Publications

Zhou, X., Foster, M.E., Sills, R., & Sills, R. (2022). Molecular Dynamics Studies of Helium Bubble Effects on Grain Boundary Fracture in Fe70Ni11Cr19-1%H Austenitic Stainless Steel [Conference Presentation]. 10.2172/2006031

Zhou, X., Skelton, R., Sills, R., san Marchi, C., & san Marchi, C. (2022). Slip Transmission and Voiding during Slip Band Intersections in Fe70Ni10Cr20 Stainless Steels [Conference Presentation]. 10.2172/2004376

Nowak, C., Foster, M.E., Sills, R., Zhou, X., & Zhou, X. (2022). Controlling Hydrogen Cottrell Atmospheres Around Dislocations in Austenitic Stainless Steels Through Alloying Using a Combined MD-DFT Pipeline [Conference Presentation]. 10.2172/2002328

Zhou, X., Nowak, C., Foster, M.E., Sills, R., Ronevich, J., san Marchi, C., & san Marchi, C. (2022). Towards Machine-Learning of Hydrogen Effects on Stacking Fault Energies in Austenitic Stainless Steels [Conference Presentation]. 10.2172/2002260

Sills, R., Foster, M.E., Zhou, X., & Zhou, X. (2022). Line tension induced character angle dependence of dislocation mobility in FCC alloys. Scripta Materialia, 208. 10.1016/j.scriptamat.2021.114340

Zhou, X., Nowak, C., Spataru, C.D., Foster, M.E., Chu, K., Sills, R., & Sills, R. (2021). Coarse-Graining Techniques for Migration of Solutes around Defects [Conference Presentation]. 10.2172/2001615

Nowak, C., Spataru, C.D., Chu, K., Zhou, X., Sills, R., & Sills, R. (2021). Molecular Dynamics of H Cottrell Atmosphere Formation in Al?Influence of Non-Dilute Concentration at Dislocation Cores [Conference Presentation]. 10.2172/1905211

Zhou, X., Nowak, C., Skelton, R.S., Foster, M.E., Ronevich, J., san Marchi, C., Sills, R., & Sills, R. (2021). An Fe-Ni-Cr-H Interatomic Potential and Hydrogen Effects on Stacking Fault Energies in Austenitic Stainless Steels [Conference Presentation]. 10.2172/1899460

Zhou, X., Nowak, C., Skelton, R., Foster, M.E., Spataru, C.D., Chu, K., Sills, R., Ronevich, J., san Marchi, C., & san Marchi, C. (2020). Atomistic Simulation Activities at Sandia-Hydrogen Materials Consortium (H-Mat) [Conference Presentation]. 10.2172/1842669

Zhou, X., Sills, R., Bartelt, N.C., & Bartelt, N.C. (2020). Molecular Dynamics Simulations of Helium Bubble Formation in Palladium Tritides [Slides] [Conference Presentation]. https://doi.org/10.2172/1829253

Zhou, X., Foster, M.E., Sills, R., Ispanovity, P.D., Peterffy, G., & Peterffy, G. (2020). Length scales and scale-free dynamics of dislocations in dense solid solutions. Materials Theory, 4(1). 10.1186/s41313-020-00023-z

Zhou, X., Bartelt, N.C., Sills, R., & Sills, R. (2020). Molecular Dynamics Simulations of Helium Bubble Formation in Palladium Tritides [Slides] [Conference Presentation]. 10.2172/1829419

Zhou, X., Spataru, C.D., Chu, K., Sills, R., & Sills, R. (2020). Molecular Statics Analyses of Thermodynamics and Kinetics of Hydrogen Cottrell Atmosphere Formation Around Edge Dislocations in Aluminum. JOM, 72(8), pp. 3020-3027. 10.1007/s11837-020-04213-5

Epperly, E.N., Sills, R., & Sills, R. (2020). Comparison of continuum and cross-core theories of dynamic strain aging. Journal of the Mechanics and Physics of Solids, 141(C). 10.1016/j.jmps.2020.103944

Bertin, N., Sills, R., Cai, W., & Cai, W. (2020). Frontiers in the Simulation of Dislocations. Annual Review of Materials Research, 50(1), pp. 437-464. 10.1146/annurev-matsci-091819-015500

Epperly, E.N., Sills, R., & Sills, R. (2020). Transient solute drag and strain aging of dislocations. Acta Materialia, 193(C), pp. 182-190. 10.1016/j.actamat.2020.03.031

Zhou, X., Bartelt, N.C., Sills, R., Spataru, C.D., Allendorf, M., Shinyoung, K., Wook, H.T., Brandon, W., & Brandon, W. (2020). Recent Interatomic Potential Development Activities at Sandia [Conference Poster]. https://www.osti.gov/biblio/1766685

Sills, R., Boyce, B.L., & Boyce, B.L. (2019). Void growth by dislocation adsorption. Materials Research Letters, 8(3). 10.1080/21663831.2019.1702114

Zhou, X., Sills, R., Foster, M.E., & Foster, M.E. (2019). Large-Scale Molecular Dynamics (MD) Derivation of Length-Insensitive Dislocation Mobility Laws in Fe-Ni-Cr Stainless Steels [Conference Poster]. https://www.osti.gov/biblio/1643459

Noell, P., Sills, R., Boyce, B.L., & Boyce, B.L. (2019). Suppression of Void Nucleation in High-Purity Aluminum via Dynamic Recrystallization. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 51(1). 10.1007/s11661-019-05457-w

Noell, P., Carroll, J.D., Jin, H., Kramer, S.L.B., Sills, R., Medlin, D.L., Sabisch, J.E.C., Boyce, B.L., & Boyce, B.L. (2019). Mechanistic origins of stochastic rupture in metals. 10.2172/1599551

Sills, R. (2019). Re-Examining HELP: Mechanism Hypothesis or None-of-the-Above? [Conference Poster]. https://www.osti.gov/biblio/1641181

Chu, K., Zhou, X., Sills, R., Foster, M.E., & Foster, M.E. (2019). MD Studies of Solute Strengthening in Stainless Steel Alloys [Presentation]. https://www.osti.gov/biblio/1807130

Zhou, X., Foster, M.E., Sills, R., Karnesky, R., Spataru, C.D., Ronevich, J.A., san Marchi, C.W., & san Marchi, C.W. (2019). Towards Molecular Dynamics Studies of Hydrogen Effects in Fe-Cr-Ni Stainless Steels [Conference Poster]. https://www.osti.gov/biblio/1640105

Zhou, X., Foster, M.E., Sills, R., Karnesky, R.A., & Karnesky, R.A. (2019). Towards molecular dynamics studies of hydrogen effects in Fe-Cr-Ni stainless steels [Conference Poster]. Proceedings of the International Offshore and Polar Engineering Conference. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85079773097&origin=inward

Zhou, X., Bartelt, N.C., Sills, R., & Sills, R. (2018). Towards Accurate Molecular Dynamics Simulations of Helium Bubble Nucleation and Growth in Palladium Tritide [Conference Poster]. https://www.osti.gov/biblio/1596525

Sills, R., Cai, W., Bertin, N., & Bertin, N. (2018). Dislocation Network Evolution and Strain Hardening [Conference Poster]. https://www.osti.gov/biblio/1807032

Sills, R., Noell, P., Boyce, B.L., & Boyce, B.L. (2018). Void Growth by Dislocation Adsorption During Ductile Rupture [Conference Poster]. https://www.osti.gov/biblio/1807033

Epperly, E.N., Sills, R., & Sills, R. (2018). Dynamics of Cottrell Atmospheres and Dislocations [Conference Poster]. https://www.osti.gov/biblio/1573555

Zhou, X., Foster, M.E., Sills, R., & Sills, R. (2018). An Fe-Ni-Cr embedded atom method potential for austenitic and ferritic systems: An Fe-Ni-Cr embedded atom method potential for austenitic and ferritic systems. Journal of Computational Chemistry, 39(29). 10.1002/jcc.25573

Ronevich, J., Medlin, D.L., Sugar, J.D., san Marchi, C., Song, E.J., Sills, R., Balch, D.K., & Balch, D.K. (2018). Hydrogen Isotope Degradation of Fracture Toughness on Wrought and Welded Austenitic Stainless Steel [Conference Poster]. https://www.osti.gov/biblio/1882051

Epperly, E.N., Sills, R., & Sills, R. (2018). Dynamics of Cottrell Atmospheres and Dislocations [Conference Poster]. https://www.osti.gov/biblio/1592560

Zimmerman, J.A., Balch, D.K., Bartelt, N.C., Buchenauer, D.A., Catarineu, N.R., Cowgill, D.F., el Gabaly, F., Karnesky, R.A., Kolasinski, R., Medlin, D.L., Robinson, D., Ronevich, J., Sabisch, J.E.C., san Marchi, C., Sills, R., Smith, T., Sugar, J.D., Zhou, X., & Zhou, X. (2018). Materials and Hydrogen Isotope Science at Sandia's California Laboratory [Conference Poster]. https://www.osti.gov/biblio/1592999

Zhou, X., Foster, M.E., Sills, R., Karnesky, R.A., & Karnesky, R.A. (2018). Development of Fe-Ni-Cr-H Interatomic Potential [Conference Poster]. https://www.osti.gov/biblio/1594306

Zhou, X., Foster, M.E., Sills, R., Karnesky, R.A., & Karnesky, R.A. (2018). Development of Fe-Ni-Cr-H Interatomic Potential [Conference Poster]. https://www.osti.gov/biblio/1560805

Zhou, X., Sills, R., Foster, M.E., Karnesky, R.A., & Karnesky, R.A. (2018). Development of Fe-Ni-Cr-H Interatomic Potential [Conference Poster]. https://www.osti.gov/biblio/1560806

Sills, R., Bertin, N., Aghaei, A., Cai, W., & Cai, W. (2018). Dislocation Networks and the Microstructural Origin of Strain Hardening. Physical Review Letters, 121(8). 10.1103/PhysRevLett.121.085501

Akhondzadeh, S., Sills, R., Papanikolaou, S., van der Giessen, E., Cai, W., & Cai, W. (2018). Geometrically projected discrete dislocation dynamics. Modelling and Simulation in Materials Science and Engineering, 26(6). 10.1088/1361-651X/aacf31

Sills, R., Epperly, E.N., & Epperly, E.N. (2018). Dislocation-Solute Interactions: Implications for Solute Embrittlement and Dynamic Strain Aging [Conference Poster]. https://www.osti.gov/biblio/1569005

Sills, R., Cai, W., & Cai, W. (2018). Free energy change of a dislocation due to a Cottrell atmosphere. Philosophical Magazine, 98(16), pp. 1491-1510. 10.1080/14786435.2018.1441560

Zhou, X., Sills, R., Foster, M.E., Karnesky, R.A., Jones, R.E., & Jones, R.E. (2018). Examples of Uncertainties of Molecular Dynamics Simulations [Conference Poster]. https://www.osti.gov/biblio/1515129

Sills, R., Aubry, S., & Aubry, S. (2018). Line Dislocation Dynamics Simulations with Complex Physics. https://www.osti.gov/biblio/1459085

Zhou, X., Sills, R., Foster, M.E., Karnesky, R.A., Allendorf, M., Stavila, V., Heo, T.W., Wood, B.C., Kang, S., & Kang, S. (2018). Status of Interatomic Potentials Models for Hydrogen Energy Applications [Conference Poster]. https://www.osti.gov/biblio/1498436

Zhou, X., Sills, R., Ward, D.K., Foster, M.E., Karnesky, R.A., Stavila, V., Allendorf, M., Wood, B.C., Heo, T.W., Kang, S., & Kang, S. (2018). Errors of Molecular Dynamics Simulations and ?Accurate? Al-Cu-H and Mg-H Potentials [Conference Poster]. https://www.osti.gov/biblio/1575330

Zhou, X., Sills, R., Ward, D.K., Karnesky, R.A., & Karnesky, R.A. (2017). Atomistic Calculations of Dislocation Core Energies in Aluminum [Conference Poster]. https://www.osti.gov/biblio/1483216

Zhou, X., Sills, R., & Sills, R. (2017). Modeling Hydrogen-Metal Interactions [Conference Poster]. https://www.osti.gov/biblio/1480224

Zhou, X., Sills, R., Karnesky, R.A., & Karnesky, R.A. (2017). Modeling Hydrogen Metal Interactions [Conference Poster]. https://www.osti.gov/biblio/1466494

Epperly, E.N., Sills, R., & Sills, R. (2017). Solute Drag on Dislocations [Presentation]. https://www.osti.gov/biblio/1507956

Boyce, B.L., Clark, B.G., Carroll, J.D., Noell, P., Sills, R., & Sills, R. (2017). Ductile Void Nucleation in Pure BCC Metals under Quasi-static Loading [Conference Poster]. https://www.osti.gov/biblio/1456770

Zhou, X., Karnesky, R.A., Sills, R., Ward, D.K., & Ward, D.K. (2017). Atomistic calculations of dislocation core energy in aluminium. Physical Review B, 95(5). 10.1103/PhysRevB.95.054112

Sills, R., Bertin, N., Cai, W., & Cai, W. (2016). Dislocation junctions and work hardening in FCC metals [Conference Poster]. https://www.osti.gov/biblio/1417451

Sills, R., Bertin, N., Cai, W., & Cai, W. (2016). Coarse-graining dislocation dynamics with length distributions [Conference Poster]. https://www.osti.gov/biblio/1415211

Sills, R., Aghaei, A., Bertin, N., Cai, W., & Cai, W. (2016). Role of Dislocation Junctions in the Work Hardening of Face-Centered Cubic Metals [Conference Poster]. https://www.osti.gov/biblio/1422113

Sills, R., Cai, W., & Cai, W. (2016). Orowan Looping with Platelet-like Precipitates in Overaged Aluminum-Copper Alloys [Conference Poster]. https://www.osti.gov/biblio/1398850

Sills, R., Aghaei, A., Bertin, N., Cai, W., & Cai, W. (2016). Junction Effects on Work Hardening Rates in Face-Centered Cubic Metals [Conference Poster]. https://www.osti.gov/biblio/1398849

Sills, R., Cai, W., & Cai, W. (2016). Orowan Looping with Platelet-like Precipitates in Overaged Aluminum-Copper Alloys [Conference Poster]. https://www.osti.gov/biblio/1394898

Sills, R., Cai, W., & Cai, W. (2016). Theoretical Analysis of Hydrogen-Dislocation Interactions [Conference Poster]. https://www.osti.gov/biblio/1394899

Sills, R., Aghaei, A., Cai, W., & Cai, W. (2016). Advanced time integration algorithms for dislocation dynamics simulations of work hardening. Modelling and Simulation in Materials Science and Engineering, 24(4). 10.1088/0965-0393/24/4/045019

Sills, R., Cai, W., & Cai, W. (2016). Solute drag on perfect and extended dislocations. Philosophical Magazine, 96(10), pp. 895-921. 10.1080/14786435.2016.1142677

Sills, R. (2016). Dislocation dynamics of face-centered cubic metals and alloys. https://www.osti.gov/biblio/1430475

Sills, R. (2016). Dislocation Dynamics of Face-Centered Cubic Metals and Alloys [Presentation]. https://www.osti.gov/biblio/1514357

Sun, Y., Sills, R., Hu, X., Seh, Z.W., Xiao, X., Xu, H., Luo, W., Jin, H., Xin, Y., Li, T., Zhang, Z., Zhou, J., Cai, W., Huang, Y., Cui, Y., & Cui, Y. (2015). A Bamboo-Inspired Nanostructure Design for Flexible, Foldable, and Twistable Energy Storage Devices. Nano Letters, 15(6), pp. 3899-3906. 10.1021/acs.nanolett.5b00738

Sills, R., Cai, W., & Cai, W. (2015). Characterizing Solute Drag on Perfect and Extended Dislocations [Conference Poster]. https://www.osti.gov/biblio/1256279

Sills, R., Cai, W., & Cai, W. (2014). Solute Drag on Dislocations [Conference Poster]. https://www.osti.gov/biblio/1242765

Sills, R., Cai, W., & Cai, W. (2014). Hydrogen Effects on Dislocation Dynamics and Metal Plasticity [Conference Poster]. https://www.osti.gov/biblio/1315168

Sills, R. (2011). Fracture length scales in delamination of composite materials [Presentation]. https://www.osti.gov/biblio/1662145

Sills, R. (2011). Fracture Length Scales in Delamination of Composite Materials [Conference]. https://www.osti.gov/biblio/1108054