Twin nucleation from a single dislocation in hexagonal close-packed crystals
Sign Up to like & getrecommendations! Published in 2021 at "Acta Materialia"
DOI: 10.1016/j.actamat.2020.10.038
Abstract: Abstract Twinning plays an important role in governing the balance between strength and ductility in hexagonal-close-packed (HCP) metals. Here, we report a combined experimental and theoretical study of twin nucleation from a single dislocation in… read more here.
Keywords: hexagonal close; dislocation; nucleation; close packed ... See more keywords
Applied machine learning to predict stress hotspots II: Hexagonal close packed materials
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Plasticity"
DOI: 10.1016/j.ijplas.2018.08.003
Abstract: Stress hotspots are regions of stress concentrations that form under deformation in polycrystalline materials. We use a machine learning approach to study the effect of preferred slip systems and microstructural features that reflect local crystallography,… read more here.
Keywords: stress; close packed; machine learning; hexagonal close ... See more keywords
Characterization of topologically close-packed phases and precipitation behavior of P phase in a Ni-based single crystal superalloy
Sign Up to like & getrecommendations! Published in 2020 at "Intermetallics"
DOI: 10.1016/j.intermet.2020.106887
Abstract: Abstract Scanning electron microscopes (SEM) and transmission electron microscopes (TEM) were employed to investigate the topologically close-packed (TCP) phases in an experimental nickel base single crystal superalloy. Orientation relationships between P phase and matrix were… read more here.
Keywords: phase; topologically close; single crystal; close packed ... See more keywords
On minimal energy dipole moment distributions in regular polygonal agglomerates
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2016.08.022
Abstract: Abstract Static, regular polygonal and close-packed clusters of spherical magnetic particles and their energy-minimizing magnetic moments are investigated in a two-dimensional setting. This study focuses on a simple particle system which is solely described by… read more here.
Keywords: energy; field; regular polygonal; polygonal agglomerates ... See more keywords
Void growth and coalescence in hexagonal close packed crystals
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2018.12.012
Abstract: Abstract Crystal plasticity finite element analyses are carried out in three dimensions to investigate void evolution in hexagonal close packed single crystals. Two crystallographic orientations are considered favoring either slip or twinning, which are both… read more here.
Keywords: close packed; void growth; growth coalescence; hexagonal close ... See more keywords
FCC or HCP: The stable close-packed lattice of crystallographically equivalent spherical micelles in block copolymer/homopolymer blend
Sign Up to like & getrecommendations! Published in 2019 at "Polymer"
DOI: 10.1016/j.polymer.2019.02.041
Abstract: Abstract Spherical micelles formed by block copolymers (bcps) are soft colloids capable of packing into three-dimensionally ordered lattice. Although close-packed sphere structure has been predicted to exist over a narrow region in the phase diagram,… read more here.
Keywords: hcp; crystallographically equivalent; lattice; spherical micelles ... See more keywords
On the interdiffusion and precipitation of topologically close-packed phases in (Ni,Pt)Al coating/superalloy system: Effects of Pt and Ni contents in coating
Sign Up to like & getrecommendations! Published in 2021 at "Vacuum"
DOI: 10.1016/j.vacuum.2021.110527
Abstract: Abstract In combination with the electroplating and electron beam physical vapor deposition (EB-PVD), four types of (Ni,Pt)Al coatings, namely Ni45Al, (Ni,Pt)45Al, Ni50Al, and (Ni,Pt)50Al were prepared. In order to study the interdiffusion and topologically close-packed… read more here.
Keywords: topologically close; close packed; tcp; precipitation ... See more keywords
Toward an Understanding of Deformation Mechanisms in Metallic Lithium and Sodium from First-Principles
Sign Up to like & getrecommendations! Published in 2019 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.9b03422
Abstract: Metallic lithium and sodium are actively investigated as anodes for all solid-state batteries. While the mechanical properties of Li and Na remain poorly understood, there is a growing consensus that they play a crucial role… read more here.
Keywords: lithium sodium; close packed; metallic lithium; first principles ... See more keywords
Modified Anion Packing of Na2B12H12 in Close to Room Temperature Superionic Conductors.
Sign Up to like & getrecommendations! Published in 2017 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b00013
Abstract: Three different types of anion packing, i.e., hexagonal close packed (hcp), cubic close packed (ccp), and body centered cubic (bcc), are investigated experimentally and with ab initio calculations in the model system Na2B12H12. Solvent free… read more here.
Keywords: anion; modified anion; temperature; anion packing ... See more keywords
Synergistic Effects of Crystal Phase and Strain for N2 Dissociation on Ru(0001) Surfaces with Multilayered Hexagonal Close-Packed Structures
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.1c06400
Abstract: The synergistic effects of strain and crystal phase on the reaction activity of nitrogen molecule dissociation have been studied using density functional theory calculations on Ru(0001) surfaces with multilayered hexagonal close-packed structures. The phase transformation… read more here.
Keywords: 0001 surfaces; close packed; dissociation; crystal phase ... See more keywords
Direct observation of dual-step twinning nucleation in hexagonal close-packed crystals
Sign Up to like & getrecommendations! Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-16351-0
Abstract: Design and processing of advanced lightweight structural alloys based on magnesium and titanium rely critically on a control over twinning that remains elusive to date and is dependent on an explicit understanding on the twinning… read more here.
Keywords: hexagonal close; twinning nucleation; close packed; step twinning ... See more keywords