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pengjun75金蟲 (小有名氣)
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【求助】求與CuO相關(guān)的相圖 已有3人參與
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| 最近做與CuO相關(guān)的課題,但沒有見到與CuO相關(guān)的相圖,不知各位有沒有相關(guān)的相圖,如有請發(fā)到我的郵箱,pengjun75@163.com,謝謝! |
至尊木蟲 (著名寫手)
金蟲 (小有名氣)
金蟲 (小有名氣)
這里有相圖http://www.asminternational.org/ ... wAPD.aspx?id=100125![]() APD phase label Formula Prototype Pearson symbol Density, Mg/m3 Cell parameters Ref Published phase label Space group Volume, nm3 nm ° Phases shown in this diagram: (Cu) (Cu) Cu Cu cF4 Fm-3m 8.93 0.04725 a=0.36152 b=0.36152 c=0.36152 α=90 β=90 γ=90 [3] Cu2O Cu2O Cu2O Cu2O cP6 Pn-3m 4.8 0.0991 a=0.4627 b=0.4627 c=0.4627 α=90 β=90 γ=90 [4] CuO rt CuO CuO CuO mS8 C12/c1 6.52 0.08108 a=0.46837 b=0.34226 c=0.51288 α=90 β=99.54 γ=90 [5] T=293 K Reaction data selected for the complete system Reaction %A %B %C Temperature, °C Reaction type Ref L1 = (Cu) + Cu2O 1.7 0 33.3 1066 Eutectic [2] L = L1 + L2 21.5 1345 Critical [2] L2 = L1 + Cu2O 31 10 33.3 1223 Monotectic [2] L2 = Cu2O 33.3 1230 Congruent [2] L2 = Cu2O + CuO rt 39 33.3 50 1061 Eutectic [2] L = CuO rt 20 1230 Congruent [2] Pure metal melting points and allotropic transformations Element phase Common name Reaction Temperature, °C Prototype Pearson symbol Space group (Cu) Cu L ↔ (Cu) 1084.87 Cu cF4 Fm-3m ([O2]) lt1 γO L ↔ ([O2]) lt1 -218.789 t.p. [O2] cP64 Pm-3n ([O2]) βO ([O2]) lt1 ↔ ([O2]) -229.349 [O2] hR6 R-3m ([O2]) lt3 αO ([O2]) ↔ ([O2]) lt3 -249.283 [O2] mS4 C12/m1 References [1] Schramm L., Behr G., Löser W., and Wetzig K., Thermodynamic Reassessment of the Cu-O Phase Diagram, J. Phase Equilib. Diffus., Vol. 26, 2005, p 605-612 [2] Okamoto H., Phase Diagrams for Binary Alloys, Desk Handbook, Vol. 1, 2000 [3] Ellner M., Kolatschek K., and Predel B., On the partial atomic volume and the partial molar enthalpy of aluminium in some phases with Cu and Cu3Au structures, J. Less-Common Met., Vol. 170, 1991, p 171-184 [4] Restori R., and Schwarzenbach D., Charge Density in Cuprite, Cu2O, Acta Crystallogr. B, Vol. 42, 1986, p 201-208 [5] Åsbrink S., and Norrby L.J., A Refinement of the Crystal Structure of Copper(II) Oxide with a Discussion of Some Exceptional E.s.d.'s, Acta Crystallogr. B, Vol. 26, 1970, p 8-15 |
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