[HTML][HTML] A 3D printable alloy designed for extreme environments
Multiprincipal-element alloys are an enabling class of materials owing to their impressive
mechanical and oxidation-resistant properties, especially in extreme environments,. Here …
mechanical and oxidation-resistant properties, especially in extreme environments,. Here …
Solving oxygen embrittlement of refractory high-entropy alloy via grain boundary engineering
Refractory high-entropy alloys (RHEAs), particularly NbMoTaW RHEAs, exhibit outstanding
softening resistance and thermal stability at ultra-high temperatures, but suffer from room …
softening resistance and thermal stability at ultra-high temperatures, but suffer from room …
Hot cracking mechanism affecting a non-weldable Ni-based superalloy produced by selective electron Beam Melting
A non weldable nickel-based superalloy was fabricated by powder bed-based selective
electron beam melting (S-EBM). The as-built samples exhibit a heterogeneous …
electron beam melting (S-EBM). The as-built samples exhibit a heterogeneous …
Short-range order strengthening in boron-doped high-entropy alloys for cryogenic applications
Boron doping with an adequate concentration is highly desirable for alloy development
because it profoundly improves the material's interface cohesion via interfacial segregation …
because it profoundly improves the material's interface cohesion via interfacial segregation …
Boron in Heat‐Treatable Steels: A Review
The science and technology of boron addition to heat‐treatable steels are explained. The
aim is to address the following: How to add boron to steel (ie, the manufacturing aspects of …
aim is to address the following: How to add boron to steel (ie, the manufacturing aspects of …
Atomic-scale grain boundary engineering to overcome hot-cracking in additively-manufactured superalloys
There are still debates regarding the mechanisms that lead to hot cracking in parts build by
additive manufacturing (AM) of non-weldable nickel-based superalloys. This lack of in-depth …
additive manufacturing (AM) of non-weldable nickel-based superalloys. This lack of in-depth …
Review of microstructure–mechanical property relationships in cast and wrought Ni‐based superalloys with boron, carbon, and zirconium microalloying additions
Cast and wrought Ni‐based superalloys are materials of choice for harsh high‐temperature
environments of aircraft engines and gas turbines. Their compositional complexity requires …
environments of aircraft engines and gas turbines. Their compositional complexity requires …
Superior high-temperature properties and deformation-induced planar faults in a novel L12-strengthened high-entropy alloy
We developed a novel high-performance L1 2-strengthened high-entropy alloy (HEA) in the
multicomponent Ni-Co-Fe-Cr-Al-Nb system. The phase transformation, mechanical …
multicomponent Ni-Co-Fe-Cr-Al-Nb system. The phase transformation, mechanical …
Effect of carbon content on the microstructure, tensile properties and cracking susceptibility of IN738 superalloy processed by laser powder bed fusion
W Zhou, Y Tian, Q Tan, S Qiao, H Luo, G Zhu… - Additive …, 2022 - Elsevier
The high cracking susceptibility is the major barrier hindering the broad adoption of additive
manufacturing (AM) in traditional non-weldable superalloys. It is particularly important to …
manufacturing (AM) in traditional non-weldable superalloys. It is particularly important to …
[HTML][HTML] Austenite grain boundary segregation and precipitation of boron in low-C steels and their role on the heterogeneous nucleation of ferrite
The addition of boron (B) to steels suppresses the austenite to ferrite phase transformation
dramatically, thus increasing their hardenability. It achieves this through grain boundary …
dramatically, thus increasing their hardenability. It achieves this through grain boundary …