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Table of Contents
Unit 2
Manufacturing Materials
Green Manufacturing Link 56
3
Materials and Manufacturing 57
Materials used in Manufacturing 58
Metallic Materials 58
Ferrous Metals 59
Nonferrous Metals 61
Academic Link 62
Polymeric Materials 63
Natural Polymers 63
Synthetic Polymers 64
Ceramic Materials 65
Composites 66
Purchasing Materials 67
Units 68
Weight 68
Surface Measure 68
Area 68
Volume 68
Career Link 72
4
Structure of Materials 73
Microstructures 73
Atomic Structure 74
Structure of Atoms 74
Electrons 74
Nucleus 75
Ions 75
The Periodic Table 76
The Periodic Classification of Elements 77
Atomic Number and Weight 78
Academic Link 78
Bonding 79
Primary Bonds 79
Secondary Bonds 81
Arrangement of Atoms 82
Molecular Structures 82
Crystalline Structures 82
Amorphous Structures 82
Macrostructure 83
5
Properties of Materials 87
Selecting Materials 88