Xiaochun Lv
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View article: Microstructure and Mechanical Properties of Y-Doped AlCoCrFeNi2.1 Eutectic High-Entropy Alloy Fabricated by PBF-LB/M
Microstructure and Mechanical Properties of Y-Doped AlCoCrFeNi2.1 Eutectic High-Entropy Alloy Fabricated by PBF-LB/M Open
A Y-doped AlCoCrFeNi2.1 eutectic high-entropy alloy was fabricated via powder bed fusion-laser melting/metal (PBF-LB/M), and the effects of the rare-earth element Y on its microstructure and mechanical properties were investigated. The res…
View article: Pathways of influence on health-promoting lifestyles in older adults with coronary heart disease: a cross-sectional study
Pathways of influence on health-promoting lifestyles in older adults with coronary heart disease: a cross-sectional study Open
Background The global demographic shift toward aging populations has precipitated a significant rise in coronary heart disease (CHD) prevalence among older adults, positioning health promoting lifestyles as a critical component of healthy …
View article: Effect of laser spot diameter on the processing and microstructural properties of AlCoCrFeNi2.1 eutectic high-entropy alloy formed by selective laser melting
Effect of laser spot diameter on the processing and microstructural properties of AlCoCrFeNi2.1 eutectic high-entropy alloy formed by selective laser melting Open
AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA) was fabricated using the selective laser melting (SLM) method. Optimal printing parameters were determined for laser spot diameters of 50 μm, 70 μm, and 85 μm. This study investigates the fo…
View article: Effects of Defocus Distance and Weld Spacing on Microstructure and Properties of Femtosecond Laser Welded Quartz Glass-TC4 Alloy Joints with Residual Stress Analysis
Effects of Defocus Distance and Weld Spacing on Microstructure and Properties of Femtosecond Laser Welded Quartz Glass-TC4 Alloy Joints with Residual Stress Analysis Open
This study develops an optimized femtosecond laser welding process for joining quartz glass and TC4 titanium alloy (Ti-6Al-4V) under non-optical contact conditions, specifically addressing the manufacturing needs of specialized photoelectr…
View article: Investigation of the Microstructures and Mechanical Properties of Sn-Cu-Bi-In-Ni Solders
Investigation of the Microstructures and Mechanical Properties of Sn-Cu-Bi-In-Ni Solders Open
The development of Ag-free Sn solders has attracted significant attention due to the requirement of high-density electronic packaging. In this study, we investigate the Ni element on the microstructures and mechanical properties of Ag-free…
View article: Effects of Bi and In Addition on Microstructure and Properties of Sn-0.7Cu Solder
Effects of Bi and In Addition on Microstructure and Properties of Sn-0.7Cu Solder Open
With the widespread application of lead-free solder, solder represented by the SAC series has been widely used. However, with the miniaturization and multifunctionalization of electronic devices, the distance between solder joints is becom…
View article: <i>In situ</i> polymerized porous Ti<sub>3</sub>C<sub>2</sub>T<sub><i>x</i></sub>/PANI as an electrode material for enhanced desalination performance in asymmetric capacitive deionization
<i>In situ</i> polymerized porous Ti<sub>3</sub>C<sub>2</sub>T<sub><i>x</i></sub>/PANI as an electrode material for enhanced desalination performance in asymmetric capacitive deionization Open
A porous Ti 3 C 2 T x /polyaniline (PANI) composite material synthesized through in situ polymerization achieves a remarkable salt adsorption capacity (SAC) of 32.06 mg g −1 in 500 mg L −1 NaCl solution.
View article: Low-Temperature Bonding for Heterogeneous Integration of Silicon Chips with Nanocrystalline Diamond Films
Low-Temperature Bonding for Heterogeneous Integration of Silicon Chips with Nanocrystalline Diamond Films Open
Integrating nanocrystalline diamond (NCD) films on silicon chips has great practical significance and many potential applications, including high-power electronic devices, microelectromechanical systems, optoelectronic devices, and biosens…
View article: Effect of Mo in Ni-30Cr filler metal on the eutectic phases of weld metal
Effect of Mo in Ni-30Cr filler metal on the eutectic phases of weld metal Open
The effects of Mo content on the microstructure and solidification path of gas tungsten arc welding deposited Nb-bearing nickel-based alloy welding wire were studied. The Mo entered the matrix γ phase as a solid solution and was precipitat…
View article: Microstructure investigation on the fusion zone of steel/nickel-alloy dissimilar weld joint for nozzle buttering in nuclear power industry
Microstructure investigation on the fusion zone of steel/nickel-alloy dissimilar weld joint for nozzle buttering in nuclear power industry Open
Microstructure of the fusion zone of steel/nickel-alloy dissimilar metal welds (DMWs) for nozzle buttering was investigated by optical microscopy (OM), scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), and electron …
View article: Research on Microstructure Evolution of Deposited Metal of Low Nickel High Nitrogen Austenitic Stainless Steel
Research on Microstructure Evolution of Deposited Metal of Low Nickel High Nitrogen Austenitic Stainless Steel Open
In this paper, in situ observation of the cooling process of the deposited metal of low nickel high nitrogen austenitic stainless steel obtained by laser‐arc hybrid surfacing welding with shielding gas containing only Ar and only N 2 , res…