Search Results - "Takata, Naoki"
-
1
Formation Behavior of Fe–Zn Intermetallic Layers at the Interface between Fe–Mn and Pure Zn Melt at 460°C
Published in ISIJ International (15-07-2024)“…The effect of Mn on the alloying reaction during hot-dip galvanization was investigated. The microstructure of the Fe–Zn intermetallic layers consisted of ζ,…”
Get full text
Journal Article -
2
Size dependence of microstructure of AlSi10Mg alloy fabricated by selective laser melting
Published in Materials characterization (01-09-2018)“…In order to investigate the size dependence of microstructure of the AlSi10Mg alloy fabricated by selective laser melting (SLM) combined with a powder bed…”
Get full text
Journal Article -
3
Microstructural characterization of cellular AlSi10Mg alloy fabricated by selective laser melting
Published in Materials & design (05-11-2018)“…In order to understand the microstructural characteristics of cellular (porous) AlSi10Mg alloy fabricated via selective laser melting (SLM), we designed…”
Get full text
Journal Article -
4
High-temperature strength sustained by nano-sized eutectic structure of Al–Fe alloy manufactured by laser powder bed fusion
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (24-03-2022)“…This study investigated the high-temperature strength of a hypereutectic Al–Fe binary alloy (Al–15%Fe) additive-manufactured by laser powder bed fusion…”
Get full text
Journal Article -
5
Fast scanning calorimetry study of Al alloy powder for understanding microstructural development in laser powder bed fusion
Published in Materials & design (01-07-2022)“…[Display omitted] •Fast scanning calorimetry (FSC) was applied for the solidification of AlSi10Mg powder in a wide range of cooling rates (dT/dt).•Focus ion…”
Get full text
Journal Article -
6
Microstructural origin of anisotropic tensile ductility of Al-Si alloy manufactured by laser powder bed fusion
Published in Scripta materialia (15-03-2023)“…Aluminum alloys fabricated by laser powder bed fusion (L-PBF) exhibit anisotropic tensile ductility. To identify microstructural origins in melt-pool (MP)…”
Get full text
Journal Article -
7
Understanding and suppressing shear band formation in strut-based lattice structures manufactured by laser powder bed fusion
Published in Materials & design (01-02-2021)“…The formation of shear band in metallic lattice structures under compression prompts an unstable stress–strain curve, resulting in a significant reduction in…”
Get full text
Journal Article -
8
Formation of multiple intermetallic phases in a hypereutectic Al–Fe binary alloy additively manufactured by laser powder bed fusion
Published in Intermetallics (01-10-2020)“…An attempt was made to additively manufacture an Al–Fe binary alloy sample with a hypereutectic composition of 15 wt% Fe using a laser powder bed fusion (LPBF)…”
Get full text
Journal Article -
9
Effects of Mn and Cu Additions on Solidification Microstructure and High-Temperature Strength of Cast Al–Fe Binary Alloy
Published in MATERIALS TRANSACTIONS (01-02-2023)“…In order to investigate the effects of Mn and Cu additions on solidification microstructure and high-temperature strength of cast Al–Fe alloys, we have…”
Get full text
Journal Article -
10
Managing both high strength and thermal conductivity of a laser powder bed fused Al–2.5Fe binary alloy: Effect of annealing on microstructure
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (23-02-2021)“…The microstructure of Al–2.5Fe (wt%) binary alloy samples additively manufactured by laser powder bed fusion (L-PBF) was systematically characterized, and its…”
Get full text
Journal Article -
11
Negative strain rate sensitivity of yield strength of Al-Si alloy additive-manufactured using laser powder bed fusion
Published in Scripta materialia (01-05-2022)“…This article reports an unexpected finding of the mechanical behavior of Al-12%Si alloy manufactured using the laser powder bed fusion (L-PBF) process. The…”
Get full text
Journal Article -
12
Design of heat-resistant Al–Mg –Zn–Cu–Ni quinary alloy: Controlling intermetallic phases and mechanical performance at elevated temperature
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-11-2022)“…Owing to good formability, wrought Al alloys are used in a wide range of industries, including turbochargers in automobile engines. The development of Al…”
Get full text
Journal Article -
13
Combustion Foaming of Porous (Al, Fe)3Ti with L12 Ordered Structure
Published in MATERIALS TRANSACTIONS (01-04-2024)“…The combustion foaming process enables the fabrication of closed-cell porous intermetallics by utilizing the combustion reactions generating a large amount of…”
Get full text
Journal Article -
14
Effect of solute Ni on thermal activation process of plastic deformation in Fe–18Cr single-crystal micropillars
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-11-2022)“…The aim of the present study was to identify the effect of solute Ni element on the plastic deformation and its thermal activation process of 18Cr ferritic…”
Get full text
Journal Article -
15
Enhancing Capillary Pressure of Porous Aluminum Wicks by Controlling Bi-Porous Structure Using Different-Sized NaCl Space Holders
Published in Materials (26-09-2024)“…Capillary pressure and permeability of porous media are important for heat transfer devices, including loop heat pipes. In general, smaller pore sizes enhance…”
Get full text
Journal Article -
16
Dual plateau stress of C15-type topologically close-packed lattice structures additive-manufactured by laser powder bed fusion
Published in Scripta materialia (01-09-2021)“…Imitating crystal structures offers new avenues to design lattice structures composed of unit cells with nodes (act as atoms) and struts (act as atomic bonds)…”
Get full text
Journal Article -
17
Controlling WC/Co two-phase microstructure of cemented carbides additive-manufactured by laser powder bed fusion: Effect of powder composition and post heat-treatment
Published in Materials & design (15-11-2021)“…[Display omitted] •The as-fabricated WC-Co microstructures were characterized by two types regions.•Heat-treatment homogenizes the heterogeneous microstructure…”
Get full text
Journal Article -
18
Microstructure of intermetallic-reinforced Al-Based alloy composites fabricated using eutectic reactions in Al–Mg–Zn ternary system
Published in Intermetallics (01-04-2018)“…We designed two types of Al-based alloy composites reinforced by η-Zn2Mg (hexagonal) and T-Al6Mg11Zn11 (cubic) intermetallic phases using monovariant eutectic…”
Get full text
Journal Article -
19
Enhancing the solid-state joinability of A5052 and CFRTP via an additively manufactured micro-structure
Published in Journal of materials processing technology (01-08-2022)“…An Al alloy (A5052) sheet was joined with a carbon fiber-reinforced thermoplastic (CFRTP) sheet by hot pressing without melting the CFRTP sheet (that is,…”
Get full text
Journal Article -
20
Effect of low-temperature annealing on electrical resistivity and mechanical properties of laser-powder bed fused AlSi10Mg alloy
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (26-04-2023)“…The AlSi10Mg sample was additive-manufactured using laser powder bed fusion (L-PBF), and subsequent low-temperature annealing (LTA) at 413K or 473 K was…”
Get full text
Journal Article