Sanbao Lin
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View article: Microstructural evolution and strengthening mechanisms of gas tungsten arc welded nickel-based superalloy joints processed by laser powder bed fusion: Effects of welding direction and heat input
Microstructural evolution and strengthening mechanisms of gas tungsten arc welded nickel-based superalloy joints processed by laser powder bed fusion: Effects of welding direction and heat input Open
View article: Influences of carbon coating precursors on the electrochemical performance of graphite anodes in lithium-ion batteries
Influences of carbon coating precursors on the electrochemical performance of graphite anodes in lithium-ion batteries Open
View article: MRI and DSA from Layout Design to Installation
MRI and DSA from Layout Design to Installation Open
MRI (Magnetic Resonance Imaging System) and DSA (Digital Subtraction Angiography System), as important equipment in the field of modern medical imaging, have gradually entered major hospitals. As large precision medical equipment, the prep…
View article: Removing GSM and 2-MIB from Actual Raw Water by Iron-Based Advanced Oxidation Technology
Removing GSM and 2-MIB from Actual Raw Water by Iron-Based Advanced Oxidation Technology Open
This study was aimed to apply iron-based advanced oxidation technology (Fe 2+ /H 2 O 2 ) to degrade typical odor substances (GSM and 2-MIB) in actual raw water. The reaction conditions such as initial pH, reaction time, molar ratio of Fe 2…
View article: Dynamic Performance Analysis of Dumbbell-Shaped Spacecraft Equipped with Control Moment Gyroscopes
Dynamic Performance Analysis of Dumbbell-Shaped Spacecraft Equipped with Control Moment Gyroscopes Open
This paper derives the dynamic equations for a dumbbell-shaped spacecraft equipped with control moment gyroscopes. Using the theory of gyroscopic flexible bodies, a modal analysis is conducted on the constrained boundary of the dumbbell-sh…
View article: Microstructure and mechanical properties of S217 nickel aluminum bronze alloy fabricated by wire arc additive manufacturing
Microstructure and mechanical properties of S217 nickel aluminum bronze alloy fabricated by wire arc additive manufacturing Open
Nickel aluminum bronze (NAB) is widely used in marine applications for its corrosion resistance and mechanical properties. Wire Arc Additive Manufacturing (WAAM) offers a cost-effective method for producing large-scale metal components, th…
View article: Improvements of microstructure and mechanical properties of wire-arc directed energy deposition 2024 aluminum alloy after adding TiC nanoparticles
Improvements of microstructure and mechanical properties of wire-arc directed energy deposition 2024 aluminum alloy after adding TiC nanoparticles Open
To address issues such as grain coarsening, high porosity, and poor mechanical properties that commonly occur in high-strength 2024 aluminum alloy (AA2024) during directed energy deposition using an electric arc (DED-A), this work proposes…
View article: A Bibliometric Review of Teachers’ Motivating Style Studies in China (1983-2023)
A Bibliometric Review of Teachers’ Motivating Style Studies in China (1983-2023) Open
Teachers’ motivating style constitutes a pivotal factor in the sphere of students’ learning and has been the subject of extensive research endeavors. With the objective of unraveling the research hotspots and prognosticating the forthcomin…
View article: Microstructure control of ultra-high-strength AlZnMgCu alloys fabricated by wire arc directed energy deposition: the role of variable polarity electric pulse
Microstructure control of ultra-high-strength AlZnMgCu alloys fabricated by wire arc directed energy deposition: the role of variable polarity electric pulse Open
In the manufacturing of large-scale ultra-high strength AlZnMgCu alloy components, wire arc directed energy deposition can be an efficient and flexible candidate. However, the fabricated AlZnMgCu alloys are faced with problems like coarse …
View article: Effect of heat treatment on the microstructure and mechanical properties of AZ91D magnesium alloy fabricated via GTA wire arc additive manufacturing
Effect of heat treatment on the microstructure and mechanical properties of AZ91D magnesium alloy fabricated via GTA wire arc additive manufacturing Open
This study aims to address elemental segregation and poor mechanical properties in as-deposited AZ91D magnesium alloy fabricated via wire arc additive manufacturing through heat treatment. Three distinct heat treatments are investigated: s…
View article: Weld Pool Flow Characteristics in Double-Wire Arc Welding of Aluminum Alloys: Research by Numerical Simulations
Weld Pool Flow Characteristics in Double-Wire Arc Welding of Aluminum Alloys: Research by Numerical Simulations Open
Double-wire arc welding involves simultaneously feeding two wires into a molten pool, improving the efficiency and flexibility of traditional welding techniques. However, the interactions between the two wires and the molten pools are comp…
View article: Step solution treatment of a wire-arc directed energy deposited Al-Zn-Mg-Cu alloy: defects suppression and mechanical property improvement
Step solution treatment of a wire-arc directed energy deposited Al-Zn-Mg-Cu alloy: defects suppression and mechanical property improvement Open
Wire-arc directed energy deposition is promising for manufacturing ultra-high-strength Al-Zn-Mg-Cu alloy components. However, the undesired microstructure and performance of as-deposited alloys make the heat treatment a mandatory post-proc…
View article: Effect of Cold Metal Transfer Welding Repair Parameters on the Forming for the Repair of Surface Defects of Cast Magnesium Alloy
Effect of Cold Metal Transfer Welding Repair Parameters on the Forming for the Repair of Surface Defects of Cast Magnesium Alloy Open
It is of great significance in the field of engineering to repair the surface defects of ZM6 cast magnesium alloy by an arc welding method. Compared with the traditional tungsten inert gas (TIG) welding repair technology, cold metal transf…
View article: Ultrasonic vibration assisted gas tungsten arc welding of Inconel 690 alloy: Ultrasonic effect to refine grains and improve mechanical properties
Ultrasonic vibration assisted gas tungsten arc welding of Inconel 690 alloy: Ultrasonic effect to refine grains and improve mechanical properties Open
The Inconel 690 alloy is widely used in the manufacturing of nuclear equipment, such as pipe welding for steam generators (SG) and pressure vessels, due to its excellent high-temperature strength, corrosion resistance, and thermal stabilit…
View article: Sc/Zr microalloying on strength-corrosion performance synergy of wire-arc directed energy deposited Al-Mg
Sc/Zr microalloying on strength-corrosion performance synergy of wire-arc directed energy deposited Al-Mg Open
WADED Al-Mg and Al-Mg-Sc-Zr aluminium alloy thin-wall components were produced. Heat treatment (350°C aging for 4 h) was further conducted. The effects of Sc/Zr addition on porosity, microstructure, mechanical properties and corrosion beha…
View article: Wire Arc Additive Manufacturing of 205a Aluminum Alloy: Heat Input Effect on the Microstructure and Mechanical Properties
Wire Arc Additive Manufacturing of 205a Aluminum Alloy: Heat Input Effect on the Microstructure and Mechanical Properties Open
View article: The Effect of the Distance between Ultrasonic Horn and Torch on the Microstructure of Ultrasonic-Assisted Gas Tungsten Arc Welded Inconel 690 Alloy Joint
The Effect of the Distance between Ultrasonic Horn and Torch on the Microstructure of Ultrasonic-Assisted Gas Tungsten Arc Welded Inconel 690 Alloy Joint Open
The study focuses on investigating the relationship between the ultrasonic effect and microstructure of ultrasonic-assisted gas tungsten arc welding (UA-GTAW) Inconel690 alloy joints. The influence of ultrasonic vibrations on Inconel690 pl…
View article: Study on the effect of Ar–He shielding gas on the weld formation, microstructure and mechanical properties of 5083 aluminum alloy weld
Study on the effect of Ar–He shielding gas on the weld formation, microstructure and mechanical properties of 5083 aluminum alloy weld Open
In this paper, the ER5356 aluminum alloy wire was used for cold metal transfer (CMT) welding of the 5083-H111 base metal with 20 mm thickness. The effects of four shielding gases, which were 100%Ar, 75%Ar+25%He, 50%Ar+50%He and 100%He on t…
View article: Effect of process modes on microstructure and mechanical properties of CMT wire arc additive manufactured WE43 magnesium alloy
Effect of process modes on microstructure and mechanical properties of CMT wire arc additive manufactured WE43 magnesium alloy Open
The traditional WE43 magnesium alloy (WE43-Mg) manufacturing process faces challenges in producing large and complex structures. The cold metal transfer wire arc additive manufacturing (CMT-WAAM) offers a promising solution due to its flex…
View article: Effects of deposition paramaters on the microstructure evolution of wire arc additive manufactured Al–Zn–Mg–Cu alloy
Effects of deposition paramaters on the microstructure evolution of wire arc additive manufactured Al–Zn–Mg–Cu alloy Open
Wire arc additive manufacturing (WAAM) is a suitable method for fabricating large high-strength components made of the Al–Zn–Mg–Cu alloy. However, the solidification behavior of this alloy is complex due to its composition. The inhomogeneo…
View article: Numerical simulation of arc characteristics in K-TIG welding
Numerical simulation of arc characteristics in K-TIG welding Open
K-TIG welding is a highly efficient welding technique that enables full penetration to be achieved with a single pass, without the need for groove preparation or wire filling. Comprehending the distinct arc characteristics of K-TIG welding…
View article: Effect of Fast-Frequency Pulsed Current Parameters on FFP-TIG arc Behavior and Its Implications for Inconel 718 Welding
Effect of Fast-Frequency Pulsed Current Parameters on FFP-TIG arc Behavior and Its Implications for Inconel 718 Welding Open
Tungsten inert gas (TIG) is currently one of the most widely applied welding technologies. However, the arc energy divergence and high heat input of conventional TIG can lead to welding defects in heat-input-sensitive alloys (such as Incon…
View article: Effect of Heat Input on Microstructure and Mechanical Properties of Deposited Metal of E120C-K4 High Strength Steel Flux-Cored Wire
Effect of Heat Input on Microstructure and Mechanical Properties of Deposited Metal of E120C-K4 High Strength Steel Flux-Cored Wire Open
The effect of different heat inputs of 1.45 kJ/mm, 1.78 kJ/mm and 2.31 kJ/mm on the microstructure and mechanical properties of deposited metals of the self-developed AWS A5.28 E120C-K4 high strength steel flux-cored wire was studied by op…
View article: A comparison of the swing and non-swing arc behavior in arc ultrasonic assisted narrow gap GMAW
A comparison of the swing and non-swing arc behavior in arc ultrasonic assisted narrow gap GMAW Open
The arc ultrasonic technology was applied to the swing arc narrow gap GMA welding process of aluminum alloy. The ultrasonic energy acts on the welding process by superimposing an ultrasonic current on the basis of pulsed welding current. T…
View article: Twinned dendrites growth in wire arc directed energy deposition of Al-Zn-Mg-Cu alloy
Twinned dendrites growth in wire arc directed energy deposition of Al-Zn-Mg-Cu alloy Open
Twinned dendrites have attracted worldwide attention in the past half century due to their unusual orientation and crystallographic symmetry. Successive research has established a basic understanding of them in relatively steady processes …
View article: Effect of External Magnetic Field on the Forming, Microstructure and Property of TC4 Titanium Alloy during the Directed Energy Deposition Arc Additive Manufacturing
Effect of External Magnetic Field on the Forming, Microstructure and Property of TC4 Titanium Alloy during the Directed Energy Deposition Arc Additive Manufacturing Open
In this work, the thin wall components of TC4 titanium alloy were produced by using external magnetic field hybrid gas metal welding (EM-GMAW). The effect of the external magnetic field on the forming, microstructure, and property of wire …
View article: Digital High-power AC-Pulse Submerged Arc Welding Power Source
Digital High-power AC-Pulse Submerged Arc Welding Power Source Open
华南理工大学机械与汽车工程学院 广州 510640； 2. 哈尔滨工业大学先进焊接与连接国家重点实验室 哈尔滨 150001； 3. 北京时代科技股份有限公司 北京 100094)
View article: Comparison of the Swing Arc Behavior and the Non-Swing Arc Behavior in Arc Ultrasonic Assisted Ng-Gmaw
Comparison of the Swing Arc Behavior and the Non-Swing Arc Behavior in Arc Ultrasonic Assisted Ng-Gmaw Open
View article: Overlapping Features and Microstructures of Coarse Grain Heat-Affected Zones in Swing Arc Narrow Gap GMA Welded EH40 Grade Steels
Overlapping Features and Microstructures of Coarse Grain Heat-Affected Zones in Swing Arc Narrow Gap GMA Welded EH40 Grade Steels Open
Swing arc narrow gap GMA welding experiments were carried out with a Box–Behnken response surface design. Weld metal and heat-affected sizes were measured from the joints obtained, and an ANOVA was performed to obtain well-fitting models f…
View article: Microstructure and mechanical properties of GTA-based wire arc additive manufactured AZ91D magnesium alloy
Microstructure and mechanical properties of GTA-based wire arc additive manufactured AZ91D magnesium alloy Open
Wire arc additive manufacturing offers advantages in producing large metal structures. The current research on GTA-based wire arc additive manufacturing (GTA-WAAM) of magnesium alloys is focused on deformed magnesium alloys, mainly on the …