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 Posted: Fri 18:21, 07 Jan 2011 Post subject: ugg italia Alkali metals - aluminum alloy formatio |
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Alkali Metals - Thermodynamics of alloy formation enthalpy
, Once with the box serial number increases, the size factor is getting bigger, baking values 4 Shanghai Nonferrous Metals Taijin atlas 1t 2 aluminum atomic size factor in the system in order to increase the boats, the calculated results are well interpretation. Conclusion The use of Miedema's thermodynamic theory, a systematic study of the composition of aluminum and alkali metals in liquid binary Taijin systems and solid-state mixing enthalpy of formation enthalpy of Taiwan, the results show that, in addition to A-one Li system, the other four systems enthalpy value is positive, and the alkali metal group elements with atomic numbers increase, the value of its range of baking ingredients and enthalpy of the asymmetry was increased, and the enthalpy of the peak are biased in favor of aluminum side. Calculated results with available experimental results and first principles calculated results conform fairly well to that, Miedema | ~ A study of the aluminum and: alkali metal composition of the formation enthalpy of rhyme structure Taijin when the system is applicable , the predicted trend of the results is at least correct. Xiao l6 volume reference 1HafnerJPhysRev, 1977,[link widoczny dla zalogowanych], AIg (I) Issp a 8940ZhangBangweiandOuyangYifang. PhysRev, 1993, Bts (9). 3922 ~ 39293 ~ JoerFReta1. CohesfoninMetaIs. Ares. terdanl, North-Holland, 1988INiessenAKetalCALPHAD, 7 【1) I51 ~ 705YatsenkoSPets1. RussJPhysChem,[link widoczny dla zalogowanych], lg,, 48I14026MoserZeta1. ZMetallkde. 1988. 79l77SigliCands at mchezjM, ActaMeta1]. . 1986. 94 (6) I】 021 ~ 10288SommerF. JNon-trystSolids, 1990_117/118I shaft 5 ~ 5120YaoPNeta1. JElectrochemSoc, 1971,[link widoczny dla zalogowanych],11811 C3910GuoXqeta1. PhysRev. 1930. B42 (17) l10912 ~ 1C92311MSluiterct Ⅱ I. PhysRev, 1990, B12 【16) l10460 ~ 1G {7812NozatoRandNakalGTran3JapanInstMnale77, 18. 879TheThermodynamicCalculationofFormationEnthalpiesforAlkalineMetals-AtuminiumAlloysOuyangYifang, ZhangBangwei (HunanUniversity, Changsha410082) LiaoShuzhi (HumEducationalInstitute, Changsha410012) AbstractMiedema: theorywasappliedtostudysystematicallythemixingenthalpiesofliquidandtheformation ~ enthalpieoofsolidforbinaryalbys, whicharecomposedofAluminiumandAlkalinemetalsLi, Na, K, Rb, Cs. Thecalculated ~ resultsareingood, agreementwiththeexperimentaldataandtheresultsofthefirst-principlescalcuhtions, whichimpliesthatMiedematheoryi8suitabletostudytheformationenthalpiesoftheAluminiumandAlkaline-metalalloysystems. KeywordsBinaryalloys, Mixingenthalpy,[link widoczny dla zalogowanych], Formationenthalpy,[link widoczny dla zalogowanych], Miedematheory
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