[HTML][HTML] The Portevin-Le Chatelier effect in nickel-base superalloys: Origins, consequences and comparison to strain ageing in other alloy systems
BS Rowlands, C Rae, E Galindo-Nava - Progress in Materials Science, 2023 - Elsevier
Abstract Dynamic Strain Ageing (DSA) has reached widespread acceptance since its
proposal in the 1940's as the mechanism behind the Portevin-Le Chatelier effect in ferritic …
proposal in the 1940's as the mechanism behind the Portevin-Le Chatelier effect in ferritic …
Cantor-derived medium-entropy alloys: bridging the gap between traditional metallic and high-entropy alloys
The year 2004 marked the beginning of a new era in the design of metallic materials, as the
concept of multiple principal component alloys, commonly known as High-Entropy Alloys …
concept of multiple principal component alloys, commonly known as High-Entropy Alloys …
Outstanding tensile properties of a precipitation-strengthened FeCoNiCrTi0. 2 high-entropy alloy at room and cryogenic temperatures
Abstract A FeCoNiCrTi 0.2 high-entropy alloy strengthened by two types of coherent nano-
precipitates but with the same composition was fabricated, and its tensile properties at room …
precipitates but with the same composition was fabricated, and its tensile properties at room …
Phase transformation strengthening of high-temperature superalloys
Decades of research has been focused on improving the high-temperature properties of
nickel-based superalloys, an essential class of materials used in the hot section of jet turbine …
nickel-based superalloys, an essential class of materials used in the hot section of jet turbine …
[HTML][HTML] A model for dislocation creep in polycrystalline Ni-base superalloys at intermediate temperatures
EI Galindo-Nava, R Schlütter, O Messé… - International Journal of …, 2023 - Elsevier
A model for creep at intermediate temperatures in polycrystalline Ni-based superalloys is
presented. The model is based on describing stacking fault nucleation, propagation and …
presented. The model is based on describing stacking fault nucleation, propagation and …
Phase field modeling of defects and deformation
New perspectives on the phase field approach in modeling deformation and fracture at the
fundamental defect level are reviewed. When applied at sub-angstrom length scales the …
fundamental defect level are reviewed. When applied at sub-angstrom length scales the …
Atomic-scale characterization and modeling of 60 dislocations in a high-entropy alloy
High-entropy alloys (HEAs) are an exciting new class of multi-component alloys some of
which have unusual and remarkable properties. As of yet, little is understood about …
which have unusual and remarkable properties. As of yet, little is understood about …
Precipitate shearing, fault energies, and solute segregation to planar faults in Ni-, CoNi-, and Co-base superalloys
The mechanical properties of superalloys are strongly governed by the resistance to
shearing of ordered precipitates by dislocations. In the operating environments of …
shearing of ordered precipitates by dislocations. In the operating environments of …
On the faulting and twinning mediated strengthening and plasticity in a γʹ strengthened CoNi-based superalloy at room temperature
Microscopic defects and their mutual interactions are fundamentally important in deciding
the load carrying capacity of structural materials. In this context, the present work reports an …
the load carrying capacity of structural materials. In this context, the present work reports an …
Creep-induced planar defects in L12-containing Co-and CoNi-base single-crystal superalloys
Precipitate shearing mechanisms during single-crystal tensile creep of L1 2-containing Co-
and CoNi-base alloys have been investigated. Interrupted creep tests were conducted at …
and CoNi-base alloys have been investigated. Interrupted creep tests were conducted at …