Liansheng Chen
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View article: Rotational vs. laser atherectomy in Chinese CTO-PCI: lesion-specific efficacy with comparable midterm safety
Rotational vs. laser atherectomy in Chinese CTO-PCI: lesion-specific efficacy with comparable midterm safety Open
Background Chronic total occlusion (CTO) percutaneous coronary intervention (PCI) often requires plaque modification for device delivery. While rotational atherectomy (RA) and excimer laser coronary atherectomy (ELCA) are established adjun…
View article: Incidence and management of appendicitis at 6 years in Shicheng County of China
Incidence and management of appendicitis at 6 years in Shicheng County of China Open
View article: Optimisation of Aluminium Alloy Variable Diameter Tubes Hydroforming Process Based on Machine Learning
Optimisation of Aluminium Alloy Variable Diameter Tubes Hydroforming Process Based on Machine Learning Open
To predict the forming behaviour of aluminium alloy variable diameter tubes during hydroforming, a genetic algorithm-enhanced particle swarm optimisation (GA-PSO) is used to optimise a backpropagation neural network (BP-NN). A fast predict…
View article: Study on the creep behavior of forged Inconel 718 alloy tailored by grain configuration and δ phase
Study on the creep behavior of forged Inconel 718 alloy tailored by grain configuration and δ phase Open
Nickel-based superalloys have been widely applied in the manufacturing of aero-engine hot-end components serving under extreme conditions. The development of advanced aero-engine technology puts forward demands for deeper understanding the…
View article: Synergistic Effect Mechanism of Eutectic Si, Precipitates and Pores on Mechanical Properties of Al-Si-Cu-Mg Cast Alloys Based on Sc
Synergistic Effect Mechanism of Eutectic Si, Precipitates and Pores on Mechanical Properties of Al-Si-Cu-Mg Cast Alloys Based on Sc Open
View article: Role of refined martensite microstructure and intercritical Mn partitioning on austenite reversion in Fe–5Mn-1.5Al-0.2C alloy
Role of refined martensite microstructure and intercritical Mn partitioning on austenite reversion in Fe–5Mn-1.5Al-0.2C alloy Open
In this paper, we demonstrate a novel design to accelerate the austenite reversion of a Fe–5Mn-1.5Al-0.2C (wt.%) medium Mn steel (MMS), via a deliberating adding an elevated pre-annealing before conventional intercritical annealing. It is …
View article: Research Progresses on Technologies and Theory of Blanks with Variable Thicknesses
Research Progresses on Technologies and Theory of Blanks with Variable Thicknesses Open
Under the background of dual carbon policy as well as energy conservation, blanks with variable thicknesses (BVTs) which act as structural components have drawn extensive attention due to their excellent strength and formability and reason…
View article: On the deformation induced heterogeneous precipitation of γ″ phase in Inconel 718 alloy
On the deformation induced heterogeneous precipitation of γ″ phase in Inconel 718 alloy Open
The unique coherency strain hardening mechanism and sluggish precipitation kinetics of γ″ phase have enabled Inconel 718 excellent elevated temperature serving performance and formability. However, the orienting character of γ″ phase deter…
View article: Fuzzy Control Optimization of Loading Paths for Hydroforming of Variable Diameter Tubes
Fuzzy Control Optimization of Loading Paths for Hydroforming of Variable Diameter Tubes Open
View article: Morphometric Assessment for Functional Evaluation of Coronary Stenosis with Intravascular Ultrasound and Ultrasonic Flow Ratio in Vessel with Single Stenosis
Morphometric Assessment for Functional Evaluation of Coronary Stenosis with Intravascular Ultrasound and Ultrasonic Flow Ratio in Vessel with Single Stenosis Open
View article: Strength and ductility improvement in a heterostructured Mg-Gd-Y alloy with inversely-gradient hardness distribution
Strength and ductility improvement in a heterostructured Mg-Gd-Y alloy with inversely-gradient hardness distribution Open
The Mg-8.75Gd-2.85Y (wt%) alloy processed by surface mechanical attrition treatment (SMAT) was annealed at 350 °C followed by peak-ageing. Recrystallization occurred in the surface layer of the specimen induced by the annealing treatment. …
View article: Morphometric assessment for functional evaluation of coronary stenosis with intravascular ultrasound and ultrasonic flow ratio in vessel with single stenosis
Morphometric assessment for functional evaluation of coronary stenosis with intravascular ultrasound and ultrasonic flow ratio in vessel with single stenosis Open
Background : The ultrasonic flow ratio(UFR) derived from morpho-functional computational method by IVUS image. UFR can identify the functional severity of coronary stenosis, but it is unclear whether UFR would improve diagnostic accuracy o…
View article: Deformation modes and fracture behaviors of peak-aged Mg-Gd-Y alloys with different grain structures
Deformation modes and fracture behaviors of peak-aged Mg-Gd-Y alloys with different grain structures Open
The ductility and toughness of peak-aged (PA) Mg-RE alloys are significantly influenced by their grain structure characteristics. To investigate this issue, we examined PA Mg-8.24Gd-2.68Y (wt.%) alloys with two distinct grain structures: a…
View article: In-Situ Study on the Tensile Deformation and Fracture Mechanism of a Bimodal-Structured Mg-Gd-Y Alloy
In-Situ Study on the Tensile Deformation and Fracture Mechanism of a Bimodal-Structured Mg-Gd-Y Alloy Open
The as-extruded (EX) Mg-Gd-Y alloy studied here exhibited a bimodal structure, composed of fine dynamic recrystallized (DRXed) grains with random orientations and longitudinal coarse hot-worked grains. The slip analysis showed the DRXed gr…
View article: Precipitation Behavior of the Second Phase in High-Nitrogen Austenitic Stainless Steel Alloyed with V and Nb
Precipitation Behavior of the Second Phase in High-Nitrogen Austenitic Stainless Steel Alloyed with V and Nb Open
The retaining ring is one of the components with the highest stress on the rotor of the turbine generator. Due to the high content of alloying elements in this type of steel, it is extremely easy to precipitate a large amount of the second…
View article: Research Progress on Microstructure Evolution and Strengthening-Toughening Mechanism of Mg Alloys by Extrusion
Research Progress on Microstructure Evolution and Strengthening-Toughening Mechanism of Mg Alloys by Extrusion Open
Magnesium and magnesium-based alloys are widely used in the transportation, aerospace and military industries because they are lightweight, have good specific strength, a high specific damping capacity, excellent electromagnetic shielding …
View article: Research Progress on Multi-Component Alloying and Heat Treatment of High Strength and Toughness Al–Si–Cu–Mg Cast Aluminum Alloys
Research Progress on Multi-Component Alloying and Heat Treatment of High Strength and Toughness Al–Si–Cu–Mg Cast Aluminum Alloys Open
Al–Si–Cu–Mg cast aluminum alloys have important applications in automobile lightweight due to their advantages such as high strength-to-weight ratio, good heat resistance and excellent casting performance. With the increasing demand for st…
View article: Research Progress on Corrosion Behaviors and Improvement Methods of Medical Degradable Mg−Based Alloys
Research Progress on Corrosion Behaviors and Improvement Methods of Medical Degradable Mg−Based Alloys Open
Due to the spontaneous degradability, excellent biocompatibility, favorable bone−inducibility, and antimicrobial properties, Mg−based alloys acting as miniature intravascular stents and bone−fixation materials have shown great development−…
View article: The Effect of Partitioning Temperature on Residual Austenite and Mechanical Properties of Q&P High Strength Steel during the Continuous Annealing Process
The Effect of Partitioning Temperature on Residual Austenite and Mechanical Properties of Q&P High Strength Steel during the Continuous Annealing Process Open
Q&P steel has the advantages of high strength and high elongation, but the key to the production of Q&P steel is the control of heat treatment temperatures, such as the annealing temperature and the partitioning temperature. In this work, …
View article: Research Progress of Steels for Nuclear Reactor Pressure Vessels
Research Progress of Steels for Nuclear Reactor Pressure Vessels Open
The nuclear reactor pressure vessel is an important component of a nuclear power plant. It has been used in harsh environments such as high temperature, high pressure, neutron irradiation, thermal aging, corrosion and fatigue for a long ti…
View article: Ultrafine Grain Ferrite Transformed from Fine Austenite Grains Produced by Dynamic Reversal Transformation
Ultrafine Grain Ferrite Transformed from Fine Austenite Grains Produced by Dynamic Reversal Transformation Open
The medium carbon steel warm deformation was carried out in a Gleeble-3500 simulator, and the microstructure was observed on a scan electron microscopy (SEM) and optical microscope (OM). The results show that the dynamic reversal transform…
View article: Effect of Intercritical Deformation on Microstructure and Mechanical Properties of Quenching and Partitioning Low Carbon Multiphase High-Strength Steel
Effect of Intercritical Deformation on Microstructure and Mechanical Properties of Quenching and Partitioning Low Carbon Multiphase High-Strength Steel Open
Low carbon multiphase high strength steel is widely used in the automobile industry. In this work, the effect of intercritical deformation on the partitioning of alloying elements and the evolution of microstructure, as well as the effect …
View article: Morphometric Assessment for Functional Evaluation of Coronary Stenosis with Optical Coherence Tomography and the Optical Flow Ratio in a Vessel with Single Stenosis
Morphometric Assessment for Functional Evaluation of Coronary Stenosis with Optical Coherence Tomography and the Optical Flow Ratio in a Vessel with Single Stenosis Open
Objectives: The study aimed to evaluate the diagnostic performance of optical coherence tomography (OCT) in identifying functionally significant coronary stenosis in a vessel with single stenosis. Background: The OCT-based morphofunctional…
View article: Microstructure Characteristics and Corrosion Behaviors of Mg-2Zn-2Er-0.3Zr-0.3Mn Alloy under Various Rolling Reductions
Microstructure Characteristics and Corrosion Behaviors of Mg-2Zn-2Er-0.3Zr-0.3Mn Alloy under Various Rolling Reductions Open
The poor corrosion resistance of magnesium alloys is one of the major obstacles to their widespread applications in the engineering field and the medical field. A hot deformation process is the main way to improve the corrosion resistance …
View article: Excellent plasticity of C and Mo alloyed TRIP high entropy alloy via rolling and heat treatment
Excellent plasticity of C and Mo alloyed TRIP high entropy alloy via rolling and heat treatment Open
The transformation-induced plasticity (TRIP) Fe50Mn30Co10Cr10 high entropy alloy (HEA) with 2 at% C and 1 at% Mo microalloying was prepared by non-consumable vacuum arc melting furnace. The as-casted alloy was then rolled at 70% and then a…
View article: Research progress in degradation behavior of biodegradable medical Mg-based alloys <i>in vivo</i> and <i>in vitro</i>
Research progress in degradation behavior of biodegradable medical Mg-based alloys <i>in vivo</i> and <i>in vitro</i> Open
As a new generation of medical degradable biomaterials, magnesium alloys were known as "revolutionary medical metal materials" due to their good biocompatibility, unique degradability and excellent mechanical transmission. However, the cor…
View article: Influence of the Phosphorus Content on the Hydrogen Embrittlement Susceptibility of Some DP Steels Studied Using the Linearly Increasing Stress Test
Influence of the Phosphorus Content on the Hydrogen Embrittlement Susceptibility of Some DP Steels Studied Using the Linearly Increasing Stress Test Open
View article: Prediction of Surface Wrinkle Defect of Welding Wire Steel ER70S-6 in Hot Bar Rolling Process Using Finite Element Method and Experiments
Prediction of Surface Wrinkle Defect of Welding Wire Steel ER70S-6 in Hot Bar Rolling Process Using Finite Element Method and Experiments Open
High quality products are demanded due to increasingly fierce market competition. In this paper, the generation of surface wrinkle defect of welding wire steel ER70S-6 was studied by the combination of the experimental method and finite el…
View article: Effect of Temperature Scheme on Microstructure and Mechanical Properties during Medium Carbon Steel Warm Processing
Effect of Temperature Scheme on Microstructure and Mechanical Properties during Medium Carbon Steel Warm Processing Open
Influence of temperature scheme on the microstructure and properties variation of medium carbon steel warm deformation was studied with testing equipment of Gleeble-3500, SEM, TEM, EBSD, and φ350 reversal rolling mill. The results show tha…
View article: A novel object detection technique for dynamic scene and static object
A novel object detection technique for dynamic scene and static object Open
The object detection in video streams plays an important role in computer vision applications. The background subtraction, comparing each new frame to a model of the background, is one of the most popular method. However, the static backgr…