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THERMODYNAMIC PROPERTIES Cu-Ce-S AND Cu-Y-S LIQUID SOLUTIONS

LI Guodong , D U Ting , Central Iron and Steel Research Institute , Ministry of Metallurgical Industry , Beijing , China LI Guodong , Department No.16 , Central Iron and Steel Research Institute , Ministry of Metallurgical Industry , Beijing , 100081 , China

金属学报(英文版)

The thermodynamic properties of Cu-Ce-S and Cu-Y-S liquid solutions were studied by the chemical equilibrium technique at 1200℃. The equilibrium constants and the standard free energies of formation of CeS and YS were determined for the reactions: CeS=[Ce]+[S] and YS = [Y]+[S] . For the solution of ...

关键词: Cu-Ce-S system , null , null

Electronic Structure Effect on Model Cluster for L1_2 Structure of Al_3Ti Intermetallic Compound with an Addition of Alloying Elements Fe, Ni and Cu

Senying LIU , Rongze HU , Dongliang ZHAO and Chongyu WANG(Central Iron and Steel Research Institute , Beijing , 100081 , China)(To whom correspondence should be addressed)Ping LUO(National Research Cent or Certified Materials , Beijing , 100013 , China)Zhongjie P

材料科学技术(英文)

By use of self-consistent field Xα scattered-wave (SCF-Xα-SW) method, the electronic structure was calculated for four models of Ti4Al14X (X=Al, Fe, Ni and Cu) clusters. The Ti4Al14X cluster was developed based on L12 Al3Ti-base intermetallic compound. The results are presented using the density of ...

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Investigation on Cracking in the Surfacing Welding Layer of Ni_3Al Based Alloy

Guangwei HAN , Di FENG , and Wujun YE (Dept.5 , Central Iron and Steel Research Institute , Beijing , 100081 , China)(To whom correspondence should be addressed)

材料科学技术(英文)

Investigation has been made into the causes of cracking in the Surfacing welding layer of Ni3Al based alloy by analysing both the liqu id-to-solid transformation in the molten pool and the distribution of thermal stress within the surfacing welding layer. The results show that cracking in the surfac...

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Thermodynamics of Cu-Y-I (I= Sn, Zn, Pb) Liquid Solutions

Ting DU and Guodong LI(Central Iron and Steel Research Institute , Ministry of Metallurgical Industry , Beijing , 100081 , China)

材料科学技术(英文)

The isoactivity of [Y] of samples was obtained in multiple- hole graphite crucibles by controlling the oxygen potential through the reaction 2 [Y]+3CO = Y2O3+3C. The activity interaction coefficients between Y and Sn. Zn, Pb alloying elements were determined by using coniugate gradient method of sol...

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Effects of Temperature and Disperse Phase of Disordered γ on Strain Hardening Rate of Ni_3Al

Guangwei HAN , Di FENG and Wujun YE (Central Iron and Steel Research Institute , Beijing , 100081 , China)

材料科学技术(英文)

Investigations have been made on the effects of temperature and fine disperse phase of disordered γ on strain hardening rate of Ni3Al based alloy. The result is found that there exists a peak temperature for the strain hardening rate of Ni3Al based alloy below the peak temperature of its yield stren...

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