Fenghua Luo
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View article: The Impact of Digital–Green Synergy on Total Factor Productivity: Evidence from Chinese Listed Companies
The Impact of Digital–Green Synergy on Total Factor Productivity: Evidence from Chinese Listed Companies Open
Driven by the dual imperatives of global economic green transformation and the advancement of digital technologies, achieving synergistic enhancement through digitalization and greenization to promote sustainable development has become a f…
View article: Phase Field Simulation and Experimental Study of Carbide Precipitation Process in Submerged Arc Welding on Descaling Roll
Phase Field Simulation and Experimental Study of Carbide Precipitation Process in Submerged Arc Welding on Descaling Roll Open
The mechanical properties of surfacing layers are significantly affected by the precipitation and evolution of carbides in nickel-based alloys. At present, the study of carbide precipitation in a Ni-Cr-B-Si surfacing layer is described by …
View article: Research on Ni-WC Coating and a Carbide Solidification Simulation Mechanism of PTAW on the Descaling Roll Surface
Research on Ni-WC Coating and a Carbide Solidification Simulation Mechanism of PTAW on the Descaling Roll Surface Open
The descaling roll is a critical component in a hot-rolling production line. The operating conditions are significantly impacted by water with high-pressure and dynamic shocks caused by high-temperature steel slab descaling. Roll surfaces …
View article: Effect of MoS2 addition on the wear mechanism of laser cladding AISI M2 coatings
Effect of MoS2 addition on the wear mechanism of laser cladding AISI M2 coatings Open
The AISI M2 coatings were prepared on H13 die steel substrates by laser cladding technology. The effects of MoS2 addition on the microstructure and wear resistance of the coatings were investigated. The results showed that adding MoS2 can …
View article: The Effects of Super-Fast Heating Rate and Holding Time on the Microstructure and Properties of DP Fe-0.16C-1.4Mn Sheet Steel
The Effects of Super-Fast Heating Rate and Holding Time on the Microstructure and Properties of DP Fe-0.16C-1.4Mn Sheet Steel Open
This study investigates the influence of super-fast heating rate and holding time on the microstructure and mechanical properties of dual-phase (DP) Fe-0.16C-1.4Mn sheet steel. Super-fast heating and cooling rates were achieved via inducti…
View article: NiTiNb shape memory alloys fabricated via the reactive sintering of elemental powders: Microstructures, transformation behaviors and compressive properties
NiTiNb shape memory alloys fabricated via the reactive sintering of elemental powders: Microstructures, transformation behaviors and compressive properties Open
Elemental powder sintering is an important low-cost preparation method for NiTiNb shape memory alloys. Usually, the performance is poor due to high impurity content and macroscopic defects. In this study, high-strength NiTiNb alloys withou…
View article: Experimental Study on the Process of Submerged Arc Welding for Nickel-Based WC Flux-Cored Wire on Descaling Roll
Experimental Study on the Process of Submerged Arc Welding for Nickel-Based WC Flux-Cored Wire on Descaling Roll Open
Descaling roll is a key component used to remove iron oxide on billet surface in hot rolling production lines, and its surface properties have a significant effect on the quality of hot rolling products. The descaling roll is in bad servic…
View article: Experimental Study on Preparation of Tungsten-Carbide-Particle-Reinforced Nickel-Based Alloy Plasma Surfacing Layer on Descaling Roller Surface
Experimental Study on Preparation of Tungsten-Carbide-Particle-Reinforced Nickel-Based Alloy Plasma Surfacing Layer on Descaling Roller Surface Open
The descaling roller is a significant component in steel rolling production. Under harsh service conditions, the descaling roller is subjected to the dynamic impact caused by high-pressure water erosion and a high-temperature billet descal…
View article: Multi-stage strain-hardening and nano-twinning strengthening Co40Cr22Ni15Fe14Mo4Si3Mn2 multi-principal element alloy
Multi-stage strain-hardening and nano-twinning strengthening Co40Cr22Ni15Fe14Mo4Si3Mn2 multi-principal element alloy Open
CoCrNiFe multi-principal element alloy (MPEA) plates were prepared by melting and rolling. Thermomechanical treatment (cold rolling and aging) was developed to modify the formation of lattice defects and precipitates. The results show that…
View article: Effect of Boron Additions on the Microstructural Evolution and Properties of Fe-Mo-Cu-Ni-C Sintered Steel
Effect of Boron Additions on the Microstructural Evolution and Properties of Fe-Mo-Cu-Ni-C Sintered Steel Open
The effects of different boron (B) additions from 0 to 0.5 wt.% on the microstructure and properties of Fe-Mo-Cu-Ni-xB-C powder metallurgy (PM) steels were investigated in this work. The results indicated that the ferrite phase quantity de…
View article: Effect of Cu-Sn Addition on Corrosion Property of Pressureless Sintered Fe-Cu-Co Substrate Alloys
Effect of Cu-Sn Addition on Corrosion Property of Pressureless Sintered Fe-Cu-Co Substrate Alloys Open
Fe-Cu-Co prealloyed powder is used for bonding metal of diamond tools. In order to obtain diamond tools with good mechanical properties by pressureless sintering, it is necessary to add Cu-Sn sintering aids. The substrate also has high cor…
View article: Effect of Cr and La co-doping on the photocatalytic hydrogen production performance of Sr1-xLaxTi1-xCrxO3 nanofibers
Effect of Cr and La co-doping on the photocatalytic hydrogen production performance of Sr1-xLaxTi1-xCrxO3 nanofibers Open
The Sr1-xLaxTi1-xCrxO3 (x = 0–0.05) nanofibers were synthesized by electrospinning based on Pechini sol-gel method. The prepared Sr1-xLaxTi1-xCrxO3 nanofibers were analyzed by XRD, Raman, UV–vis spectra, XPS, SEM, TEM, transient photocurre…
View article: Preparation and Properties of a Plasma-Sprayed Fe-Cr-B-C Coating
Preparation and Properties of a Plasma-Sprayed Fe-Cr-B-C Coating Open
Fe-Cr-B-C wear-resistant coating was prepared by atmosphere plasma spraying. The effects of the spraying current, main gas flow, secondary gas flow, and spraying distance on the microstructure, hardness, and bonding strength of the coating…
View article: Effects of boron content on the microstructure and properties of B<i><sub>x</sub></i>C-TiB<sub>2</sub> (<i>x</i>=4.5, 6.5 or 8.5) ceramic composites by the reactive spark plasma sintering
Effects of boron content on the microstructure and properties of B<i><sub>x</sub></i>C-TiB<sub>2</sub> (<i>x</i>=4.5, 6.5 or 8.5) ceramic composites by the reactive spark plasma sintering Open
BxC-TiB2 ceramic composites were fabricated via reactive spark plasma sintering using TiC and B as the raw materials. The impact of B/TiC mole ratios on the phase compositions, densification behaviors, microstructure, and mechanical proper…
View article: A thermodynamic database of the Ni-Mo-Re system
A thermodynamic database of the Ni-Mo-Re system Open
Thermodynamic databases are essential prerequisites for developing advanced materials, such as Ni-based superalloys. The present work collects a large amount of experimental and first-principles calculation data concerning the thermodynami…
View article: Influence of Nitrogen Content on the Corrosion Behavior of Powder Metallurgy Nickel‐Free Austenitic Stainless Steel
Influence of Nitrogen Content on the Corrosion Behavior of Powder Metallurgy Nickel‐Free Austenitic Stainless Steel Open
Herein, powder metallurgy gas‐solid nitriding was used to prepare a high‐nitrogen Ni‐free austenitic stainless steel with more than 1.0 wt.% N. Study of the microstructures and corrosion resistances of the as‐prepared samples revealed that…
View article: Effects of Aging on the Microstructure and Properties of 7075 Al Sheets
Effects of Aging on the Microstructure and Properties of 7075 Al Sheets Open
The effects of one-step aging and double aging on the properties and microstructures of 7075 Al sheets were studied via mechanical property testing, scanning electron microscopy, and transmission electron microscopy. The results indicated …
View article: The Preparation Process, Microstructure and Properties of Cellular TiC-High Mn Steel-Bonded Carbide
The Preparation Process, Microstructure and Properties of Cellular TiC-High Mn Steel-Bonded Carbide Open
TiC-high Mn steel-bonded carbide with a cellular structure was designed and fabricated by powder metallurgy techniques using coarse and fine TiC particles as the hard phase. This preparation process of the alloy was designed carefully and …
View article: The Preparation Process, Microstructure and Properties of Cellular TiC&ndash;high Mn Steel-bonded Carbide
The Preparation Process, Microstructure and Properties of Cellular TiC–high Mn Steel-bonded Carbide Open
TiC–high Mn steel-bonded carbide with a cellular structure was designed and fabricated by powder metallurgy techniques using coarse and fine TiC particles as the hard phase. This preparation process was carefully investigated and opt…
View article: A Co/CoO hybrid rooted on carbon cloth as an efficient electrocatalyst for the hydrogen evolution reaction in alkaline solution
A Co/CoO hybrid rooted on carbon cloth as an efficient electrocatalyst for the hydrogen evolution reaction in alkaline solution Open
An efficient and robust electrocatalyst of a Co/CoO hybrid containing oxygen vacancies rooted on carbon cloth with anion pre-intercalation.