A5102725003- Metal and Thin Film Mechanics
- Titanium Alloys Microstructure and Properties
- High Temperature Alloys and Creep
- High Entropy Alloys Studies
- Shape Memory Alloy Transformations
- Diamond and Carbon-based Materials Research
- Intermetallics and Advanced Alloy Properties
- Advanced materials and composites
- Metallurgy and Material Forming
- Additive Manufacturing Materials and Processes
- Aluminum Alloys Composites Properties
- High-Temperature Coating Behaviors
- Aluminum Alloy Microstructure Properties
- Magnesium Alloys: Properties and Applications
- Microstructure and mechanical properties
- Metal Alloys Wear and Properties
- Bone Tissue Engineering Materials
- Semiconductor materials and devices
- Advanced ceramic materials synthesis
- Supercapacitor Materials and Fabrication
- Magnetic Properties of Alloys
- Boron and Carbon Nanomaterials Research
- Welding Techniques and Residual Stresses
- Hydrogen Storage and Materials
- TiO2 Photocatalysis and Solar Cells
Yantai University
2015-2024
Shangluo University
2021-2023
Materials Science & Engineering
2018
Chinese Academy of Sciences
2005
In this paper, the evolution of γ′ and η phases new Ni–Co-based superalloy with different Nb contents was investigated using a combination thermodynamic calculations high-throughput selective laser melting (SLM). Thermodynamic show that increase content lowered solubility temperature phase caused precipitation phase. The alloys gradient prepared by SLM during aging at 800 °C for 100h indicated maximum volume fraction size reach 3.0–3.5% Nb. elongated enrichment in Ni, Ti, atoms precipitate...
Isothermal heat treatment experiments were used to studied the dissolution behavior and kinetics of γ′ precipitates within hot-extruded novel powder metallurgy Ni-based superalloy A1. The characteristics accurately rapidly extracted by deep learning methods. JMAK models established predict change area fraction during treatment. determination coefficient R2 model is 0.99. results indicate that sequence, morphological evolution, mechanisms three types are different. small-sized tertiary (γ′t)...
Developing an environmental-friendly and highly active catalyst in transesterification for biodiesel production is of great importance a more economic biodisel process. Herein, we reported that waste eggshells were used to adsorb Au(III) water convert the Au(III)-polluted into functional nanocatalyst-CaO/Au reaction between soybean oil methanol preparation biodiesel. By coupling CaO Au nanoparticles, CaO/Au nanoparticles showed superior catalytic activity methanol. An optimum performance was...
In this work, the thermoplasticity of hot extruded (HEXed) FGH4096 superalloy was greatly enhanced by sub-solvus temperature holding followed extremely slow cooling (S-ESC). After S-ESC processing, dispersed fine γ′ precipitates inside grains and grain boundaries obviously grow up. Under most deformation conditions, S-ESCed samples exhibit smaller flow stress larger strain rate sensitive index (m) values than HEXed samples, especially peak value m is 0.75 vs. 0.32. This because limit pinning...
In the present study, hydrogenation treatment was adopted to tailor phase constituents of Ti-V-Al shape memory alloy, further optimizing its performances. It can be found that induced transition from α″ martensite β parent phase. Moreover, large amounts hydride precipitates observed in treated alloy with longer time 5h. Meanwhile, grain size reduced as a result treatment. The interstitial atom H serving β-stabilizing element led reduction martensitic transformation temperature. proportion,...
The microstructure of the Ti–V–Al shape memory alloy with refined grain and in-situ TiB phase was modified by doping minor Boron (B), which contributes to superior mechanical performances strain recovery characteristics. Compared other quaternary Ti–V–Al-X alloys, Ti–V–Al–B showed largest ultimate tensile stress due solution strengthening, refinement precipitation strengthening phase. Moreover, added 0.1 at.%B possessed maximum yield 701 MPa fracture 27.6% at temperature 150 °C....