第一部分 專業英語閱讀 1 Metals and alloys 1.1 Metals 1.2 Alloys 1.3 Ferrous metals and alloys 1.4 Non—ferrous metals and alloys 2 Heat treatment 2.1 Effects of time and temperature 2.2 Typical heat treatments of steel 3 Metal casting 3.1 Introduction 3.2 Casting procedure 4 Die for metal forming 4.1 Single die 4.2 Compound dies 4.3 Progressive dies 5 Sand casting 6 Permanent mould casting 7 Investment casting 8 Die casting 8 1 PrnrPss 8.2 Cast metal 8.3 Advantages and disadvantages 9 Centrifugal casting 10 Continuous casting 10.1 Equipment and process 10.2 Startup，control of the process and problems 11 Principles of metal forming 11.1 Metal forming 11.2 Plastic deformation 11.3 Work hardening 11.4 Recrystallization 11.5 Forming processes 12 Forging 12.1 Open-die forging 12.2 Close—die forging 13 Rolling 13.1 Hot rolling 13.2 Cold rolling 13.3 Rolling processes 14 Extrusion 14.1 Cold extrusion 14.2 Hot extrusion 14.3 Materials 15 Drawing 16 Stamping 17 History of welding process 18 Oxyfuel gas welding and cutting 18.1 Oxyfuel gases 18.2 Types of flames
18.3 Oxyfuel welding fluxes 18.4 Cutting 19 Electric arc welding 19.1 Principle of arc welding 19.2 Carbon arc welding 20 Gas tungsten arc welding 20.1 Applications 20.2 Quality 20.3 Power supply 20.4 Electrode 20.5 Shielding gas 21 Gas metal arc welding 21.1 0verview 21.2 Welding gun and wire feed unit 21.3 Power supply 21.4 Electrode 21.5 Shielding gas 21.6 Quality 21.7 Metal transfer modes 22 Plasma arc welding 22.1 Process description 22.2 Plasma torch 22.3 Wire feeder 22.4 Shielding gases 22.5 Key process variables 22.6 Advantages and disadvantages 23 Submerged arc welding 23.1 Key SAW process variables 23.2 Applications 23.3 Application restriction 23.4 Welding circuit and current 23.5 Advantages and limitations 24 Resistance spot welding 24.1 Applications 24.2 HOW it works 24.3 Weldability 24.4 Welding heat and current 24.5 Types of electrodes 24.6 Types of bonds 24.7 Advantages and disadvantages 25 Resistance seam welding 26 Electroslag welding 26.1 History 26.2 Benefits 27 Exothermic welding 27.1 Welding principle 27.2 Applications 27.3 Rail welding 28 Laser beam welding 28.1 0verview
28.2 History 28.3 Laser welding VS.arc welding 28.4 Welding principle 28.5 Welding characteristics 28.6 Types of welds 28.7 Applications 28.8 Advantages and disadvantages 29 Electron beam welding 29.1 0verview 29.2 Beam formation 29.3 Penetration of electron beam 29.4 Weldability 29.5 Joining dissimilar materials 29.6 Possible problems and limitations 30 Friction welding 30.1 0verview 30.2 Key factors 30.3 Types of friction welding 31 Friction stir welding 31.1 0verview 31.2 Key parameters 31.3 Flow of material 31.4 Applications 31.5 Advantages and disadvantages 32 Explosive welding 32.1 0verview 32.2 Development 32.3 Advantages and disadvantages 33 Brazing 33.1 Overview 33.2 Base brazing metals 33.3 Brazing filler metals 33.4 Principles 33.5 Tips 33 6 Processes 34 Soldering 34.1 Overview 34.2 iFypes of soldering 34.3 Soldering tips 34.4 Solder。types 34.5 Application of solder 34.6 Differences between brazing vs welding and soldering 35 3D printing add additive manufacturing 35.1 Introduction 35.2 。Additive Manufactur4ng。Technologies 35.3 Modeling 35.4 Printing 35.5 Materials 35.6 Multi-material 3D printing 第二部分 專業英語翻譯
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