Solving recent challenges for wrought Ni-base superalloys
MC Hardy, M Detrois, ET McDevitt, C Argyrakis… - … Materials Transactions A, 2020 - Springer
This paper reviews the status of technology in design and manufacture of new wrought
polycrystalline Ni-base superalloys for critical engineering applications. There is a strong …
polycrystalline Ni-base superalloys for critical engineering applications. There is a strong …
Strengthening mechanisms in polycrystalline nickel-based superalloys
AJ Goodfellow - Materials Science and Technology, 2018 - Taylor & Francis
Nickel-based superalloys are currently the material of choice for use in high-temperature
applications due to their excellent high-temperature strength. It is understood that many …
applications due to their excellent high-temperature strength. It is understood that many …
[图书][B] Dislocations, mesoscale simulations and plastic flow
L Kubin - 2013 - books.google.com
In the past twenty years, new experimental approaches, improved models and progress in
simulation techniques have brought new insights into longstanding issues concerning …
simulation techniques have brought new insights into longstanding issues concerning …
Slip mode dependency of dislocation shearing and looping of precipitates in Mg alloy WE43
The effect of precipitates on the strength of Mg alloy, WE43, has been investigated.
Transmission electron microscopy (TEM) provides unequivocal evidence that the ordered …
Transmission electron microscopy (TEM) provides unequivocal evidence that the ordered …
Origins of strengthening and toughening effects in twinned nanocrystalline alloys of low stacking fault energy with heterogeneous grain structure
Low stacking-fault energy (SFE) nanocrystalline alloys with pre-existing nanotwins (PNTs)
and heterogeneous grain structure (HGS) exhibit exceptional strength-ductility …
and heterogeneous grain structure (HGS) exhibit exceptional strength-ductility …
Mechanical properties of an Al10Nb20Ta15Ti30V5Zr20 A2/B2 refractory superalloy and its constituent phases
Refractory superalloys (RSAs) are a new class of high-temperature structural materials
consisting of a nanometer-sized mixture of two coherent A2 (disordered BCC) and B2 …
consisting of a nanometer-sized mixture of two coherent A2 (disordered BCC) and B2 …
Temperature dependent deformation behavior and strengthening mechanisms in a low density refractory high entropy alloy Al10Nb15Ta5Ti30Zr40
A low-density high entropy alloy Al 10 Nb 15 Ta 5 Ti 30 Zr 40 has been developed which
exhibits excellent compressive room temperature ductility, despite the presence of Al …
exhibits excellent compressive room temperature ductility, despite the presence of Al …
Effect of climb on dislocation mechanisms and creep rates in γ′-strengthened Ni base superalloy single crystals: A discrete dislocation dynamics study
Creep of single-crystal superalloys is governed by dislocation glide, climb, reactions and
annihilation. Discrete three-dimensional (3D) dislocation dynamics (DDD) simulations are …
annihilation. Discrete three-dimensional (3D) dislocation dynamics (DDD) simulations are …
A discrete dislocation dynamics study of precipitate bypass mechanisms in nickel-based superalloys
Order strengthening in nickel-based superalloys is associated with the extra stress required
for dislocations to bypass the γ′ precipitates distributed in the γ matrix. Depending on the …
for dislocations to bypass the γ′ precipitates distributed in the γ matrix. Depending on the …
Effect of lattice misfit on the evolution of the dislocation structure in Ni-based single crystal superalloys during thermal exposure
In this study, we investigate the movement of dislocations in Ni-based superalloys under the
influence of lattice misfit stresses between the ordered γ'-cuboids and the disordered γ …
influence of lattice misfit stresses between the ordered γ'-cuboids and the disordered γ …