A5006668165- Additive Manufacturing Materials and Processes
- Additive Manufacturing and 3D Printing Technologies
- High Entropy Alloys Studies
- Welding Techniques and Residual Stresses
- Manufacturing Process and Optimization
- Fatigue and fracture mechanics
- Metal and Thin Film Mechanics
- Advanced Sensor and Energy Harvesting Materials
- Graphene research and applications
- High-Temperature Coating Behaviors
- Nanomaterials and Printing Technologies
- Bone Tissue Engineering Materials
- Calcium Carbonate Crystallization and Inhibition
- Mechanical Behavior of Composites
- Hydrogen embrittlement and corrosion behaviors in metals
- Metallurgy and Material Forming
- Advanced materials and composites
- Supercapacitor Materials and Fabrication
- Surface Treatment and Residual Stress
- Advanced Welding Techniques Analysis
- Electronic Packaging and Soldering Technologies
- Material Selection and Properties
AviChina Industry & Technology (China)
2023-2024
Chinese Academy of Sciences
2016-2022
Peking University
2022
University of Science and Technology of China
2016-2020
Voids are always unavoidably introduced into metals fabricated by selective laser melting (SLM), and thus greatly degrade fatigue performance of metals. Such a fatal weakness strongly limits the application SLM‐fabricated to load‐bearing structural components for long‐term service. Here, authors found that strength Inconel 718 is significantly improved after proper heat treatment route not only due elimination Laves phases precipitation γ″/γ′ strengthening phases, but also appearance...
Creep performance of additively-manufactured components is strongly related to additive manufacturing process-induced microstructures and loading direction. Here, the creep life cracking behavior Inconel 718 fabricated by selective laser melting were investigated systematically at 650°C 400 N means small punch testing method. The results show that periodic spatially heterogeneous composed V-shaped grains columnar are produced, play an important role in performance. Under same heat-treatment...
Selective laser melting (SLM) enables the in-situ precipitation of nanoparticles in metallic materials due to high cooling rates and complex thermal cycles. Despite low volume fraction such nanoparticles, their behavior significantly influences material properties but has received limited attention. This study systematically investigates effects oxygen content on behaviors tensile SLM-fabricated 316L stainless steels. By increasing steel powder from 0.02 wt.% (316L-O2) 0.06 (316L-O6),...
Abstract The pronounced brittleness of hard Laves phase intermetallics is detrimental to their tribological properties at room temperature. In this study, we utilized a heterogeneous structure engineer an ultrastrong dual-phase (Laves + B2) AlCoFeNiNb high-entropy alloy that exhibits low wear rate (3.82×10 −6 mm 3 /(N·m)) This resistance in the ball-on-disc sliding friction test with counterpart Al 2 O balls stems from activated deformation ability ultrafine lamellae under interface...
The relatively weak fatigue property of electron beam (EB)‐welded joints is one the key issues restricting their wide application. Herein, impact accelerating voltage, specifically process‐induced nonuniform microstructure, investigated on high‐cycle properties 15CrMnMoVA steel EB‐welded joints. It indicated in results that increasing voltage from 120 to 150 kV (150‐specimen) a longer life and an 11.8% improvement limit for welded joint with locking bottom structure. However, even after...