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Filtering by: Keyword Creep Keyword High-temperature alloys Keyword L12 nanoprecipitates

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Optimizing Nanoscale Precipitates in Aluminum Alloys by Microalloying with Transition Metals

Description:

Dilute Al-Sc-Zr-Si-based aluminum alloys retain their strength for long periods of time at elevated temperatures due to a dispersion of nanometric, coherent, and coarsening-resistant Al3(Sc,Zr) (L12 structure) nanoprecipitates that are formed upon aging. These alloys are attractive for replacement of dense steels and costly Ti alloys in the 250–400 °C...

Keyword:

L12 nanoprecipitates, Atom-probe tomography, Coarsening, High-temperature alloys, Creep, and Aluminum alloys

Subject:

Materials Science

Creator:

Michi, Richard Andrew

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

04/29/2020

Date Created:

2020-01-01

Resource Type:

Dissertation

Alternate Identifier:

etdadmin_upload_718569 and http://dissertations.umi.com/northwestern:14999