Sustainability through alloy design: Challenges and opportunities
Exciting metallurgical breakthroughs of the last decades alongside the development and
wide-ranging availability of new and more capable experimental and theoretical tools for …
wide-ranging availability of new and more capable experimental and theoretical tools for …
Precipitate shearing, fault energies, and solute segregation to planar faults in Ni-, CoNi-, and Co-base superalloys
YM Eggeler, KV Vamsi… - Annual Review of Materials …, 2021 - annualreviews.org
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 …
A defect-resistant Co–Ni superalloy for 3D printing
Additive manufacturing promises a major transformation of the production of high economic
value metallic materials, enabling innovative, geometrically complex designs with minimal …
value metallic materials, enabling innovative, geometrically complex designs with minimal …
Microstructures and properties of a novel γ′-strengthened multi-component CoNi-based wrought superalloy designed by CALPHAD method
The γ′-strengthened Co-based superalloys have a lower γ′ solvus temperature and a
higher γ′ volume fraction compared with Ni-based wrought superalloys, making this type of …
higher γ′ volume fraction compared with Ni-based wrought superalloys, making this type of …
Exploring the correlation between microscopic mechanisms and macroscopic behaviour in creep of a directionally solidified tungsten-free γ/γ′ CoNi-base superalloy
We describe in detail the deformation micromechanisms operative during the compressive
creep of a directionally solidified (DS) tungsten-free γ/γ'Cobalt-base superalloy across a …
creep of a directionally solidified (DS) tungsten-free γ/γ'Cobalt-base superalloy across a …
Dynamic Nanoindentation and Short-Range Order in Equiatomic NiCoCr Medium-Entropy Alloy Lead to Novel Density Wave Ordering
Chemical short-range order is believed to be a key contributor to the exceptional properties
of multicomponent alloys. However, its direct validation and confirmation has been highly …
of multicomponent alloys. However, its direct validation and confirmation has been highly …
Creep properties and deformation mechanisms of single-crystalline γ′-strengthened superalloys in dependence of the Co/Ni ratio
Co-base superalloys are considered as promising high temperature materials besides the
well-established Ni-base superalloys. However, Ni appears to be an indispensable alloying …
well-established Ni-base superalloys. However, Ni appears to be an indispensable alloying …
The effect of temperature on the high-strain-rate response of Co-Al-W-base alloys: Experiments and modeling
Abstract Two novels Powder Metallurgy (PM) cobalt-based superalloys with a γ/γ'dual-phase
microstructure have been subjected to dynamic uniaxial compression tests at temperatures …
microstructure have been subjected to dynamic uniaxial compression tests at temperatures …
Low Cycle Fatigue of Single Crystal -containing Co-based Superalloys at
SP Murray, JC Stinville, PG Callahan, RK Rhein… - … Materials Transactions A, 2020 - Springer
A new class of γ^ ′ γ′-containing Co-based superalloys that are promising for high
temperature applications has been investigated under cyclic loading conditions. A series of …
temperature applications has been investigated under cyclic loading conditions. A series of …
Crystallization behavior of ternary γ–γ′ Co–Al–W alloy
In the investigation, crystallization behavior of ternary γ–γ′ alloy based on Co–Al–W system
was analyzed. The alloy with nominal composition Co–9Al–9W (at.%) was prepared via …
was analyzed. The alloy with nominal composition Co–9Al–9W (at.%) was prepared via …