Lawrence Allard Jr Distinguished Research Staff Member Contact ALLARDLFJR@ORNL.GOV All Publications The many faces of θ'-Al2Cu precipitates: Energetics of pristine and solute segregated Al/θ' semi-coherent interfaces Low-Temperature Nucleation Behavior of L12 Al3Zr Precipitates in a Dilute Al-Zr-Sn Alloy An additively manufactured near-eutectic Al-Ce-Ni-Mn-Zr alloy with high creep resistance Quantitative gas-phase transmission electron microscopy: Where are we now and what comes next? Effect of Mn on eutectic phase equilibria in Al-rich Al-Ce-Ni alloys... Microstructure and strengthening of Al-6Ce-3Ni-0.7Fe (wt%) alloy manufactured by laser powder-bed fusion... Grain boundary widening controls siderite (FeCO3) replacement of limestone (CaCO3) Heterogeneous phase transformation pathways in additively manufactured Al-Ce-Mn alloys Load shuffling during creep deformation of an additively manufactured AlCuMnZr alloy In Situ Observations of Barium Sulfate Nucleation in Nanopores In-situ formation of Al3Ni nano particles in synthesis of Al 7075 alloy by friction stir processing with Ni powder addition Repurposing the θ (Al2Cu) phase to simultaneously increase the strength and ductility of an additively manufactured Al–Cu alloy Using θ′ interfaces as templates for planar L12 precipitation in AlCuMnZr alloys Dislocation-θ′ (Al2Cu) interactions during creep deformation of an Al-Cu alloy Microstructural evolution and strengthening mechanisms in a heat-treated additively manufactured Al–Cu–Mn–Zr alloy A creep-resistant additively manufactured Al-Ce-Ni-Mn alloy Al-Cu-Ce(-Zr) alloys with an exceptional combination of additive processability and mechanical properties Elevated temperature ductility dip in an additively manufactured Al-Cu-Ce alloy Single-step Selective Oxidation of Methane to Methanol in the Aqueous Phase on Iridium-based Catalysts Isolated Metal Sites in Cu–Zn–Y/Beta for Direct and Selective Butene-Rich C3+ Olefin Formation from Ethanol... Selective Butene Formation in Direct Ethanol-to-C3+-Olefin Valorization over Zn–Y/Beta and Single-Atom Alloy Composite Catalysts Using In Situ-Generated Hydrogen Atomic structures of interfacial solute gateways to θ′ precipitates in Al-Cu alloys Long-Term 13 C Uptake by 12 C-Enriched Calcite Crystallographic Orientation-Dependent Strain Hardening in a Precipitation-Strengthened Al-Cu Alloy Oxidation and associated pore structure modification during experimental alteration of granite Pagination Current page 1 Page 2 Page 3 … Next page ›â¶Äº Last page Last » Key Links Organizations Physical Sciences Directorate Materials Science and Technology Division Materials in Extremes Section Nuclear Energy Materials Microanalysis