| About the authors |
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xiii | |
| Preface to the first edition |
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xv | |
| Preface to the second edition |
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xvii | |
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1 | (16) |
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1 | (1) |
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2 | (11) |
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1.2.1 Intrinsic and intentional voids |
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2 | (1) |
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1.2.2 Closed and open cell porosity |
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3 | (2) |
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1.2.3 Unreinforced and reinforced voids |
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5 | (2) |
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1.2.4 Porosity in natural and synthetic materials |
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7 | (2) |
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1.2.5 Stochastic, nonstochastic, and Voronoi foams |
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9 | (3) |
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1.2.6 Material versus digital design of voids |
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12 | (1) |
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1.3 Voids through the length scale |
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13 | (2) |
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15 | (2) |
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2 Intrinsic voids in crystalline materials: Ideal materials and real materials |
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17 | (24) |
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17 | (1) |
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2.2 Crystalline materials |
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18 | (7) |
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2.2.1 Ideal materials and properties |
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18 | (3) |
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2.2.2 Defects and real properties |
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21 | (4) |
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25 | (1) |
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2.3 Mechanical properties |
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25 | (5) |
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25 | (3) |
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2.3.2 Effect of voids on strength |
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28 | (1) |
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2.3.3 Griffith theory of brittle fracture |
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29 | (1) |
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2.4 Processing and service-induced voids |
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30 | (1) |
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30 | (1) |
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2.4.2 Powder processing of materials |
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31 | (1) |
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31 | (1) |
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2.5 Time-dependent properties |
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31 | (6) |
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2.5.1 Diffusion of vacancies and voids |
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32 | (2) |
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2.5.2 Clustering and failure |
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34 | (1) |
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2.5.3 Kirkendall voids in crystalline materials |
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35 | (2) |
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37 | (4) |
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3 Intrinsic voids in polymeric networks |
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41 | (12) |
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41 | (3) |
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3.2 Free volume and thermomechanical behavior |
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44 | (2) |
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3.3 Kinetic theory of polymer strength |
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46 | (2) |
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48 | (1) |
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3.5 Role of voids in physical aging in polymers |
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49 | (1) |
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3.6 Measurement of free volume |
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49 | (1) |
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50 | (3) |
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4 Nanometer scale porous structures |
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53 | (24) |
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53 | (1) |
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54 | (5) |
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59 | (2) |
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61 | (3) |
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4.5 Nanoporous organic networks |
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64 | (7) |
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4.5.1 Covalent organic frameworks |
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65 | (2) |
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4.5.2 Covalent triazine frameworks |
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67 | (1) |
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4.5.3 Polymers of intrinsic microporosity (PIM) |
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67 | (1) |
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4.5.4 Conjugated microporous polymers |
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68 | (3) |
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4.6 Nanopbrous noble metals |
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71 | (2) |
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73 | (4) |
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5 Hollow and porous structures utilizing the Kirkendall effect |
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77 | (18) |
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77 | (1) |
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5.2 Generalized Kirkendall mechanism for formation of hollow particles |
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78 | (4) |
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5.2.1 Symmetric hollow particles |
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80 | (1) |
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5.2.2 Asymmetric hollow particles |
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81 | (1) |
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82 | (3) |
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5.4 Porous and hollow structures |
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85 | (6) |
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91 | (4) |
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6 Techniques for introducing intentional voids into materials |
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95 | (44) |
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95 | (1) |
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6.2 Commonalities of foam formation processes |
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96 | (1) |
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6.3 Introduction of a gas |
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97 | (8) |
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97 | (2) |
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6.3.2 Physical blowing agent |
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99 | (2) |
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6.3.3 Chemical blowing agent |
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101 | (4) |
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6.4 Templating or sacrificial pore former |
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105 | (2) |
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106 | (1) |
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6.5 Bonding together of spheres, fibers, powders, or particles |
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107 | (2) |
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6.6 Additive manufacturing of cellular structures |
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109 | (14) |
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6.7 Mechanical stretching |
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123 | (1) |
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6.8 Exploiting chemically selective weakness in solids |
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124 | (5) |
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6.9 Hierarchical design with voids |
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129 | (3) |
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132 | (5) |
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137 | (2) |
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7 Techniques of introducing intentional voids into particles and fibers |
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139 | (28) |
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139 | (1) |
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7.2 Hollow and porous particles |
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139 | (15) |
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139 | (1) |
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7.2.2 Processing of porous particles |
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140 | (3) |
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143 | (4) |
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7.2.4 Hollow, porous particles |
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147 | (3) |
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7.2.5 Porous and hollow macrometer scale particles |
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150 | (4) |
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7.3 Hollow and porous fibers |
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154 | (6) |
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158 | (2) |
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7.4 Nonspherical hollow particles |
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160 | (2) |
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162 | (5) |
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8 Void characterization techniques |
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167 | (22) |
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167 | (1) |
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167 | (5) |
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167 | (1) |
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8.2.2 Electron microscopy |
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168 | (4) |
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8.3 Positron annihilation lifetime spectroscopy (PALS) |
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172 | (2) |
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8.4 Three-dimensional imaging |
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174 | (4) |
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178 | (2) |
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8.6 Chromatographic porosimetry |
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180 | (6) |
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180 | (1) |
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8.6.2 Inverse gas chromatography (IGC) |
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181 | (2) |
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8.6.3 Inverse size exclusion chromatography |
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183 | (3) |
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186 | (3) |
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9 Characteristics and properties of porous materials |
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189 | (42) |
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189 | (1) |
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9.2 General characterization |
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190 | (12) |
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190 | (1) |
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9.2.2 Open versus closed cell |
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191 | (2) |
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9.2.3 Reinforced versus unreinforced voids |
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193 | (2) |
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195 | (1) |
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196 | (1) |
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197 | (2) |
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9.2.7 Cell size distribution and regularity |
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199 | (3) |
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202 | (6) |
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9.3.1 Stress---strain behavior in compression |
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202 | (1) |
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203 | (3) |
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9.3.3 Dielectric constant |
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206 | (2) |
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208 | (4) |
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9.4.1 Growth and performance |
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208 | (2) |
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9.4.2 Compressive stress---strain relationship |
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210 | (2) |
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212 | (5) |
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9.6 Finite element analysis (FEA) |
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217 | (3) |
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220 | (2) |
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222 | (4) |
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226 | (5) |
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231 | (50) |
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231 | (2) |
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233 | (10) |
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233 | (5) |
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10.2.2 Hollow composite macrospheres and composite syntactic foams |
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238 | (1) |
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10.2.3 Deep-sea thermal insulation |
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239 | (1) |
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10.2.4 Syntactic foams and explosive formulations |
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240 | (2) |
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242 | (1) |
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243 | (14) |
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10.3.1 Carbon nanotubes (CNT) |
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243 | (2) |
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245 | (1) |
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10.3.3 Thermal protection systems and heat shields |
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246 | (3) |
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10.3.4 Silica aerogel for a comet dust collector |
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249 | (5) |
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10.3.5 Thermal barrier coatings (TBCs) |
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254 | (3) |
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257 | (6) |
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10.4.1 Lithium-ion battery |
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257 | (2) |
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10.4.2 Electrochemical energy storage with porous metals |
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259 | (2) |
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10.4.3 Guest---host complexes |
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261 | (2) |
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263 | (1) |
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10.5 Titania and photocatalysis |
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263 | (2) |
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10.6 Biomaterials and healthcare |
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265 | (7) |
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265 | (2) |
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10.6.2 Biomaterials scaffold |
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267 | (1) |
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10.6.3 Nerve regeneration |
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268 | (4) |
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272 | (1) |
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272 | (3) |
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275 | (6) |
| Glossary |
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281 | (4) |
| Author index |
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285 | (12) |
| Subject index |
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297 | |