Friction Stir Welding of 2XXX Aluminum Alloys including Al-Li Alloys ( Friction Stir Welding and Processing )

Publication series ：Friction Stir Welding and Processing

Author： Mishra   Rajiv S.;Sidhar   Harpreet  

Publisher： Elsevier Science‎

Publication year： 2016

E-ISBN: 9780128092927

P-ISBN(Paperback): 9780128053683

Subject： TG453 Pressure welding

Keyword： 冶金工业,工程材料学,一般工业技术

Language： ENG

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Description

Friction Stir Processing of 2XXX Aluminum Alloys including Al-Li Alloys is the latest edition in the Friction Stir Welding and Processing series and examines the application of friction stir welding to high strength 2XXX series alloys, exploring the past and current developments in the field. The book features recent research showing significant benefit in terms of joint efficiency and fatigue performance as a result of friction stir welding.

Friction stir welding has demonstrated significant benefits in terms of its potential to reduce cost and increase manufacturing efficiency of industrial products including transportation, particularly the aerospace sector. The 2XXX series aluminum alloys are the premium aluminum alloys used in aerospace.

The book includes discussion of the potential future directions for further optimization, and is designed for both practicing engineers and materials scientists, as well as researchers in the field.

  • Provides comprehensive coverage of friction stir welding of 2XXX series alloys
  • Discusses the physical metallurgy of the alloys
  • Includes physical metallurgy-based guidelines for obtaining high joint efficiency
  • Features illustrated examples of the application of FSW in the aerospace industry

Chapter

Front Cover

Friction Stir Welding of 2XXX Aluminum Alloys Including Al—Li Alloys

Copyright Page

Contents

Preface to This Volume of Friction Stir Welding and Processing Book Series

1 Friction Stir Welding

1.1 Friction Stir Welding of Aluminum Alloys

1.2 Microstructural Evolution in FSW of Precipitation Strengthened Aluminum Alloys

1.2.1 Weld Nugget

1.2.2 Thermomechanical Affected Zone

1.2.3 Heat-Affected Zone

1.3 Process Variables

1.3.1 FSW Tools

1.4 FSW Parameters

1.5 FSW Joint Configuration

References

2 Physical Metallurgy of 2XXX Aluminum Alloys

2.1 Introduction

2.2 Weldability of Precipitation-Strengthened Aluminum Alloys

2.3 Classification of 2XXX Aluminum Alloys

2.4 Physical Metallurgy of 2XXX Aluminum Alloys

2.4.1 Physical Metallurgy of Al–Cu Alloys

2.4.2 Physical Metallurgy of Al–Cu–Mg Alloys

2.4.3 Physical Metallurgy of Al–Cu–Li Alloys

2.4.3.1 Al–Mg–Li System

2.4.3.2 Al–Cu–Li System

2.4.3.3 Al–Cu–Mg–Li–X System

2.4.4 Constituent Phases and Dispersoids

2.4.5 Effect of Predeformation

References

3 Temperature Evolution and Thermal Management During FSW of 2XXX Alloys

3.1 Temperature Evolution

3.2 Thermal Management

References

4 FSW of Al–Cu and Al–Cu–Mg Alloys

4.1 Introduction

4.2 FSW of Al–Cu Alloys

4.2.1 Microstructural Evolution

4.2.1.1 Weld Nugget

4.2.1.2 Thermomechanically Affected Zone

4.2.1.3 Heat Affected Zone

4.2.2 Mechanical Property Evolution

4.2.2.1 Hardness Evolution in AW Condition

4.2.2.2 Hardness Evolution in PWHT Condition

4.2.2.3 Tensile Properties

4.3 FSW of Al–Cu–Mg Alloys

4.3.1 Evolution of Microstructure and Hardness

4.3.1.1 Weld Nugget

4.3.1.2 Heat Affected Zone—Low Hardness Zones

4.3.1.3 Welding Parameters and Natural Aging Response

4.3.2 Mechanical Behavior

References

5 Friction Stir Welding of Al–Li Alloys

5.1 Introduction

5.2 FSW of Al–Mg–Li Alloys

5.2.1 Hardness and Microstructural Evolution

5.3 FSW of Al–Cu–Li Alloys

5.3.1 Microstructure and Hardness Evolution

5.3.1.1 Weld Nugget

5.3.1.2 Thermomechanically Affected Zone

5.3.1.3 Heat Affected Zone

5.3.2 Effect of Alloy Chemistry and Postweld Heat Treatment

References

6 Physical Metallurgy-Based Guidelines for Obtaining High Joint Efficiency

Reference

7 Summary and Future Outlook

Back Cover

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