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Title: Surface-hardened aluminum-rare earth alloys and methods of making the same

Abstract

Embodiments of surface-hardened aluminum-rare earth alloys and methods of making the alloys are disclosed. In some embodiments, the alloy comprises aluminum and 4 wt % to 60 wt % of a rare earth component X having a maximum solid solubility of ≤0.5 wt % in aluminum. The surface-hardened alloy component has an alloy bulk portion and a hardened alloy surface portion. At least a portion of the hardened alloy surface portion has a Vickers hardness that is at least 30% greater than a Vickers hardness of the alloy bulk portion.

Inventors:
; ; ; ; ; ; ; ;
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1637860
Patent Number(s):
10584403
Application Number:
15/650,743
Assignee:
UT-Battelle, LLC (Oak Ridge, TN); University of Tennessee Research Foundation (Knoxville, TN); Iowa State University Research Foundation, Inc. (Ames, IA); Eck Industries Incorporated (Manitowoe, WI)
Patent Classifications (CPCs):
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
DOE Contract Number:  
AC05-00OR22725; AC02-07CH11358
Resource Type:
Patent
Resource Relation:
Patent File Date: 07/14/2017
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Rios, Orlando, Babu, Sudarsanam Suresh, Dehoff, Ryan R., Ott, Ryan, Plotkowski, Alex J., Sims, Zachary C., Sridharan, Niyanth, Weiss, David, and Henderson, Hunter B. Surface-hardened aluminum-rare earth alloys and methods of making the same. United States: N. p., 2020. Web.
Rios, Orlando, Babu, Sudarsanam Suresh, Dehoff, Ryan R., Ott, Ryan, Plotkowski, Alex J., Sims, Zachary C., Sridharan, Niyanth, Weiss, David, & Henderson, Hunter B. Surface-hardened aluminum-rare earth alloys and methods of making the same. United States.
Rios, Orlando, Babu, Sudarsanam Suresh, Dehoff, Ryan R., Ott, Ryan, Plotkowski, Alex J., Sims, Zachary C., Sridharan, Niyanth, Weiss, David, and Henderson, Hunter B. Tue . "Surface-hardened aluminum-rare earth alloys and methods of making the same". United States. https://www.osti.gov/servlets/purl/1637860.
@article{osti_1637860,
title = {Surface-hardened aluminum-rare earth alloys and methods of making the same},
author = {Rios, Orlando and Babu, Sudarsanam Suresh and Dehoff, Ryan R. and Ott, Ryan and Plotkowski, Alex J. and Sims, Zachary C. and Sridharan, Niyanth and Weiss, David and Henderson, Hunter B.},
abstractNote = {Embodiments of surface-hardened aluminum-rare earth alloys and methods of making the alloys are disclosed. In some embodiments, the alloy comprises aluminum and 4 wt % to 60 wt % of a rare earth component X having a maximum solid solubility of ≤0.5 wt % in aluminum. The surface-hardened alloy component has an alloy bulk portion and a hardened alloy surface portion. At least a portion of the hardened alloy surface portion has a Vickers hardness that is at least 30% greater than a Vickers hardness of the alloy bulk portion.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {3}
}

Patent:

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Works referenced in this record:

Mixed lanthanum-magnesium aluminates
patent, April 1990


Method for making a light metal-rare earth metal alloy
patent, August 1991


High strength aluminum alloy
patent, July 1995