Sangsun Yang
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View article: Glass-Forming Ability and Crystallization Behavior of Mo-Added Fe82−xSi4B12Nb1MoxCu1 (x = 0–2) Nanocrystalline Alloy
Glass-Forming Ability and Crystallization Behavior of Mo-Added Fe82−xSi4B12Nb1MoxCu1 (x = 0–2) Nanocrystalline Alloy Open
This study investigates the effects of molybdenum (Mo) additions on the crystallization behavior and soft magnetic properties and of Fe82-xSi4B12Nb1MoxCu1 (x = 0–2) nanocrystalline alloys. Molybdenum enhances glass-forming ability (GFA) an…
View article: Enhanced soft magnetic properties in high-Ms Fe-B-Si-C-Cu-Nb alloys: Mitigated surface crystallization and controlled nanocrystallization via optimized metalloid content
Enhanced soft magnetic properties in high-Ms Fe-B-Si-C-Cu-Nb alloys: Mitigated surface crystallization and controlled nanocrystallization via optimized metalloid content Open
The study investigated the impact of the boron/silicon ratio on the soft magnetic properties and surface crystallization of nanocrystalline Fe80(BaSib)15C1Cu1Nb3 (a:b, a=1–6, b=1,0) alloys. The addition of boron and silicon also enhances g…
View article: High‐Entropy Alloys and Their Affinity with Hydrogen: From Cantor to Platinum Group Elements Alloys
High‐Entropy Alloys and Their Affinity with Hydrogen: From Cantor to Platinum Group Elements Alloys Open
Properties of high‐entropy alloys are currently in the spotlight due to their promising applications. One of the least investigated aspects is the affinity of these alloys to hydrogen, its diffusion, and reactions. In this study, high pres…
View article: High entropy alloys and their affinity to hydrogen: from Cantor to platinum group elements alloys
High entropy alloys and their affinity to hydrogen: from Cantor to platinum group elements alloys Open
Properties of high entropy alloys are currently in the spotlight due to their promising applications. One of the least investigated aspects is the affinity of these alloys to hydrogen, its diffusion and reactions. In this study we apply hi…
View article: Optimizing Annealing Temperature Control for Enhanced Magnetic Properties in Fe-Si-B Amorphous Flake Powder Cores
Optimizing Annealing Temperature Control for Enhanced Magnetic Properties in Fe-Si-B Amorphous Flake Powder Cores Open
In this study, we examined the optimal pre- and post-annealing conditions for soft magnetic composites (SMCs) using amorphous flake powders produced through ball milling of amorphous Fe-Si-B ribbons, leading to enhanced magnetic properties…
View article: Unprecedented heat resistance of Fe-based soft magnetic composites realized with tunable double insulation layer: Synergy of MgO diffusion barrier and void-filling SiO2 layer
Unprecedented heat resistance of Fe-based soft magnetic composites realized with tunable double insulation layer: Synergy of MgO diffusion barrier and void-filling SiO2 layer Open
Soft magnetic composites (SMCs) comprising surface-insulated Fe powders have attracted significant attention owing to their capability of producing innovative three-dimensional cores with high magnetic flux density and their potential util…
View article: High-permeability Fe-based soft magnetic composite comprising anisotropic Fe-Si chip fillers
High-permeability Fe-based soft magnetic composite comprising anisotropic Fe-Si chip fillers Open
Here, we demonstrate a novel hybrid soft magnetic composite (SMC) comprising highly-ductile pure-Fe powders and anisotropic Fe-6.5wt%Si chips to capture both high density and soft magnetic properties including high permeability and low cor…
View article: Enhanced hydrogenation conversion efficiency of porous nickel particles with homogeneously distributed unimodal nanopores
Enhanced hydrogenation conversion efficiency of porous nickel particles with homogeneously distributed unimodal nanopores Open
Reactive nickel (Ni) catalysts with highly active sites on their surface are mainly used in selective hydrogenation reactions. In this study, we synthesized a few micron-sized porous Ni particles with homogenously distributed unimodal nano…
View article: Enhanced Permeability of Fe-Based Amorphous Powder Cores Realized through Selective Incorporation of Carbonyl Iron Powders at Inter-Particle Voids
Enhanced Permeability of Fe-Based Amorphous Powder Cores Realized through Selective Incorporation of Carbonyl Iron Powders at Inter-Particle Voids Open
In this study, we demonstrate a hybrid multimodal soft magnetic composite (SMC) comprising gas-atomized spherical amorphous powder (AP) and carbonyl-iron powder (CIP), and present its enhanced electromagnetic properties. CIP is selectively…
View article: Author Correction: Superior Temperature-Dependent Mechanical Properties and Deformation Behavior of Equiatomic CoCrFeMnNi High-Entropy Alloy Additively Manufactured by Selective Laser Melting
Author Correction: Superior Temperature-Dependent Mechanical Properties and Deformation Behavior of Equiatomic CoCrFeMnNi High-Entropy Alloy Additively Manufactured by Selective Laser Melting Open
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
View article: Micro-Texture Analyses of a Cold-Work Tool Steel for Additive Manufacturing
Micro-Texture Analyses of a Cold-Work Tool Steel for Additive Manufacturing Open
Small objects of an alloy tool steel were built by selective laser melting at different scan speeds, and their microstructures were analyzed using electron backscatter diffraction (EBSD). To present an explicit correlation with the local t…
View article: Superior tensile properties of 1%C-CoCrFeMnNi high-entropy alloy additively manufactured by selective laser melting
Superior tensile properties of 1%C-CoCrFeMnNi high-entropy alloy additively manufactured by selective laser melting Open
CoCrFeMnNi high-entropy alloys containing 1 at% carbon (C-HEAs) were additively manufactured using selective laser melting (SLM). Superior tensile properties of the as-built C-HEA (to previously reported ones) were achieved by utilizing mu…
View article: Effect of Powder Shape and Sintering Temperature on the Preparation of Ni-Based Porous Metal
Effect of Powder Shape and Sintering Temperature on the Preparation of Ni-Based Porous Metal Open
Usually porous metals are known as relatively excellent characteristic such as large surface area, light, lower heat capacity, high toughness and permeability for exhaust gas filter, hydrogen reformer catalyst support. The Ni alloys have h…
View article: Laser deposition additive manufacturing of 17-4PH stainless steel on Ti-6Al-4V using V interlayer
Laser deposition additive manufacturing of 17-4PH stainless steel on Ti-6Al-4V using V interlayer Open
For the first time, additive manufacturing was used to obtain a strong joint (bonding strength >200 MPa) between stainless steel and Ti-6Al-4V using a V interlayer. The V interlayer applied via solid-state joining prevented the formation o…