Combining solution-, precipitation-and load-transfer strengthening in a cast Al-Ce-Mn-Sc-Zr alloy
Abstract A cast Al-9Ce-0.75 Mn-0.18 Sc-0.12 Zr (wt%) alloy is designed to combine three
strengthening phases:(i) micron-scale Al 11 Ce 3 platelets formed during eutectic …
strengthening phases:(i) micron-scale Al 11 Ce 3 platelets formed during eutectic …
Enhanced strength of L12-strengthened (FeCoNi) 79.5 Cr10. 5Al5Ti5 high-entropy alloy via Ta alloying and its refined strengthening mechanism model
In this study, we enhance the strength of L1 2-strengthened high-entropy alloy, proposed in
our previous study, by Ta alloying. Continuous precipitation is promoted, resulting in a …
our previous study, by Ta alloying. Continuous precipitation is promoted, resulting in a …
Microstructure, hardness, and creep of Co-Fe-Ni-based high-entropy superalloy processed by laser powder-bed fusion
Abstract A Co-Fe-Ni-based high-entropy superalloy (29Co-29Fe-29Ni-4.3 Al-4.3 Ti-4.3 V,
at.%) designed to form a γ/γ′ microstructure was fabricated via laser powder-bed fusion …
at.%) designed to form a γ/γ′ microstructure was fabricated via laser powder-bed fusion …
Co–Ni–Al–W γ/γ′ superalloy with Cr and Ti additions fabricated via laser fusion of elemental powders
A Co-based superalloy (Co-0.20 Ni-0.11 Al-0.07 W-0.04 Cr-0.03 Ti, mole fraction) was
synthesized by laser powder-bed fusion of a blend of elemental powders. The as-built alloy …
synthesized by laser powder-bed fusion of a blend of elemental powders. The as-built alloy …
Microstructure and mechanical properties of cast, eutectic Al-Ce-Ni-Mn-Sc-Zr alloys with multiple strengthening mechanisms
The effects of Ni additions on microstructure and microhardness of near-eutectic Al-9Ce-xNi-
0.75 Mn-0.18 Sc-0.12 Zr (x= 2.5, 3.2, and 3.9 wt.%) alloys are investigated for various …
0.75 Mn-0.18 Sc-0.12 Zr (x= 2.5, 3.2, and 3.9 wt.%) alloys are investigated for various …
Leveraging a coarse yet strong matrix in L12-strengthened high-entropy alloy through simplified thermomechanical processing
Abstract High-entropy alloys (HEAs), characterized by their unique design concept without a
distinct major element, offer a versatile alloy design window while ensuring outstanding …
distinct major element, offer a versatile alloy design window while ensuring outstanding …
Insights into the degradation mechanism of Fe-40Ni-15Co superalloy exposed to marine atmospheric and high-temperature conditions
This study investigated the corrosion and oxidation mechanism of the Cr-free Fe-40Ni-15Co
superalloy with exposure to a tropical marine atmosphere for one year and a subsequent …
superalloy with exposure to a tropical marine atmosphere for one year and a subsequent …
A novel L12-strengthened single crystal high entropy alloy with excellent high-temperature mechanical properties
In this work, a novel and low-cost L1 2-strengthened single crystal high entropy alloy (HEA)
was prepared through the seeding method of directional solidification. The microstructures …
was prepared through the seeding method of directional solidification. The microstructures …
Microstructure evolution and improved mechanical properties of a cobalt modified nickel-based superalloy
Abstract Effect of cobalt on microstructures and mechanical properties of Nimonic 80A has
been investigated. Room temperature tensile strength increases by about 8.8%, and stress …
been investigated. Room temperature tensile strength increases by about 8.8%, and stress …
Alloying Effects on Phase Stability and Mechanical Properties of Co-Fe-Ni High-Entropy Γ-Γ′ Superalloys
Nine cast multi-principal element superalloys with novel compositions are studied,
comprising (i) a high-entropy equiatomic CoFeNi matrix,(ii) three lightweight γ′-formers (Al …
comprising (i) a high-entropy equiatomic CoFeNi matrix,(ii) three lightweight γ′-formers (Al …