Xianyin Duan
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View article: Research Progress on Microstructure, Mechanical Properties, and Strengthening Mechanisms of In Situ-Synthesized Ceramic-Reinforced Titanium Matrix Composite Coatings via Laser Cladding
Research Progress on Microstructure, Mechanical Properties, and Strengthening Mechanisms of In Situ-Synthesized Ceramic-Reinforced Titanium Matrix Composite Coatings via Laser Cladding Open
The laser cladding (LC) of titanium matrix composite coatings (TMCCs) on titanium components not only effectively enhances the wear resistance, fatigue resistance, corrosion resistance, and biocompatibility of titanium and its alloys, but …
View article: Cutting Force and State Identification in High-Speed Milling: a Semi-Analytical Multi-Dimensional Approach
Cutting Force and State Identification in High-Speed Milling: a Semi-Analytical Multi-Dimensional Approach Open
High-speed milling (HSM) is advantageous for machining high-quality complex-structure surface components with various materials. Identifying and estimating cutting force signals for characterizing HSM is of high significance. However, cons…
View article: Improved Grain Boundary Reconstruction Method Based on Channel Attention Mechanism
Improved Grain Boundary Reconstruction Method Based on Channel Attention Mechanism Open
The grain size of metal materials has a significant impact on their macroscopic properties. However, original metallographic images often suffer from issues such as substantial noise, missing grain boundaries, low contrast, and blurred edg…
View article: Relationship between energy efficiency and surface morphologies in micro-milling of SLM Inconel 718
Relationship between energy efficiency and surface morphologies in micro-milling of SLM Inconel 718 Open
Selective laser melting (SLM) offers the advantages of a short production cycle and high material utilization in manufacturing components with complex geometric features. It is extensively utilized in aerospace, medical, and energy fields.…
View article: A Novel Training Path to Promote the Ability of Mechanical Engineering Graduates to Practice and Innovate Using New Information Technologies
A Novel Training Path to Promote the Ability of Mechanical Engineering Graduates to Practice and Innovate Using New Information Technologies Open
In the context of the emerging era of smart manufacturing, the concept of sustainability is gaining substantial and widespread attention. Information technology has emerged as a potent tool for manufacturing companies, facilitating their t…
View article: Influence of tool flank wear with considering tool edge radius on instantaneous uncut chip thickness and cutting force in micro-end milling
Influence of tool flank wear with considering tool edge radius on instantaneous uncut chip thickness and cutting force in micro-end milling Open
Accurate theoretical analysis and modeling of instantaneous uncut chip thickness (IUCT) play a crucial role in the cutting force prediction of the micro-milling process. Tool wear and tool runout have a significant influence on the IUCT an…
View article: Assessment and driving factor of housing vacancies in Shandong Peninsula urban agglomeration based on multi-source remote sensing data
Assessment and driving factor of housing vacancies in Shandong Peninsula urban agglomeration based on multi-source remote sensing data Open
View article: Formation mechanism of pore defects and surface ripples under different process parameters via laser powder bed fusion by numerical simulation and experimental verification
Formation mechanism of pore defects and surface ripples under different process parameters via laser powder bed fusion by numerical simulation and experimental verification Open
The formation mechanism of the pore defects and the surface ripples takes an crucial position in the quality control of laser powder bed fusion process. This paper developed the melt pool evolution in LPBF process, and revealed the effects…
View article: Reform of the Training Program of Intelligent Manufacturing Engineering of Universities in the Steel Industry
Reform of the Training Program of Intelligent Manufacturing Engineering of Universities in the Steel Industry Open
To meet the demand of talents in the rapid and sustainable development of the steel manufacturing industry and the needs of the local development of green and intelligent steel technology, this paper presented a reformed training program o…
View article: Assessment and Driving Factor of Housing Vacancies in Shandong Peninsula Urban Agglomeration Based on Multi-Source Remote Sensing Data
Assessment and Driving Factor of Housing Vacancies in Shandong Peninsula Urban Agglomeration Based on Multi-Source Remote Sensing Data Open
View article: Melt Pool and Spatter Monitoring in Selective Laser Melting Forming Process Based on Target Detection
Melt Pool and Spatter Monitoring in Selective Laser Melting Forming Process Based on Target Detection Open
摘要： 在选区激光熔融成形过程中,飞溅与熔池包含了能够体现加工质量的重要特征信息,从成形过程采集到的熔池图像中,获得这些信息,实现选区激光熔融的过程监测是近年来研究的重点之一。为了更加精确且有效地从图像中提取熔池和飞溅的信息,提出了一种基于YOLOv5目标检测模型,实现了对成形过程图像中飞溅与熔池的实时定位与捕获。首先,以YOLOv5s目标检测网络为基础,调整骨干网络的深度与宽度,修改检测头的数量。之后,引入自校正卷积与CBAM注意力机制模块,设计了新的特征整合结构,通过上…
View article: Generic Cutting Force Modeling with Comprehensively Considering Tool Edge Radius, Tool Flank Wear and Tool Runout in Micro-End Milling
Generic Cutting Force Modeling with Comprehensively Considering Tool Edge Radius, Tool Flank Wear and Tool Runout in Micro-End Milling Open
Accurate cutting force prediction is crucial in improving machining precision and surface quality in the micro-milling process, in which tool wear and runout are essential factors. A generic analytic cutting force model considering the eff…
View article: Cutting force prediction considering force-deflection coupling in five-axis milling with fillet-end cutter
Cutting force prediction considering force-deflection coupling in five-axis milling with fillet-end cutter Open
With the increasing demand for higher quality and performance of equipment and assembly in aerospace, shipbuilding, medical and other fields, the machining accuracy of parts is facing higher requirements. It is particularly important to pr…
View article: The Thermo-Mechanical Coupling Effect in Selective Laser Melting of Aluminum Alloy Powder
The Thermo-Mechanical Coupling Effect in Selective Laser Melting of Aluminum Alloy Powder Open
In the selective laser melting process, metal powder melted by the laser heat source generates large instantaneous energy, resulting in transient high temperature and complex stress distribution. Different temperature gradients and anisotr…
View article: Feature Matrix Based Complex Feature Hierarchical Recognition for Blank Model of Large Cabin Component
Feature Matrix Based Complex Feature Hierarchical Recognition for Blank Model of Large Cabin Component Open
摘要: 大型舱体类构件是大飞机、火箭等航空航天飞行器型号的重要部件,具有众多复杂内部相交特征,给其内部特征的准确识别带来极大挑战,毛坯模型内部特征的有效识别是实现加工余量确定、切削参数优化及刀具路径规划的重要基础。提出了一种基于特征矩阵的大型复杂构件毛坯模型相交特征分层识别算法,实现基于毛坯模型几何拓扑信息的多层次复杂相交特征识别。首先使用阈值分割法识别和剔除大型复杂构件毛坯模型伪特征及其数据,进行毛坯模型优化。然后构建该优化毛坯模型的属性邻接图,采用分层识别方法对构件的优…
View article: Tool Orientation Planning Based on Kinematic Relation of Five-Axis CNC Machining Tools in Sculptured Surface Machining
Tool Orientation Planning Based on Kinematic Relation of Five-Axis CNC Machining Tools in Sculptured Surface Machining Open
Five-axis machining has been applied in sculptured surface manufacturing more and more widely. Tool orientation planning becomes important for higher machining precision. For this purpose, planning method based on kinematic relation of fiv…
View article: Numerical investigation of Transient Temperature Field on the Selective Laser Melting process with Al6063
Numerical investigation of Transient Temperature Field on the Selective Laser Melting process with Al6063 Open
The finite element simulation of the selective laser melting process with Al6063 metal powder was carried out by using ABAQUS. The loading of the laser Gaussian moving heat source is realized, and a model of the three-dimensional transient…
View article: Semi-Analytical Modelling of Synthetic Static Stiffness for Machining System of Five Axis Machine Tool
Semi-Analytical Modelling of Synthetic Static Stiffness for Machining System of Five Axis Machine Tool Open
A static stiffness model of the machine tool end considering the whole kinematic chain of the machining system is proposed. The whole kinematic chain is divided into the cutter subsystem and the handle-spindle-motion axes subsystem. The tw…
View article: Tool orientation planning for minimizing surface error in five-axis machining of copper alloy
Tool orientation planning for minimizing surface error in five-axis machining of copper alloy Open
Five-axis machining is increasingly applied in manufacturing complicated parts, such as blade of numerous-blade propeller rotor and compressor impeller, benefit from providing enough accessible space of the tool orientation. Then it become…
View article: Study of the Effect of Tool Orientation on Surface Roughness in Five-Axis Milling of 300M Steel
Study of the Effect of Tool Orientation on Surface Roughness in Five-Axis Milling of 300M Steel Open
The tool position deviation will affect the surface quality, especially for ultra high strength and high hardness materials, such as aircraft landing gear, engine impeller of high strength and high hardness of the hard machining aviation p…
View article: Adaptive Sampling based 3D Profile Measuring Method for Free-Form Surface
Adaptive Sampling based 3D Profile Measuring Method for Free-Form Surface Open
In order to solve the problem of adaptability and scanning efficiency of the current surface profile detection device, a high precision and high efficiency detection approach is proposed for surface contour of free-form surface parts based…