97 Result(s)
within
**ng Yongchang
Materials Science
-
Article
Recent advances and perspectives in MXene-based cathodes for aqueous zinc-ion batteries
Aqueous zinc-ion batteries (AZIBs) show great potential for applications in grid-scale energy storage, given their intrinsic safety, cost effectiveness, environmental friendliness, and impressive electrochemic...
-
Article
High-Temperature Fatigue Behavior of Inertia Friction Welded Joints of GH4065A Ni-Based Superalloy
In this work, the novel Ni-based superalloy GH4065A inertia friction welding (IFW) joints were subjected to the post-welding heat treatments (PWHT) at 730 ℃ for 5 h or 760 ℃ for 5 h, and the differences in mic...
-
Article
Improving Tensile Properties of Dissimilar TLP Bonding Joints of IN718 Nickel-Based Superalloy/316LN Austenitic Steel by Long-Term Post-bonded Homogenization Treatment
The presence of boride precipitates has a detrimental impact on the mechanical properties of TLP bonding joints. This study investigated the effectiveness of the long-term post-bonded homogenization treatment ...
-
Article
Improving creep strength of the fine-grained heat-affected zone of novel 9Cr martensitic heat-resistant steel via modified thermo-mechanical treatment
The infamous type IV failure within the fine-grained heat-affected zone (FGHAZ) in G115 steel weldments seriously threatens the safe operation of ultra-supercritical (USC) power plants. In this work, the tradi...
-
Article
Synergistic effect of Gd and Sr on the microstructure and mechanical properties of Al–Si–Mg alloy
Al–Si–Mg alloys have received widespread application in communication, transportation and other fields on account of their attractive properties, e.g. superior castability, high ductility and excellent corrosi...
-
Article
Microstructure Evolution of Athermal Solidification Zone and Its Effect on Mechanical Properties in Dissimilar Transient Liquid Phase Bonded Joint of IN718 Ni-Based Alloy/316LN Steel
Transient liquid phase (TLP) bonding of IN718 Ni-based alloy and 316LN steel was carried out using BNi-2 alloy foil at 1050 °C for diverse bonding time. The formation process of intermetallics in the athermal ...
-
Article
Open AccessPhase patterning of metallic glasses through superfast quenching of ion irradiation-induced thermal spikes
Amorphous metallic glasses (MGs) convert to crystalline solids upon annealing at a high temperature. Such a phase change, however, does not occur with the local melting caused by damage cascades introduced by ...
-
Article
Achieving High Strength and High Electrical Conductivity of Additive Manufactured CuCrZr Alloys: The Role of the Post-Heat Treatments on Microstructure and Properties
In this work, two different types of post-heat treatment processes were developed for additively manufactured CuCrZr alloy. The effect of post-heat treatment on the microstructure and properties of as-built Cu...
-
Article
Effect of water vapor on the oxidation behavior of Al2Zr alloys
To reveal the effects of water vapor on the oxidation mechanism of Al–Zr-based materials, the Al2Zr alloy was oxidized in a wet atmosphere. Water vapor achieves the synchronous oxidation of Al and Zr to form amor...
-
Article
High-Efficiency Tandem OLED with Multiple Buffer Layers to Enhance Electron Injection and Transmission
Building on the C60/CuPc organic photovoltaic (OPV) heterojunction, in this work we have incorporated Al and NPB: F4-TCNQ as charge buffer layers. The performance of the device is significantly enhanced by improv...
-
Article
Interface characteristics and properties of nickel-based alloy coatings on cast iron fabricated by plasma and cold metal transfer wire-arc deposition
Nickel-based alloy deposition on cast iron surfaces is beneficial to improve wear and corrosion resistance and increase service life. In this paper, Inconel 625 nickel-based alloy on gray cast iron was wire-ar...
-
Article
Open AccessInvestigation of hollow mesoporous NiFe2O4 nanospheres fabricated via a template-free solvothermal route as pH-responsive drug delivery system for potential anticancer application
A novel magnetic-targeted pH-responsive intelligent drug carrier based on hollow mesoporous structured NiFe2O4 nanospheres was designed and developed for potential anticancer treatment in the present study. The h...
-
Article
Prediction of M–A Constituents and Impact Toughness in Stir Zone of X80 Pipeline Steel Friction Stir Welds
This study explored a strategy for predicting the proportion of martensite–austenite (M–A) constituents and impact toughness of stir zone (SZ) on X80 pipeline steel joints welded by friction stir welding (FSW)...
-
Article
Skin-Attachable Sensors for Biomedical Applications
With the growing concern about human health issues, especially during the outbreak of the COVID-19 pandemic, the demand for personalized healthcare regarding disease prevention and recovery is increasing. Howe...
-
Article
Highly sensitive and fast response acetone gas sensor based on Co3O4–ZnO heterojunction assembled by porous nanoflowers
Acetone is an important raw material for organic synthesis in modern industrial production. However, working in an environment with large acetone concentrations can cause explosive accidents in addition to irr...
-
Article
Precipitates evolution and strengthening of Al–Mg2Si alloys containing high-Cu contents during ageing process
Precipitation evolution and strengthening effect of Al-15wt%Mg2Si-5wt%Cu alloy were studied by characterizing the change of morphology and tensile properties after ageing at 200 °C for various times. At the under...
-
Article
Hot Deformation Behavior of ATI 718Plus Alloy with Different Microstructures
In this work, the effect of microstructure on hot deformation behavior of ATI 718Plus (hereinafter refers to 718Plus) alloy was studied by isothermal compression test. The results showed that when the strain r...
-
Article
Modification Mechanism and Uniaxial Fatigue Performances of A356.2 Alloy Treated by Al-Sr-La Composite Refinement-Modification Agent
Modification mechanism and uniaxial fatigue properties of A356.2 alloy treated by Al-6Sr-7La and traditional Al-5Ti-1B/Al-10Sr (hereinafter refers to traditional treated alloy) were investigated by constant st...
-
Article
Hot Deformation Behavior and Recrystallization Mechanism in an As-Cast CoNi-Based Superalloy
The hot deformation behavior of as-cast CoNi-based superalloy was investigated by means of hot compression tests. The corresponding microstructure evolution after hot deformation was examined by optical micros...
-
Article
Effect of microstructure on temperature dependence of deformation behavior in polycrystalline CoNi-based superalloy
The initial microstructures with the unimodal and bimodal size distribution of γ′ precipitates (referred to as UD and BD, respectively) in CoNi-based superalloy are obtained utilizing different heat treatment reg...
