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| Ce-O, Ce-S AND Ce-S-O EQUILIBRIA IN LIQUID Ni |
| by WANG Longmei; DU Ting (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing) (Manuscript received 10 February; 1986; revised manuscript 11 August; 1986) |
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Cite this article:
by WANG Longmei; DU Ting (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing) (Manuscript received 10 February; 1986; revised manuscript 11 August; 1986). Ce-O, Ce-S AND Ce-S-O EQUILIBRIA IN LIQUID Ni. Acta Metall Sin, 1987, 23(6): 553-559.
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Abstract Reaction constants of the formation of Ce_2O_3, CeS and Ce_2O_2S in liquid Ni at 1500 to 1600℃ have been determined, then the standard Gibbs energies (J·mol) were obtained: △G°_(Ce_2O_3)=-116240+315.8 T △G°_(Ces)=-570280+220.1 T △G°_(Ce_2O_2S)=-984850+238.5 T The reaction coefficients e_O~(Ce) and e_S~(Ce) have also be determined: e_O~(Ce)=-333451/T+149.7 e_S~(Ce)=-276228/T+146.0 The equilibrium phase diagram of a_o-a_s for Ni-Ce-S-O system at 1600℃ was also given.
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Received: 18 June 1987
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