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Principles and Technologies of Welding
发布时间:2023年12月26日 17:37    作者:    点击:[]

课程编号

0390022

课程名称

中文:焊接原理与技术

英文:Principles and Technologies of Welding

任课教师

陈茂爱

主要教材


参考书目


课程说明

在阐述焊接过程中的物理原理及其应用,重点学习先进焊接技术。

Study of the   application of physical principles of welding processes and equipment;   Understand how the physical laws affect the observed phenomenon in welding   processes.

Be in a better   position to predict the effects of welding variable changes on behavior of   metal transfer and weld pool

Understand the   feature and design of electrical power supplies and systems for advanced arc   welding process.

内容简介

(系统填写要求不少于200字)

课程主要内容如下

Chapter 1 The Essence of welding (焊接过程中的物理原理)

1.1 The nature   of an ideal weld: achieving continuity (焊接的本质-冶金连续性)  

1.2 What it   takes to make a real weld (如何取得冶金连续性)

1.3. Advantages   and disadvantages of welding(焊接的优缺点)

1.4 Mechanisms   for obtaining material continuity (冶金结合机理)

1.5 The roles of   temperature and pressure (温度及压力在焊接过程中的作用)

1.6. The AWS   classification scheme(焊接分类)


Chapter 2 Energy for welding (焊接用能源)

2.1 Source of   energy for welding (焊接能源)

2.2 transferred power, energy density (热输入、功率密度)

2.3 Energy distribution(功率密度分布)

2.4 Energy input to a weld (输入至工件的热量)

2.5 Transfer efficiency of processes (热效率系数)

2.6 Effects of energy density and distribution (功率密度及分布的影响)


Chapter 3 The physics of welding 焊接物理)

3.1 The Physics   of an Electric Arc (焊接电弧)

3.2 Volt- Ampere   Characteristics for Welding (电弧导电特性)

3.3 The physics   of a plasma (等离子体物理)


Chapter 4 Molten   metal transfer in consumable electrode arc welding(熔滴过渡)

4.1. Forces   contribution to molten metal transfer in welding(熔滴受力及作用)

4.2. Free-flight   transfer modes (自由过渡)

4.3. Bridging or   short-circuiting transfer modes(接触过渡)

4.4. Pulsed-arc   or pulsed-current transfer (脉冲过渡)

4.5.   Slag-protected transfer(渣壁过渡)


Chapter 5 Weld pool behaviors (熔池行为)

5.1 Origin of convection (熔池对流的原因)

5.2 Effects of convection (对流的影响)

5.3 Weld pool oscillation (熔池震荡)

5.4 Weld pool evaporation and its effects (熔池蒸发及影响)


Chapter 6 Advanced welding technology (先进焊接技术)

6.1 CMT and STT Welding CMT焊接)

6.2 T.I.M.E Welding T.I.M.E焊接)

6.3 PA-MIG welding (等离子-MIG复合焊)

6.4 Time TWIN welding (双丝MIGMAG焊)

6.5 Laser-Arc hybrid welding(激光-电弧复合焊)

6.6 TIG-MIG hybrid welding(TIG-MIG复合焊)


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