A5029888393- Advanced materials and composites
- Titanium Alloys Microstructure and Properties
- Intermetallics and Advanced Alloy Properties
- Aluminum Alloys Composites Properties
- Perovskite Materials and Applications
- Conducting polymers and applications
- Metal and Thin Film Mechanics
- Additive Manufacturing Materials and Processes
- Electrocatalysts for Energy Conversion
- Orthopaedic implants and arthroplasty
- Powder Metallurgy Techniques and Materials
- Fuel Cells and Related Materials
- Advanced Memory and Neural Computing
- Aluminum Alloy Microstructure Properties
- Nanoporous metals and alloys
- Thermal and Kinetic Analysis
- Catalytic Processes in Materials Science
- Magnesium Alloys: Properties and Applications
- Quantum Dots Synthesis And Properties
- Semiconductor materials and interfaces
- Thermodynamic and Structural Properties of Metals and Alloys
- Injection Molding Process and Properties
- Metallurgical and Alloy Processes
- Advanced battery technologies research
- Gas Sensing Nanomaterials and Sensors
Jilin University
2016-2024
Jilin International Studies University
2021-2023
Jilin Jianzhu University
2021
Jilin Medical University
2016
Fabrication of high-performance titanium (Ti) alloys containing high-melting-point elements is challenging via blended elemental powder metallurgy (BEPM), because the inevitable high porosity induced during pressing and sintering processes. Herein, we propose a novel master-alloy pre-hydrogenation (MAPH) method to fabricate sintered TC16 (Ti-3Al-5Mo-4.5 V) alloy, which possess nearly full-density (99.2%) good mechanical properties, i.e., an UTS ∼ 1004.6 MPa, YS ∼934.2 MPa EL ∼15.8%. The...
Blue light-emittin g diodes (LEDs) are important components for perovskite electroluminescence applications, which still suffer from insufficient luminescence efficiency and poor stability. In Cl/Br mixed NCs, surficial defects cause severe light failure ion migration, the in-depth mechanism of is also not clear. To gain insights into these issues, we employ ligand post-addition approach NCs by using octylammonium hydrobromide (OctBr) ligands, effectively decrease loss block migration...
Regulating the morphology and composition of Fe-containing phases can significantly improve mechanical properties Al–Mg–Si alloys. Here, we successfully prepared high-performance AA6061 alloys by route sub-rapid solidification (SRS) based on twin-roll casting (TRC). Excellent tensile strength (∼372 MPa) elongation (∼19%) were achieved in peak-aged TRC sample, which increased simultaneously compared with counterpart (∼351 MPa ∼14%) fabricated via ingot (IC). It was found that...
Sintered Ti–6Al–4V compacts prepared from TiH2/60Al40V powder blends were subjected to hot rolling and heat treatment under various conditions. The microstructural evolution mechanical properties investigated by X-ray diffraction, scanning electron microscopy, optical backscatter transmission universal testing. hot-rolled samples with 88% deformation possessed a near-dense lamellar microstructure ultrafine α lamellae (less than 1 μm). Systematic investigation of the temperature isothermal...
Here we report a nanoporous (Pt<sub>1−x</sub>Fe<sub>x</sub>)<sub>3</sub>Al intermetallic compound exhibiting impressive electroreduction catalytic activity and durability for the oxygen reduction reaction.
Light-emitting diodes using metal halide perovskite (PeLEDs) exhibit a strong potential for emerging display technologies due to their unique optoelectronic characteristics. However, blue emission PeLEDs, there remains huge challenge achieve high performance, an issue that has been addressed in red and green counterparts. The community is circumventing the challenges synthesizing stable, high-quantum-efficiency, low-defect-density emitters. Here, facile strategy replaces Pb by adding...
In the present study, 98.6-99.5% dense in situ reinforced Ti6Al4V/TiB composites were manufactured with a newly developed approach based on hydrogen-assisted blended elemental powder metallurgy (BEPM). The includes activation milling of titanium produced hydrogenation-dehydrogenation (HDH-Ti powder) finer TiB2 additives, following blending TiH2 and master alloy (MA) powders, final press-and-sinter operations. Scanning electron microscope (SEM) observations prove formation microstructures...
Organic–inorganic metal halide perovskites have recently attracted enormous interest in the field of resistive switching memories owing to their unique electrical properties. Unfortunately, two challenges, inadequate long-term stability and toxicity lead, largely hinder further practical application. Herein, a 1D all-inorganic lead-free CsCu2Br3 perovskite is proposed for devices resolve these issues. The CsCu2Br3-based exhibit typical bipolar behavior with low set voltage, high on/off ratio...
The use of TiH2 as initial powder can produce nearly full-density titanium with good mechanical properties. In this paper, compaction and sintering behaviors HDH Ti powders were investigated at various combinations particle size distributions, pressures, compact methods. Main attention was given to a manufacturing route that included cold isostatic pressing (CIP) is potentially capable producing complicated shape components homogeneous density distributions. results showed the priority using...
The present work proposes a novel master-alloy pre-hydrogenation powder metallurgy (MAPH) method to fabricate the TC16 (Ti-3Al-5Mo-4.5 V) alloy, which overcomes challenge of low sintering density due high percentage alloying powders (APs) and presence Mo element. relative sintered alloys increases with Ti-addition in APs, i.e., ∼99.2% ∼99.4% for based on pre-hydrogenated 7.5Ti-3Al-5Mo-4.5 V (7.5TiMA-Hx) 12.5Ti-3Al-5Mo-4.5 (12.5TiMA-Hx) powders, respectively. APs were successfully modified be...
The manufacturing of in situ reinforced titanium matrix composites by the sintering hydride and ceramic powder blends is an attractive cost‐efficient process. Herein, a novel two‐stage (double‐compaction/double‐sintering) hydrogen‐assisted approach suggested to produce uniform highly dense Ti‐based with TiB, TiC, dual TiC + TiB phase particles. In this approach, hydrogenation milling presintered products enable initial porous materials transform into hydrogenated prealloyed (PA) powders...