Yaoyao Weng

ORCID: 0000-0003-4670-3492
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About
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Research Areas
  • Aluminum Alloy Microstructure Properties
  • Aluminum Alloys Composites Properties
  • Microstructure and mechanical properties
  • Metallurgy and Material Forming
  • Microstructure and Mechanical Properties of Steels
  • Magnesium Alloys: Properties and Applications
  • Metal Forming Simulation Techniques
  • Metal Alloys Wear and Properties
  • Advanced Sensor and Energy Harvesting Materials
  • Bauxite Residue and Utilization
  • Adsorption and biosorption for pollutant removal
  • Corrosion Behavior and Inhibition
  • Nanomaterials for catalytic reactions
  • Hydrogen embrittlement and corrosion behaviors in metals
  • Additive Manufacturing Materials and Processes
  • nanoparticles nucleation surface interactions
  • Carbon and Quantum Dots Applications
  • Thermodynamic and Structural Properties of Metals and Alloys
  • High-Temperature Coating Behaviors
  • Conducting polymers and applications
  • Metallurgical Processes and Thermodynamics
  • Phosphorus and nutrient management
  • Energy Harvesting in Wireless Networks
  • Supercapacitor Materials and Fabrication
  • High Entropy Alloys Studies

Nanjing Institute of Technology
2020-2024

Zhejiang Industry Polytechnic College
2021-2023

Chongqing University
2015-2019

China Iron and Steel Research Institute Group
2017

Chongqing University of Science and Technology
2016

Chinese Society for Electrical Engineering
2013

The effects of Cu content and heat treatment process on the microstructures mechanical properties a series Al−Si−Mg−Mn−xCu cast aluminum alloys prepared by vacuum die casting were investigated three-dimensional X-ray microscopy, optical scanning electron transmission microscopy microhardness testing. It was found that number density size gas porosities increase with increasing content. However, addition will promote formation Cu-containing primary phases (Q-Al5Cu2Mg8Si6 θ-Al2Cu) during...

10.1016/s1003-6326(23)66431-3 article EN Transactions of Nonferrous Metals Society of China 2024-03-01

The combined effect of pre-aging and Ag/Cu addition on natural aging bake hardening in Al-Mg-Si alloys were studied by Vickers microhardness measurement, tensile test, atom probe tomography transmission electron microscopy. results showed that Ag and/or Cu could further enhance the positive for alloys. Although pre-aged with individual had higher paint hardness, hardness T4P temper was relatively high due to effectively forming Cluster(2) during pre-aging. While Ag-Cu-added alloy low...

10.1016/j.pnsc.2018.04.007 article EN cc-by-nc-nd Progress in Natural Science Materials International 2018-06-01

The effect of pre-straining on the structure and formation mechanism precipitates in an Al–Mg–Si–Cu alloy was systematically investigated by atomic resolution high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM). Elongated string-like are formed along dislocations pre-strained alloy. exhibit three features: non-periodic arrangement within precipitate; Cu segregation occurring at precipitate/α(Al) interface; different orientations presented one individual...

10.1016/s1003-6326(22)65805-9 article EN Transactions of Nonferrous Metals Society of China 2022-02-01

Microstructure evolution of 0·2C–5Mn steel during the intercritical annealing at different temperatures was studied. It found that microstructure gradually evolved from martensite structure into a consisted austenite and ferrite process. The retained volume fraction reached maximum value 36·5 after about 10 min 680°C. also carbides precipitated initial stage dissolved following process for all temperatures; interestingly, fresh found, indicating part newly forming unstable would transform...

10.1179/1743284713y.0000000416 article EN Materials Science and Technology 2013-10-31
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