Chapter1 Heterogeneous Distribution of Temperatures and Pressures in the Shock Recovery Fixtures and its Utilization to Materials Science Study 1 |
1 Introduction 1 |
2 Reasonable Size of recovery fixture 2 |
3 Sock wave reflection in solids 2 |
4 Recovery assemblt of a very thin specimen,sandwiched bertween high impedance materials 5 |
5 Recovery fixtvire having thick specimen chamber 6 |
5.1 Gun recovery expermint |
5.2 Explosive recovery expermint |
6 Numerical simulation of shock compression in the recovery capsule 8 |
7 Shock compression of a solid by means of converging shock waves 11 |
7.1 Simulation of conically converging shock wave in the rod-in-cylinder structure 11 |
7.2 Shock compression of iron by using the conically converging technique 13 |
8 Conclusions 15 |
Chapter2 Dynamic Synthesis of Superhard Materials 17 |
1 Introduction 17 |
2 Dynamic synthesis of super hard materials 17 |
3 Considerations of synthesis mechanism 21 |
4 Conclusions 30 |
Chapter3 Solid State Reactivity of Shock-Processed Solids 35 |
1 Introduction 35 |
2 Shock modification of shock-processed solids 36 |
3 Single-component system 36 |
3.1 Solid -solid interaction 36 |
3.2 Solid-liquid interactions 48 |
3.3 Solid-gas interactions 50 |
4 Multiple-component Systems 52 |
4.1 Conventional reaction processing 53 |
4.2 Shock compression processing 55 |
5 Summary and concluding remarks 61 |
Chapter4 Shock-Induced Chemical Reactions in Inorganic Powder Mixtures 67 |
1 Introduction 67 |
2 Materials synthesis 68 |
2.1 Aluminades 68 |
2.2 Diamond 76 |
2.3 Diamond/ceramics composites 77 |
3 Computational modeling 79 |
4 Conclusions 98 |
Chapter5 Shock Effects on Structural and Superconducting Properties of High Tc Oxides 101 |
1 Introduction 101 |
2 Specific features of high Tc oxides as type II superconductor 102 |
3 Mechanical and chemical effects of shock waves on high Tc oxides 103 |
3.1 Shock synthesis and decomposition 103 |
3.2 Shock compaction 103 |
3.3 Shock-induced strain 103 |
3.4 Deformation textures and induced defects 105 |
4 Shock effects on superconductiong properties 107 |
4.1 Shock effects on Tc 107 |
4.2 Effect on pinning energy 108 |
5 Concluding remarks 110 |
Chapter6 Shock compression studies on ceramic materials 113 |
1 Introduction 113 |
2 Experimental facilities combined with the keyed-powder gun 114 |
2.1 Keyed-powder gun 114 |
2.2 Inclined-mirror method 116 |
2.3 Manganin-gauge method 117 |
2.4 Electromagnetic-gauge method 119 |
3 Shock compression studies on selected ceramics 120 |
3.1 Alumina(Al2O3) 120 |
3.2 Zirconia(ZrO2) 124 |
3.3 Silicon nitride(Si3N4) 131 |
4 Phenomenological discussion on the shock-yielding phenomena of brittle materials 132 |
4.1 Some problems in experimental and analysis of shock compression of solids 133 |
4.2 Classification of the shock-yielding phenomena of solids 134 |
4.3 Correlation with some crystal state and thermal property 138 |
5 Concluding remarks 141 |
Chapter7 The role of Thermal Energy in Shock Consolidation 145 |
1 Introduction 145 |
2 Energy deposition during shock processing 145 |
3 Experimental techniques 145 |
3.1 Cylindrical system 154 |
3.2 Sawaoka system 154 |
4 Consolidation experiments:Results and discussion 158 |
4.1 Hot shock consolidation 159 |
4.2 shock consolidation followed by annealing or hot isostatic pressing 165 |
4.3 Reaction-assisted shock consolidation 171 |
5 Conclusions 175 |
Chapter8 A New Processing for rhe Self-propagating High Temperature Synthesis(SHS)Combined with Shock Compression Technique 177 |
1 Introduction 177 |
2 Explosive treatment of final SHS products 179 |
3 Shock wave effects in starting SHS compositions 185 |
4 Concomitant occurrence of SHS and explosive pressing 186 |
5 Conclusions 192 |
Chapter9 Shock wave interaction in solid materials 195 |
1 Introduction 195 |
2 Gas gun based methods of realizing wave interaction 196 |
2.1 Shock wave registration system 197 |
2.2 New procedure of generating shock convergence or collision 199 |
3 Symmetrically converging cylindrical shock waves in solids 201 |
3.1 Approximate theory of converging shock waves in condensed media 201 |
3.2 Converging shock wave:a unique application 206 |
4 Collision of plane shock waves and Mach stem produced by conical convergence 211 |
4.1 Regular and irregular reflection 212 |
4.2 Experimental procedures 216 |
4.3 Results and discussion 219 |
5 Concluding remarks 223 |
Chapter1 Heterogeneous Distribution of Temperatures and Pressures in the Shock Recovery Fixtures and its Utilization to Materials Science Study 1 |
1 Introduction 1 |
2 Reasonable Size of recovery fixture 2 |