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[资源] 经典综述——大塑性变形制备块体纳米晶体材料（英文）

大塑性变形制备块体纳米晶体材料Bulk nanostructured materials from severe
plastic deformation

R.Z. Valiev*, R.K. Islamgaliev, I.V. Alexan

Contents
1. Introduction .................................................. 104
2. Methods of severe plastic deformation and formation of nanostructures ....... 105
2.1. SPD techniques and regimes.................................. 105
2.1.1. Torsion straining under high pressure ..................... 106
2.1.2. ECA pressing ...................................... 108
2.1.3. Multiple forging .................................... 112
2.2. Typical nanostructures and their formation ....................... 115
3. Structural characterization and modeling of SPD materials ................. 125
3.1. Experimental investigations .................................. 126
3.2. A structural model of NSM .................................. 142
4. Properties of nanostructured SPD materials............................ 146
4.1. Fundamental parameters .................................... 146
4.1.1. Curie temperature and saturation magnetization ............. 147
4.1.2. Debye temperature .................................. 150
4.1.3. Di€usivity ........................................ 150
4.1.4. Elasticity ......................................... 152
4.1.5. Internal friction ..................................... 154
4.2. Mechanical properties and behavior ............................ 156
4.2.1. Strength behavior ................................... 157
4.2.2. Fatigue ........................................... 162
4.2.3. Superplasticity ..................................... 164
4.3. Other physical and engineering properties ........................ 172
4.3.1. Magnetic hysteresis.................................. 172
4.3.2. Optical properties of semiconductors ..................... 175
4.3.3. Corrosion behavior.................................. 178
4.4. The potential for practical applications .......................... 180
References ..... ................................................... 18

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2013-07-26 10:15:31, 3.39 M