High-Strength Aluminum Casting Alloy for High-Temperature Applications (Msfc Center Director's Discretionary Fund Final Project No. 97-10) PDF Download
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Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781722278458 Category : Languages : en Pages : 24
Book Description
A new aluminum-silicon alloy has been successfully developed at Marshall Space Flight Center that has a significant improvement in tensile strength at elevated temperatures (550 to 700 F). For instance, the new alloy shows in average tensile strength of at least 90 percent higher than the current 390 aluminum piston alloy tested at 500 F. Compared to conventional aluminum alloys, automotive engines using the new piston alloy will have improved gas mileage, and may produce less air pollution in order to meet the future U.S. automotive legislative requirements for low hydrocarbon emissions. The projected cost for this alloy is less than $0.95/lb, and it readily allows the automotive components to be cast at a high production volume with a low, fully accounted cost. It is economically produced by pouring molten metal directly into conventional permanent steel molds or die casting. Lee, J. A. Marshall Space Flight Center ...
Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781722278458 Category : Languages : en Pages : 24
Book Description
A new aluminum-silicon alloy has been successfully developed at Marshall Space Flight Center that has a significant improvement in tensile strength at elevated temperatures (550 to 700 F). For instance, the new alloy shows in average tensile strength of at least 90 percent higher than the current 390 aluminum piston alloy tested at 500 F. Compared to conventional aluminum alloys, automotive engines using the new piston alloy will have improved gas mileage, and may produce less air pollution in order to meet the future U.S. automotive legislative requirements for low hydrocarbon emissions. The projected cost for this alloy is less than $0.95/lb, and it readily allows the automotive components to be cast at a high production volume with a low, fully accounted cost. It is economically produced by pouring molten metal directly into conventional permanent steel molds or die casting. Lee, J. A. Marshall Space Flight Center ...
Author: Michael V Glazoff Publisher: Elsevier ISBN: 0080550231 Category : Technology & Engineering Languages : en Pages : 545
Book Description
Casting Aluminum Alloys summarizes research conducted at Moscow Institute of Steel and Alloy during many decades in part together with Alcoa Inc. The research covered areas of the structure, properties, thermal resistance, corrosion and fatigue of aluminum alloys in industrial manufacturing. - Emphasis on interconnection among phase equilibria, thermodynamics and microstructure of alloys - Systematic overview of all phase diagrams with Al that are important for the development of casting aluminium alloys - Diagrams ("processing windows") of important technological properties such as castability, molten metal fluidity, tendency to hot pre-solidification cracking, porosity - Mathematical models for alloy mechanical properties facilitating the down-selection of best prospect candidates for new alloy development - New principles of design of eutectic casting aluminium alloys - Examples of successful novel casting alloy development, including alloys for high-strength applications, alloys with transition metals, and novel alloys utilizing aluminium scrap
Author: Michael V Glazoff Publisher: Butterworth-Heinemann ISBN: 0128121149 Category : Technology & Engineering Languages : en Pages : 564
Book Description
Casting Aluminum Alloys, Second Edition, the follow up to the fall 2007 work on the structure, properties, thermal resistance, corrosion and fatigue of aluminum alloys in industrial manufacturing, discusses findings from the past decade, including sections on new casting alloys, novel casting technologies, and new methods of alloys design. The book also includes other hot topics, such as the implementation of computational technologies for the calculation of phase equilibria and thermodynamic properties of alloys, the development of software for calculation of diffusion processes in aluminum alloys, computational modeling of solidification microstructure and texture evolution of multi-component aluminum materials. In addition to changes in computational predictive abilities, there is a review of novel casting aluminum alloy compositions and properties, as well as descriptions of new casting technologies and updates to coverage on the mechanical properties of aluminum casting alloys. - Presents a discussion of thermodynamic calculations used for assessing non-equilibrium solidifications of casting aluminum alloys - Expands coverage of mathematical models for alloy mechanical properties, helping facilitate the selection of the best prospective candidate for new alloy development - Contains a new section that describes the self-consistent evaluation of phase equilibria and thermodynamic properties of aluminum alloys
Author: William David Compton Publisher: Courier Corporation ISBN: 0486264343 Category : Science Languages : en Pages : 466
Book Description
The official record of America's first space station, this book from the NASA History Series chronicles the Skylab program from its planning during the 1960s through its 1973 launch and 1979 conclusion. Definitive accounts examine the project's achievements as well as its use of discoveries and technology developed during the Apollo program. 1983 edition.
Author: Barton C. Hacker Publisher: Createspace Independent Pub ISBN: 9781492947554 Category : Technology & Engineering Languages : en Pages : 650
Book Description
A detailed, yet highly readable book, On the Shoulders of Titans should be the starting point for all who are interested in the basic history of the Gemini Program. NASA's second human spaceflight program, Gemini laid the groundwork for the more ambitious Apollo program which put astronauts on the Moon.
Author: United States. Columbia Accident Investigation Board Publisher: U.S. Independent Agencies and Commission ISBN: Category : Science Languages : en Pages : 260
Book Description
CD-ROM accompanying vol. 1 contains text of vol. 1 in PDF files and six related motion picture files in Quicktime format.
Author: Air Command Staff College Publisher: CreateSpace ISBN: 9781478393559 Category : Languages : en Pages : 354
Book Description
The US National Space Policy released by the president in 2006 states that the US government should "develop space professionals." As an integral part of that endeavor, "AU-18, Space Primer", provides to the joint war fighter an unclassified resource for understanding the capabilities, organizations, and operations of space forces. This primer is a useful tool both for individuals who are not "space aware"-unacquainted with space capabilities, organizations, and operations-and for those who are "space aware," especially individuals associated with the space community, but not familiar with space capabilities, organizations, and operations outside their particular areas of expertise. It is your guide and your invitation to all the excitement and opportunity of space. Last published in 1993, this updated version of the Space Primer has been made possible by combined efforts of the Air Command and Staff College's academic year 2008 "Jointspacemindedness" and "Operational Space" research seminars, as well as select members of the academic year 2009 "Advanced Space" research seminar. Air university Press.
Author: National Aeronautics and Space Administration (NASA)
Author: National Aeronautics and Space Administration (NASA)
Author: J.oyce E.Turner Waits
Author: Michael V Glazoff
Author: Michael V Glazoff
Author: DIANE Publishing Company
Author: William David Compton
Author: J. C. Blair
Author: Barton C. Hacker
Author: United States. Columbia Accident Investigation Board
Author: Air Command Staff College