●Chapter 1 Introduction 1
Chapter 2 Mechanical Properties of Metals 7
2.1 Introduction 7
2.2 Concepts Of Stress And Strain 8
2.3 Stress-Strain Behavior 11
2.4 Anelasticity (or Viscoelasticity) 14
2.5 Elastic Properties of Materials 15
2.6 Tensile Properties 16
2.6.1 Yield Strength 16
2.6.2 Tensile Strength 17
2.6.3 Ductility 19
2.6.4 Toughness 21
2.6.5 Resilience 21
2.7 True Stress And Strain 22
2.8 Elastic Recovery After Plastic Deformation 26
2.9 Compressive,Shear,And Torsion Deformation 26
2.10 Hardness 26
2.10.1 Brinell Hardness Tests 27
2.10.2 Rockwell Hardness Tests 27
2.10.3 Knoop and Vickers Microindentation Hardness Tests 29
2.10.4 Correlation Between Hardness and Tensile Strength 29
SUMMARY 30
IMPORTANT TERMS AND CONCEPTS 31
REFERENCES 31
QUESTIONS AND PROBLEM 31
Chapter 3 Micro-fracture of metals 37
3.1 Introduction 37
3.1.1 Ductile fracture 37
3.1.2 Brittle fracture 38
3.2 Process of fracture 38
3.2.1 Crack Nucleation 38
3.2.2 Ductile Fracture 40
3.2.3 Brittle fracture 45
SUMMARY 49
IMPORTANT TERMS AND CONCEPTS 49
REFERENCES 49
QUESTIONS AND PROBLEMS 50
Chapter 4 Principles of Fracture Mechanics 51
4.1 Introduction 51
4.2 Theoretical Cleavage Strength 52
4.3 Stress Concentration 54
4.3.1 Stress Concentrations 54
4.3.2 Stress Concentration Factor 55
4.4 Griffith Criterion of Fracture 58
4.5 Fracture Toughness 62
4.5.1 Hypotheses of LEFM 63
4.5.2 Crack-Tip Separation Modes 64
4.5.3 Stress Field in an Isotropic Material in the Vicinity of a Crack Tip 64
4.5.4 Details of the Crack-Tip Stress Field in Mode I 65
4.5.5 Plastic-Zone Size Correction 68
4.6 Fracture Toughness Parameters 70
4.6.1 Crack Extension Force G 70
4.6.2 Crack Tip Opening Displacement (CTOD) 72
4.6.3 J Integral 73
4.6.4 R Curve 75
4.6.5 Relationships among Different Fracture Toughness Parameters 76
4.7 Impact Fracture 79
4.7.1 Impact Testing Techniques 79
4.7.2 Ductile-to-Brittle Transition 81
SUMMARY 83
IMPORTANT TERMS AND CONCEPTS 84
REFERENCES 84
QUESTIONS AND PROBLEMS 84
Chapter 5 Fatigue of metals 88
5.1 Introduction 88
5.2 Cyclic Stresses 88
5.3 The S-N Curve 89
5.4 Crack Initiation and Propagation 92
5.5 Factors That Affect Fatigue Life 94
5.5.1 Mean Stress 94
5.5.2 Surface Effects 94
5.5.3 Design Factors 94
5.5.4 Surface Treatments 95
5.6 Environmental Effects 96
SUMMARY 97
IMPORTANT TERMS AND CONCEPTS 98
REFERENCES 98
QUESTIONS AND PROBLEMS 98
Chapter 6 Creep of metals 101
6.1 Introduction 101
6.2 Generalized Creep Behavior 101
6.3 Stress and Temperature Effects 102
6.4 Data Extrapolation Methods 104
6.5 Alloys for High-Temperature 105
SUMMARY 106
IMPORTANT TERMS AND CONCEPTS 107
REFERENCES 107
QUESTIONS AND PROBLEMS 107
Chapter 7 Corrosion and Degradation of Metals 109
7.1 Introduction 109
7.2 Electrochemical Nature of Corrosion in Metals 109
7.3 Passivity 112
7.4 Environmentally Assisted Fracture in Metals 113
7.4.1 Stress Corrosion Cracking (SCC) 114
7.4.2 Hydrogen Damage in Metals 115
SUMMARY 120
IMPORTANT TERMS AND CONCEPTS 121
REFERENCES 121
QUESTIONS AND PROBLEMS 121
Chapter 8 Mechanical properties of ceramics 123
8.1 Introduction 123
8.2 Stress-Strain Behavior 123
8.3 Mechanisms Of Plastic Deformation 126
8.3.1 Crystalline Ceramics 126
8.3.2 Noncrystalline Ceramics 126
8.4 Brittle Fracture of Ceramics 127
8.5 Miscellaneous Mechanical Considerations 131
8.5.1 Influence of Porosity 131
8.5.2 Hardness 132
8.5.3 Creep 133
SUMMARY 133
REFERENCES 133
QUESTIONS AND PROBLEMS 133
Chapter 9 Mechanical properties of Polymers 135
9.1 Introduction 135
9.2 Stress-Strain Behavior 135
9.3 Macroscopic Deformation 138
9.4 Viscoelastic Deformation 138
9.5 Fracture Of Polymers 144
9.6 Miscellaneous Mechanical Characteristics 146
9.6.1 Impact Strength 146
9.6.2 Fatigue 146
9.6.3 Tear Strength and Hardness 147
9.7 Mechanisms of Deformation and for Strengthening of Polymers 147
9.7.1 Mechanism of Elastic Deformation 148
9.7.2 Mechanism of Plastic Deformation 148
9.8 Factors That Influence The Mechanical Properties Of Semicrystalline 151
9.8.1 Polymers 151
9.8.2 Molecular Weight 151
9.8.3 Degree of Crystallinity 151
9.8.4 Predeformation by Drawing 152
9.8.5 Heat Treating 152
9.9 Deformation Of Elastomers 153
SUMMARY 155
IMPORTANT TERMS AND CONCEPTS 156
REFERENCES 156
QUESTIONS AND PROBLEMS 156
Chapter 10 Mechanical properties of Composite Materials 158
10.1 Introduction 158
10.2 Tensile Stress-Strain Behavior 160
10.2.1 Elastic Moduli 162
10.2.2 Strength 163
10.3 Toughness 166
10.4 Fracture in Composites 168
10.4.1 Single and Multiple Fracture 168
10.4.2 Failure Modes in Composites 169
IMPORTANT TERMS AND CONCEPTS 172
REFERENCES 172
QUESTIONS AND PROBLEMS 172
內容簡介
《材料力學性能》是根據教育部近期新頒布的課程教學基本要求和課程改革的精神編寫的，以英文為表達形式，在內容和形式上有較大的更新，為材料性能學課程開展雙語教學提供適用教材。全書共十章，以工程材料的強度-硬度-塑性-韌性力學性能為主線，前七章詳細闡述金屬材料的力學性能，後三章分別闡述高分子材料、陶瓷材料和復合材料的力學性能，重點闡述工程材料在靜載荷、衝擊載荷和交變載荷及在環境介質（高溫和腐蝕條件）作用下的力學性能，並從斷裂力學的角度出發，重點闡述工程材料的抗斷裂性能等。《材料力學性能》以闡述宏觀規律為主，將宏觀規律與微觀機理相結合，同時強調理論與實際相聯繫。《材料力學性能》作為機械類和材料類學生的專業基礎課程材料性能學的教學用書，適用於48~64學時教學，主要面向機械類和材料類專本科學生，也可供近機類和近材料類專業選用，還可供有關工程技術人員學習參考。
