本书机械工程材料课程英文教材，既可用做双语教学，也可用于专业英语学习。本教材*的特色是讲述内容符合国内实际，如在相关一些材料牌号上选用了国内名称，避免了外文同类教材国外材料牌号与国内不一样的问题。其次，本教材语言通俗易懂，除了一些**的专业名词外，论述避免了大段的从句或不常用的生僻字，让学生便于理解。本书是基于“工程材料”是机械或近机械专业的一门专业基础课，本教材出版后应该具有较可观的市场前景。

Contents
Chapter 1 Introduction 1
1.1 Concepts and sorts of materials and what the function and status of
the material are in society revolution 2
1.2 Conteat and Relation of materials science and engineering 5
1.3 Development of materials 7
1.4 Materials and mechanical engineering 10
Chapter 2 The Mechanical Properties Of Metals 13
2.1 Introduction 13
2.2 Static mechanical properties 14
2.3 Hardness tests 22
2.4 Impact toughness 27
2.5 Fracture toughness 30
2.6 Fatigue tests 32
2.7 Test at elevated tempearatures 34
2.8 Variability of material properties 35
Chapter3 Crystal Structure and Crystallizing 37
3.1 Crystal structure of metals 37
3.2 Actual structure of metals 47
3.3 Crystallization of metal 53
3.4 Structure of steel ingot 59
Chapter4 Plastic Deformation and Recrystallization of Metal 62
4.1 Plastic deformation of metal 62
4.2 Effects of plastic deformation on structure and property of metal 67
4.3 The change of structure and property of deformed metal during heating 70
4.4 Hot working of metal 75
4.5 Superplasticity 76
Chapter5 Binary Alloy 78
5.1 Definitions and basic concepts 78
5.2 Phase structure of alloy 80
5.3 Binary alloy diagram 83
Chapter 6 Iron Carbon Alloys 99
6.1 Phase structure and properties of iron carbon alloys 99
6.2 Iron carbon equilibrium diagram 101
6.3 Plain carbon steels 115
Chapter 7 Heat Treatment of Steel 120
7.1 Introduction 120
7.2 Formation of austenite during heating 122
7.3 Decomposition of austenite during cooling 129
7.4 Annealing of steel 140
7.5 Normalising of steel 144
7.6 Hardening of steel 146
7.7 Tempering of steel 159
7.8 The surface quenching of steel 165
7.9 The chemical heat treatment of the steel 170
Chapter 8 Alloy Steels 177
8.1 Effects of alloying elements in steel 177
8.2 Mechanisms of strengthening in metals 183
8.3 Categories and code of alloy steels 186
8.4 Structural alloy steels 186
8.5 Tool steels 195
8.6 Steels for special use 202
Chapter 9 Cast Iron 207
9.1 Introduction 207
9.2 Graphitisation of cast iron 207
9.3 Classify of cast iron 209
9.4 Grey cast iron 211
9.5 Malleable cast iron 214
9.6 Spheroidal cast iron 218
9.7 Vermicular cast iron 223
9.8 Alloy cast iron 224
Chapter10 Nonferrous Metals and Their Alloys 228
10.1 Aluminum and its alloys 229
10.2 Copper and its alloys 237
10.3 Magnesium and its alloys 241
10.4 Titanium and their alloys 243
10.5 Bearing alloys 247
Chapter 11 Polymer 250
11.1 Introduction 250
11.2 Classification of polymers 251
11.3 Structural characteristics of polymers 255
11.4 Properties of polymers and plastics 266
11.5 Additives for plastic materials and compounding 277
11.6 Polymer processes 279
11.7 Properties and utilities of selected polymers 283
Chapter 12 Advanced Materials 285
12.1 Introduction 285
12.2 Information functional materials 285
12.3 Composite materials 286
12.4 Smart materials 292
12.5 Nanomaterials 294
12.6 Biomaterial 300
12.7 Porous materials 301
Chapter 13 Material Selecting for Parts 304
13.1 Failure of mechanical parts 304
13.2 General principles for selecting suitable materials 310
13.3 Selecting suitable material for typical parts and working process 311
References 316