Aluminum-Lithium Alloys for Aerospace Applications Workshop PDF Download
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Author: Biliyar N. Bhat
Publisher:
ISBN:
Category : Aluminum-lithium alloys
Languages : en
Pages : 380
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Book Description
Author: Biliyar N. Bhat
Publisher:
ISBN:
Category : Aluminum-lithium alloys
Languages : en
Pages : 380
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Book Description
Author: N Eswara Prasad
Publisher: Butterworth-Heinemann
ISBN: 0124016790
Category : Technology & Engineering
Languages : en
Pages : 596
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Book Description
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
Author: R.J.H. Wanhill
Publisher: Elsevier Inc. Chapters
ISBN: 012806840X
Category : Technology & Engineering
Languages : en
Pages : 45
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Book Description
The structural and engineering property requirements for widespread deployment of aluminium-lithium (Al-Li) alloys in aircraft are discussed, particularly with respect to commercial transport aircraft. The development of Al-Li alloys has been driven mainly by the fact that additions of lithium to aluminium alloys lowers the density and increases the elastic modulus, thereby offering the potential of significant weight savings with respect to conventional (non-lithium containing) alloys. The first use of Al-Li alloys in aircraft goes back to the late 1950s (alloy AA 2020) and mid-1960s (alloys 1420 and 1421). These materials are referred to as the 1st generation Al-Li alloys. Subsequently there have been two major development programmes resulting in the 2nd and 3rd generation alloys. Development of the 2nd generation alloys began in the 1970s and continued through the 1980s. Attempts were made to develop families of Al-Li alloys for widespread replacement of conventional alloys. Ultimately this was unsuccessful except for ‘niche’ applications. The failure to find widespread application was associated largely with the too-high lithium contents of the alloys (typically more than 2 wt%). This resulted in serious disadvantages, including mechanical property anisotropy, low short-transverse ductility and fracture toughness, and thermal instability. Development of the 3rd generation Al-Li alloys began in the late 1980s and is ongoing. These alloys have significantly reduced lithium contents (0.75 – 1.8 wt%) and there are other important compositional changes. Silver and zinc have been added for strength, and zinc improves the corrosion resistance; and manganese is added besides zirconium, which was already present in 2nd generation alloys, to control recrystallization and texture. These differences and improved knowledge about thermomechanical processing and heat-treatment have resulted in a family of alloys with significant property advantages covering all major structural areas and applications for transport aircraft.
Author: Stephen J. Hales
Publisher: DIANE Publishing
ISBN: 1428996087
Category : Aluminum-lithium alloys
Languages : en
Pages : 54
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Author: Robert J. Richmond
Publisher:
ISBN:
Category : Liquid propellant rockets
Languages : en
Pages : 690
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Book Description
Author: R. J. Richmond
Publisher:
ISBN:
Category : Liquid propellant rockets
Languages : en
Pages : 644
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Book Description
Author: Eui Whee Lee
Publisher: Minerals, Metals, & Materials Society
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 632
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Book Description
The third in a series, this volume reviews and updates various aspects of light weight alloys for aerospace applications. Discussion topics include alloy development, material processing, microstructure characterization, mechanical behavior, detection and analysis, and application. Materials covered include conventional aluminum alloys, aluminum-lithium alloys, high temperature aluminum alloys, titanium alloys, magnesium alloys, and metal matrix composites.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702
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Author: Kumar Jata
Publisher: John Wiley & Sons
ISBN: 1118787846
Category : Technology & Engineering
Languages : en
Pages : 421
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Book Description
This proceedings volume from the 2001 TMS Annual Meeting & Exhibition covers advances made in the area of scientific understanding of technological application of lightweight alloys. Papers focus on fundamental science as well as application and concentrate on scientific advances in aluminum, magnesium, titanium, and beryllium alloys and their composites. Processing, structure-property relationship, failure mechanisms, and advanced joining themes are also discussed.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 292
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Book Description
