Search Results - "Sills, R.B."

An Fe–Ni–Cr–H interatomic potential and predictions of hydrogen-affected stacking fault energies in austenitic stainless steels by Zhou, X.W., Nowak, C., Skelton, R.S., Foster, M.E., Ronevich, J.A., San Marchi, C., Sills, R.B.

“…While Fe–Ni–Cr austenitic stainless steels exhibit relatively good resistance to hydrogen embrittlement, they still suffer from significant degradation of…”
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Comparison of continuum and cross-core theories of dynamic strain aging by Epperly, E.N., Sills, R.B.

“…Dynamic strain aging (DSA) is the process of solute atoms segregating around dislocations on the timescale of loading. Continuum theories of DSA derived from…”
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Erratum to ‘Transient solute drag and strain aging of dislocations’ Acta Materialia, Volume 193, (2020) 182-190 by Epperly, E.N., Sills, R.B.

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Transient solute drag and strain aging of dislocations by Epperly, E.N., Sills, R.B.

“…[Display omitted] The transient drag force exerted by mobile solutes on a moving dislocation is computed using continuum theory. These mobile solutes form…”
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Validating continuum theory for Cottrell atmosphere solute drag by molecular dynamics simulations by Nowak, C., Zhou, X.W., Sills, R.B.

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Enabling molecular dynamics simulations of helium bubble formation in tritium-containing austenitic stainless steels: An Fe-Ni-Cr-H-He potential by Zhou, X.W., Foster, M.E., Sills, R.B.

“…Formation of helium bubbles impacts mechanical properties of materials used in nuclear applications. An Fe-Ni-Cr-H-He quinary potential capable of direct…”
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Slip transmission and voiding during slip band Intersections in Fe70Ni10Cr20 stainless steel by Zhou, X.W., Skelton, R., Sills, R.B., Marchi, C. San

“…Slip blockage during slip band intersections impacts mechanical properties of crystalline materials. Molecular dynamics simulations of eight band intersections…”
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Atomistic simulations of hydrogen distribution in Fe–C steels by Nowak, C., Sills, R.B., Ronevich, J.A., San Marchi, C.W., Zhou, X.W.

“…To engineer low-cost Fe–C based steels for application in hydrogen energy technologies, an understanding of the hydrogen distribution inside the material and…”
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Molecular dynamics studies of helium bubble effects on grain boundary fracture vulnerabilities in an Fe70Ni11Cr19–1%H austenitic stainless steel by Zhou, X.W., Foster, M.E., Sills, R.B.

“…Comprehensive molecular dynamics tensile test simulations have been performed to study the delamination processes of seven different grain boundaries /…”
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Modeling a distribution of point defects as misfitting inclusions in stressed solids by Cai, W., Sills, R.B., Barnett, D.M., Nix, W.D.

“…The chemical equilibrium distribution of point defects modeled as non-overlapping, spherical inclusions with purely positive dilatational eigenstrain in an…”
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Cohesive-length scales for damage and toughening mechanisms by Sills, R.B., Thouless, M.D.

“…[Display omitted] While toughening and damage might seem to be two contradictory concepts for the mechanics of crack growth, they are actually the same…”
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The effect of cohesive-law parameters on mixed-mode fracture by Sills, R.B., Thouless, M.D.

“…Cohesive-zone models of fracture provide a framework that allows a smooth transition between a strength-based approach to fracture and an energy-based…”
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