Kai Li

ORCID: 0000-0002-9645-4896
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Research Areas
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Aluminum Alloy Microstructure Properties
  • Aluminum Alloys Composites Properties
  • Microstructure and mechanical properties
  • Advanced materials and composites
  • Metal and Thin Film Mechanics
  • Metallurgy and Material Forming
  • Magnesium Alloys: Properties and Applications
  • Intermetallics and Advanced Alloy Properties
  • Advanced ceramic materials synthesis
  • GaN-based semiconductor devices and materials
  • Solidification and crystal growth phenomena
  • Innovative concrete reinforcement materials
  • Metal Forming Simulation Techniques
  • Laser Material Processing Techniques
  • Welding Techniques and Residual Stresses
  • High-Temperature Coating Behaviors
  • Photocathodes and Microchannel Plates
  • Metallurgical and Alloy Processes
  • Diamond and Carbon-based Materials Research
  • Advanced Welding Techniques Analysis
  • High Entropy Alloys Studies
  • Advanced Materials Characterization Techniques
  • Hydrogen Storage and Materials

Guangxi University
2025

Jiaxing University
2025

Zhejiang Normal University
2025

Hunan University
2019-2024

Central South University
2015-2024

China Automotive Technology and Research Center
2024

Pingdingshan University
2022-2024

Southwest University
2024

Southern University of Science and Technology
2024

Qingdao University
2024

High strength aluminum alloys are widely used but their is reduced as nano-precipitates coarsen rapidly in medium and high temperatures, which greatly limits application. Single solute segregation layers at precipitate/matrix interfaces not satisfactory stabilizing precipitates. Here we obtain multiple interface structures an Al-Cu-Mg-Ag-Si-Sc alloy including Sc layers, C L phases well a newly discovered χ-AgMg phase, partially cover the θ' By atomic resolution characterizations ab initio...

10.1038/s41467-023-38730-z article EN cc-by Nature Communications 2023-05-23

Abstract The ultrafast laser-matter interaction is explored to induce new pioneering principles and technologies into the realms of fundamental science industrial production. local thermal melting connection properties laser welding technology offers a novel method for diverse transparent materials, thus having wide range potential applications in aerospace, opto-mechanical systems, sensors, microfluidic, optics, etc. In this comprehensive review, tuning transient electron activation...

10.1088/2631-7990/ada7a7 article EN cc-by International Journal of Extreme Manufacturing 2025-01-08

Efficient spatial charge separation and transfer that are critical factors for solar energy conversion primarily depend on the energetic alignment of band edges at interfaces in heterojunctions. Herein, we first report constructing a 0D/0D type-II(T-II)/T-II heterojunction is an effective strategy to ingeniously achieve long-range by taking ternary TiO2 graphitic carbon nitride (g-C3N4) as proof-of-concept. Incorporating g-C3N4 quantum dots (QCN), third component, into commercial P25...

10.1039/d0nr00176g article EN Nanoscale 2020-01-01

B′ is a common type of metastable precipitate in over-aged Al-Mg-Si alloys, which long regarded as variation the Q Al-Mg-Si-Cu alloys due to similarity between their lattice parameters. Atomic-resolution high angle annular dark field scanning transmission electron microscopy and energy dispersive X-ray elemental mapping at low beam damage conditions, well first-principles calculations were used explore atomistic structure B′. It has hexagonal unit cell with space group P6¯ parameters a=...

10.1016/j.actamat.2019.11.059 article EN cc-by Acta Materialia 2019-11-28

It is well known that lower quench rate leads to the formation of precipitate free zones (PFZs) adjacent grain boundaries in aging hardening materials such as Al–Mg–Si alloys. However, combined effect PFZs and intragranular precipitates on yield strength alloys not systematically understood. To clarify this, an alloy was water/oil/air quenched after solid solution treatment, then aged at 180 °C for 6 h. found a led coarser wider PFZs. The effects were separated by quantitative...

10.1016/j.jmrt.2023.04.178 article EN cc-by Journal of Materials Research and Technology 2023-04-23

Heat treatable Al-Mg-Si alloys can be strengthened via the precipitation of metastable phase particles. The sequence an Al-0.89Mg-0.75Si alloy with trace Fe and Zn elements during aging at 180 ?C has been investigated by transmission electron microscope (TEM), high resolution (HRTEM) hardness measurements. It shown that identified as follows: supersaturated solid solution ? G.P. zones ?? precipitates stable + Si is indicated remains up to 30 hours 180?C. measurements realize main...

10.2298/jmmb1002171f article EN cc-by-sa Journal of Mining and Metallurgy Section B Metallurgy 2010-01-01

A natural resource such as peony flower has been employed for the first time a new carbon precursor to prepare green-emitting nanodots (CDs). The emission peak is situated at 523 nm and excitation wavelength can be extended visible light range (452 nm). Due formation of CD-MnO2 nanocomposites, intensity CDs sharply reduced consequence Förster resonance energy transfer (FRET). Moreover, glucose recognized due enzymatic conversion by oxidase generate H2O2. MnO2 nanosheets are form Mn(ii) ions,...

10.1039/c9nr03583d article EN Nanoscale 2019-01-01
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