science Foundation of China （Nos. 21173004, 51520105003, 51432002, 21222303 and 51362029） and the National Basic Research Program of China （Nos. 2014CB932500, 2013CB932603, 2012CB933404, 2011CB933003, and 2011CB921904）, the National Program for Support of Top-Notch Young Professionals, and Beijing Municipal Science ＆ Technology Commission （No. Z161100002116002）.
In the chemical vapor deposition growth of large-area graphene polycrystalline thin films, the coalescence of randomly oriented graphene domains results in a high density of uncertain grain boundaries （GBs）. The str...
关键词：GRAPHENE BICRYSTAL chemical vapor deposition surface engineering grain boundary heating device 
Non-equilibrium grain-boundary segregation of Bi in Cu bicrystals被引量：4
《Transactions of Nonferrous Metals Society of China》2014年第12期4038-4043,共6页杨武强 徐敏 梁剑雄 孟晔 郑磊 
Project(51001011)supported by the National Natural Science Foundation of China;Project(141043)supported by the Fok Ying-Tong Education Foundation,China;Project(FRF-TP-12-042A)supported by the Fundamental Research Funds for the Central Universities,China
The observations of grain-boundary segregation of Bi in Cu bicrystals were analyzed. According to equilibrium grain boundary segregation （EGS） model and non-equilibrium grain-boundary segregation （NGS） model, resp...
关键词：BISMUTH copper SEGREGATION grain boundary diffusion 
The largest negative refractive angles in uniaxial bicrystals
《Journal of Shanghai University(English Edition)》2007年第4期374-379,共6页汤小蓉 王燕 余岢 
supported by the National Natural Science Foundation of China （Grant Nos.60407007, 60377025） the Science Foundation of Shanghai Municipal Commission of Education （Grant No.A03Q23）, and the Shanghai Leading Academic Discipline Project （Grant No.T0104）
Using the Maxwell＇s equations, we carry out theoretical analysis on the maximum incident and refractive angles at which negative refraction can be realized at the interfaces associated with conventional uniaxial medi...
关键词：uniaxial media BICRYSTALS negative refraction the maximum incident angle homogeneity-junction heterogeneity-junction. 
STRESS DISTRIBUTION NEAR GRAIN BOUNDARY IN ANISOTROPIC BICRYSTALS AND TRICRYSTALS被引量：1
《Applied Mathematics and Mechanics(English Edition)》2004年第1期39-46,共8页万建松 岳珠峰 
theNationalNaturalScienceFoundationofChina (50 0 0 50 1 6) ;theChineseAviationResearchFoundation
The rate dependent crystallographic finite element program was implemented in ABAQUS as a UMAT for the analysis of the stress distributions near grain boundary in anisotropic bicrystals and tricrystals, taking the dif...
关键词：BICRYSTAL tricrystal stress field rate dependent crystallographic finite element slip system 
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