Hongyan Wu

ORCID: 0009-0000-7064-9401
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Research Areas
  • X-ray Diffraction in Crystallography
  • Metal and Thin Film Mechanics
  • Crystallization and Solubility Studies
  • Electrospun Nanofibers in Biomedical Applications
  • Corrosion Behavior and Inhibition
  • Advanced Sensor and Energy Harvesting Materials
  • Aluminum Alloys Composites Properties
  • Hydrogen embrittlement and corrosion behaviors in metals
  • ZnO doping and properties
  • Metallurgy and Material Forming
  • Electrodeposition and Electroless Coatings
  • Intermetallics and Advanced Alloy Properties
  • Metal Alloys Wear and Properties
  • Advanced ceramic materials synthesis
  • Advanced materials and composites
  • Mechanical stress and fatigue analysis
  • Surface Modification and Superhydrophobicity
  • Diamond and Carbon-based Materials Research
  • Microstructure and Mechanical Properties of Steels
  • Magnesium Alloys: Properties and Applications
  • Gas Sensing Nanomaterials and Sensors
  • Aerogels and thermal insulation
  • Advanced Fiber Optic Sensors
  • Textile materials and evaluations
  • High Entropy Alloys Studies

Nanjing University of Information Science and Technology
2009-2024

Donghua University
2020-2022

State Key Laboratory of Silicon Materials
2012

Zhejiang University
2012

Shanghai University
2010-2012

Nanjing University of Science and Technology
2011

Fudan University
2010

Nanjing University of Aeronautics and Astronautics
2008-2010

Health risks in an extremely cold environment make warm retention equipment highly desirable. However, creating materials with a high performance and robust mechanical property to durably prevent against the harsh conditions is challenging. Herein, we report on one-step facile strategy fabricate stretchable superelastic fibrous sponges by unique "stiff–soft" polymer networks within fibers bonding architecture among fibers. The premise of this design that stiff polystyrene can endow rigidity...

10.1021/acsami.0c05333 article EN ACS Applied Materials & Interfaces 2020-05-26

People living in very cold climates urgently desire warmth retention equipment to remain healthy. However, creating materials that exhibit both effective warm and robust mechanical properties maintain stable structures is extremely challenging. Herein, we report a facile time-saving strategy for preparing ultralight, mechanically robust, high-performance via direct electrospinning thermal crosslinking. Fluffy fibrous assemblies with stereoscopic fiber networks are fabricated humidity-induced...

10.1021/acsami.1c03658 article EN ACS Applied Materials & Interfaces 2021-04-09

Nanofibrous sponges enable promising potentials in warmth retention but are impeded by short service life and nonwashability, owing to their inadequate mechanical properties. Herein, a scalable strategy is reported develop ultralight, superelastic, washable micro/nanofibrous (MNFSs) with rigid-flexible coupling architecture created bridging high-modulus polyethylene terephthalate microfibers flexible polyacrylonitrile nanofibers via robust bonding structures. Meanwhile, the situ doping of...

10.1021/acs.nanolett.1c04571 article EN Nano Letters 2022-01-10

In this work, a novel heterojunction based on ZnSnO3/ZnO nanofibers was prepared by simple electrospinning method. The crystal, structural, and surface compositional properties of ZnSnO3 composite were investigated X-ray diffractometer (XRD), scanning electron microscope (SEM), transmission (TEM), photoelectron spectrometer (XPS), Brunauer–Emmett–Teller (BET). Compared to pure nanofibers, the heterostructure had high sensitivity selectivity response with fast toward ethanol gas at low...

10.3390/met12020196 article EN cc-by Metals 2022-01-21

A low carbon steel containing Cu addition was treated by Q&P process using a CAS- 200 continuous annealing simulator. The microstructure of the characterized means SEM, EBSD, XRD and TEM its mechanical properties were investigated tensile testing at room temperature. Cu-rich precipitates formed during observed as spherical particles in martensitic laths are 9 nm to 20 diameter. According Orowan mechanism, those fine may have contribution yield strength about 134 MPa. Also three different...

10.3724/sp.j.1037.2013.00176 article EN ACTA METALLURGICA SINICA 2013-01-01

This research addressed the drawbacks of conventional hybrid structure and processing technique by presenting a novel distributed fiber optic sensor based on Michelson Mach-Zehnder interferometer. The can achieve blind spot free positioning has wide response frequency, additionally its is not complex. It obtain two phase signals from each interferometers using demodulation method that uses 3 × optical coupler. To determine position disturbance, we computed cross-correlations following basic...

10.1364/oe.517278 article EN cc-by Optics Express 2024-02-22

Abstract A superhydrophobic copper coating was prepared by combining ionic liquid electrodeposition and a brief stearic acid modification process. After modification, the well formed flower-like clusters were present on surface of coating. Finally, sample exhibits good performance with contact angle 158° obvious self-cleaning behavior. The results potentiodynamic polarization electrochemical impedance measurements revealed that presence could improve anti-corrosion property samples.

10.1515/ijmr-2023-0108 article EN International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde) 2024-06-11

Plasma Surface Metallurgy /Alloying is a kind of surface metallurgy/alloying to employ low temperature plasma produced by glow discharge diffuse alloying elements into the substrate material form an alloy layer. It different with ion nitriding technology, which only applicable infiltration non-metallic elements. “Double Glow Technology”, also known as “Xu-Tec Process” can utilize any chemical in periodic table including solid metallic, gas and their combination realize alloying, hence...

10.11648/j.ajpa.20210904.12 article EN American Journal of Physics and Applications 2021-01-01
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