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  • Author: Guo-Qiang Li x
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Abstract

C40H30N8O7MnCl2, monoclinic, C2/c (no. 15), a = 13.0864(7) Å, b = 25.6216(9) Å, c = 12.2253(7) Å, β = 112.027(6)°, V = 3799.9(3) Å3, Z = 4, R gt(F) = 0.0413, wR ref(F 2) = 0.1001, T = 293(2) K.

Abstract

C10H24Cl2N4NiO8, orthorhombic, Cmc21 (no. 36), a = 9.657(2) Å, b = 14.916(4) Å, c = 24.599(8) Å, V = 3543.3 Å3, Z = 8, Rgt(F) = 0.0351, wRref(F2) = 0.0899, T = 293 K.

Abstract

C46H32Cu2N8O12, monoclinic, P21/c, a = 9.5638(9)Å, b = 20.2142(19) Å, c = 12.0825(11) Å, β = 94.696(1)°, V = 2328.0(4) Å3, Z = 2, R gt(F) = 0.0273, wR ref(F 2) = 0.0711, T = 100 K.

Abstract

C36H26N2O4Zn, monoclinic, C2/c (no. 15), a = 43.237(10) Å, b = 17.201(4) Å, c = 11.271(2) Å, β = 103.009(5)°, V = 8168(3) Å3, Z = 12, R gt(F) = 0.0442, wR ref(F 2) = 0.1530, T = 100(2) K.

Abstract

C22H30N2O4S2, monoclinic, P21/c, a = 13.6316(5) Å, b = 5.7462(2) Å, c = 14.1562(5) Å, β = 91.758(4)°, V = 1108.33(7) Å3, Z = 2, R gt (F) = 0.0464, wR ref (F 2 ) = 0.1249, T = 293 K.

Abstract

C72H52N4O8Ni2, monolinic, C2/c (no. 15), a = 43.017(19) Å, b = 17.091(8) Å, c = 11.301(5) Å, β = 103.053(8)°, V = 8094(6) Å3, Z = 6, R gt(F) = 0.0575, wR ref(F 2) = 0.1263, T = 296(2) K.

Abstract

C28H22N2O4Zn, tetragonal, P41212 (no. 92), a = 10.986(5) Å, b = 10.986(5) Å, c = 18.187(8) Å, V = 2195(2) Å3, Z = 4, R gt (F) = 0.0440, wR ref (F 2 ) = 0.0942, T = 293 K.

Abstract

The superplastic tensile behaviors of Ti-6Al-4V (TC4) titanium alloy were tested at temperature ranges from 850 ℃ to 950 ℃ and tensile velocities in the range of 0.3–6.0 mm/min. The microstructures of the specimen under various deformation parameters were evaluated by scanning electron microscope (SEM) and transmission electron micrograph (TEM). The results indicate that the maximum tensile force decreases with the increase of temperature and the decrease of tensile velocity. The optimum tensile elongation of 1120.5 % is attained at 900 ℃ and 0.6 mm/min. α and β phase grain sizes increase with the increase of temperature and the decrease of tensile velocity. β phase volume fraction plays an important role in superplasticity, and the best elongation is attained under the condition of ~7.0 µm α phase and ~4.0 µm β phase and β phase volume fraction is about 31 %. High deformation velocity leads to finer grains and results in larger tensile force.

Abstract

C36H26N2O4Co, monolinic, C2/c (no. 15), a = 43.230(14) Å, b = 17.100(6) Å, c = 11.275(4) Å, β = 103.112(4)°, V = 8118(5) Å3, Z = 12, R gt(F) = 0.0370, wR ref(F 2) = 0.0931, T = 100(2) K.

Abstract

C28H22N2NiO4, tetragonal, P41212 (no. 92), a = 10.989(4) Å, c = 18.470(2) Å, V = 2230.4(16) Å3, Z = 4, R gt(F) = 0.0571, wR ref(F 2) = 0.1382, T = 293(2) K.