Microstructural And Mechanical Property Characterization Of Shear Formed Aerospace Aluminum Alloys
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Author | : Lillianne P. Troeger |
Publisher | : |
Total Pages | : 64 |
Release | : 2000 |
Genre | : Alloys |
ISBN | : |
Advanced manufacturing processes such as near-net-shape forming can reduce production costs and increase the reliability of launch vehicle and airframe structural components through the reduction of material scrap and part count and the minimization of joints. The current research is an investigation of the processing-microstruture-property relationships for shear formed cylinders of the Al-Cu-Li-Mg-Ag alloy 2195 for space applications and the Al-Cu-Mg-Ag alloy C415 for airframe applications. Cylinders which had undergone various amounts of shear-forming strain were studied to correlate the grain structure, texture, and mechanical properties developed during and after shear forming.
Author | : National Aeronautics and Space Adm Nasa |
Publisher | : Independently Published |
Total Pages | : 46 |
Release | : 2018-09-20 |
Genre | : Science |
ISBN | : 9781723860201 |
Advanced manufacturing processes such as near-net-shape forming can reduce production costs and increase the reliability of launch vehicle and airframe structural components through the reduction of material scrap and part count and the minimization of joints. The current research is an investigation of the processing-microstructure-property relationships for shear formed cylinders of the Al-Cu-Li-Mg-Ag alloy 2195 for space applications and the Al-Cu-Mg-Ag alloy C415 for airframe applications. Cylinders which had undergone various amounts of shear-forming strain were studied to correlate the grain structure, texture, and mechanical properties developed during and after shear forming.Troeger, Lillianne P. and Domack, Marcia S. and Wagner, John A.Langley Research CenterALUMINUM ALLOYS; MANUFACTURING; MECHANICAL PROPERTIES; SHEAR STRAIN; DEFORMATION; SHEARING; AIRFRAMES; CYLINDRICAL BODIES; STRUCTURAL DESIGN; TECHNOLOGY UTILIZATION
Author | : Lillianne P. Troeger |
Publisher | : |
Total Pages | : 45 |
Release | : 2000 |
Genre | : |
ISBN | : |
Author | : Marek Sroka |
Publisher | : MDPI |
Total Pages | : 132 |
Release | : 2021-01-13 |
Genre | : Science |
ISBN | : 3039437550 |
This book contains manuscripts related to alloys (engineering materials) to discuss potential materials, methods for improvement of the strength and cyclic properties of alloys, the stability of microstructures, the possible application of new (or improved) alloys, and the use of treatment for alloy improvement. The broad spectrum of topics included in the articles of this Special Issue demonstrates that research into the microstructural and mechanical characteristics of alloys represents a contemporary field. These topics are also envisaged to be of interest to scientists in other research centers, and we can still expect new developments in this investigation field.
Author | : Shahrooz Nafisi |
Publisher | : Springer |
Total Pages | : 372 |
Release | : 2016-09-19 |
Genre | : Technology & Engineering |
ISBN | : 3319403354 |
This book describes in great detail the semi-solid processing of aluminum alloys. The authors examine the fundamentals of semi-solid metal processing, provide guidelines for research, illustrate the tools that are employed, and explain the measured parameters for semi-solid processing characterization.
Author | : N Eswara Prasad |
Publisher | : Butterworth-Heinemann |
Total Pages | : 596 |
Release | : 2013-09-20 |
Genre | : Technology & Engineering |
ISBN | : 0124016790 |
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 | : Zhengdong Long |
Publisher | : Wiley-TMS |
Total Pages | : 0 |
Release | : 2009-02-01 |
Genre | : Technology & Engineering |
ISBN | : 9780873397353 |
This book presents advancements in aluminum for the marketplace, covering all aspects of the physical and mechanical metallurgy of alloys. It addresses fundamental and applied research as well as product development, testing and implementation of aluminum foil, sheet, plate, extrusions, forgings and composites for end applications including automotive, aerospace and marine transportation and packaging. Specific sections include development and applications; processing and properties; modeling; alloy characterization; corrosion and protection; and composites and foams.
Author | : Roger Lumley |
Publisher | : Elsevier |
Total Pages | : 862 |
Release | : 2010-11-25 |
Genre | : Technology & Engineering |
ISBN | : 0857090259 |
Aluminium is an important metal in manufacturing, due to its versatile properties and the many applications of both the processed metal and its alloys in different industries. Fundamentals of aluminium metallurgy provides a comprehensive overview of the production, properties and processing of aluminium, and its applications in manufacturing industries. Part one discusses different methods of producing and casting aluminium, covering areas such as casting of alloys, quality issues and specific production methods such as high-pressure diecasting. The metallurgical properties of aluminium and its alloys are reviewed in Part two, with chapters on such topics as hardening, precipitation processes and solute partitioning and clustering, as well as properties such as fracture resistance. Finally, Part three includes chapters on joining, laser sintering and other methods of processing aluminium, and its applications in particular areas of industry such as aerospace. With its distinguished editor and team of expert contributors, Fundamentals of aluminium metallurgy is a standard reference for researchers in metallurgy, as well as all those involved in the manufacture and use of aluminium products. Provides a comprehensive overview of the production, properties and processing of aluminium, and its applications in manufacturing industries Considers many issues of central importance in aluminium production and utilization considering quality issues and design for fatigue growth resistance Metallurgical properties of aluminium and its alloys are further explored with particular reference to work hardening and applications of industrial alloys
Author | : Hugh J. McQueen |
Publisher | : CRC Press |
Total Pages | : 596 |
Release | : 2016-04-19 |
Genre | : Technology & Engineering |
ISBN | : 1420017683 |
A comprehensive treatise on the hot working of aluminum and its alloys, Hot Deformation and Processing of Aluminum Alloys details the possible microstructural developments that can occur with hot deformation of various alloys, as well as the kind of mechanical properties that can be anticipated. The authors take great care to explain and differenti
Author | : Malgorzata Warmuzek |
Publisher | : ASM International |
Total Pages | : 127 |
Release | : 2004-01-01 |
Genre | : Technology & Engineering |
ISBN | : 1615030751 |
This atlas provides an in-depth understanding of the metallurgy and fracture behavior of aluminum-silicon casting alloys, which are used in a wide variety of automotive, aerospace, and consumer product applications. The atlas includes over 300 high-definition microfractographs of fracture profiles and fracture surfaces, accompanied with detailed descriptions and analysis of the fracture features and their significance in the selection, processing, properties, and performance of the alloy. The microfractographs are described and classified according to criteria described in detail in the introductory chapters in the book. The factors determining the fracture mechanism in these alloys, on the basis of their physical and mechanical properties and fracture mechanics, are described and analyzed. The set of micrographs in this atlas include several unique features: classification according to the alloy and its processing history, detailed analysis of selected microregions of the fracture surface, reference of the fracture features to the phase constituents of the alloy, and high resolution and high microscopic magnification of the SEM images. This book will be of great value to anyone involved in the selection, processing, application, testing, or evaluation of aluminum-silicon castings. The target audience includes metallurgists, foundry personnel, failure analysts, purchasers of castings, researchers in physical and mechanical metallurgy, students, and educators.