Yu Ren
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Ultrasonic vibration-assisted arc machining of Inconel 718: Achieving concurrent processing efficiency enhancement and microstructure regulation Open
The arc discharge machining technology achieves efficient material erosion through high-energy discharge, but its intense thermal coupling leads to instability in phase transition control, resulting in an essential conflict between process…
Influence of heat treatment on the microstructure and dynamic mechanical properties of laser-melting deposited TC17 Open
The LMD TC17 titanium alloy was subjected to annealing at 800 °C, 850 °C, and 880 °C for 2 hours, followed by furnace cooling. With annealing temperature rising from 800 °C to 850 °C, the α phase width shows an increase. In contrast, the m…
View article: Organelle genomes of two Scaevola species, S. taccada and S. hainanensis, provide new insights into evolutionary divergence between Scaevola and its related species
Organelle genomes of two Scaevola species, S. taccada and S. hainanensis, provide new insights into evolutionary divergence between Scaevola and its related species Open
Chloroplast and mitochondrial genomes harbor crucial information that can be utilized for elucidating plant evolution and environmental adaptation. The organellar genomic characteristics of Goodeniaceae, a sister family to Asteraceae, rema…
The role of typical low vertical lattice sand barriers in regulating the airflow field on wind-eroded surfaces of photovoltaic power plants Open
Deserts are ideal places to build photovoltaic (PV) power plants, but this plants often face challenges from strong wind and sand activities during the operation and maintenance period, exploring the effects of PV power plant construction …
View article: A Bio‐Inspired Trehalose Additive for Reversible Zinc Anodes with Improved Stability and Kinetics
A Bio‐Inspired Trehalose Additive for Reversible Zinc Anodes with Improved Stability and Kinetics Open
The moderate reversibility of Zn anodes, as a long‐standing challenge in aqueous zinc‐ion batteries, promotes the exploration of suitable electrolyte additives continuously. It is crucial to establish the absolute predominance of smooth de…
Shock-Induced Mechanical Response and Microstructure Evolution of Titanium Alloys Open
The application of titanium alloys in weaponry is increasingly widespread, due to their high specific strength and excellent corrosion resistance. The weapons such as armors must be subjected to intense shock loads caused by explosion and …
Effect of shock-induced substructure evolution on the dynamic reloading mechanical behavior of Ti-17 alloy Open
The effect of shock-induced substructure evolution on the dynamic reloading mechanical behavior of a metastable β titanium alloy, Ti-5Al-2Sn-2Zr-4Mo-4Cr (Ti-17), was systematically investigated in this paper. The preshock treatment with th…
Research on Improvement of Cold Extrusion Technology of Connecting Screw Open
In order to solve the flange and dent defects in the end face of the cold extrusion of the connecting screw, the Deform3D software is used to simulate the extrusion forming process of the connecting screw, and the velocity vector is used t…
View article: Effect of strain rate on the mechanical properties of a tungsten particle reinforced titanium matrix composite
Effect of strain rate on the mechanical properties of a tungsten particle reinforced titanium matrix composite Open
Refractory metal particles can potentially be used to reinforce titanium matrix composites. In this research, a titanium matrix composite reinforced by 20 wt.% tungsten particles (20WP/Ti) was fabricated by powder metallurgy. The mechanica…
View article: A Porphyrin-Involved Benzene-1,3,5-Tricarboxamide Dendrimer (Por-BTA) as a Multifunctional Interface Material for Efficient and Stable Perovskite Solar Cells
A Porphyrin-Involved Benzene-1,3,5-Tricarboxamide Dendrimer (Por-BTA) as a Multifunctional Interface Material for Efficient and Stable Perovskite Solar Cells Open
Surface defects of perovskite films are the major sources of nonradiative recombination which limit the efficiency and stability of perovskite solar cells. Surface passivation represents one of the most efficient strategies to solve this p…
Adiabatic Shearing Behavior of Shock-Prestrained Ti-2Al-9.2Mo-2Fe Alloy at Different Reloading Strain Rates Open
The effect of shock-prestrain on the adiabatic shearing behavior of a metastable β titanium alloy, Ti-2Al-9.2Mo-2Fe (2A2F), is systematically investigated. 2A2F alloy blocks with average grain size of 67 μm were first shock-prestrained at …
Effect of Microstructure on the Johnson-Cook Constitutive Model Parameters of Ti-6Al-4V Alloy Open
Constitutive models are widely used to predict the mechanical behavior of materials. In this research, the Johnson-Cook (J-C) constitutive model parameters of Ti-6Al-4V (Ti64) alloy with different microstructural details were fitted based …
Thermal compression, processing maps and microstructural evolution of as-cast Mg-Gd-Y-Zn-Zr alloy with long period stacking ordered phase Open
Thermal deformation of Mg-7.5Gd-2.5Y-1.5Zn-0.5Zr (wt%) as-cast alloy containing LPSO phase was been studied in a temperature range from 623 K to 723 K and a strain rate range from 0.001 to 1 s −1 . The microstructural evolution at the vari…
Magnetic Properties in Finemet-Type Soft Magnetic Toroidal Cores Annealed under Radial Stresses Open
Applying tensile stresses on straight soft magnetic ribbons before core fabrication is a routine method of inducing magnetic anisotropy, while methods of stress annealing of ribbons after core winding are seldom explored. In this study, we…
The Effect of Traffic Facilities Accessibility on Residents’ Travel under Block Scale Open
The development of urbanization and motorization has changed the way of life of residents. It greatly increases residents’ dependence on motor vehicles, thus causing a series of traffic travel problems. The development of road traffic has …
Improvement research of condensing equipment in organic Rankine cycle power generation systems Open
Dry hot rock power generation is an important part of geothermal energy application, and condenser has become an important part of the system because it can provide a lower outlet back pressure for steam turbine, and improve the power gene…
The Cause and Evolution of Urban Street Vitality under the Time Dimension: Nine Cases of Streets in Nanjing City, China Open
Street vitality is associated with a comfortable human-based public environment and urban sustainability. In most current studies, street vitality is assessed considering single or multi factors; however, the impact of time dimension is ig…
Association of rs3787016 in Long Non-coding RNAs POLR2E and rs2910164 in MiRNA-146a with Prostate Cancer: A Systematic Review and Meta-analysis Open
Background: The aim of this study was to conduct a meta-analysis to estimate the association between the two SNPs and PCa risk. Methods: Medline, Embase, Scopus, PubMed, Web of Science, Wan Fang Database and Chinese Zhi Wang Database were …
Influence of primary α-phase volume fraction on the mechanical properties of Ti-6Al-4V alloy at different strain rates and temperatures Open
Bimodal microstructures with primary α-phase volume fractions ranging from 14.3% to 57.1% were gained in Ti-6Al-4V (Ti-64) alloy through annealed in two-phase region at various temperatures below the β-transus point. Then the influence of …
Effect of α-Platelet Thickness on the Mechanical Properties of Ti-6Al-4V Alloy with Lamellar Microstructure Open
In this paper, lamellar microstructures with average α-platelet thicknesses ranging from 0.55 μm to 1.98 μm were obtained in Ti-6Al-4V (Ti64) alloy by solution-treated above β-transus temperature and followed cooling through different meth…
Effect of Precipitation on the Mechanical Response of Cu–3Ag–0.6Zr Alloy during Hot Compression Open
\nHot compression experiments were conducted on a Cu–Ag–Zr alloy with low Ag content, Cu–3Ag–0.6Zr, to investigate the effect of precipitation on the mechanical response of this alloy. The results show that the stress-strain behavior of Cu…
Deformation Behavior and Processing Parameters of Cu-3Ag-0.6Zr Alloy during Compression at Elevated Temperatures Open
\nHot compression tests of the Cu–3Ag–0.6Zr (wt.%) alloy were carried out on a Gleeble-3800 testing machine at various strain rates and at different deformation temperatures. The stress–strain behavior of the alloy during the deformation p…
Effect of Feed Speed on Aluminum Alloy Pipe Neck-Spinning Process and Deformation Analysis Via Simulation Open
\nIn pipe neck-spinning process, the feed speed has great significant on pipe deformation and smoothly proceeding of spinning. In this paper, the nonlinear finite element software SuperForm is used to simulate the deformation in pipe multi…