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Model prediction of the effect of in-mold electromagnetic stirring on negative segregation under bloom surfaceYu-kun Huo1,2,Li-hua Zhao1,2,Hang-hang An1,3,Min Wang1,Chang-dong Zou41. State Key...="ChDivSummary">Aiming at the problem of negative segregation under a bloom surface, a coupling macrosegregation model considering electromagnetic field, flow, heat, and solute transport was established......
Segregation of P at Grain Boundary and Reverse Embrittlement of Cr-Mn-Si Steel朱勋,李立丹,王士本,王聚才摘 要:<正> 1.IntroductionPhosphorus causes remarkable decreaseof impact toughness due to its segregationon grain boundary[1,2].In this paper,theinfluence of P content on the reverse changeof P segregation and impact toughness ofmedium carbon Cr-Mn-Si steel......
Atom Probe Tomography Study of Fe Segregation at Phase Interface in Zr–2.5Nb AlloyXue Liang1,2,Qiang Li1,2,Jiao Huang3,Mei-Yi Yao1,2,Hui Li1,2,Qing-Dong Liu41. Institute of Materials,Shanghai... Jiaotong University摘 要:β-Nb is a typical second phase in Zr–Nb-based alloys used as fuel claddings in water-cooled nuclear reactors. The segregation of alloying......
fluctuation brought around the dendritic crystal growth in the thin films. Below 705℃, the Bi2212 single-phase cannot be achieved in the thin films. Key words:Bi2212 (Bi2Sr2Cax-1CuxOy) single-phase; dendritic growth; substrate temperature; [全文内容正在添加中] ......
Dynamic process of trace boron non-equilibrium grain boundary segregation and the effect of cooling ratePing Wu, Xinlai He, Bing Cao, and Sen Chen Material Science and Engineering School, University.... Beijing, Beijing 100083, China摘 要:<正> The dynamic process of non-equilibrium grain boundary segregation of trace boron in Fe-40%Ni alloy during cooling......
First-principles Investigation of Bi Segregation at the Solder Interface of Cu/Cu3Sn(010)X.Y.Pang 1),Z.Q.Liu 1),S.Q.Wang 1) and J.K.Shang 1,2) 1) Shenyang National Laboratory for Materials Science...="ChDivSummary" name="ChDivSummary">Density functional theory was employed to investigate the bismuth segregation at Cu/Cu3Sn(010) interface.Five initial constructions were introduced by adopting......
Determination of Effective Segregation Coefficient of Oxygen in Terbium During Floating Zone Refining 刘永林1,李国栋1 (1.Department of Physics, Inner Mongolia University,) Abstract:The effective segregation coefficient Ke of oxygen in terbium metal was deduced from a comparison of the theoretical curves with the concentration distributions found experimentally after a floating zone refining......
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Investigation of Solidification and Segregation Characteristics of Cast Ni-Base Superalloy K417GLi Gong,Bo Chen,Zhanhui Du,Mengshu Zhang,Ruichang Liu,Kui LiuInstitute of Metal Research, Chinese... to investigate solidification characteristics of K417 G Ni-base superalloy. Electron probe microanalysis(EPMA) was employed to analyze the segregation characteristics. Liquidus,solidus and the formation......