Preface |
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ix | |
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1 | (46) |
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1.1 High-plasticity magnesium alloys and their processing technologies |
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1 | (2) |
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3 | (2) |
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5 | (2) |
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7 | (16) |
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10 | (1) |
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11 | (1) |
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12 | (1) |
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1.4.4 Processing technologies of high plastic magnesium alloys |
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13 | (3) |
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1.4.5 Influence factors to the plasticity of magnesium alloys |
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16 | (7) |
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23 | (9) |
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1.5.1 Deformation mechanisms of magnesium alloys |
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24 | (7) |
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1.5.2 Characterization of plastic deformation of magnesium alloys |
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31 | (1) |
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32 | (2) |
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34 | (2) |
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1.7.1 Static tensile test |
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35 | (1) |
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1.7.2 Evaluation of anisotropy |
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36 | (1) |
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1.8 Asymmetry of tension and compression |
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36 | (1) |
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1.9 Anisotropy of mechanical properties |
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36 | (1) |
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1.10 Plastic strain ratio and plane anisotropy coefficient |
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37 | (10) |
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1.10.1 Erichsen drawing test |
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38 | (1) |
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38 | (9) |
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2 "Solid solution strengthening and ductilizing" theory for magnesium alloys |
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47 | (36) |
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2.1 Alloy design theory of solid solution strengthening and ductilizing |
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47 | (2) |
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2.2 Theoretical calculation of solid solution strengthening and ductilizing |
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49 | (12) |
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2.2.1 Effect of alloying elements on stacking fault energy |
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50 | (1) |
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2.2.2 Stacking fault energy (I2) for the basal plane of Mg |
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51 | (3) |
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2.2.3 Effect of alloying elements on generalized stacking fault energy |
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54 | (1) |
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2.2.4 Effect of alloying elements on critical resolved shear stress |
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55 | (1) |
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2.2.5 Calculation methods for critical resolved shear stress |
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56 | (3) |
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2.2.6 Site preferences of alloying elements in Mg crystal |
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59 | (2) |
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2.3 Experimental verification for the site preferences of alloying elements by X-ray diffraction |
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61 | (12) |
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2.3.1 Calculation of theoretical critical shear strength |
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66 | (3) |
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2.3.2 Calculation of modified stacking fault energy and critical resolved shear stress |
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69 | (4) |
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2.4 Experimental verification of solid solution strengthening and ductilizing |
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73 | (1) |
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2.5 Application of solid solution strengthening and ductilizing |
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74 | (3) |
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77 | (6) |
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79 | (1) |
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79 | (4) |
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3 Ultrahigh plasticity Mg---Gd---Zr alloy |
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83 | (36) |
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3.1 Microstructure and properties of as-cast Mg---Gd---Zr alloy |
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83 | (3) |
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3.1.1 Effect of Gd content on microstructure and properties |
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83 | (2) |
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3.1.2 Effect of Gd addition on lattice parameters of as cast alloy matrix |
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85 | (1) |
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3.2 Microstructure and properties of as-quenched alloy |
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86 | (8) |
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3.2.1 Effect of solution temperature on microstructure and properties of Vk61 alloy |
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86 | (3) |
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3.2.2 Effect of Gd content on microstructure and properties of as-quenched Mg---xGd---0.6Zr alloy |
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89 | (5) |
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3.3 Microstructures and mechanical properties of extruded Mg---Gd---Zr alloy |
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94 | (5) |
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3.3.1 Effect of pretreatment on microstructure and mechanical properties of extruded Mg---xGd---0.6Zr alloy |
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94 | (3) |
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3.3.2 Effect of Gd addition on lattice parameters of extruded alloys |
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97 | (2) |
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3.4 High plasticity mechanism of Mg---Gd---Zr alloy |
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99 | (15) |
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3.4.1 Microstructure and plasticity of as-cast and extruded VK21 alloys |
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99 | (5) |
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3.4.2 Effect of extrusion process on microstructure and plasticity of VK21 alloy |
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104 | (7) |
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3.4.3 Effect of heat treatment on microstructure and plasticity of Vk21 alloy |
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111 | (3) |
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114 | (5) |
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114 | (1) |
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115 | (4) |
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4 Medium-strength and high-plasticity Mg---Mn-based alloys |
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119 | (48) |
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4.1 Microstructures and properties of Mg---Mn-based alloy |
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119 | (10) |
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4.1.1 Effect of Mn on microstructures of Mg---Mn-based alloy |
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119 | (7) |
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4.1.2 Effect of Mn on mechanical properties of Mg---Mn alloys |
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126 | (3) |
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4.1.3 Effect of Mn on fracture surfaces of Mg---Mn alloys |
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129 | (1) |
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4.2 Effect of Al on the microstructure and mechanical properties of Mg---1Mn---Al alloy |
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129 | (22) |
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4.2.1 Effect of Al on the microstructure of Mg---1Mn---Al alloy |
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130 | (5) |
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4.2.2 Effect of Al on the mechanical properties of Mg---1Mn---Al alloy at room temperature |
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135 | (2) |
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137 | (1) |
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4.2.4 Effect of minor Al on microstructures of Mg---1Mn---Al Alloy |
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138 | (8) |
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4.2.5 Effect of minor Al on mechanical properties of Mg---1Mn---Al alloy |
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146 | (5) |
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4.3 Effect of Y on microstructures and properties of Mg---1Mn---Y alloy |
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151 | (5) |
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4.3.1 Effect of Y on the microstructure of Mg---1Mn---Y alloy |
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151 | (1) |
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4.3.2 Effect of Y on the mechanical properties of Mg---1Mn---Y alloy |
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152 | (3) |
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155 | (1) |
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4.4 The mechanism of high plasticity of Mg---Mn alloy and the influence of aluminum and yttrium |
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156 | (5) |
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4.4.1 Analysis on the formation of microstructures of Mg---Mn alloys |
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156 | (2) |
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4.4.2 High-plasticity mechanism of Mg---Mn alloy |
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158 | (2) |
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4.4.3 Effect of alloying elements aluminum and yttrium |
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160 | (1) |
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161 | (6) |
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163 | (4) |
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5 Medium-strength and high-plasticity Mg---Sn-based alloys |
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167 | (80) |
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5.1 Microstructure and property of extruded Mg-Sn alloy |
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167 | (3) |
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5.2 Phase diagram and alloy design of Mg---Al---Sn alloy |
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170 | (15) |
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5.2.1 Construction and verification of phase diagram |
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174 | (5) |
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179 | (6) |
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5.3 Microstructure and property of the Mg---Al---Sn---Mn cast alloy |
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185 | (22) |
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5.3.1 Phase composition and microstructure of Mg---Al---Sn---Mn alloy |
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185 | (11) |
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5.3.2 Property of the as-cast Mg---AI---Sn---Mn alloy |
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196 | (4) |
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5.3.3 Effect of Sn on the microstructure and property of AM alloy |
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200 | (7) |
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5.4 Microstructure and property of the wrought Mg---Al---Sn---Mn alloy |
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207 | (23) |
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5.4.1 Effect of Al on the microstructure and property of the as-extruded Mg---Al---Sn---Mn alloy |
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207 | (13) |
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5.4.2 Effect of Sn on the microstructure and property of as-extruded Mg---Al---Sn---Mn alloy |
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220 | (3) |
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5.4.3 Effect of extrusion temperature on the microstructure and property of the alloy |
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223 | (7) |
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5.5 Hot deformation parameter and constitutive equation of Mg---Al---Sn---Mn alloy |
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230 | (13) |
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5.5.1 Hot deformation parameter and constitutive equation of ATM110 alloy |
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231 | (4) |
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5.5.2 Hot deformation parameter and constitutive equation of ATM130 alloy |
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235 | (2) |
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5.5.3 Hot deformation parameter and constitutive equation of ATM310 alloy |
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237 | (3) |
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5.5.4 Hot deformation parameter and constitutive equation of ATM330 alloy |
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240 | (3) |
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243 | (4) |
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245 | (2) |
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6 Microstructure and mechanical properties of the high-strength Mg---Gd---Y---Zn---Mn alloy |
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247 | (46) |
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6.1 Effect of extrusion on the microstructure and mechanical properties of Mg---Gd---Y---Zn---Mn alloy |
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247 | (12) |
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6.1.1 Microstructure of the as-cast Mg---Gd---Y---Zn---Mn alloy before and after homogenization annealing |
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247 | (2) |
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6.1.2 Effect of extrusion ratio on the microstructure and mechanical properties of the extruded Mg---Gd---Y---Zn---Mn alloy bar |
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249 | (6) |
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6.1.3 Microstructure and mechanical properties of the extruded Mg---Gd---Y---Zn---Mn alloy sheet |
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255 | (1) |
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6.1.4 Aging treatment of the extruded Mg---Gd---Y---Zn---Mn alloy |
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256 | (3) |
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6.2 Effect of rolling on the microstructure and mechanical properties of the Mg---Gd---Y---Zn---Mn alloy |
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259 | (20) |
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6.2.1 Exploration of rolling process parameters of the as-annealed Mg---Gd---Y---Zn---Mn alloy |
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260 | (5) |
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6.2.2 Rolling deformation of the homogenized annealed Mg---Gd---Y---Zn---Mn alloy and its microstructure and mechanical properties |
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265 | (5) |
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6.2.3 "Rolling+solid solution+rolling" process of as-cast Mg---Gd---Y---Zn---Mn alloy and its microstructure and mechanical properties |
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270 | (9) |
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6.3 High-plasticity mechanism of Mg---Gd---Y---Zn---Mn alloy |
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279 | (11) |
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6.3.1 Effect of long-period stacking order structure phase |
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279 | (6) |
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6.3.2 Combined effects of LPSO phase and precipitation phase |
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285 | (2) |
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6.3.3 Effect of Mn element |
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287 | (3) |
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290 | (3) |
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291 | (2) |
Index |
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293 | |