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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......
Drag Effects of Solute and Second Phase Distributions on the Grain Growth Kinetics of Pre-Extruded Mg-6Zn AlloyZhaoyang Jin,Donghua Yu,Xintong Wu,Kai Yin,Kai YanCollege of Mechanical Engineering... with solute and second phase distribution were investigated.Isothermal annealing was conducted on a Gleeble-1500 thermo-mechanical simulator.The mean grain size Dg of each annealed specimen......
Impurity Segregation at TGO/Bondcoat Interfaces and Its Effect on TGO Adherence () 摘要:Impurity segregation at the interfaces between thermally grown aluminum oxide and a few coatings deposited... to the interface chemistry, particular its sulfur level. Results show strong relationship between sulfur segregation and the alloy substrate composition. This relationship is discussed in terms of the effects......
Model Calculation of ln γi0 for Solute Elements in Copper-base Alloy Systems王福明,李文超,张宁欣,韩其勇摘 要:１．Ｉｎｔｒｏｄｕｃｔｉｏｎγｉ０ｒｅｐｒｅｓｅｎｔｓｔｈｅａｃｔｉｖｉｔｙｃｏｅｆｉｃｉｅｎｔｏｆｓｏｌｕｔｅｉａｔｉｎｆｉｎｉｔｅｄｉｌｕｔｉｏｎｗｈｅｎｐｕｒｅｓｕｂｓｔａｎｃｅｉｓｔａｋｅｎａｓｒｅｆｅｒｅｎｃｅｓｔａｔｅｉｎｓｏｌｕｔｉｏ...关键词:......
低倍观察时呈现灰黑色. 关键词:钛合金；偏析行为；热处理；显微组织 中图分类号:TG146.2+3 文献标志码:A Segregation behavior and prevention measures of beta... to study the segregation behavior of the β titanium alloy which possesses high molybdenum content. The results show that, the black spots in the ingot and rolling bar from 1/2 radius to the central regions......
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Effect of Casting Modulus on Microstructure and Segregation in K441 Superalloy CastingWeiguo Jiang, Jiasheng Dong, Li Wang and Langhong Lou Institute of Metal Research, Chinese Academy of Sciences... process. The microstructure has been observed by optical microscopy (OM) and scanning electron microscopy (SEM). The micro-segregation was tested by energy dispersive spectroscopy (EDS) and the macro......
Segregation of Phosphorus and Precipitation of MNP-Type Phosphide at the Grain Boundary of IN706 SuperalloySha Zhang1,2,Linjie Huang1,Anwen Zhang1,Lianxu Yu1,Xin Xin1,Wenru Sun1,Xiaofeng Sun11...">The effect of phosphorus content and heat treatment on the segregation of phosphorus and precipitation of phosphide at the grain boundary of IN706 alloy has been investigated. The phosphide had......
Segregation behaviors of Sc and unique primary Al3Sc in Al-Sc alloys prepared by molten salt electrolysisXuan Liu,Jilai Xue,Zhichao Guo,Cheng ZhangSchool of Metallurgical and Ecological Engineering... alloys prepared by molten salt electrolysis. The alloys contain 0.23–1.38 wt%Sc where Sc segregation is observed. It is found that a high current density and long electrolysis time are in favor of high......
Effect of Solute Contents of Al-Ni-Sr Alloy on Glass Forming Ability and Thermal Stability H J Kim1,J C Bae1,Taek Soo Kim1,J K Lee1 (1.Advanced Materials R&D Center,Korea Institute of Industrial Technology,994-32 Dongchun-dong,Yeonsu-ku,Incheon 406-130,Korea) Abstract:Glass forming ability (GFA) and structural characterization of a new amorphous Al-Ni-Sr alloy melt spun were investigated......
