A5101998692- Mechanical Behavior of Composites
- Chemical Reactions and Isotopes
- Mechanical stress and fatigue analysis
- Mechanical Engineering and Vibrations Research
- High-Velocity Impact and Material Behavior
- Asymmetric Hydrogenation and Catalysis
- Metal Forming Simulation Techniques
- Fiber-reinforced polymer composites
- Elasticity and Material Modeling
- Cellular and Composite Structures
- Advanced ceramic materials synthesis
- Epoxy Resin Curing Processes
- Advanced Numerical Analysis Techniques
- Dynamics and Control of Mechanical Systems
- Catalytic C–H Functionalization Methods
- Polymer composites and self-healing
- Textile materials and evaluations
- Aluminum Alloys Composites Properties
- Polymer Foaming and Composites
- Polymer crystallization and properties
- Innovations in Concrete and Construction Materials
- Tribology and Wear Analysis
- Natural Fiber Reinforced Composites
- Visual Attention and Saliency Detection
- Smart Materials for Construction
Ningbo University of Technology
2020-2025
Beihang University
2024-2025
Shandong University of Science and Technology
2020-2024
Ningbo Institute of Industrial Technology
2021-2024
Lanzhou University
2022-2024
Chinese Academy of Sciences
2023
PLA Army Engineering University
2021
State Council of the People's Republic of China
2020
China University of Petroleum, East China
2019
Dalian Minzu University
2014
The present research work is aimed to investigate the effect of infill pattern, density and material types 3D printed cubes under quasi-static axial compressive loading. proposed samples were fabricated though printing technique with two different materials, such as 100% polylactic acid (PLA) 70% vol PLA mixed 30% carbon fiber (PLA/CF). Four pattern structures triangle, rectilinear, line honeycomb 20%, 40%, 60%, 80% prepared. Subsequently, compression tests performed on examine crushing...
A regioselective deuteration at the β- and γ-position of pyridines is reported. Efficient occurred with a combination KOtBu DMSO-d6, replenishing prevailing α-deuteration pyridine systems. Preliminary mechanistic studies suggested that dimsyl carbanion acts as one key intermediates.
This study investigates the effects of loading rate on viscoelastic constitutive behavior 3D-printed discontinuously carbon fiber-reinforced open-cell foams. A new model is developed and implemented as a VUMAT in ABAQUS. Through uniaxial compression experiments (0.1–500 mm/min) computational analyses Kelvin foam structures with 1–64 cells, three critical findings emerge: The Young’s modulus yield stress exhibit pronounced dependence, increasing by 64.2–142.1% 58.0–104.8%, respectively,...
To address the challenges associated with direct deuteration of quinoline, a novel synthetic strategy utilizing quinoline-N-oxides as starting materials has been developed. This approach enables efficient multi-deuteration quinoline-N-oxides...
Silver-catalyzed deuteration of nitroaromatics has been achieved using D2O as the deuterium source. Distinct from well-established directing group-guided hydrogen-isotope exchange, this protocol showed an interesting pattern, where considerable accumulation was observed around aromatic rings. Controlling experiments suggested that initiated by a silver-promoted C–H activation. Therefore, tentative two-stage mechanism involving aryl-silver species proposed to explain on meta- and para-positions.
The filament winding process is a competitive performing technology for nuclear fuel cladding tubes due to its high automation. study of the yarn path on mandrel surface vital design and produce tube with desired mechanical properties, reducing manufacturing time costs. geodesic semi-geodesic trajectories are used create 3D in this paper. A optimization method based principle minimum potential energy proposed simulate overlap effect accord real process. finite element (FE) mesh has been...
An efficient method has been developed for the synthesis of α-deuterated α-amino esters via hydrogen isotope exchange in D2O with 2-hydroxynicotinaldehyde as a catalyst under mild conditions. This methodology exhibits wide range substrate scopes, remarkable functional group tolerance, and affording desired products good yields excellent deuterium incorporation. Notably, ortho-hydroxyl pyridine ring play crucial role catalytic activity, which not only stabilizes carbon-anion intermediates but...
To efficiently establish a finite element model that is highly compatible with the intricate microstructure of foam materials, this study carries out simulation and experimental investigations into open cell foams explores their compression behavior assuming isotropy. Using an in-house algorithm, we optimize traditional power diagram model, which widely used in simulation. Specifically, parameterized geometric developed based on centroidal capacity constrained (CCCPD), accurately reflects...
The fifth ring of rauvomines can be annulated<italic>via</italic>a Mukaiyama-Aldol reaction as a new strategy for sarpagine scaffold construction.
A generalized multiscale (micro-macro) finite element (FE) model for SiC-fiber reinforced SiC-matrix ceramic (SiC f /SiC) nuclear fuel claddings is established. In the macro level, solid mesh of braided preform, which can be tailored by machine settings (braid angle, yarn width, and so on), generated based on braiding process simulation using dynamic FE-solver, hiring contact constraints. The matrix are integrated embedded region constraint, with meshing difficulties avoided. micro-UD model,...
Using D2O as a deuterium source, method for the deuteration of intra- and extra-cyclic methylene has been developed cyclic ethers with moderate yield excellent incorporation. This transformation features superb functional group tolerance in wide range alkynols. Notably, critical factor to achieve high incorporation is determined by hydrogen isotope exchange reaction an unstable oxonium ion. novel methodology provides efficient concise synthetic route number valuable deuterated that are often...
Abstract Silicon carbide fiber reinforced silicon matrix (SiC f /SiC) composite is the key cladding material of nuclear fuel, which determines safety and reliability fuel storage transportation. The replacement its transportation scenario needs to be completed by manipulator, but application SiC /SiC wear, fracture, leakage in snatching process brittle-flexible-rigid contact irradiation environment has been seriously restricted due unclear understanding damage mechanism. Therefore, effects...
We report an acid-catalyzed formal cycloaddition and dehydrative substitution reaction of tertiary propargylic alcohols heteroareneboronic acids. The properties the substituents on alkynyl moiety determines regioselectivity reaction, which could selectively construct fused heterocycles, tetrasubstituted allenes, or 1,3-dienes. This proceeds efficiently with a wide array substrate scope in up to 89% yield. A significant advantage this protocol is transition-metal-free mild conditions needed.
In 3D laser scanning technology, it is very important for targets to the point cloud registration. Because of difference noise, target types and materials, difficult extent different extract centre, even centre could not be extracted, which affects eventually registration its accuracy. This requires job must select rightly arrange legitimately in scanning. The paper set sampling intervals, scanned standard target, self-made material extracted coordinates. Taking total station surveying data...
In this work, the effect of temperature on interfaces with viscoelastic behavior was investigated using experimental and theoretical means. particular, rubber/woven fabrics thickness 0.5 mm were subjected to self-designed shear tests at temperatures ranging from 263.15 383.15 K. Derived interface cyclic regeneration observed through tests. Subsequently, a bi-linear cohesive zone model (CZM) used describe test data. A novel image processing algorithm developed analyze damaged morphology...