Chemistry:Lockalloy
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Lockalloy is an alloy that consists of 62% beryllium and 38% aluminum. It was used as a structural metal in the aerospace industry because of its high specific strength[1] and stiffness.[2] The alloy was first developed in the 1960s by the Lockheed Missiles and Space Company.[3][4] The material was used in the Lockheed YF12 and LGM-30 Minuteman missile systems. In the 1970s production difficulties limited the material to a few specialized uses and by the mid 1970s Lockalloy was no longer commercially available.[5][2] In 1990, Materion Beryllium & Composites re-introduced the material into the commercial marketplace as a powder-sintered composite under the trade name of AlBeMet.[2]
References
- ↑ McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
- ↑ 2.0 2.1 2.2 Parsonage, Tom. "Development of Aluminum Beryllium for Structural Applications". https://materion.com/-/media/files/beryllium/albemet-materials/maab-006developmentofaluminumberylliumforstructuralapplications.pdf.
- ↑ Cameron, Kevin (August 5, 2015). "ESSAY: When is the Future Coming?". Cycle World. https://www.cycleworld.com/2015/08/05/when-is-the-future-coming-for-parts-made-of-exotic-materials.
- ↑ DTIC ADA041284: Lockalloy Be-38Al Material Characterization, 1976 Year-End Report, by Defense Technical Information Center
- ↑ Hausner, Henry Herman (1965). Beryllium its Metallurgy and Properties. University of California Press. pp. 189. ISBN 978-0520005419. https://books.google.com/books?id=FCnUN45cL1cC&q=lockalloy+lockheed&pg=PA189.
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