Aluminum-Lithium Alloys: Process Metallurgy, Physical Metallurgy, and Welding, 1st Edition (Hardback) book cover

Aluminum-Lithium Alloys

Process Metallurgy, Physical Metallurgy, and Welding, 1st Edition

By Olga Grushko, Boris Ovsyannikov, Viktor Ovchinnokov

CRC Press

308 pages | 197 B/W Illus.

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pub: 2016-08-26
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Aluminum–Lithium Alloys: Process Metallurgy, Physical Metallurgy, and Welding provides theoretical foundations of the technological processes for melting, casting, forming, heat treatment, and welding of Al–Li alloys. It contains a critical survey of the research in the field and presents data on commercial Al–Li alloys, their phase composition, microstructure, and heat treatment of the ingots, sheets, forgings, and welds of Al–Li alloys. It details oxidation kinetics, protective alloying, hydrogen in Al–Li alloys, and crack susceptibility. It also discusses grain structure and solidification, as well as structural and mechanical properties. The book is illustrated with examples of Al–Li alloy applications in aircraft structures. Based on the vast experience of the coauthors, the book presents recommendations on solving practical problems involved with melting and casting ingots, welding of Al–Li alloys, and producing massive stampings for welded products.

Provides comprehensive coverage of Al–Li alloys, not available in any single source.

Presents research that is at the basis of the production technology for of ingots and products made of Al–Li alloys.

Combines basic science with applied research, including upscaling and industrial implementation.

Covers welding of Al–Li alloys in detail.

Discusses gas and alkali-earth impurities in Al–Li alloys.

Describes technological recommendations on casting and deformation of Al–Li alloys.


"… gives a comprehensive and detailed overview about metallurgical details that are not so often shown in such books."

— Matthias Knuewer, Airbus Operations GmbH, Bremen, Germany

"The authors have done a stupendous job in bridging the knowledge gap in theoretical understanding of the AL-Li processes with the actual industry practices. The reader will find the treatment of molten metal quality control and its tie in with casting practice recipes to be of fundamental value. The book will become a desk reference for those metallurgists involved in the manufacturing of aerospace grade aluminum lithium alloys as well as a course book for students of aluminum cast house Technology for reactive alloys."

—Ravi Tilak, Almex USA, Inc., Buena Park, California, USA

"This ‘troika’ of authors has pulled together 265 references, mainly from Russian technical sources, and summarized the vast literature in eight concise and readable chapters, detailing not only the theoretical basis of Al-Li alloying but all the practical aspects of their production and fabrication."

Light Metal Age, December 2016

Table of Contents

Brief History of Aluminum–Lithium Alloy Creation

Theoretical Basis of Aluminum–Lithium Alloying with Controlled Lithium Content and Metallic and Nonmetallic Impurities

Kinetics of Aluminum Alloy Oxidation in Molten Condition

Oxidation Kinetics and Mechanism of Protective Alloying of Aluminum–Lithium Alloys

Thermodynamics of Molten Aluminum: Flux System

Selection of Inert and Protective Atmospheres

Nonmetallic Impurities and Alkali and Alkaline-Earth Element Impurities in Aluminum–Lithium Alloys

Hydrogen in Aluminum–Lithium Alloys

Interaction of Aluminum Alloys with Hydrogen

Changing of Hydrogen Content in Aluminum–Lithium Alloys Depending on the Conditions of Melting

About Forms of Hydrogen Presence in Lithium-Aluminum Alloys

Crack Susceptibility and Peculiarities of Casting Aluminum–Lithium Alloy Billets

Casting Crack Susceptibility Depending on Chemical Composition

Peculiarities of Casting Billets from Lithium–Aluminum Alloys

Aluminum–Lithium Alloy Grain Structure Solidification Conditions and Peculiarities

Ingot Heat Conductivity Properties and Solidification Conditions

Cylinder Billet Solidification

Flat Ingot Solidification

Conditions for the Generation of Zones with Variable Etchability in Aluminum–Lithium Alloys and Zone

Influence on Semifinished Product Properties

Grain Structure of Slabs of Aluminum Alloys Doped with Lithium

Principle of Nondendritic Structure Formation in Aluminum Alloy Slabs Avoiding Physical Influence on

Solidifying Metal

Hereditary Influence of Slab Grain Structure on Slab Flow Characteristics

Excess Hetero-Phasicity in 1420 Alloy Billets and Its Hereditary Influence on the Structure, Properties, and Weldability of Semifinished Products

Phases Formed by the Main Alloying Agents and Controlled Additives Traditional for Aluminum Alloys

Alkaline and Alkaline-Earth Elements in Aluminum–Lithium Alloys

Nature of Relationship between 1420 Alloy

Sodium Behavior Peculiarities in Lithium Alloys

Structure, Mechanical Properties, and Weldability of Alloy 1420 Die Forgings of Complicated Configuration versus Initial Slab Structure and Pressure Forming Modes

Principle of Structure Defect Development in Aluminum Alloys in Semifinished Products

Pressure Forming Modes versus the Structure, Properties, and Weldability of Alloy 1420 Forgings

Comparative Study of Structure and Mechanical Properties of Massive Alloy 1420 Die Forgings Produced per Various Forming Modes

Alloy 1420 Massive Die Forging Properties and Weldability versus Manufacturing Process Parameters and Structure

Aluminum–Lithium Alloy Welding Process Features

Aluminum–Lithium Alloy Electric Resistance Welding

Aluminum–Lithium Sheet Semifinished Product Fusion Welding Features

Wire-Filler Selection for Aluminum–Lithium Alloy Sheets Arc Welding

Welding Method versus Aluminum–Lithium Alloy Welded Joints Properties

Transformations at Heat Influence Zone at Aluminum–Lithium Alloy Welding Process

Aluminum–Lithium Alloy Laser Beam Welding Process Features

Aluminum–Lithium Alloy Friction Stir Welding Features

Weld Backups versus Aluminum–Lithium Alloy Welded Joints Properties

Aluminum–Lithium Alloy Multipass Welding

Aluminum–Lithium Alloy Electron Beam Welding




About the Authors

Dr. Sci. Olga Grushkograduated from Moscow State Aviation Technological University in 1959. She specializes in metallurgy and materials science for wrought aluminum alloys. Since 1959, she is working at the All-Russian Research Institute of Aviation Materials (VIAM) and during recent years as a chief scientist. Dr. Grushko is well known for the development of fundamental of a new class of wrought aluminum alloys—alloys with lithium. Her theoretical ideas and research are implemented in industrial production. Dr. Grushko is the author of 90 publications and 20 inventions, is a doctor of engineering sciences, and is a recipient of a state award from the Russian Federation.

Dr. Boris Ovsyannikovgraduated from Ural Federal University in 1979. He is a specialist in the field of melting, casting, and metallurgy of aluminum and magnesium wrought alloys and the technology of rare metals. Since 1984, he is working at Kamensk-Uralsky Metallurgical Works; he became chief metallurgist in 2011 and head of R&D in 2014. Dr. Ovsyannikov developed the scientific basis for melting, refining, and casting of aluminum alloys alloyed with lithium and rare earth metals. His theoretical developments are implemented in the industrial production of ingots in aluminum alloys alloyed with lithium and scandium. Dr. Ovsyannikov is the author of 95 publications and 28 inventions. He holds a PhD.

Prof. Dr. Sci. Victor Ovchinnikovgraduated from Moscow Aviation Technological Institute in 1978. He specializes in metallurgy and welding of wrought aluminum alloys. Since 1982, he is working at the Russian Aircraft Corporation JSC and is head of the Welding Laboratory. Prof. Ovchinnikov developed a scientific basis for fusion welding of aluminum–lithium alloys and methods for the prevention of porosity in joints. He implemented theoretical and practical developments in the manufacturing of welded aircraft structures. Prof. Ovchinnikov is the author of 470 publications and 110 inventions. He is doctor of engineering sciences, professor, full member of the International Informatics Academy, and has received an award for excellent invention in the aviation industry.

About the Series

Advances in Metallic Alloys

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