Written by expert authors from both academia and industry with considerable experience in laser material processing, manufacturing and remanufacturing, this book covers the fundamentals, basic science and technologies involved in laser remanufacturing with applications for the repair of worn mechanical components. It introduces the advantages of laser–based remanufacturing technologies and activities as well as the relevant phenomena observed. Several laser remanufacturing techniques and their relevant processing parameters, systems, quality controls and characteristics of the remanufactured parts are discussed, as are efficiency assessment, remanufactured product cycling, technical design and management.
Based on the authors′ research and practice over the last three decades but also incorporating results and examples from other researchers and organizations worldwide, this useful guide includes real–life case studies and numerous examples of applications in various industrial fields, such as transportation vehicles, steel and iron production, energy industries, engineering mechanism, and chemical industries.
Based on the authors′ research and practice over the last three decades but also incorporating results and examples from other researchers and organizations worldwide, this useful guide includes real–life case studies and numerous examples of applications in various industrial fields, such as transportation vehicles, steel and iron production, energy industries, engineering mechanism, and chemical industries.
Table of Contents
1 Introduction1.1 Definition of remanufacturing
1.2 The society need for remanufacturing
1.3 History of remanufacturing
1.4 Basic remanufacturing science technologies
1.5 Applications of remanufacturing
1.6 Trends of remanufacturing
2 Background of laser based remanufacturing, LBR
2.1 Laser materials processing
2.2 Functions of laser based remanufacturing
2.3 Classification of laser based remanufacturing technology
2.4 An overview of the historical developments of LBR
3 Fundamentals of laser based remanufacturing
3.1 Basic knowledge of lasers used in LBR
3.2 Phenomena of laser beam interaction with metals
3.3 Laser heating metals
3.4 Physical metallurgy of LBR
3.5 Material systems for LBR
4 LBR with laser additive layer manufacturing technology
4.1 Laser additive layer manufacturing introduction
4.2 Temperature fields during laser metal deposition
4.3 Residual stress in LBR metal parts
4.4 Microstructure characteristics of laser deposited materials
4.5 Property advantages of laser deposition
4.6 Modelling of laser additive layer manufacturing process
4.7 Stereo–solid remanufacturing by lasers
4.8 Applications of laser additive layer manufacturing for LBR
5 Laser welding for remanufacturing
5.1 Introduction of laser welding techniques
5.2 Methods and mechanisms of laser welding
5.3 Process of laser welding for LBR
5.4 Applications examples for LBR
6 Laser cutting for remanufacturing
6.1 Introduction on laser cutting
6.2 Theory of laser cutting
6.3 Process of laser cutting
6.4 Applications of laser cutting for LBR
7 Laser cleaning for remanufacturing
7.1 Introduction of laser cleaning
7.2 Mechanisms of laser cleaning
7.3 Process of laser cleaning
7.3 Applications of laser cleaning for LBR
8 Efficiency assessment of LBR
8.1 Environmental benefits
8.2 Social benefits
8.3 Economic benefits
9 Non–destructive testing and evaluation for laser remanufactured products
9.1 Introduction on NDT methods
9.2 Defects and their detections
9.3 Residual stress
9.4 Evaluation on performance of laser remanufactured products
10 Systems engineering and management in LBR
10.1 Sustainable cycling of products and components
10.2 Industrial activities on LBR
10.3 Product cycling and management for LBR
10.4 Technical standards on LBR
11 Applications and examples
11.1 Purposes and rules of LBR applications
11.2 Engineering design of laser remanufacturing processes
11.3 Application examples
– Transportation vehicles
– Steel and iron production
– Energy industries
– Engineering mechanism
– Chemical industries
11.4 Future prospects
12 Laser safety in LBR
12.1 Laser classification
12.2 Safety rules and regulations
12.3 The safety limits
12.4 Damage to human body from typical Class 4 laser
12.5 Risks from LBR
12.6 The laser hazards and dangers
12.7. Safety measures in LBR