Design and tailoring of alloys for additive manufacturing
Additive manufacturing (AM) promises a major transformation for manufacturing of metallic
components for aerospace, medical, nuclear, and energy applications. This perspective …
components for aerospace, medical, nuclear, and energy applications. This perspective …
High-strength Co–Al–V-base superalloys strengthened by γ′-Co3 (Al, V) with high solvus temperature
Y Chen, C Wang, J Ruan, T Omori, R Kainuma… - Acta Materialia, 2019 - Elsevier
The γ/γ′ two-phase Co–Al–V-base superalloys are investigated in detail, including their
phase equilibria, alloying effects, and alloy design. The experimental proof of the existence …
phase equilibria, alloying effects, and alloy design. The experimental proof of the existence …
Development of low-density γ/γ′ Co–Al–Ta-based superalloys with high solvus temperature
The present paper reports the development of W-, Mo-, and V-free and Ni-and Cr-containing
Co–Al–Ta-based superalloys. In particular, the presence of a metastable L1 2-γ′ phase is …
Co–Al–Ta-based superalloys. In particular, the presence of a metastable L1 2-γ′ phase is …
Hot deformation behavior and flow stress modeling of a novel CoNi-based wrought superalloy
The thermal deformation behavior and flow stress modeling of a novel CoNi-based wrought
superalloy after forging was investigated at γ'sub-solvus temperature (1050° C and 1075° C) …
superalloy after forging was investigated at γ'sub-solvus temperature (1050° C and 1075° C) …
Atomic structure and elemental segregation behavior of creep defects in a Co-Al-W-based single crystal superalloys under high temperature and low stress
With the aim of understanding the effect of creep defects in the γ′ phase on the creep
resistance, the atomic structure and elemental segregation behavior of stacking faults (SFs) …
resistance, the atomic structure and elemental segregation behavior of stacking faults (SFs) …
Segregation-assisted phase transformation and anti-phase boundary formation during creep of a γ′-strengthened Co-based superalloy at high temperatures
In this study, the creep defects and segregation-assisted local phase transformation
processes in a γ′-strengthened Co-based superalloy crept at 982° C/248 MPa-1% and …
processes in a γ′-strengthened Co-based superalloy crept at 982° C/248 MPa-1% and …
Quantification of the temperature-dependent evolution of defect structures in a CoNi-base superalloy
Quantifying the individual contributions of specific deformation mechanisms to the total
plastic strain is of primary importance to understand the underlying deformation behavior …
plastic strain is of primary importance to understand the underlying deformation behavior …
Creep strengthening mechanisms of a superlattice γ′-strengthened Co–Al–W–Ta–Ti single crystal superalloy at steady-state conditions under compressive stresses
The strengthening mechanism of steady-state creep is a critical factor in developing
advanced superalloys. In this study, the steady-state creep mechanisms of a superlattice γ …
advanced superalloys. In this study, the steady-state creep mechanisms of a superlattice γ …
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 …
Plasticity assisted redistribution of solutes leading to topological inversion during creep of superalloys
We have studied the large-scale plasticity assisted topological inversion in a Ni-based
superalloy after creep at 850° C. Multi-scale characterization from the micro-to the near …
superalloy after creep at 850° C. Multi-scale characterization from the micro-to the near …