A5101772042- Additive Manufacturing Materials and Processes
- High Entropy Alloys Studies
- Additive Manufacturing and 3D Printing Technologies
- Welding Techniques and Residual Stresses
- Advanced ceramic materials synthesis
- High-Temperature Coating Behaviors
- Aluminum Alloy Microstructure Properties
- Advanced materials and composites
- Laser Material Processing Techniques
- Advanced Welding Techniques Analysis
- Particle Dynamics in Fluid Flows
- Bone Tissue Engineering Materials
- Advanced Surface Polishing Techniques
- Glass properties and applications
- Titanium Alloys Microstructure and Properties
- Superconducting Materials and Applications
- Laser-induced spectroscopy and plasma
- Advanced machining processes and optimization
- Physics of Superconductivity and Magnetism
- Metal Forming Simulation Techniques
- Vibration and Dynamic Analysis
- Composite Structure Analysis and Optimization
- Laser and Thermal Forming Techniques
- Laser-Ablation Synthesis of Nanoparticles
- Optical measurement and interference techniques
Dalian University of Technology
2014-2025
China Academy of Launch Vehicle Technology
2016
An efficient optimization framework of cylindrical stiffened shells with reinforced cutouts by curvilinear stiffeners is proposed in this study. First, an adaptive method to determine the near field around cutout and far away from presented. Then, a novel hybrid model established reduce computational efforts postbuckling analysis; numerical implementation asymptotic homogenization used smear out field, are adopted improve loading path thus local stiffness which can provide type flexible...
Laser cladding technology is an effective method for producing wear-resistant coatings on damaged substrates, improving both wear and corrosion resistance, which extends the service life of components. However, fabrication hard brittle materials highly susceptible to problem cracking. Using gradient transition layers strategy mitigate challenge achieving crack-free laser-melted coatings. This study presents cracking issue laser Ni60B (NiCrBSi) 38CrMoAl (18CrNiMo7-6) steel by designing a...
Commercialization of YBa/sub 2/Cu/sub 3/O/sub 7-x/ (YBCO) superconducting coated conductor composite (CCC) technology requires a cost-effective continuous manufacturing process. High critical current YBCO CCC wires with excellent uniformity over length have been fabricated using an all-continuous The architecture consists metal organic derived layer, on deformation-textured NiW alloy substrate buffered Y/sub 2/O/sub 3//YSZ/CeO/sub 2/. Critical at 77 K, self-field, up to 118 A was achieved in...
Rapid fabrication of dense ceramic structures with high-purity and complex geometry is high demand, however, it difficult to attain by traditional solid-phase sintering. In this paper, laser engineered net shaping system Al2O3, Y2O3 powders were utilized fabricate directly without doping any binders. Influences power on feature investigated experiments optimal process parameters successfully achieved. Net-shaped thin-wall hollow cylinder attained about 15 mm section sizes. Microstructure...
Purpose – The purpose of this paper is to investigate how a second-phase doping may affect Al 2 O 3 ceramic parts deposited by additive manufacturing (AM) with laser-engineered net shaping system. Direct fabrication engineering components AM relatively new method for producing complex mechanical structures. Design/methodology/approach In study, ZrO and Y powders are, respectively, doped into at the eutectic ratio as second phases improve quality part. , /ZrO /YAG (yttrium aluminum garnet)...
High dense Al2O3-ZrO2 (Y2O3) eutectics were directly prepared based on the raw material of ceramic powders by laser engineered net shaping. The microstructure, microhardness, and fracture toughness evaluated. compact cellular eutectic with nanosize microstructure homogeneous dispersion zirconia fibers embedded in continuous Al2O3 matrix obtained, periodic coarsening banded structure perpendicular to deposition direction produced due layer-by-layer shaping style. Testing results showed that...
Oxide melt growth ceramics (OMGCs) exhibit excellent performance and microstructure stability near their melting point are expected to become a new structural material for long-term stable service in extremely high-temperature water-oxygen environments. Owing its unique advantages of high efficiency, flexible manufacturing, near-net shaping, laser directed energy deposition (LDED) has promising technology the rapid preparation high-performance OMGCs. However, owing limited understanding...