2452. AlBeMet and AlBeCast: Lightweight High Performance Alloys for Weight-Critical Applications

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Title2452. AlBeMet and AlBeCast: Lightweight High Performance Alloys for Weight-Critical Applications
Publication TypeConference Paper
Paper Number2452
Year of Publication1999
AuthorsGrensing, Dr., F.
Conference58th Annual Conference, San Jose, California, May 24-26
Conference LocationSan Jose, California
PublisherSociety of Allied Weight Engineers, Inc.
Date Published5/24/99

AlBeMet? materials are a family of aluminum-beryllium alloys containing 30 to 65 weight percent beryllium. The alloys offer substantial weight reductions and modulus increases when compared with other aerospace alloys. The mechanical properties of AlBeMet? materials are well suited for most weight critical applications. The strength performance of the materials equals or exceeds most traditional aluminum alloys, and the alloy's specific property performance offers an even greater benefit. AlBeMet? is produced using several techniques and is produced as extruded bar, rolled sheet, hot isostatically pressed (MIP) block. and investment castings. AlBeMet? alloys are powder metal products produced by the hot consolidation of inert gas atomized powder, while AlBeCast? IC910 is an investment casting alloy. AlBeMet? and AlBeCast? alloys can be fabricated into components using many standard aluminum industry processes and equipment. Machining, joining, and coating operations have been developed for the alloys and these deviate little from aluminum industry practice. The principle difference between working with aluminum and aluminum-beryllium materials is the need control, collect, and remove any beryllium- containing particles generated during the operation. The use of the materials has greatly expanded and the alloys are now used in a number of avionics, aerospace, robotics, automotive, commercial, and data storage applications. A direct substitution for aluminum results in a 270% increase in stiffness: a constant stiffness design using aluminum-beryllium alloys can reduce weight by 45 to 55%.

Key Words27. Weight Reduction - Materials
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