Hydrogen-induced attractive force between two partials of edge dislocation in nickel

G Jinjin, Z Yin, C Dengke - Journal of Applied …, 2023 - asmedigitalcollection.asme.org
edge dislocation, we reveal that there exists an additional attractive force between two partials
… This hydrogen-induced attractive force is quantitatively estimated by means of continuum …

Correlation between dislocation organization and slip bands: TEM and AFM investigations in hydrogen-containing nickel and nickel–chromium

G Girardin, C Huvier, D Delafosse, X Feaugas - Acta Materialia, 2015 - Elsevier
… 4 by the long screw dislocations observed at a strain of 10%. Consequently, with the …
shielding of interactions between partial dislocations and reduction of the constriction work per unit …

Trapping of hydrogen to lattice defects in nickel

JE Angelo, NR Moody, MI Baskes - Modelling and Simulation in …, 1995 - iopscience.iop.org
… of the partial dislocations which form when the edge dislocation … activation energy for
hydrogen-induced embrittlement as … in nickel, and to a much lesser extent to edge and screw

Hydrogen-induced degradation behavior of nickel alloy 625, studied using multiscale in-situ experiments

CK Soundararajan - 2023 - ntnuopen.ntnu.no
… ) for partial fulfillment of requirements for the Doctor of Philosophy degree (PhD). The work
was done between … of screw dislocations in bcc iron”. In: Acta Materialia 51.6 (Apr. 2003), pp. …

Studying hydrogen effect on the core structure and mobility of dislocation in nickel by atomistically-informed generalized Peierls–Nabarro model

Z Zheng, S Liang, Y Zhu, M Huang, Z Li - Mechanics of Materials, 2020 - Elsevier
… For an extended screw dislocation, each of the two partial dislocations is a mixed … From
our calculations, A is 13.80 for the edge dislocations and 8.73 for the screw dislocations, …

Numerical simulations of hydrogen–dislocation interactions in fcc stainless steels.: part I: hydrogen–dislocation interactions in bulk crystals

JP Chateau, D Delafosse, T Magnin - Acta Materialia, 2002 - Elsevier
… In other words, the interaction between hydrogen-induced strains and a hydrostatic stress σ
… around a dissociated screw dislocation in nickel (c=0.05). Only the partial's edge component …

Revisiting mechanisms for hydrogen-assisted fracturing of Ni-Fe-Cr alloys

K Kawano-Miyata - Materials Science and Engineering: A, 2022 - Elsevier
dislocations from a planar one, with edge dislocations, to a … of the existence of
hydrogen-induced vacancies for strains … distance of transition metals such as nickel, iron, and …

Mobility of Hydrogen-Vacancy Complexes in Nickel

B Kokkengada Madappa - 2016 - repository.library.carleton.ca
… to be associated with hydrogen-induced plasticity in the … sites and in the Shockley partial
core of dislocations [72] are both … nickel where as lower extent to edge and screw dislocations. …

Atomistic simulations of the interactions of hydrogen with dislocations in fcc metals

Y Tang, JA El-Awady - Physical Review B—Condensed Matter and Materials …, 2012 - APS
… the dissociation of screw dislocations in nickel (Ni) using the … near a partial core of an edge
dislocation moved along two 〈… behavior of dislocations, such as hydrogeninduced softening …

Multi-scale study of hydrogen-assisted cracking in nickel-based superalloys

X Lu - 2020 - ntnuopen.ntnu.no
… of hydrogen-induced cracking and hydrogen-dislocation … boundary conditions, the above
partial differential equation can be … An example of hydrogen induced intergranular cracking on …