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The Influence Of Precipitate Type On The Elastic Properties Of Aluminum Copper Lithium Alloys
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Book Synopsis The Influence of Precipitate Type on the Elastic Properties of Aluminum-copper-lithium Alloys by : Mary Eileen O'Dowd
Download or read book The Influence of Precipitate Type on the Elastic Properties of Aluminum-copper-lithium Alloys written by Mary Eileen O'Dowd and published by . This book was released on 1987 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aluminum-Lithium Alloys by : K. Satya Prasad
Download or read book Aluminum-Lithium Alloys written by K. Satya Prasad and published by Elsevier Inc. Chapters. This book was released on 2013-09-20 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: This chapter reviews the precipitation and precipitate phases that occur during heat treatments in multi-component Al-Li based alloys. It describes aspects related to nucleation, growth, morphology and orientation relationships of the strengthening precipitates δ’ and T1, the toughening precipitate S’ and the recrystallisation-inhibiting precipitate β’. Equilibrium precipitate phases such as T2, which are deleterious to the mechanical and corrosion properties of the alloys, are also described. It is shown that careful alloy chemistry control, two-step homogenization and controlled stretching prior to ageing can be employed to improve the volume fraction and distribution of the precipitate phases. All these processing aspects are necessary to achieve optimum combinations of properties for the alloys.
Book Synopsis Aluminum-Lithium Alloys by : N Eswara Prasad
Download or read book Aluminum-Lithium Alloys written by N Eswara Prasad and published by Butterworth-Heinemann. This book was released on 2013-09-20 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Aluminum-Lithium Alloys by : K.V. Jata
Download or read book Aluminum-Lithium Alloys written by K.V. Jata and published by Elsevier Inc. Chapters. This book was released on 2013-09-20 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: This chapter describes the development of crystallographic texture and its effects on mechanical properties in aluminum-lithium alloys. Crystallographic texture evolves during the forming of wrought products from cast ingots of Al-Li alloys and consequently affects the mechanical properties. Practical approaches to control the texture have been developed and have been successfully used in the products obtained from industrial-scale ingots. This texture tailoring has significantly reduced the yield strength anisotropy. In addition, theoretical approaches have been used to model the yield strength anisotropy of aluminum alloys in the presence of complex precipitates.
Book Synopsis Aluminium-Lithium Alloys III by : Colin Baker
Download or read book Aluminium-Lithium Alloys III written by Colin Baker and published by Institute. This book was released on 1986 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aluminium-lithium Alloys written by and published by . This book was released on 1986 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aluminum-Lithium Alloys by : N. Eswara Prasad
Download or read book Aluminum-Lithium Alloys written by N. Eswara Prasad and published by Elsevier Inc. Chapters. This book was released on 2013-09-20 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The low cycle fatigue (LCF) and high cycle fatigue (HCF) properties of Al–Li alloys are influenced by alloy composition, microstructural characteristics, tensile stretching prior to artificial aging, and crystallographic texture. In general the fatigue properties, notably the notched HCF resistances, of Al–Li alloys are similar to those of conventional aerospace aluminium alloys. Alloy development programs on newer Al–Li alloys aim to study further the effects of minor alloying additions (rare earths, beryllium, silver and TiB); various thermomechanical treatments; alloy microstructure, notably crystallographic texture and grain size; and the fatigue load history and environment on the mechanical behavior, including the fatigue properties. It is important to note that the occurrence of bilinearity in LCF life-dependence on strain amplitude in most Al–Li alloys engenders the overestimation of the LCF lives in both the hypo-transition (lower strain amplitudes; longer fatigue lives) and hyper-transition (higher strain amplitudes; shorter fatigue lives) regions if the lives are estimated by extrapolation from either of these regions. Further, in cases such as in Al-Li alloys where there are large differences in strength-based (Basquin-like) and plastic strain – based (Coffin-Manson) power-law relationships, it is appropriate to develop an alloy design philosophy based on either plastic strain energy per cycle (Halford-Morrow) or fatigue toughness (total plastic strain energy to fracture). All of these aspects are discussed in detail in this chapter.
Book Synopsis Aluminum-lithium Alloys by : Ramesh J. Kar
Download or read book Aluminum-lithium Alloys written by Ramesh J. Kar and published by . This book was released on 1988 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Composition Dependence of the Mechanical Properties of −ga−s-phase Copper-aluminum Alloys by : William Evans Nixon
Download or read book Composition Dependence of the Mechanical Properties of −ga−s-phase Copper-aluminum Alloys written by William Evans Nixon and published by . This book was released on 1971 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of the elastic behavior of al-li-x alloys by : Wolfgang W. Ruch
Download or read book Investigation of the elastic behavior of al-li-x alloys written by Wolfgang W. Ruch and published by . This book was released on 1987 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this research is to identify and understand critical parameters governing the elastic moduli of commercially important Al-Li-X alloys (X designates copper, magnesium or both). The basic knowledge gained during the project can be used toward further development aluminum-lithium alloys in terms of optimized stiffness. The Young's modulus, shear modulus and Poisson's ratio are calculated from the density and the propagation rate of longitudinal and transverse 10 MHz ultrasonic waves.
Book Synopsis Aluminum-Lithium Alloys by : N.J.H. Holroyd
Download or read book Aluminum-Lithium Alloys written by N.J.H. Holroyd and published by Elsevier Inc. Chapters. This book was released on 2013-09-20 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Industrial interest in wrought heat-treatable aluminium-lithium (Al–Li) based alloys dates back to around 1919 in Germany. However the exploitation of these alloys has historically been limited by their mechanical property anisotropy and concerns over their localized corrosion resistance and temperature stability. Recently, in the last ten years, alloy and process development has resulted in alloy compositions and thermomechanical treatments that potentially can overcome these issues. To put these developments in perspective we have reviewed the corrosion characteristics of first, second and third generation alloys with an emphasis on localized corrosion (intergranular and exfoliation) and stress corrosion cracking (SCC). Intergranular corrosion susceptibility of Al–Li–Cu and Al–Li–Cu–Mg alloys increases with copper content, and the depth of attack increases with ageing, i.e. UAPA~30 mm) further analysis of corrosion test results is required.
Book Synopsis The Mechanical Properties of Aluminum-Lithium Alloy by : M. E. Drits
Download or read book The Mechanical Properties of Aluminum-Lithium Alloy written by M. E. Drits and published by . This book was released on 1973 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was made of the elastic and mechanical properties of alloys of the aluminum lithium system enriched with aluminum. The alloy of aluminum with 3-4% Li, possessing high values of Young's modulus, tensile strength, and yield point together with satisfactory ductility and corrosion resistance, may be of greatest practical interest. Alloys containing more than 3% Li should have a major advantage in operation under compression. The use of alloys with a high lithium content is limited by the reduced corrosion resistance and increased brittleness caused by the presence of a large quantity of the brittle and chemically active compound LiAl.
Download or read book Aluminum written by John E. Hatch and published by ASM International. This book was released on 1984-01-01 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive information for the American aluminium industry Collective effort of 53 recognized experts on aluminium and aluminium alloys Joint venture by world renowned authorities-the Aluminium Association Inc. and American Society for Metals. The completely updated source of information on aluminium industry as a whole rather than its individual contributors. this book is an opportunity to gain from The knowledge of the experts working for prestigious companies such as Alcoa, Reynolds Metals Co., Alcan International Ltd., Kaiser Aluminium & Chemical Corp., Martin Marietta Laboratories and Anaconda Aluminium Co. It took four years of diligent work to complete this comprehensive successor to the classic volume, Aluminium, published by ASM in 1967. Contents: Properties of Pure Aluminum Constitution of Alloys Microstructure of Alloys Work Hardening Recovery, Recrystalization and Growth Metallurgy of Heat Treatment and General Principles of Precipitation Hardening Effects of Alloying Elements and Impurities on Properties Corrosion Behaviour Properties of Commercial Casting Alloys Properties of Commercial Wrought Alloys Aluminum Powder and Powder Metallurgy Products.
Author :Committee on New Materials for Advanced Civil Aircraft Publisher :National Academies Press ISBN 13 :0309588782 Total Pages :99 pages Book Rating :4.3/5 (95 download)
Book Synopsis New Materials for Next-Generation Commercial Transports by : Committee on New Materials for Advanced Civil Aircraft
Download or read book New Materials for Next-Generation Commercial Transports written by Committee on New Materials for Advanced Civil Aircraft and published by National Academies Press. This book was released on 1996-03-29 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major objective of this book was to identify issues related to the introduction of new materials and the effects that advanced materials will have on the durability and technical risk of future civil aircraft throughout their service life. The committee investigated the new materials and structural concepts that are likely to be incorporated into next generation commercial aircraft and the factors influencing application decisions. Based on these predictions, the committee attempted to identify the design, characterization, monitoring, and maintenance issues that are critical for the introduction of advanced materials and structural concepts into future aircraft.
Book Synopsis Age-hardenable Aluminium Alloys by : István Kovács
Download or read book Age-hardenable Aluminium Alloys written by István Kovács and published by . This book was released on 1987 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents more than 60 papers on various topics of current interest, concerning the development of new types of alloys, trace elements, analytical techniques, the physics of the decomposition process, dislocation structure and technological applications.
Book Synopsis Effect of Thermal Processing Practices on the Properties of Superplastic Al-Li Alloys by : Stephen J. Hales
Download or read book Effect of Thermal Processing Practices on the Properties of Superplastic Al-Li Alloys written by Stephen J. Hales and published by . This book was released on 1993 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
