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Filtering by: Creator Richard Karnesky Keyword creep Keyword precipitate coarsening Subject Materials Science and Engineering

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1. Mechanical Properties and Microstructure of Al-Sc with Rare-Earth Element or Al2O3 Additions

Description:: Aluminum alloys strengthened with coherent (L1<sub>2</sub>), nanosize Al<sub>3</sub>Sc precipitates may be used as structural materials at elevated temperatures. They are creep resistant at 300°C and exhibit a threshold stress, below which creep is not measurable. Introducing ternary alloying additions, such as rare-earth elements (RE=Y, Dy, Er), that segregate within Al<sub>3</sub>Sc...
Keyword:: mechanical properties, rare-earth elements, precipitation strengthening, creep, precipitate coarsening, and aluminum-scandium alloys
Subject:: Materials Science and Engineering
Creator:: Richard Karnesky
Owner:: Scholarly Digital Publishing
Date Uploaded:: 08/27/2018
Date Modified:: 08/27/2018
Date Created:: 2007-10-24
Resource Type:: Dissertation