Structural evolutions of metallic materials processed by severe plastic deformation
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …
high strength, making them attractive for high strength, lightweight and energy efficient …
Dislocation modelling of shear in fcc crystals
PJ Jackson - Progress in materials science, 1985 - Elsevier
Dislocation glide during the plastic deformation of crystalline materials creates a
heterogeneous microstructure that often consists of misoriented cells of subgrains. It is …
heterogeneous microstructure that often consists of misoriented cells of subgrains. It is …
Creep resistance of CMSX-3 nickel base superalloy single crystals
TM Pollock, AS Argon - Acta Metallurgica et Materialia, 1992 - Elsevier
Creep deformation in< 001> oriented nickel base superalloy single crystals has been
studied in an effort to assess the factors which contribute to the overall creep resistance of …
studied in an effort to assess the factors which contribute to the overall creep resistance of …
Dislocation dynamics. I. A proposed methodology for deformation micromechanics
RJ Amodeo, NM Ghoniem - Physical Review B, 1990 - APS
A new methodology in computational micromechanics, dislocation dynamics (DD), is
introduced. Dislocation dynamics is developed for examining the dynamic behavior of …
introduced. Dislocation dynamics is developed for examining the dynamic behavior of …
Dislocation density based model for plastic deformation and globularization of Ti-6Al-4V
B Babu, LE Lindgren - International Journal of Plasticity, 2013 - Elsevier
Abstract Although Ti-6Al-4V has numerous salient properties, its usage for certain
applications is limited due to the challenges faced during manufacturing. Understanding the …
applications is limited due to the challenges faced during manufacturing. Understanding the …
Cold work hardening in stages IV and V of FCC metals—II. Model fits and physical results
M Zehetbauer - Acta metallurgica et materialia, 1993 - Elsevier
The paper presents a common concept for work hardening of fcc metals at temperatures
below 0.5 T m up to very high strains. The concept considers statistical dislocation dynamics …
below 0.5 T m up to very high strains. The concept considers statistical dislocation dynamics …
Recovery of AlMg alloys: flow stress and strain-hardening properties
The recovery of Al–2.5 wt% Mg alloys cold-rolled to several strains between 0.1 and 3 has
been studied essentially using tensile tests. The yield stress and strain-hardening properties …
been studied essentially using tensile tests. The yield stress and strain-hardening properties …
Dislocations and high-temperature plastic deformation of superalloy single crystals
TM Pollock, RD Field - Dislocations in solids, 2002 - Elsevier
Publisher Summary Nickel-base superalloys remain unsurpassed by any other system for
their ability to tolerate substantial stresses at temperatures up to 90% of melting. This is …
their ability to tolerate substantial stresses at temperatures up to 90% of melting. This is …
A new mechanism of work hardening in the late stages of large strain plastic flow in FCC and diamond cubic crystals
AS Argon, P Haasen - Acta metallurgica et materialia, 1993 - Elsevier
A new mechanism of work hardening is proposed to explain the athermal hardening in
Stage IV of fcc and diamond cubic crystals. The mechanism is related to a cellular …
Stage IV of fcc and diamond cubic crystals. The mechanism is related to a cellular …
Additively manufactured Haynes-282 monoliths containing thin wall struts of varying thicknesses
Magnitude and distribution of residual stresses in additively manufactured Ni-based
superalloys may impact the mechanical performance of as-fabricated parts. Though electron …
superalloys may impact the mechanical performance of as-fabricated parts. Though electron …