Results 111 to 120 of about 518 (155)

Powder Metallurgy Processing to Enhance Superelasticity and Shape Memory in Polycrystalline Cu-Al-Ni Alloys: Reference Material for Additive Manufacturing. [PDF]

open access: yesMaterials (Basel)
Pérez-Cerrato M   +8 more
europepmc   +1 more source

Steady-state kinetics of diffusionless first order phase transformations

open access: closedThe Journal of Chemical Physics, 1977
An attempt is made to describe the kinetics of diffusionless first order phase transformations in terms of the time-dependent Landau–Ginzburg equation. A steady-state solution to the equation is presented such that an interface may propagate with a shape-preserving profile under constant supercooling.
Sai‐Kit Chan
openalex   +2 more sources

Crystal defect generation during diffusionless transformations of boron nitride by puckering mechanism

open access: closedJournal of Materials Science, 1999
The fine structure of wurtzitic and zincblende BN phases formed during diffusionless transformations by the puckering mechanism was investigated by X-ray diffraction and transmission electron microscopy. The formation of inversion boundaries in prismatic planes of wurtzitic BN was detected.
V. F. Britun, A. V. Kurdyumov
openalex   +2 more sources

Molecular dynamics simulation of diffusionless phase transformation in a quenched NiAl alloy model

open access: closedJournal of Physics and Chemistry of Solids, 2002
Abstract Interatomic potentials have great importance in the analysis and calculations of some parameters in atomic scale. These calculations are realised by the computer simulation techniques. In the present study, a molecular dynamics (MD) simulation method which allows the system to vary in shape and size was used for the investigation of ...
S. Özgen, Osman Adigüzel
openalex   +2 more sources

Resolving the diffusionless transformation process of twinning in single crystal plasticity theory

open access: closedInternational Journal of Plasticity, 2019
Abstract This paper outlines a single crystal plasticity theory for the mesoscale resolution of the diffusionless transformation process of deformation twinning. Unlike prevalent crystal plasticity models of lattice transformation that characterize volume fraction evolution of coexisting parent and product lattices at a material point, our model ...
Chunyang Huang   +2 more
openalex   +2 more sources

Nature of axial ratio anomalies of the martensite lattice and mechanism of diffusionless γ → α transformation

open access: closedScripta Metallurgica, 1975
Abstract The results of recent X-ray and neutron studies of axial ratio anomalies associated with carbon atom distributions in the tetragonal martensite lattice are analyzed. This analysis shows that the C-atom distribution in freshly formed martensite is usually partly disordered except for some Al and high-nickel steels in which all the C-atoms are
G.V. Kurdjumov, A. G. Khachaturyan
openalex   +2 more sources

Diffusionless phase transformations of Ru2Si3, Ru2Ge3 and Ru2Sn3 II: electrical and magnetic properties

open access: closedJournal of the Less Common Metals, 1980
C. Susz   +3 more
openalex   +2 more sources

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