- Артикул:00-01120869
- ISBN: 978-1-98463-442-9
- Обложка: Мягкая обложка
- Издательство: BIBLIOTEX (все книги издательства)
- Страниц: 326
- Год: 2020
- Вес: 815 г
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Издание на английском языке
This book is a modern guide to welding technology, covering the main methods and applications in industry. It covers in detail the principles of arc welding, power sources, weld joint design, and process automation, such as robotic welding and narrow-neck welding. Particular attention is paid to weld reliability and safety, quality control methods, and improving the durability of joints. This book is intended for students, engineers, and professionals beginning to master the fundamentals and advanced practices of welding and will become an indispensable resource for anyone involved in the fabrication and assembly of metal structures.
Content
Preface
Chapter 1. Introduction to Welding
Introduction
1.1. Welding
1.1.1. Definition of Welding
1.1.2. Need for Welding
1.1.3. Advantages of Welding
1.1.4. Disadvantages of Welding
1.1.5. Application of Welding
1.2. Welding Equipment
1.2.1. Accessory Equipment
1.2.2. Safety or Protective Equipment
1.2.3. Common Terms of Welding
1.2.4. Classification of Welding Processes
1.2.5. Types of Welding
1.2.6. The History of Welding
1.3. Weld Joints
1.3.1. Corner Joint
1.3.2. Edge Joint
1.3.3. Lap Joint
1.3.4. Tee Joint
1.3.5. Butt Joints
1.4. Welding Symbols
1.4.1. Reference Line
1.4.2. Arrow and Other Side
1.4.3. Weld Symbols
1.4.4. Dimensions and Other Data
1.4.5. Supplementary Symbols
1.4.6. Finish Symbols
1.4.7. Tail
1.4.8. Specifications, Process, or Other Information
Summary
Knowledge Check
Review Questions
References
Chapter 2. Physics of Welding Arc
Introduction
2.1. Arc Welding Fundamentals
2.1.1. Basic Welding Circuit
2.1.2. Arc Shielding
2.1.3. Nature of the Arc
2.1.4. Emission of Free Electrons
2.1.5. Zones in Arc Gap
2.1.6. Electrical Fundamentals of Welding Arc
2.2. Methods of Initiating and Maintenance of the Welding Arc
2.2.1. Arc Initiation
2.2.2. Maintenance of Arc
2.2.3. Arc Characteristic
2.2.4. Temperature of the Arc
2.3. Arc Forces and Arc Efficiency
2.3.1. Arc Forces and Their significance on Welding
2.3.2. Effect of Electrode Polarity
2.3.3. Arc Blow
2.3.4. Arc Efficiency
2.3.5. Metal Transfer
2.3.6. Melting Rate
Summary
Knowledge Check
Review Questions
References
Chapter 3. Welding Power Sources
Introduction
3.1. Characteristics of Power Source
3.1.1. Open Circuit Voltage (OCV)
3.1.2. Power Factor (PF)
3.1.3. Static Characteristic of Power Source
3.2. Constant Voltage Characteristics of a Welding Power Source
3.2.1. Selection of a Static Volt-Ampere Characteristic for a Welding Process
3.2.2. Dynamic Volt-Ampere Characteristics of a Welding Power Source
3.3. Dynamic Characteristics of Welding Power Sources
3.3.1. Rising Characteristics
3.3.2. Dynamic characteristic
3.3.3. Duty Cycle
Summary
Knowledge Check
Review Questions
References
Chapter 4. Design of Weld Joints
Introduction
4.1. Weld Joint
4.1.1. Modes of Failure of the Weld Joints
4.1.2. Design of Weld. Joints and Mechanical Properties
4.1.3. Factors Affecting the Performance of the Weld Joints
4.1.4. Design of Weld Joints and Loading Conditions
4.1.5. Need of Welding Symbols
4.1.6. Types of Weld Joints
4.1.7. Types of Weld
4.1.8. Types of Welding Position
4.2. Need for Edge Preparation in Welding
4.2.1. Groove Weld
4.2.2. Factors Affecting Selection of Suitable Groove Geometry for Edge Preparation
4.2.3. Welding and Weld Bead Geometry
4.3. Design Aspects of Weld Joint
4.3.1. Design of Weld Joint for Static Loading
4.3.2. Design of Fillet Welds
4.3.3. Design of Butt Weld Joint
4.4. Design of Weld Joints for Fatigue Loading
4.4.1. Procedure of Weld Joint Design for Fatigue Loading
4.4.2. Factors Affecting Fatigue Life
4.4.3. Material Characteristics
4.4.4. Environment
4.5. Parameters Related with Welding
4.5.1. Welding Procedure
4.5.2. Welding Process
4.5.3. Welding Consumables
4.5.4. Post Weld Heat Treatment
4.6. Improving the Fatigue Performance of the Weld Joints
4.6.1. Increasing Load Carrying Capacity of the Weld
4.6.2. Reducing Stress Raisers
4.6.3. Developing Compressive Residual Stress
Summary
Knowledge Check
Review Questions
References
Chapter 5. Performance of Gas Welding
Introduction
5.1. Gas Welding Process
5.1.1. Inert Gas Welding
5.1.2. Gas Metal Arc Welding
5.1.3. Different Types of Flames in Gas Welding
5.1.4. Use of Gas in MIG Welding
5.1.5. Need of Welding Torch
5.1.6. Types of Gas Welding
5.1.7. Gas Welding and Gas Cutting
5.1.8. Thermochemical Processes
5.2. Progression in Weld Pass
5.2.1. Weld Pass Performance Accordance with WPS
5.2.2. Defect Checking and Repairing in Welding
5.2.3. Visual Inspection of Welded
5.2.4. Clean Weld Pass
5.2.5. Task Perform in Safety Procedure
5.3. Gas Welding in Carbon Steel Plates and Tubes
5.3.1. Perform Surface Preparation
5.3.2. Gas Welding Equipment and Accessories
5.3.3. Importance of Personal Protective Equipment (PPE)
5.3.4. Tanks or Cylinders Secured in a proper place
Summary
Knowledge Check
Review Questions
References
Chapter 6. Cutting and Surface Cladding Methods
Introduction
6.1. Thermal Cutting
6.1.1. Oxy-fuel Cutting
6.1.2. Plasma Cutting
6.1.3. Laser Cutting
6.2. Hard Facing
6.2.1. Types of Wear
6.2.2. Cladding Materials and Welding Methods
6.3. Thermal Spraying
6.3.1. Principle
6.3.2. Flame Spraying
6.3.3. High-Velocity Flame Spraying
6.3.4. Arc Spraying
6.3.5. Plasma Spraying
6.3.6. Detonation Spraying
6.3.7. Thermal Spraying and the Work Environment
Summary
Knowledge Check
Review Questions
References
Chapter 7. Robot Welding and Weldability of Steel
Introduction
7.1. Narrow-Gap Welding
7.1.1. Narrow-gap MIG
7.1.2. Narrow-gap TIG
7.1.3. Narrow-gap Submerged Arc welding
7.2. Arc Welding Using Robots
7.2.1. Programming the Robot
7.2.2. Welding in Flexible Manufacturing Systems
7.2.3. Extending the Working Area
7.2.4. Safety
7.2.5. Tools and Tool Maintenance
7.2.6. Tolerances
7.2.7. Joint Location and Joint Tracking
7.2.8. Joint Location
7.2.9. Joint Tracking
7.2.10. Advantages and Drawbacks
7.3. Mechanized TIG Welding
7.3.1. Process Parameters
7.4. Soldering and Brazing
7.4.1. Types of Joints
7.4.2. Different Types of Methods
7.4.3. Soft Soldering
7.4.4. Brazing
7.4.5. Braze Welding
7.4.6. Arc Brazing
7.4.7. Laser Beam Brazing
7.5. Ferrite Formation
7.5.1. Intercrystalline Corrosion
7.5.2. Stress Corrosion
7.5.3. Tool Steels
7.5.4. Welding Stresses
7.5.5. Ferritic Steels
7.5.6. Martensitic Steels
7.5.7. Ferritic-Austenitic Steels
7.5.8. Martensitic-Austenitic Steels
7.5.9. Welding of Dissimilar Materials
Summary
Knowledge Check
Review Questions
References
Index