Aluminum-lithium Alloys: Processing, Properties, And Applications

Paperback | October 30, 2017

byN Eswara PrasadEditorAmol Gokhale, R.j.h Wanhill

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Because lithium is the least dense elemental metal, materials scientists and engineers have been working for decades to develop a commercially viable aluminum-lithium Al-Li alloy that would be even lighter and stiffer than other aluminum alloys. The first two generations of Al-Li alloys tended to suffer from several problems, including poor ductility and fracture toughness; unreliable properties, fatigue and fracture resistance; and unreliable corrosion resistance. Now, new third generation Al-Li alloys with significantly reduced lithium content and other improvements are promising a revival for Al-Li applications in modern aircraft and aerospace vehicles. Over the last few years, these newer Al-Li alloys have attracted increasing global interest for widespread applications in the aerospace industry largely because of soaring fuel costs and the development of a new generation of civil and military aircraft. This contributed book, featuring many of the top researchers in the field, is the first up-to-date international reference for Al-Li material research, alloy development, structural design and aerospace systems engineering. Provides a complete treatment of the new generation of low-density AL-Li alloys, including microstructure, mechanical behavoir, processing and applications Covers the history of earlier generation AL-Li alloys, their basic problems, why they were never widely used, and why the new third generation Al-Li alloys could eventually replace not only traditional aluminum alloys but more expensive composite materials Contains two full chapters devoted to applications in the aircraft and aerospace fields, where the lighter, stronger Al-Li alloys mean better performing, more fuel-efficient aircraft

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From the Publisher

Because lithium is the least dense elemental metal, materials scientists and engineers have been working for decades to develop a commercially viable aluminum-lithium Al-Li alloy that would be even lighter and stiffer than other aluminum alloys. The first two generations of Al-Li alloys tended to suffer from several problems, including...

Dr. Prasad's work on Al-Li alloys includes alloy development, extensive characterization of mechanical properties and directions for future alloy development. Dr. Prasad has published nearly 120 original and comprehensive research articles in peer-reviewed national and international journals, conference proceedings as well as several c...

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Format:PaperbackDimensions:608 pages, 8.75 × 6.35 × 0.68 inPublished:October 30, 2017Publisher:Butterworth (trade)Language:English

The following ISBNs are associated with this title:

ISBN - 10:0128100826

ISBN - 13:9780128100820

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Table of Contents

Part I: Introduction to Al-Li Alloys

Ch 1. Historical Development and Present Status of Al-Li Alloys

Ch 2. Aerostructural Design and its Application to Al-Li Alloys

Part II: Physical Metallurgy

Ch 3. Phase Diagrams and Phase Reactions

Ch 4. Microstructural Evolution in Al-Li Alloys

Ch 5. Texture and Texture Development in Al-Li Alloys

Ch. 6 Strengthening Mechanisms

Part III: Processing Technologies

Ch 7. Melting and Casting

Ch 8. Workability: Rolling, Forging, Extrusion and Forming

Ch 9. Superplasticity in and Superplastic Forming of Al-Li Alloys

Ch 10. Joining Technologies of Al-Li Alloys

Part IV: Mechanical Behavior

Ch 11. Tensile Deformation Behavior and Anisotropy

Ch 12. Fatigue Behavior

Ch 13. Fracture Behavior

Ch 14. Corrosion and SCC Behavior

Part V: Applications

Ch 15. Aerospace Applications of Aluminum-Lithium Alloys

Ch 16. Airworthiness Certification of Metallic Materials