140 Result(s)
within
Feng**a Liu
Materials Science
Characterization and Evaluation of Materials
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Article
Investigation of Material Properties Based on 3D Graphite Morphology for Compacted Graphite Iron
The strength and thermal conductivity of compacted graphite iron (CGI) are crucial performance indicators in its engineering application. The presence of graphite in CGI significantly influences the two proper...
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Article
Tailoring the stability of iron carbides to enhance the mechanical performances of Fe–C–Mn–Si alloys
The Fe–C–Mn–Si alloys are promising advanced high strength steels (AHSSs) with their performances greatly influenced by iron carbides precipitated in quenching and partitioning process. To date, the structural...
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Article
Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys for fuel tanks: part II—effect of multi-pass repair welding
During the fabrication of fuel tanks by adopting friction stir welding (FSW), welding defects were almost unavoidable. The multi-pass repair FSW is the preferred repair welding technique for fuel tanks. Howeve...
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Article
Effect of hot isostatic pressure on the microstructure and tensile properties of γ′-strengthened superalloy fabricated through induction-assisted directed energy deposition
The microstructure characteristics and strengthening mechanism of Inconel738LC (IN-738LC) alloy prepared by using induction-assisted directed energy deposition (IDED) were elucidated through the investigation ...
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Article
Solution-processed IGZO field-effect transistors with a three-step laser annealing process
In this paper, a three-step annealing process was employed to treat IGZO thin-film field-effect transistors (TFTs). We observed that TFTs prepared by an initial high-temperature thermal annealing exhibited a l...
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Article
Melt Quality of A356.2 Alloy in the Pressure Counter Pressure Casting Process for Steering Knuckles
The present study investigates the melt quality of A356.2 alloy during the pressure counter pressure casting (CPC) process for steering knuckles, by means of fracture analysis of tensile test bars, hydrogen co...
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Article
New process for treating boron-bearing iron ore by flash reduction coupled with magnetic separation
Boron is an important industrial raw material often sourced from minerals containing different compounds that cocrystallize, which makes it difficult to separate the mineral phases through conventional benefic...
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Article
Interfacial Characterization and Mechanical Properties of Friction Stir Welding Dissimilar Joint Between Al Alloy and Advanced Ultrahigh-Strength Steel
Effectively joining Al alloy to advanced ultrahigh-strength steels (AUHSSs, the strength over 1 GPa) shows the considerable potential in lightweight design with the increase in the application of these two mat...
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Article
Effect of Deposition Thickness on the Microstructure of Laser Solid Forming 34CrNiMo6 Steel
In this study, the microstructure evolution of laser solid forming (LSF) 34CrNiMo6 steel with different deposition thickness was investigated. The microstructure of 10 layers (1.35 mm) sample from bottom to to...
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Article
Phase Constitution, Microstructure, and Properties of Two Flame-Sprayed Ni60 Coatings with Different Carbon Contents
Ni60 alloy is one of the important brands of nickel-based self-fusing alloys. It is widely used in industries such as metallurgy, mining, and other fields for the repair and protection of fragile parts. Howeve...
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Article
Transformation of Ba0.7Sr0.3TiO3 from ferroelectrics to relaxor ferroelectrics by do** of Bi(Mg0.5Sn0.5) and realization of high energy storage
The relaxor ferroelectrics as a new type of lead-free capacitor ceramic with high energy storage density has been extensively explored. In this paper, we reported a new recipe, (1−x)Ba0.7Sr0.3TiO3–xBi(Mg0.5Sn0.5)...
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Article
Microstructure Evolution and Micro-nano-mechanical Properties of 6061 Aluminum Alloy in Hot Flow Forming under Different Thinning Rates
Microscopic plastic deformation mechanism of hot flow forming of 6061 aluminum alloy was analyzed by nanoindentation experiments and numerical simulations. The effects of different thickness reductions on the ...
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Article
Quasi-brittle Deformation and Fracture Behaviors of NM450TP High-Strength Wear-Resistant Steel Plates during Twice Tensile Test
As the strength grade increases, the cold formability of high-strength steels (HSS) inevitably decreases and the brittleness tendency is obvious. However, in most existing studies on HSS forming the assumption...
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Article
Characteristics of Inclusions and Microstructures Around Solidification Hook of Low-Carbon Steel Continuous Casting Slab
The area around the solidification hook for low-carbon steel continuous casting slab is divided into four zones: zone A (the overflow zone), zone B (the capture zone), zone C (the zone between oscillation mark...
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Article
Fatigue Life Prediction of Gray Cast Iron for Cylinder Head Based on Microstructure and Machine Learning
Conventional fatigue tests on complex components are difficult to sample, time-consuming and expensive. To avoid such problems, several popular machine learning (ML) algorithms were used and compared to predic...
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Article
Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys: part I—microstructure evolution and mechanical properties
The need for 2219 aluminum alloy and 2195 Al–Li alloy dissimilar friction stir welding (FSW) arises as the conventional 2219Al alloy was gradually replaced by the novel 2195Al alloy in fabrication of fuel tank...
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Article
Good thermoelectric performance and stability in copper sulfide synthesized by hydrothermal method and densified by HP technique
We investigate the thermoelectric performance and the stability of polycrystalline p-type Cu2−xS fabricated by hydrothermal method and hot-pressing technique. The relative pure copper sulfides are obtained via th...
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Article
Relationship between the 13C chemical shifts of adsorbed mesityl oxide and acid strength of solid acid catalysts
The carbon-containing molecule can be used as an NMR probe to explore the acidic and structural features of various catalytic materials. Thereinto, although mesityl oxide (MO) has been extensively employed to ...
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Article
An Experimental Study on Gas–Liquid Flow and Mixing Behavior in a Copper Side-Blown Smelting Furnace
The side-blown smelting technology has been widely adopted in the smelting of complex copper concentrate. This study investigated the flow field distribution in the copper smelting process in a 10:1 scaled co...
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Article
Do** Effect of Ca2+ Ions on the Electric and Magnetic Properties of Aurivillius CaxBi6–xFe0.5Co0.5Ti4O18 Thin Films Prepared by Chemical Solution Deposition
Do** with different valence ions in Aurivillius compounds can induce lattice distortion and further affect the ferroelectric and magnetic properties of the materials. In this work, CaxBi6–xFe0.5Co0.5Ti4O18 thin...
