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Aluminum alloyAt least about 0.1 percent by weight of indium is added as an essential component to an alloy which precipitates a T1 phase (Al2CuLi). This addition enhances the nucleation of the precipitate T1 phase, producing a microstructure which provides excellent strength as indicated by Rockwell Hardness values and confirmed by standard tensile tests.
Document ID
19890019250
Acquisition Source
Langley Research Center
Document Type
Other - Patent
External Source(s)
LAR-13924-1-CU
Authors
Linda B Blackburn (University of Virginia Hospital Charlottesville, Virginia, United States)
Edgar A Starke, Jr (University of Virginia Charlottesville, United States)
Date Acquired
August 13, 2013
Publication Date
April 11, 1989
Publication Information
Publisher: United States Patent and Trademark Office
Subject Category
Metallic Materials
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-172102
Patent Number: US-PATENT-4,820,488
Patent Number: NASA-CASE-LAR-13924-1-CU
Accession Number
89N28621
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,820,488
Patent Application
US-PATENT-APPL-SN-172102

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