Yi-feng Xiong

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• Doctor of Engineering
• Associate Professor at Northwestern Polytechnical University

Ultrasonic vibration–assisted machining represents a sophisticated manufacturing technique that offers several significant advantages, such as diminished tool wear and reduced cutting forces when processing hard-to-machine materials. Recent studies have extensively explored the generation and mechanisms of cutting forces in ultrasonic vibration–ass...

Automated fiber placement (AFP) is an advanced manufacturing technology for large‐scale carbon fiber reinforced plastics (CFRP) composite parts. During AFP processes, unidirectional CFRP prepreg tapes are laid up on the mold to become laminates by a robotic arm under heating and pressure conditions. However, the efficient monitoring of lay‐up defec...

During preforming of carbon fabric prepregs, multiple layers of composites will be deformed into parts with 3D geometry. Large relative sliding between different prepreg layers, especially when these layers have various initial stacking orientations, will significantly influence deformation of the prepregs and reorientation of the reinforcement yar...

The Aqueous environment impairs the mechanical performance of carbon fiber‐reinforced polymers (CFRPs) and decreases the durability of engineering structures made of CFRPs primarily by degrading the resin matrix. Hence, the objective of this study is to investigate and accurately predict the influence of hydrothermal aging on the epoxy and its carb...

Micro-CT scanning is an advanced technique to reconstruct inner architectures for RVEs of fabric composites. Currently, however, there exist few automatic approaches to separate closely packed yarns in the micro-CT images with economical resolution that can only identify yarns but not individual fibers. To tackle this issue, an innovative method ha...

In this paper, an innovative approach was presented to manufacture woven carbon fabric cathodes via high-pressure spray to coat LiFePO4 (LFP), acetylene black (AB) and polyvinylidene fluoride (PVDF) onto carbon fibers. The fabrics were desized to improve conductivity prior to coating. Fourier-transform infrared spectroscopy (FTIR) and scanning elec...

Silicon carbide fiber-reinforced silicon carbide matrix composites have attracted attention due to superior properties, such as low density, high strength, and high-temperature resistance. However, it often faces severe tool wear during cutting, with the fibers and matrix material being of high hardness and brittleness, which has an inevitable effe...

As a new advanced material, silicon carbon fiber-reinforced silicon carbon ceramic matrix composite has attracted increasing attention and would have a promising application in prospect owing to its superior properties such as low density, high strength, and high-temperature resistance. However, there is still no such standard criterion for machine...

Ultrasonic vibration-assisted drilling (UVAD) has recently been successfully applied in the drilling of carbon fiber reinforced polymer/plastic (CFRP) due to its high reliability. Multiple defects have been observed in the CFRP drilling process which negatively affects the quality of the hole. The carbon fiber/bismaleimide (BMI) composites is an ad...

As a new method developed for machining difficult-to-cut materials, ultrasonic vibration–assisted machining technology not only could be effective in reducing cutting force and temperature but also could be significant in obtaining residual compressive stress. Especially, residual compressive stress is essential to realize anti-fatigue manufacturin...

Film cooling hole structures significantly influence the mechanical behavior of a single crystal turbine blade. This study investigates the tensile behavior of nickel-based single crystal plate specimens with three different structure holes, including straight, inclined, and diffusive holes, by in-situ tensile tests and crystal plasticity simulatio...

SiCf/SiC CMC has a broad range of applications, especially under extreme conditions, due to its excellent properties including high strength and stiffness, high wear and temperature resistance. However, these properties also bring new challenges to manufacturing. Traditional machining methods and ordinary cutting tools failed to fabricate high-qual...

As an advanced material, ceramic matrix composites have attracted attention due to their superior properties, such as low density, high strength, and high-temperature resistance. However, it is also a typical difficult-to-cut material with the reinforcement and matrix material being of high hardness and brittleness, which makes the manufacturing of...

The particle reinforced metal matrix composites have drawn attractive attentions in modern industries due to their excellent properties such as low density, improved strength, and wear resistance. However, due to the existence of hard ceramic particles, it shows poor machinability such as large cutting force and unstable machined surface quality us...

DD6 nickel-based superalloy is a typical refractory material, and has important applications in the aviation industry. Ultrasonic-assisted drilling can greatly enhance the processability of refractory materials. The presence of burrs will affect assembly, and the extra process to remove burrs will reduce production efficiency and increase productio...

In recent years, as a new method developed for machining difficult-to-cut materials, ultrasonic vibration-assisted machining technology has been attracting more and more attentions due to its superior properties in reducing cutting temperature. However, analytical models revealing the mechanism and predicting the cutting temperature for ultrasonic...

As a typical refractory material, the DD6 nickel-based single-crystal superalloy has important applications in the aviation industry. Ultrasonic-assisted drilling is an advanced machining method that significantly improves machining of refractory materials. The drilling thrust force influences the hole surface quality, burr height, and bit wear. Th...

Nickel-based superalloy DD6 is characterized by high strength, high temperature resistance, which makes it an ideal material for manufacturing aircraft engines. Ultrasonic assisted drilling is an advanced machining method, which greatly improves the machining performance of difficult-to-machine materials. The drilling thrust force has an important...

The particle reinforced metal matrix composites (PRMMCs) are a new kind promising materials with attracting attentions due to its superior properties such as improved strength, low density, excellent low-temperature performance and increased wear resistance. However, it was a difficult-to-cut material due to the existence of hard ceramic particles....

Ceramic matrix composites have been a promising advanced material due to its superior properties such as high strength and high temperature resistance. However, due to the high hardness and brittleness of reinforcement and matrix, the machining of this new material still needs to be solved. In this study, investigation of tool performance was condu...

The high processing efficiency and quality are constant pursuits for modern manufacturing industry. This paper investigated the ablation efficiency and quality of ultrashort pulsed laser ablation of DD6 single crystal alloy based on experiments and theoretical analysis. The experimental results showed that the ablation rate increases with the incre...

The surface roughness is one of the important parameters of surface quality evaluation. In the field of aerospace and industry, many attempts have been made to reduce the roughness of machined surface and improve the performance of parts. An advanced manufacture technique, ultrasonic vibration–assisted milling, can reduce the surface roughness, whi...

For higher efficiency and precision manufacturing, more and more attentions are focused on the surface roughness and residual stress of machined parts to obtain a good fatigue life. At present, the in-situ TiB2/7050Al metal matrix composites are widely researched due to its attractive properties such as low density, good wear resistance and improve...

Ultrasonic vibration-assisted milling has been widely applied in machining the difficult-to-cut materials owing to the remarkable improvements in reducing the cutting force. However, analytical models to reveal the mechanism and predict the cutting force of ultrasonic vibration-assisted milling metal matrix composites is still needed to be develope...

High-speed cutting technology has the characteristics of high material removal rate and excellent processing quality. To investigate the surface quality of high-speed cutting Ti6Al4V alloy, the orthogonal cutting experiment is the cutting device based on improved Split-Hopkinson pressure bar carried out with a cutting speed of about 7–16 m/s. Surfa...

Due to the superior properties such as low density, improved strength and wear resistance, the in-situ TiB2/7050Al MMCs have become a series of promising aeronautical materials. However, researches of manufacturing performance and fatigue behavior on machined in-situ TiB2/7050 Al MMCs have not been widely carried out. In this study, the fatigue beh...

The in-situ TiB2 particle reinforced aluminum matrix composites are materials that are difficult to machine, owing to hard ceramic particles in the matrix. In the milling process, the polycrystalline diamond (PCD) tools are used for machining these materials instead of carbide cutting tools, which significantly increase the machining cost. In this...

The geometric precision and surface quality of film cooling holes has significant influence on the cooling efficiency and fatigue life of turbine blades. In this paper, the investigation about fabrication process of film cooling holes on the single crystal superalloy DD6 plate specimen by ultrafast laser is carried out. By comparing three different...

The current state of surface roughness focuses on the 2D roughness. However, there are shortcomings in evaluating surface quality of particle reinforced metal matrix composites using 2D roughness due to the fact that the measuring direction has a vital impact on the 2D roughness value. It is therefore of great importance and significance to develop...

For machined parts, the surface roughness and profile would have a significant impact on the fatigue life and fracture mechanism. At present, a lot of research have been carried out on the cutting mechanism, modeling and machining performance of particle reinforced Al-based metal matrix composites. However, the study of fatigue life and fracture me...

The thermo–mechanical behavior of in situ TiB2/7050 Al metal matrix composites is investigated by quasi-static and Split Hopkinson Pressure Bar compression tests over a wide range of temperature (20~30 °C) and strain rate (0.001~5000 s−1). Johnson–Cook and Khan–Liu constitutive models determined from curve fitting and constrained optimization are u...

In situ TiB2/7050 Al matrix composite is a new kind of particle reinforced metal matrix composite. With in situ synthesis method, a better adhesion at interfaces is achieved and hence improves mechanical properties. However, due to the presence of hard TiB2 ceramic particles, the tool wear problem is severer while machining TiB2/7050 Al composites...

During metal cutting, it is well known that the cutting temperature has great influence on the machined surface integrity, especially on the residual stress and machining defects. At present, a lot of analytical modeling work has been done on the cutting temperature of tool, chips and workpiece machined by the side cutting edge during end milling p...

In situ TiB2/7050 Al metal matrix composites are processed by mixed-salt reaction method to improve the interfacial reactions and enhance the material properties. However, the lack of research on its machinability limits its wide application in the industry. In the present study, the effects of rake angle and feed rate on the surface quality while...

At present, analytical models to predict cutting temperature of metal matrix composites do not exist. The objective of this study is to establish an analytical temperature model of workpiece machined by the bottom cutting edge during end milling in-situ TiB2/7050Al metal matrix composites. In this model, the moving heat source method was applied wi...

The ex situ SiCp/Al composites have been widely and deeply researched so far. However, few papers have been reported on the machinability of in situ TiB2/7050Al composites, whose material property is superior. Due to the rapid tool wear, the TiAlN-coated tool was used in studying the machinability of in situ TiB2/7050Al composites. The wear mechani...

Interior residual stresses induced by quenching may cause distortion during subsequent machining processes. Hence, various strategies have been employed to relieve the interior residual stress, such as stretching, post treatment, and other techniques. In this study, the stress distribution inside TiB2/7050 Al composite extrusions was investigated a...

The in-situ TiB₂/7050Al composite is a new kind of Al-based metal matrix composite (MMC) with super properties, such as low density, improved strength, and wear resistance. This paper, for a deep insight into its cutting performance, involves a study of the chip formation process and finite element simulation during orthogonal cutting in-situ TiB₂/...

The in-situ TiB2/7050Al composites is a new kind of particle reinforced metal matrix composites (PRMMCs) with superior properties such as low density, improved strength and increased wear resistance. At present, the study of PRMMCs is focused on the ex-situ SiCp/Al composites, which has been researched from material preparation process to machinabi...

Machining induced residual stresses have an important effect on the surface integrity. Effects of various factors on the distribution of residual stress profiles induced by different machining processes have been investigated by many researchers. However, the initial residual, as one of the important factor that affect the residual stress profile,...

In situ TiB2 particle-reinforced 7050Al alloy matrix composites are a new category of particulate metal matrix composites with improved mechanical and physical properties. At present, the study of machining in situ TiB2/Al composite is limited and no specific study has been presented on cutting force. Based on previous work, experimental investigat...

Rolling cavity is the key of rolling allowance free blade, Forward slip occurs in rolling process of high-pressure compressor blade, which cause a deviation of formed blade along rolling direction, so forward slip compensation need to be considered in designing mold cavity to improve the stacking height precision of blade. Contraposing forward slip...

In situ TiB2 particle-reinforced aluminum matrix composite (in situ TiB2/Al composites) is a new kind of metal matrix composite. With in situ synthesis method, a better adhesion at interfaces is achieved and hence improves mechanical properties. However, few literature focused on its grindability and surface integrity which limited its widespread u...

In the process of roll forming, the speed of component is faster than that of the roller at the end of rolling deformation zone, namely rolling forward slip phenomenon, which affects component forming precision. For the forward slip problem in the process of roll forming allowance free blade, based on the analysis of the blade roll forming process,...

In situ TiB2 particle-reinforced Al matrix composite is a new kind of metal matrix composite (MMC). With in situ synthesis method, a better adhesion at interfaces is achieved and hence improves mechanical properties. Due to the presence of hard ceramic particles, the tool wear is seriously compared with traditional metal while cutting in situ TiB2/...