Study of ductile mode cutting in grooving of tungsten carbide with and without ultrasonic vibration assistance

Liu, K.; Li, X. P.; Rahman, M.; Liu, X. D.

doi:10.1007/s00170-003-1647-5

Cited by 39 publications

(17 citation statements)

References 14 publications

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“…The critical DoC for ductile-brittle transition in machining of WC and glass using the ultrasonic vibration tool was found being much larger than that with the conventional stationary tool, which was increased to about 3.5 and 7 times, respectively [94,95]. A model was developed for brittle materials to predict the d c value for ultrasonic vibration cutting and experimental results well verified the predicted d c value, of which the d c value for DMC of silicon wafers was increased to around 2 times of that obtained without ultrasonic vibration assistance [97].…”

Section: Discussionmentioning

confidence: 82%

“…Some attempts have also been conducted on hybrid machining to help achieve ductile mode cutting [94][95][96][97][98][99][100][101][102]. The critical DoC for ductile-brittle transition in machining of WC and glass using the ultrasonic vibration tool was found being much larger than that with the conventional stationary tool, which was increased to about 3.5 and 7 times, respectively [94,95].…”

Section: Discussionmentioning

confidence: 99%

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A review on ductile mode cutting of brittle materials

2018

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Brittle materials have been widely employed for industrial applications due to their excellent mechanical, optical, physical and chemical properties. But obtaining smooth and damage-free surface on brittle materials by traditional machining methods like grinding, lapping and polishing is very costly and extremely time consuming. Ductile mode cutting is a very promising way to achieve high quality and crack-free surfaces of brittle materials. Thus the study of ductile mode cutting of brittle materials has been attracting more and more efforts. This paper provides an overview of ductile mode cutting of brittle materials including ductile nature and plasticity of brittle materials, cutting mechanism, cutting characteristics, molecular dynamic simulation, critical undeformed chip thickness, brittle-ductile transition, subsurface damage, as well as a detailed discussion of ductile mode cutting enhancement. It is believed that ductile mode cutting of brittle materials could be achieved when both crack-free and no subsurface damage are obtained simultaneously.

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Section: Discussionmentioning

confidence: 82%

Section: Discussionmentioning

confidence: 99%

A review on ductile mode cutting of brittle materials

2018

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“…Moreover, at a depth of cut of 1 lm, the force in the EVA cutting was 17 times lower than that in the conventional cutting in the cutting direction, 14 times lower in the thrust direction. Liu et al [10,119] found that there was a transition from ductile mode to brittle mode in both the conventional cutting and UVA cutting, but the critical depth of cut in UVA cutting was several times larger. In addition, the material removal ratio (the volume of material removal to the volume of the machined groove) in UVA grooving is close to 1, indicating a reduction on ploughing effect by the ultrasonic vibration.…”

Section: Sintered Alloysmentioning

confidence: 98%

Ultrasonic vibration-assisted machining: principle, design and application

Zhang

2015

Adv. Manuf.

140

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Ultrasonic vibration-assisted (UVA) machining is a process which makes use of a micro-scale high frequency vibration applied to a cutting tool to improve the material removal effectiveness. Its principle is to make the tool-workpiece interaction a microscopically non-monotonic process to facilitate chip separation and to reduce machining forces. It can also reduce the deformation zone in a workpiece under machining, thereby improving the surface integrity of a component machined. There are several types of UVA machining processes, differentiated by the directions of the vibrations introduced relative to the cutting direction. Applications of UVA machining to a wide range of workpiece materials have shown that the process can considerably improve machining performance. This paper aims to provide a comprehensive discussion and review about some key aspects of UVA machining such as cutting kinematics and dynamics, effect of workpiece materials and wear of cutting tools, involving a wide range of workpiece materials including metal alloys, ceramics, amorphous and composite materials. Some aspects for further investigation are also outlined at the end.

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“…27,28 This reflects that glass can also show plasticity under certain conditions. The scratch section in simulation is shown in Figure 5.…”

Section: Simulation Experiments Of Glass Scratchingmentioning

confidence: 99%

Dynamics simulation of photonic crystal fiber end face polishing

Zhao

Feng

Fang

et al. 2017

Advances in Mechanical Engineering

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The high quality of polished end face of photonic crystal fiber has a significant effect on coupling efficiency when photonic crystal fiber is used to couple with other optical devices. In order to obtain the smooth surface of the photonic crystal fiber, the end face polishing process of the photonic crystal fiber is analyzed using the finite element method in this article. Because there are many small air holes in the cladding of photonic crystal fiber, it needs better processing technology than that of ordinary fiber. The formation mechanism of cracks and the effects of cutting depth and grit tip radius on the processing results are researched, and this process is simplified as a single grit cutting a single hole wall and the cutting depth of grit with different diameters under certain lapping force is obtained by theoretical analysis. The simulation results show that finite element method can effectively simulate the end face lapping process of photonic crystal fiber, and that in the polishing process of photonic crystal fiber, the edge of hole wall is prone to the collapse area which is distributed along the circumference; cutting force and collapse area increase with the cutting depth and grit tip radius. For no collapse area generation, the maximum cutting depth of this photonic crystal fiber is less than the critical cutting depth of brittle plastic transition of ordinary fiber.

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Study of ductile mode cutting in grooving of tungsten carbide with and without ultrasonic vibration assistance

Cited by 39 publications

References 14 publications

A review on ductile mode cutting of brittle materials

A review on ductile mode cutting of brittle materials

Ultrasonic vibration-assisted machining: principle, design and application

Dynamics simulation of photonic crystal fiber end face polishing

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