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AJ Roberts
AJ Roberts
Material Scientist, Army Research Labratory
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Grain size stabilization of nanocrystalline copper at high temperatures by alloying with tantalum
KA Darling, AJ Roberts, Y Mishin, SN Mathaudhu, LJ Kecskes
Journal of Alloys and Compounds 573, 142-150, 2013
1902013
Enhancing grain refinement in polycrystalline materials using surface mechanical attrition treatment at cryogenic temperatures
KA Darling, MA Tschopp, AJ Roberts, JP Ligda, LJ Kecskes
Scripta Materialia 69 (6), 461-464, 2013
782013
Influence of Mn solute content on grain size reduction and improved strength in mechanically alloyed Al–Mn alloys
KA Darling, AJ Roberts, L Armstrong, D Kapoor, MA Tschopp, LJ Kecskes, ...
Materials Science and Engineering: A 589, 57-65, 2014
562014
Achieving ultra hard refractory multi-principal element alloys via mechanical alloying
JA Smeltzer, CJ Marvel, BC Hornbuckle, AJ Roberts, JM Marsico, AK Giri, ...
Materials Science and Engineering: A 763, 138140, 2019
332019
Aluminum based nanogalvanic compositions useful for generating hydrogen gas and low temperature processing thereof
AK Giri, AJ Roberts, BC Hornbuckle, SM Grendahl, KA Darling
US Patent 11,198,923, 2021
222021
Mechanical behavior of ultrafine gradient grain structures produced via ambient and cryogenic surface mechanical attrition treatment in iron
HA Murdoch, KA Darling, AJ Roberts, L Kecskes
Metals 5 (2), 976-985, 2015
202015
High-density thermodynamically stable nanostructured copper-based bulk metallic systems, and methods of making the same
LJ Kecskes, MJ Gallagher, AJ Roberts, KA Darling
US Patent 9,822,430, 2017
172017
Property mapping of friction stir welded Al-2139 T8 plate using site specific shear punch testing
BC Hornbuckle, HA Murdoch, AJ Roberts, LJ Kecskes, MA Tschopp, ...
Materials Science and Engineering: A 682, 192-201, 2017
152017
Effect of Processing Parameters on the Microstructure of Mechanically Alloyed Nanostructured Al-Mn Alloys
KA Darling, AJ Roberts, JE Catalano, MA Tschopp, LJ Kecskes
Advanced Composites for Aerospace, Marine, and Land Applications II, 3-11, 2016
102016
Safeguard manual assist technique: the SMAT Study
A Roberts, J Collins, E Harlamert, J Champion, K Cronin, J Avram, ...
Cath Lab Digest 16 (6), 2008
82008
Controlling surface chemistry to deconvolute corrosion benefits derived from SMAT processing
HA Murdoch, JP Labukas, AJ Roberts, KA Darling
JOM 69, 1170-1174, 2017
72017
Role of geometric dynamic recrystallization in nanocrystalline alloys
BC Hornbuckle, TL Luckenbaugh, SJ Fudger, AJ Roberts, P Jannotti, ...
Materialia 30, 101807, 2023
62023
Scalable synthesis of a bulk nanocrystalline material with a multitude of divergent properties through a traditional manufacturing process
A Ostlind, SJ Fudger, TL Luckenbaugh, AJ Roberts, M Aniska, ...
Materials Today Communications 33, 104390, 2022
42022
High-density thermodynamically stable nanostructured copper-based bulk metallic systems, and methods of making the same
LJ Kecskes, MJ Gallagher, AJ Roberts, KA Darling, BG Butler
US Patent 10,487,375, 2019
42019
Apparatus and method for subsurface structural modification of materials at reduced temperatures
LJ Kecskes, MJ Gallagher, AJ Roberts, HA Murdoch, KA Darling
US Patent App. 14/923,878, 2016
42016
Metal forming and working of stabilized nanocrystalline Cu-Ta for electrical contacts
DT Hoelzer, TS Byun, AJ Roberts, TL Luckenbaugh, SJ Fudger, ...
Journal of Alloys and Compounds 948, 169749, 2023
32023
Characterizing stable nanocrystalline Cu-Ta behavior and failure dynamics under extremes of strain rate, strain, temperature and pressure by modified dynamic tensile extrusion
P Jannotti, BC Hornbuckle, JT Lloyd, N Lorenzo, M Aniska, ...
Acta Materialia 263, 119476, 2024
22024
Tying processing parameters to the microstructure and mechanical properties of nanostructured FeNiZr consolidated via the field assisted sintering technique
SJ Fudger, TL Luckenbaugh, AJ Roberts, CD Haines, KA Darling
Metals 9 (4), 436, 2019
22019
Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory
VH Hammond, BC Hornbuckle, AK Giri, AJ Roberts, TL Luckenbaugh, ...
Journal of Visualized Experiments: JoVE, 56950, 2018
22018
Nanocrystalline high temperature machine parts
KA Darling, SM Grendahl, LJ Kecskes, KN Solanki, HA Murdoch, ...
US Patent 10,851,440, 2020
12020
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