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Searching... | 30000010372192 | TA404.8 S63 2003 | Open Access Book | Book | Searching... |
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Summary
Summary
Featuring in-depth discussions on tensile and compressive properties, shear properties, strength, hardness, environmental effects, and creep crack growth, "Mechanical Properties of Engineered Materials" considers computation of principal stresses and strains, mechanical testing, plasticity in ceramics, metals, intermetallics, and polymers, materials selection for thermal shock resistance, the analysis of failure mechanisms such as fatigue, fracture, and creep, and fatigue life prediction. It is a top-shelf reference for professionals and students in materials, chemical, mechanical, corrosion, industrial, civil, and maintenance engineering; and surface chemistry.
Author Notes
Wole Soboyejo is a Professor in the Department of Mechanical and Aerospace Engineering and the Princeton Materials Institute at Princeton University, New Jersey
Table of Contents
Preface | p. iii |
1 Overview of Crystal/Defect Structure and Mechanical Properties and Behavior | p. 10 |
1.1 Introduction | p. 1 |
1.2 Atomic Structure | p. 1 |
1.3 Chemical Bonds | p. 2 |
1.4 Structure of Solids | p. 8 |
1.5 Structural Length Scales: Nanostructure, Microstructure, and Macrostructure | p. 19 |
1.6 Summary | p. 20 |
Bibliography | p. 21 |
2 Defect Structure and Mechanical Properties | p. 23 |
2.1 Introduction | p. 23 |
2.2 Indicial Notation for Atomic Planes and Directions | p. 23 |
2.3 Defects | p. 28 |
2.4 Thermal Vibrations and Microstructural Evolution | p. 33 |
2.5 Overview of Mechanical Behavior | p. 51 |
2.6 Summary | p. 57 |
Bibliography | p. 57 |
3 Basic Definitions of Stress and Strain | p. 59 |
3.1 Introduction | p. 59 |
3.2 Basic Definitions of Stress | p. 59 |
3.3 Basic Definitions of Strain | p. 64 |
3.4 Mohr's Circle of Stress and Strain | p. 70 |
3.5 Computation of Principal Stresses and Principal Strains | p. 72 |
3.6 Hydrostatic and Deviatoric Stress Components | p. 75 |
3.7 Strain Measurement | p. 78 |
3.8 Mechanical Testing | p. 81 |
3.9 Summary | p. 84 |
Bibliography | p. 84 |
4 Introduction to Elastic Behavior | p. 85 |
4.1 Introduction | p. 85 |
4.2 Reasons for Elastic Behavior | p. 86 |
4.3 Introduction to Linear Elasticity | p. 89 |
4.4 Theory of Elasticity | p. 93 |
4.5 Introduction to Tensor Notation | p. 103 |
4.6 Generalized Form of Linear Elasticity | p. 107 |
4.7 Strain Energy Density Function | p. 109 |
4.8 Summary | p. 110 |
Bibliography | p. 111 |
5 Introduction to Plasticity | p. 112 |
5.1 Introduction | p. 112 |
5.2 Physical Basis for Plasticity | p. 113 |
5.3 Elastic-Plastic Behavior | p. 121 |
5.4 Empirical Stress-Strain Relationships | p. 128 |
5.5 Considere Criterion | p. 131 |
5.6 Yielding Under Multiaxial Loading | p. 133 |
5.7 Introduction to J[subscript 2] Deformation Theory | p. 136 |
5.8 Flow and Evolutionary Equations (Constitutive Equations of Plasticity) | p. 138 |
5.9 Summary | p. 139 |
Bibliography | p. 139 |
6 Introduction to Dislocation Mechanics | p. 141 |
6.1 Introduction | p. 141 |
6.2 Theoretical Shear Strength of a Crystalline Solid | p. 142 |
6.3 Types of Dislocations | p. 144 |
6.4 Movement of Dislocations | p. 148 |
6.5 Experimental Observations of Dislocations | p. 156 |
6.6 Stress Fields Around Dislocations | p. 157 |
6.7 Strain Energies | p. 163 |
6.8 Forces on Dislocations | p. 165 |
6.9 Forces Between Dislocations | p. 169 |
6.10 Forces Between Dislocations and Free Surfaces | p. 173 |
6.11 Summary | p. 175 |
Bibliography | p. 175 |
7 Dislocations and Plastic Deformation | p. 177 |
7.1 Introduction | p. 177 |
7.2 Dislocation Motion in Crystals | p. 178 |
7.3 Dislocation Velocity | p. 181 |
7.4 Dislocation Interactions | p. 183 |
7.5 Dislocation Bowing Due to Line Tension | p. 187 |
7.6 Dislocation Multiplication | p. 188 |
7.7 Contributions from Dislocation Density to Macroscopic Strain | p. 191 |
7.8 Crystal Structure and Dislocation Motion | p. 193 |
7.9 Critical Resolved Shear Stress and Slip in Single Crystals | p. 202 |
7.10 Slip in Polycrystals | p. 206 |
7.11 Geometrically Necessary and Statistically Stored Dislocations | p. 209 |
7.12 Dislocation Pile-Ups and Bauschinger Effect | p. 216 |
7.13 Mechanical Instabilities and Anomalous/Serrated Yielding | p. 218 |
7.14 Summary | p. 221 |
Bibliography | p. 221 |
8 Dislocation Strengthening Mechanisms | p. 224 |
8.1 Introduction | p. 224 |
8.2 Dislocation Interactions with Obstacles | p. 225 |
8.3 Solid Solution Strengthening | p. 226 |
8.4 Dislocation Strengthening | p. 229 |
8.5 Grain Boundary Strengthening | p. 231 |
8.6 Precipitation Strengthening | p. 234 |
8.7 Dispersion Strengthening | p. 244 |
8.8 Overall Superposition | p. 245 |
8.9 Summary | p. 246 |
Bibliography | p. 246 |
9 Introduction to Composites | p. 248 |
9.1 Introduction | p. 248 |
9.2 Types of Composite Materials | p. 249 |
9.3 Rule-of-Mixture Theory | p. 257 |
9.4 Deformation Behavior of Unidirectional Composites | p. 262 |
9.5 Matrix versus Composite Failure Modes in Unidirectional Composites | p. 265 |
9.6 Failure of Off-Axis Composites | p. 267 |
9.7 Effects of Whisker/Fiber Length on Composite Strength and Modulus | p. 271 |
9.8 Constituent and Composite Properties | p. 275 |
9.9 Statistical Variations in Composite Strength | p. 282 |
9.10 Summary | p. 287 |
Bibliography | p. 287 |
10 Further Topics in Composites | p. 289 |
10.1 Introduction | p. 289 |
10.2 Unidirectional Laminates | p. 290 |
10.3 Off-Axis Laminates | p. 292 |
10.4 Multiply Laminates | p. 295 |
10.5 Composite Ply Design | p. 300 |
10.6 Composite Failure Criteria | p. 302 |
10.7 Shear Lag Theory | p. 304 |
10.8 The Role of Interfaces | p. 308 |
10.9 Summary | p. 313 |
Bibliography | p. 313 |
11 Fundamentals of Fracture Mechanics | p. 315 |
11.1 Introduction | p. 315 |
11.2 Fundamentals of Fracture Mechanics | p. 317 |
11.3 Notch Concentration Factors | p. 317 |
11.4 Griffith Fracture Analysis | p. 318 |
11.5 Energy Release Rate and Compliance | p. 320 |
11.6 Linear Elastic Fracture Mechanics | p. 324 |
11.7 Elastic-Plastic Fracture Mechanics | p. 342 |
11.8 Fracture Initiation and Resistance | p. 351 |
11.9 Interfacial Fracture Mechanics | p. 355 |
11.10 Dynamic Fracture Mechanics | p. 359 |
11.11 Summary | p. 361 |
Bibliography | p. 361 |
12 Mechanisms of Fracture | p. 366 |
12.1 Introduction | p. 366 |
12.2 Fractographic Analysis | p. 367 |
12.3 Toughness and Fracture Process Zones | p. 369 |
12.4 Mechanisms of Fracture in Metals and Their Alloys | p. 371 |
12.5 Fracture of Intermetallics | p. 385 |
12.6 Fracture of Ceramics | p. 387 |
12.7 Fracture of Polymers | p. 389 |
12.8 Fracture of Composites | p. 393 |
12.9 Quantitative Fractography | p. 396 |
12.10 Thermal Shock Response | p. 397 |
12.11 Summary | p. 410 |
Bibliography | p. 411 |
13 Toughening Mechanisms | p. 414 |
13.1 Introduction | p. 414 |
13.2 Toughening and Tensile Strength | p. 416 |
13.3 Review of Composite Materials | p. 418 |
13.4 Transformation Toughening | p. 419 |
13.5 Crack Bridging | p. 426 |
13.6 Crack-Tip Blunting | p. 436 |
13.7 Crack Deflection | p. 440 |
13.8 Twin Toughening | p. 442 |
13.9 Crack Trapping | p. 443 |
13.10 Microcrack Shielding/Antishielding | p. 445 |
13.11 Linear Superposition Concept | p. 445 |
13.12 Synergistic Toughening Concept | p. 446 |
13.13 Toughening of Polymers | p. 449 |
13.14 Summary and Concluding Remarks | p. 451 |
Bibliography | p. 452 |
14 Fatigue of Materials | p. 456 |
14.1 Introduction | p. 456 |
14.2 Micromechanisms of Fatigue Crack Initiation | p. 460 |
14.3 Micromechanisms of Fatigue Crack Propagation | p. 462 |
14.4 Conventional Approach to Fatigue | p. 467 |
14.5 Differential Approach to Fatigue | p. 473 |
14.6 Fatigue Crack Growth in Ductile Solids | p. 474 |
14.7 Fatigue of Polymers | p. 477 |
14.8 Fatigue of Brittle Solids | p. 480 |
14.9 Crack Closure | p. 486 |
14.10 Short Crack Problem | p. 493 |
14.11 Fatigue Growth Laws and Fatigue Life Prediction | p. 496 |
14.12 Fatigue of Composites | p. 499 |
14.13 Summary | p. 504 |
Bibliography | p. 505 |
15 Introduction to Viscoelasticity, Creep, and Creep Crack Growth | p. 511 |
15.1 Introduction | p. 511 |
15.2 Creep and Viscoelasticity in Polymers | p. 513 |
15.3 Mechanical Dumping | p. 520 |
15.4 Temperature Dependence of Time-Dependent Flow in Polymers | p. 523 |
15.5 Introduction to Creep in Metallic and Ceramic Materials | p. 525 |
15.6 Functional Forms in the Different Creep Regimes | p. 528 |
15.7 Secondary Creep Deformation and Diffusion | p. 531 |
15.8 Mechanisms of Creep Deformation | p. 533 |
15.9 Creep Life Prediction | p. 542 |
15.10 Creep Design Approaches | p. 544 |
15.11 Threshold Stress Effects | p. 546 |
15.12 Creep in Composite Materials | p. 547 |
15.13 Thermostructural Materials | p. 548 |
15.14 Introduction to Superplasticity | p. 556 |
15.15 Introduction to Creep Damage and Time-Dependent Fracture Mechanics | p. 562 |
15.16 Summary | p. 567 |
Bibliography | p. 568 |
Index | p. 573 |