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Richard A. LeSar - Publications

Affiliations: 
Materials Science and Engineering Iowa State University, Ames, IA, United States 
Area:
Materials Science Engineering, Metallurgy Engineering
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79 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 Mendoza MY, Samimi P, Brice DA, Ghamarian I, Rolchigo M, LeSar R, Collins PC. On the role of composition and processing parameters on the microstructure evolution of Ti-xMo alloys. Bmc Chemistry. 13: 5. PMID 31384755 DOI: 10.1186/S13065-019-0529-3  0.334
2019 Wang HY, Najafabadi R, Srolovitz DJ, LeSar R. (100) surface segregation in Cu-Ni alloys. Physical Review. B, Condensed Matter. 45: 12028-12042. PMID 10001222 DOI: 10.1103/Physrevb.45.12028  0.327
2019 Rolchigo MR, LeSar R. Application of alloy solidification theory to cellular automata modeling of near-rapid constrained solidification Computational Materials Science. 163: 148-161. DOI: 10.1016/J.Commatsci.2019.03.012  0.334
2018 Rolchigo MR, LeSar R. Modeling of binary alloy solidification under conditions representative of Additive Manufacturing Computational Materials Science. 150: 535-545. DOI: 10.1016/J.Commatsci.2018.04.004  0.327
2017 Mendoza MY, Samimi P, Brice DA, Martin BW, Rolchigo MR, LeSar R, Collins PC. Microstructures and Grain Refinement of Additive-Manufactured Ti-xW Alloys Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science. 48: 3594-3605. DOI: 10.1007/S11661-017-4117-7  0.323
2016 Momeni K, Attariani H, LeSar RA. Structural transformation in monolayer materials: a 2D to 1D transformation. Physical Chemistry Chemical Physics : Pccp. PMID 27388501 DOI: 10.1039/C6Cp04007A  0.307
2016 McDowell DL, Lesar RA. The need for microstructure informatics in process-structure-property relations Mrs Bulletin. 41: 587-593. DOI: 10.1557/Mrs.2016.163  0.322
2016 Graham JT, Rollett AD, LeSar R. Fast Fourier transform discrete dislocation dynamics Modelling and Simulation in Materials Science and Engineering. 24: 85005. DOI: 10.1088/0965-0393/24/8/085005  0.379
2015 Borovikov V, Mendelev MI, King AH, Lesar R. Effect of stacking fault energy on mechanism of plastic deformation in nanotwinned FCC metals Modelling and Simulation in Materials Science and Engineering. 23. DOI: 10.1088/0965-0393/23/5/055003  0.303
2015 Borovikov V, Mendelev MI, King AH, Lesar R. Effects of Schmid factor and slip nucleation on deformation mechanism in columnar-grained nanotwinned Ag and Cu Journal of Applied Physics. 117. DOI: 10.1063/1.4913381  0.371
2015 Ott RT, Geng J, Besser MF, Kramer MJ, Wang YM, Park ES, Lesar R, King AH. Optimization of strength and ductility in nanotwinned ultra-fine grained Ag: Twin density and grain orientations Acta Materialia. 96: 378-389. DOI: 10.1016/J.Actamat.2015.06.030  0.329
2014 LeSar R. Simulations of Dislocation Structure and Response Annual Review of Condensed Matter Physics. 5: 375-407. DOI: 10.1146/Annurev-Conmatphys-031113-133858  0.388
2013 Chernatynskiy A, Phillpot SR, Lesar R. Uncertainty quantification in multiscale simulation of materials: A prospective Annual Review of Materials Research. 43: 157-182. DOI: 10.1146/Annurev-Matsci-071312-121708  0.314
2013 Pollock TM, Lesar R. The feedback loop between theory, simulation and experiment for plasticity and property modeling Current Opinion in Solid State and Materials Science. 17: 10-18. DOI: 10.1016/J.Cossms.2013.03.003  0.366
2012 Zhou C, LeSar RA. Dislocation Dynamics Simulations of Plasticity in Polycrystalline Thin Films International Journal of Plasticity. 30: 185-201. DOI: 10.1016/J.Ijplas.2011.10.001  0.536
2012 Zhou C, LeSar RA. Dislocation dynamics simulations of the Bauschinger effect in metallic thin films Computational Materials Science. 54: 350-355. DOI: 10.1016/J.Commatsci.2011.09.031  0.531
2011 Zhou C, Beyerlein IJ, LeSar R. Plastic deformation mechanisms of fcc single crystals at small scales Acta Materialia. 59: 7673-7682. DOI: 10.1016/J.Actamat.2011.08.032  0.577
2010 Zhou C, Biner SB, LeSar RA. Simulations of the Effect of Surface Coatings on Plasticity at Small Scales Scripta Materialia. 63: 1096-1099. DOI: 10.1016/J.Scriptamat.2010.08.012  0.541
2010 Zhou C, Biner SB, LeSar R. Discrete dislocation dynamics simulations of plasticity at small scales Acta Materialia. 58: 1565-1577. DOI: 10.1016/J.Actamat.2009.11.001  0.583
2009 WANG Z, BEYERLEIN I, LESAR R. Plastic anisotropy in fcc single crystals in high rate deformation International Journal of Plasticity. 25: 26-48. DOI: 10.1016/J.Ijplas.2008.01.006  0.395
2008 Rickman JM, Haataja M, LeSar R. Impact of obstacles on dislocation patterning and stress correlations Physical Review B. 77. DOI: 10.1103/Physrevb.77.174105  0.359
2008 Wang Z, Beyerlein I, LeSar R. Slip band formation and mobile dislocation density generation in high rate deformation of single fcc crystals Philosophical Magazine. 88: 1321-1343. DOI: 10.1080/14786430802129833  0.345
2007 Wang ZQ, Beyerlein IJ, LeSar R. The importance of cross-slip in high-rate deformation Modelling and Simulation in Materials Science and Engineering. 15: 675-690. DOI: 10.1088/0965-0393/15/6/006  0.356
2007 Wang ZQ, Beyerlein IJ, Lesar R. Dislocation motion in high strain-rate deformation Philosophical Magazine. 87: 2263-2279. DOI: 10.1080/14786430601153422  0.324
2006 Dimiduk DM, Woodward C, Lesar R, Uchic MD. Scale-free intermittent flow in crystal plasticity. Science (New York, N.Y.). 312: 1188-90. PMID 16728635 DOI: 10.1126/Science.1123889  0.306
2006 Rickman J, LeSar R. Issues in the coarse-graining of dislocation energetics and dynamics Scripta Materialia. 54: 735-739. DOI: 10.1016/J.Scriptamat.2005.11.030  0.354
2006 Dimiduk DM, Koslowski M, Lesar R. Preface to the viewpoint set on: Statistical mechanics and coarse graining of dislocation behavior for continuum plasticity Scripta Materialia. 54: 701-704. DOI: 10.1016/J.Scriptamat.2005.11.027  0.357
2006 Wang Z, Ghoniem N, Swaminarayan S, LeSar R. A parallel algorithm for 3D dislocation dynamics Journal of Computational Physics. 219: 608-621. DOI: 10.1016/J.Jcp.2006.04.005  0.366
2005 Rickman JM, Viñals J, Lesar R. Unified framework for dislocation-based defect energetics Philosophical Magazine. 85: 917-929. DOI: 10.1080/14786430412331314618  0.339
2005 Cho J, Terry SG, LeSar R, Levi CG. A kinetic Monte Carlo simulation of film growth by physical vapor deposition on rotating substrates Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing. 391: 390-401. DOI: 10.1016/J.Msea.2004.09.015  0.303
2004 Koslowski M, Lesar R, Thomson R. Dislocation structures and the deformation of materials. Physical Review Letters. 93: 265503. PMID 15697990 DOI: 10.1103/Physrevlett.93.265503  0.383
2004 Koslowski M, LeSar R, Thomson R. Avalanches and scaling in plastic deformation. Physical Review Letters. 93: 125502. PMID 15447275 DOI: 10.1103/Physrevlett.93.125502  0.357
2004 Redondo A, LeSar R. Modeling and Simulation of Biomaterials Annual Review of Materials Research. 34: 279-314. DOI: 10.1146/Annurev.Matsci.34.070503.123908  0.321
2004 Wang Z, Ghoniem N, LeSar R. Multipole representation of the elastic field of dislocation ensembles Physical Review B - Condensed Matter and Materials Physics. 69. DOI: 10.1103/Physrevb.69.174102  0.377
2004 LeSar R, Rickman JM. Incorporation of local structure in continuous dislocation theory Physical Review B. 69. DOI: 10.1103/Physrevb.69.172105  0.365
2004 Andrews AM, Lesar RA, Kerner MA, Speck JS, Romanov AE, Kolesnikova AL, Bobeth M, Pompe W. Modeling crosshatch surface morphology in growing mismatched layers. Part II: Periodic boundary conditions and dislocation groups Journal of Applied Physics. 95: 6032-6047. DOI: 10.1063/1.1707208  0.327
2004 Wang Z, McCabe RJ, Ghoniem NM, LeSar R, Misra A, Mitchell TE. Dislocation motion in thin Cu foils: A comparison between computer simulations and experiment Acta Materialia. 52: 1535-1542. DOI: 10.1016/J.Actamat.2003.12.005  0.349
2003 LeSar† R, Rickman JM. Coarse-grained descriptions of dislocation behaviour Philosophical Magazine. 83: 3809-3827. DOI: 10.1080/14786430310001599513  0.395
2003 Rickman JM, LeSar R, Srolovitz DJ. Solute effects on dislocation glide in metals Acta Materialia. 51: 1199-1210. DOI: 10.1016/S1359-6454(02)00304-X  0.34
2003 Zacharopoulos N, Srolovitz DJ, LeSar R. Discrete dislocation simulations of the development of a continuum plastic zone ahead of a stationary Mode III crack Journal of the Mechanics and Physics of Solids. 51: 695-713. DOI: 10.1016/S0022-5096(02)00099-6  0.311
2002 LeSar R, Rickman JM. Multipole expansion of dislocation interactions: Application to discrete dislocations Physical Review B. 65. DOI: 10.1103/Physrevb.65.144110  0.345
2001 Swaminarayan S, LeSar R. A Monte Carlo method for simulating dislocation microstructures in three dimensions Computational Materials Science. 21: 339-359. DOI: 10.1016/S0927-0256(01)00150-1  0.383
1998 Godfrey AW, Holm EA, Hughes DA, Lesar R, Miodownik. Multiscale Modeling of Recrystallization Mrs Proceedings. 538: 157. DOI: 10.1557/Proc-538-157  0.363
1998 Swaminarayan S, Lesar RA, Lomdahl P, Beazley D. Short-range dislocation interactions using molecular dynamics: Annihilation of screw dislocations Journal of Materials Research. 13: 3478-3484. DOI: 10.1557/Jmr.1998.0475  0.396
1998 Wang HY, Lesar R, Rickman JM. Analysis of dislocation microstructures: Impact of force truncation and slip systems Philosophical Magazine A. 78: 1195-1213. DOI: 10.1080/01418619808239983  0.344
1995 Wang HY, Lesar R. O(N) algorithm for dislocation dynamics Philosophical Magazine. 71: 149-164. DOI: 10.1080/01418619508242962  0.312
1993 Wang HY, Najafabadi R, Srolovitz DJ, LeSar R. Segregation to and structure of [001] twist grain boundaries in CuNi alloys Acta Metallurgica Et Materialia. 41: 2533-2546. DOI: 10.1016/0956-7151(93)90123-A  0.338
1993 Wang HY, Najafabadi R, Srolovitz DJ, LeSar R. Interfacial segregation in Ag-Au, Au-Pd, and Cu-Ni alloys: II. [001] Σ5 twist grain boundaries Interface Science. 1: 31-47. DOI: 10.1007/Bf00203264  0.359
1993 Wang HY, Najafabadi R, Srolovitz DJ, LeSar R. Interfacial segregation in Ag-Au, Au-Pd, and Cu-Ni alloys: I. (100) surfaces Interface Science. 1: 7-30. DOI: 10.1007/Bf00203263  0.333
1992 Wang HY, Najafabadi R, Srolovitz DJ, Lesar R. Segregation to ∑5 [001] twist grain boundaries in ni-cu alloys Philosophical Magazine A. 65: 625-655. DOI: 10.1080/01418619208201541  0.367
1992 Kuchta B, Etters RD, Lesar RA. The influence of molecular shapes on the relative stability of solid phases: Application to N2O Journal of Chemical Physics. 97: 5662-5668. DOI: 10.1063/1.463774  0.349
1992 Wang HY, Najafabadi R, Srolovitz DJ, Lesar R. Segregation effects on intergranular fracture Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science. 23: 3105-3113. DOI: 10.1007/Bf02646129  0.328
1991 Najafabadi R, Srolovitz DJ, LeSar R. Thermodynamic and structural properties of [001] twist boundaries in gold Journal of Materials Research. 6: 999-1011. DOI: 10.1557/Jmr.1991.0999  0.337
1991 Mills RL, Olinger B, Cromer DT, Lesar RA. Crystal structures of N2O to 12 GPa by x‐ray diffraction Journal of Chemical Physics. 95: 5392-5398. DOI: 10.1063/1.461655  0.31
1991 LeSar R, Najafabadi R, Srolovitz DJ. Thermodynamics of solid and liquid embedded‐atom‐method metals: A variational study Journal of Chemical Physics. 94: 5090-5097. DOI: 10.1063/1.460547  0.329
1991 Najafabadi R, Wang HY, Srolovitz DJ, LeSar R. The effects of segregation on grain boundary cohesive energies in Ni3−xAl1+x Scripta Metallurgica Et Materialia. 25: 2497-2502. DOI: 10.1016/0956-716X(91)90056-7  0.367
1991 Najafabadi R, Wang HY, Srolovitz DJ, LeSar R. A new method for the simulation of alloys: Application to interfacial segregation Acta Metallurgica Et Materialia. 39: 3071-3082. DOI: 10.1016/0956-7151(91)90040-8  0.361
1990 Najafabadi R, Wang HY, Srolovitz DJ, Lesar RA. Free Energy Simulation of Grain Boundary Segregation and Thermodynamics In Ni3−xAl1+x Mrs Proceedings. 213. DOI: 10.1557/Proc-213-51  0.345
1990 Wang HY, Najafabadi R, Srolovitz DJ, Lesar R. The Free Energy Simulation Approach to Grain Boundary Segregation In Cu-Ni Mrs Proceedings. 209: 219. DOI: 10.1557/Proc-209-219  0.316
1990 Najafabadi R, Srolovitz DJ, LeSar R. Finite Temperature Structure and Thermodynamics of the Au Σ5 (001) Twist Boundary Journal of Materials Research. 5: 2663-2676. DOI: 10.1557/Jmr.1990.2663  0.351
1990 Lesar R. Structure and properties of simple molecular systems at very high density High Pressure Research. 3: 201-207. DOI: 10.1080/08957959008246075  0.324
1990 Belak J, Lesar RA, Etters RD. Calculated thermodynamic properties and phase transitions of solid N2 at temperatures 0≤T≤300 K and pressures 0≤P≤100 GPa Journal of Chemical Physics. 92: 5430-5441. DOI: 10.1063/1.458521  0.362
1990 Meijer EJ, Frenkel D, LeSar RA, Ladd AJC. Location of melting point at 300 K of nitrogen by Monte Carlo simulation The Journal of Chemical Physics. 92: 7570-7575. DOI: 10.1063/1.458193  0.341
1990 Gordon RG, LeSar R. Local Density Functional Theories of Ionic and Molecular Solids Advances in Quantum Chemistry. 21: 341-363. DOI: 10.1016/S0065-3276(08)60604-8  0.496
1990 Najafabadi R, Srolovitz DJ, LeSar R. Influence of anisotropic vibrational motion on diffraction from grain boundaries Scripta Metallurgica Et Materiala. 24: 251-256. DOI: 10.1016/0956-716X(90)90251-B  0.327
1989 Demontis P, Klein ML, LeSar R. High-density structures and phase transition in an ionic model of H 2 O ice Physical Review B. 40: 2716-2718. PMID 9992195 DOI: 10.1103/Physrevb.40.2716  0.313
1989 Lesar R, Najafabadi R, Srolovitz DJ. Finite-temperature defect properties from free-energy minimization Physical Review Letters. 63: 624-627. DOI: 10.1103/Physrevlett.63.624  0.345
1988 Belak J, Etters RD, Lesar RA. Thermodynamic properties and equation of state of dense fluid nitrogen Journal of Chemical Physics. 89: 1625-1633. DOI: 10.1063/1.455159  0.315
1987 Lesar RA. Calculated high-pressure properties of solid acetylene and possible polymerization paths Journal of Chemical Physics. 86: 1485-1490. DOI: 10.1063/1.452238  0.329
1987 Lesar RA. Vibrational frequency shifts in dense molecular fluids Journal of Chemical Physics. 86: 4138-4145. DOI: 10.1063/1.451924  0.312
1986 Etters RD, Belak J, Lesar RA. Thermodynamic character of the vibron frequencies and equation of state in dense, high-temperature, fluid N2. Physical Review B. 34: 4221-4223. PMID 9940191 DOI: 10.1103/Physrevb.34.4221  0.312
1985 McMahan AK, LeSar R. Pressure dissociation of solid nitrogen under 1 Mbar. Physical Review Letters. 54: 1929-1932. PMID 10031178 DOI: 10.1103/Physrevlett.54.1929  0.335
1984 Lesar RA. Improved electron‐gas model calculations of solid N2 to 10 GPa Journal of Chemical Physics. 81: 5104-5108. DOI: 10.1063/1.447500  0.336
1983 Lesar RA. Ground- and excited-state properties of solid argon under pressure Physical Review B. 28: 6812-6820. DOI: 10.1103/Physrevb.28.6812  0.34
1983 Lesar RA, Gordon RG. Density‐functional theory for solid nitrogen and carbon dioxide at high pressure Journal of Chemical Physics. 78: 4991-4996. DOI: 10.1063/1.445411  0.519
1983 LeSar R, Herschbach DR. Polarizability and quadrupole moment of a hydrogen molecule in a spheroidal box The Journal of Physical Chemistry. 87: 5202-5206. DOI: 10.1021/J150643A028  0.453
1982 Lesar RA, Gordon RG. Density‐functional theory for the solid alkali cyanides Journal of Chemical Physics. 77: 3682-3692. DOI: 10.1063/1.444271  0.525
1981 Lesar RA, Herschbach DR. Likelihood of a high-pressure phase of solid hydrogen involving termolecular complexes The Journal of Physical Chemistry. 85: 3787-3792. DOI: 10.1021/J150625A016  0.318
1981 LeSar R, Herschbach DR. Electronic and vibrational properties of molecules at high pressures. Hydrogen molecule in a rigid spheroidal box The Journal of Physical Chemistry. 85: 2798-2804. DOI: 10.1021/J150619A020  0.515
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