Search Results - "Ma, Zongyu"
-
1
Asymmetric deformation and failure behavior of roadway subjected to different principal stress based on biaxial tests
Published in Tunnelling and underground space technology (01-01-2025)“…[Display omitted] •The angle between stress and roadway has a significant impact on the failure modes.•By using DIC and AE monitoring, it was found that under…”
Get full text
Journal Article -
2
Non-orthogonal Failure Behavior of Roadway Surrounding Rock Subjected to Deep Complicated Stress
Published in Rock mechanics and rock engineering (01-09-2023)“…Based on the characteristics of real stress distribution in coal mining, the evolution law of plastic zone shape and spatial position were investigated. The…”
Get full text
Journal Article -
3
Sodium-assisted MoS2 for boosting CO2 hydrogenation to methanol: The crucial role of sodium in defect evolution and modification
Published in Journal of catalysis (01-08-2024)“…[Display omitted] •NaCl nanocrystals were used as a template for the synthesis of few layer MoS2.•Sodium is able to promote the formation of in-plane sulfur…”
Get full text
Journal Article -
4
Research on Energy-Saving Control Strategy of Loader Based on Intelligent Identification of Working Stages
Published in Journal of construction engineering and management (01-07-2024)“…AbstractAn energy-saving control strategy for wheel loaders is proposed in this paper to address the issue of high energy consumption during their operation…”
Get full text
Journal Article -
5
Evolution of melt pool motion and temperature field based on powder scale modeling during laser directed energy deposition process
Published in Applied thermal engineering (15-04-2024)“…•A powder-scale high precision model is developed to depict the DED-LB process.•The model prediction results are consistent with the experimental values.•The…”
Get full text
Journal Article -
6
Additive manufacturing of functional gradient materials: A review of research progress and challenges
Published in Journal of alloys and compounds (15-01-2024)“…Functional gradient materials (FGMs) are composite materials made up of two or more materials, with components or structures that gradually change, resulting…”
Get full text
Journal Article -
7
Investigation on sandstone wave velocity variation and the stress response of pore structure
Published in Bulletin of engineering geology and the environment (01-06-2022)“…This study considered three different sandstones from the surrounding rock in the underground reservoir of the Ningtiaota coal mine in northern Shaanxi…”
Get full text
Journal Article -
8
Effect of CNT content on the microstructure and friction characteristics of DED-fabricated CNTs-Ni60/WC coatings
Published in Surface & coatings technology (25-11-2023)“…The microstructure and tribological behavior of CNTs-reinforced Ni60/WC composites fabricated by directed energy deposition (DED) are studied. The effect of…”
Get full text
Journal Article -
9
Impact Absorbing and Compensation for Heavy Object Catching With an Unmanned Aerial Manipulator
Published in IEEE robotics and automation letters (01-04-2024)“…Maintaining stability after catching an object is essential for the flight safety of unmanned aerial manipulators (UAMs). Current research on UAM catching…”
Get full text
Journal Article -
10
Effect of different powers on microstructure evolution and corrosion behavior of 5SiC-Ni60 coatings by directed energy deposition
Published in Optics and laser technology (01-01-2025)“…[Display omitted] •The effect of power variation on microstructure, phase-microhardness correlation, and corrosion resistance mechanisms.•The mapping…”
Get full text
Journal Article -
11
Mesoscopic characteristics, microstructure evolution, friction mechanisms, and corrosion behavior of Ni60-SiCp coatings fabricated by laser-based directed energy deposition
Published in Tribology international (01-10-2024)“…The influence of varying SiCp on the mesoscopic characteristics, microstructural evolution, microhardness, frictional mechanisms, and corrosion resistance…”
Get full text
Journal Article -
12
Investigation of molten pool geometry and flow field based on powder-scale modeling in laser directed energy deposition
Published in International journal of advanced manufacturing technology (01-10-2024)“…Laser directed energy deposition (DED-LB) technology is currently facing challenges in controlling geometry accuracy of metal components. There is an urgent…”
Get full text
Journal Article -
13
Real-time closed-loop control of molten pool transient area in direct laser deposition via PID algorithm with enhanced robustness
Published in International journal of advanced manufacturing technology (01-02-2024)“…In the direct laser deposition (DLD) process, it is common to employ constant processing parameters. The utilization of the constant parameters may lead to…”
Get full text
Journal Article -
14
A physical simulation-machine learning model for optimal process schemes in laser-based directed energy deposition process
Published in Optics and laser technology (01-10-2024)“…•A powder-scale high precision multi-physics model is developed to depict the DED-LB process.•The single-track Inconel 718 alloy DED-LB experiments are used to…”
Get full text
Journal Article -
15
-
16
An approach to determine hydraulic excavator working point based on comprehensive evaluation model
Published in Measurement : journal of the International Measurement Confederation (30-06-2024)“…•Proposes a multi-stage determination method for excavator working points that considers engine fuel consumption, hydraulic pump efficiency, and load…”
Get full text
Journal Article -
17
Optimization of density and surface morphology of SS 316L/IN718 functionally graded thin-walled structures using hybrid prediction-multi-objective optimization method
Published in Journal of manufacturing processes (30-06-2024)“…During the process of using directed energy deposition (DED) to prepare functionally graded material (FGM), there is a coupling problem involving multiple…”
Get full text
Journal Article -
18
Structure and properties study of in-situ TiC reinforced 316L materials prepared by laser melting deposition based on Ti3SiC2 decomposition
Published in Ceramics international (15-11-2024)“…As the service performance requirements for metal components in diverse high-tech industries continue to escalate, a myriad of specialized operational…”
Get full text
Journal Article -
19
Separation and cleaning of Leymus chinensis seed threshing material based on gas-solid coupling
Published in International journal of agricultural and biological engineering (01-09-2023)“…The aim of this study was to improve the cleaning performance of the Leymus chinensis seed threshing material separation and cleaning device, and to clarify…”
Get full text
Journal Article -
20
Research and prospect on microstructure and properties of laser additive manufactured parts
Published in International journal of advanced manufacturing technology (2024)“…This paper mainly deals with the current status and development trends of research on the microstructure and properties of additive manufacturing formed parts…”
Get full text
Journal Article