本書中課文和閱讀材料均選自英、美等國專業教材和專業刊物中的原文100余篇，全書共計4章、40個單元。內容包括金屬熱加工基礎知識、鑄造原理工藝及設備、焊接原理工藝及設備、熱處理原理工藝及設備等方面，使讀者在掌握熱加工專業英語和科技英語語法與結構的同時進一步學習和鞏固有關熱加工（鑄造、焊接、熱處理）專業的有關知識。附錄中還給出了科技英語閱讀和翻譯基礎知識、單元課文參考譯文、專業詞匯縮寫和有關的熱加工專業名詞術語和詞組500余條等。
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Contents
第2版前言
第1版前言
編者的話
Chapter One Hot-Working Special Basics 1
Unit 1 Materials, Manufacturing,
and the Standard of Living 1
Unit 2 Ironmaking 7
Unit 3 Crystal Structure 13
Unit 4 The Fe-Fe3C Phase Diagram 18
Unit 5 Solidification of Metals 23
Unit 6 Solidification and Metals
Joining 29
Unit 7 Three Stages of Annealing 35
Unit 8 Engineering Materials: Ferrous Contents
第2版前言
第1版前言
編者的話
Chapter One Hot-Working Special Basics 1
Unit 1 Materials, Manufacturing,
and the Standard of Living 1
Unit 2 Ironmaking 7
Unit 3 Crystal Structure 13
Unit 4 The Fe-Fe3C Phase Diagram 18
Unit 5 Solidification of Metals 23
Unit 6 Solidification and Metals
Joining 29
Unit 7 Three Stages of Annealing 35
Unit 8 Engineering Materials: Ferrous
Alloys（Steels） 41
Unit 9 Engineering Materials: Ferrous
Alloys（Cast Irons） 46
Unit 10 Engineering Materials:
Nonferrous Alloys 50
Chapter Two Foundry 54
Unit 1 Foundry Processes 54
Unit 2 Patterns 59
Unit 3 Sand Conditioning and Control 63
Unit 4 Molding Machines 67
Unit 5 Cleaning, Finishing Castings 71
Unit 6 Gating System 74
Unit 7 Centrifugal Casting 77
Unit 8 Die Casting 82
Unit 9 Lost-Foam Casting 87
Unit 10 The Cupola 93
Chapter Three Welding 99
Unit 1 Welding 99
Unit 2 Welded Joints and Symbols 104
Unit 3 Polarity 109
Unit 4 The Weldability of Metals 114
Unit 5 Gas-Shielded Arc Welding 119
Unit 6 CO2 Welding 125
Unit 7 Submerged Arc Welding
Fundamentals of the Process 132
Unit 8 Resistance Welding 138
Unit 9 Gas Welding 144
Unit 10 Flame Cutting 150
Chapter Four Heat Treatment of Metals 155
Unit 1 What Is the Heat-Treating 155
Unit 2 Phase Transformations in
Heating Steel 160
Unit 3 Features of Super-Cooled Austenite
Transformation (TTT Diagrams) 165
Unit 4 Hardening of Steel 169
Unit 5 Normalizing of Steel 175
Unit 6 Surface Treatments:
Carburizing 179
Unit 7 Carburizing Processes 184
Unit 8 Primary Equipment of
Heat-Treating 187
Unit 9 Vacuum Treating 191
Unit 10 Temperature Control in
Heat-Treating 195
Appendix 199
Appendix A Translation Knowledge 199
Appendix B Translated Texts 221
Appendix C English-Chinese Special
Abbreviations 247
Appendix D Glossary of Terms 249
References 258
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