Manipulating Stacking Fault Energy to Achieve Crack Inhibition and Superior Strength–Ductility Synergy in an Additively Manufactured High‐Entropy Alloy
Additive manufacturing (AM) is a revolutionary technology that heralds a new era in metal
processing, yet the quality of AM‐produced parts is inevitably compromised by cracking …
processing, yet the quality of AM‐produced parts is inevitably compromised by cracking …
Utilizing local phase transformation strengthening for nickel-base superalloys
Almost 75 years of research has been devoted to producing superalloys capable of higher
operating temperatures in jet turbine engines, and there is an ongoing need to increase …
operating temperatures in jet turbine engines, and there is an ongoing need to increase …
Localized phase transformation at stacking faults and mechanism-based alloy design
A new phenomenon has been observed in some Ni-based superalloys where phase
transformations occur at and are confined to stacking faults, which we refer to as localized …
transformations occur at and are confined to stacking faults, which we refer to as localized …
[HTML][HTML] Thermodynamic calculation and machine learning aided composition design of new nickel-based superalloys
Q Ma, X Li, R Xin, E Liu, Q Gao, L Sun, X Zhang… - Journal of Materials …, 2023 - Elsevier
At present, the operating temperature of the fourth-generation of nickel-based powder
superalloys has not reach the target of 815° C, and the traditional superalloy design and …
superalloys has not reach the target of 815° C, and the traditional superalloy design and …
Dynamic localized phase transformation at stacking faults during creep deformation and new criterion for superalloy design
A novel phenomenon, dynamic localized phase transformation (LPT) at stacking faults
during deformation, has been observed in various Ni-base and Co-base superalloys and …
during deformation, has been observed in various Ni-base and Co-base superalloys and …
Local phase transformation strengthening at Microtwin boundaries in nickel-based superalloys
This work investigated two similar polycrystalline alloys, differing by only 1 at% Nb content,
which elucidated its effect on local phase transformation strengthening during high …
which elucidated its effect on local phase transformation strengthening during high …
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 …
Understanding the composition-dependent stability of η phase for future Ni-Co-based superalloys
X Yu, Z Yu, L Zhang, H Yu, L Zhao, W Zhang, J Ruan… - Scripta Materialia, 2022 - Elsevier
Abstract Knowledge associated with the alloying effects of Al, Ti, Ta and Nb on phase
stability of Ni-Co-based superalloys plays a significant role in efficiently exploring the multi …
stability of Ni-Co-based superalloys plays a significant role in efficiently exploring the multi …
[HTML][HTML] Atomic study on phase transformation of the strengthening phase in a die-casting Mg–Al–La alloy via an intermediate phase
S Lv, F Meng, Q Yang, K Guan, J Meng - Materials & Design, 2021 - Elsevier
Phase transformation in structural alloys is of practical significance for their security services.
Understanding phase transformation of strengthening intermetallic phases and its influence …
Understanding phase transformation of strengthening intermetallic phases and its influence …