L12-Strengthened Cobalt-Base Superalloys
A Suzuki, H Inui, TM Pollock - Annual Review of Materials …, 2015 - annualreviews.org
The discovery of the γ′-Co3 (Al, W) phase with an L12 structure provided Co-base alloys
with a new strengthening mechanism, enabling a new class of high-temperature material …
with a new strengthening mechanism, enabling a new class of high-temperature material …
High resolution energy dispersive spectroscopy mapping of planar defects in L12-containing Co-base superalloys
Local chemical fluctuations in the vicinity of superlattice intrinsic stacking faults (SISFs) have
been observed via high resolution energy dispersive X-ray spectroscopy (EDS) mapping in …
been observed via high resolution energy dispersive X-ray spectroscopy (EDS) mapping in …
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 …
Impact of boron as an alloying addition on the microstructure, thermo-physical properties and creep resistance of a tungsten-free Co-base γ/γ′ superalloy
While boron is added to many structural alloys primarily as a grain-boundary strengthener, it
has myriad other implications on the microstructure and thermophysical properties of these …
has myriad other implications on the microstructure and thermophysical properties of these …
Atomic and electronic basis for solutes strengthened (010) anti-phase boundary of L12 Co3 (Al, TM): a comprehensive first-principles study
The crystallographic and electronic structures of (010) APB of L1 2 Co 3 Al 0.75 TM 0.25 are
studied by high-resolution transmission electron microscopy and first-principles calculations …
studied by high-resolution transmission electron microscopy and first-principles calculations …
Microstructure and creep performance of a multicomponent co-based L12–ordered intermetallic alloy
The chemistry, thermodynamics and mechanical properties of the L1 2-ordered Co 3 (Al, W)
γ'-phase are crucial for the understanding of γ (fcc)/γ'(L1 2) cobalt-based superalloys. A …
γ'-phase are crucial for the understanding of γ (fcc)/γ'(L1 2) cobalt-based superalloys. A …
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 …
Sub/micro-structural evolution of a Co–Al–W–Ta–Ti single crystal superalloy during creep at 900° C and 420 MPa
In order to clarify the high temperature strengthening mechanism of Co–Al–W-base
superalloys, the tensile creep behavior of a Co–Al–W–Ta–Ti single crystal alloy was …
superalloys, the tensile creep behavior of a Co–Al–W–Ta–Ti single crystal alloy was …
The effects of Ti and Ta on the microstructure and high temperature deformation mechanisms of the CoNi-based superalloys
The roles of the alloying elements, Ti and Ta, on the γ'strengthening phase and the
corresponding high temperature deformation responses of the CoNi-based superalloys …
corresponding high temperature deformation responses of the CoNi-based superalloys …