Effect of Laser Power on the Quality of Drilled Micro Hole Using Cu50Zr50 Amorphous Alloys Foils

Wang, Chuanjie; Chen, Gang; Luan, Dong; Zhang, Peng

doi:10.3390/mi5041061

Cited by 10 publications

(6 citation statements)

References 28 publications

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“…Quintana et al [7] fabricated 47 mm diameter of microholes on Ni 78 B 14 Si 8 with 40 μm thickness by microsecond and picosecond laser processing. Wang et al [8,9] studied the microtribological behavior of Cu 50 Zr 50 amorphous alloy foil and the effect of process parameters on the microhole quality. The results showed that laser drilling technology cannot change the amorphous structure of amorphous alloys, and no cracks were observed on the surface.…”

Section: Introductionmentioning

confidence: 99%

Microhole Forming and Creep Behavior of Fe‐Based Nanocrystalline Alloys under Laser Dynamic Impact

et al. 2020

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Given the difficulty of forming Fe-based nanocrystalline alloys at room temperature, this study uses soft film as a flexible micropunch to realize the formation of microholes in Fe-based nanocrystalline alloy foil under laser impact. The effect of laser energy and soft film thickness on forming accuracy of the workpiece is studied, particularly fracture surface characteristic of the workpiece and the creep behavior of the workpiece. It is found that with increased laser energy, forming accuracy is improved. The fracture surface comprises sliding and fracture regions, and a large number of melt droplets and melt zone are distributed on the surface of the fracture region. This feature indicates that the workpiece exhibits brittle fracture in macroscopic scale and exhibits plastic fracture in the microscopic scale. The creep behavior of the workpiece comprises transient creep and steady state creep. With the extension of creep time, the stress exponent reaches a stable state. With the increase in load, the stress exponent also increases, which shows the obvious maximum load dependence.

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Section: Introductionmentioning

confidence: 99%

Microhole Forming and Creep Behavior of Fe‐Based Nanocrystalline Alloys under Laser Dynamic Impact

et al. 2020

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“…Thus far, there are many common technologies to machine micro holes, such as mechanical drilling, lasers, punching, electrical discharging machining (EDM), etc., but they all have some drawbacks such as machining stress, tool wear, and taper problems [1,2,3,4]. Electrochemical machining, as one of the most promising machining technologies, can be used to machine micro holes [2].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Taper Free Micro-Holes Utilizing a Combined Rotating Helical Electrode and Short Voltage Pulse by ECM

Liu

Niu

et al. 2019

Micromachines

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Fabrication of the injection nozzle micro-hole on the aero engine is a difficult problem in today’s manufacturing industry. In addition to the size requirements, the nozzle micro-hole also requires no burr, no taper and no heat-affected zone. To solve the above problem, an ultra-short voltage pulse and a high-speed rotating helical electrode were used in electrochemical drilling (ECD) process. Firstly, a theoretical model of ECD with ultra-short voltage pulse was established to investigate the effects of many predominant parameters on machining accuracy, and the effect of rotating helical electrode on the gap flow field was analyzed. Secondly, sets of experiments were carried out to investigate the effects of many key parameters on machining accuracy and efficiency. Finally, the optimized parameters were applied to machine micro holes on 500 μm thickness of GH4169 plate, and micro-holes with the diameter of 186 μm with no taper were machined at the feed rate of 1.2 μm/s. It is proved that the proposed ECD process for fabricating micro-holes with no taper has a huge potential and broad application prospects.

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“…[2] Investigated the effects of CO2 laser irradiation on limestone included heavy and light oil of Iran Sarvak formation. They studied the amount of laser beam absorption by this oils for determining thermal fractured during the laser drilling laboratory process [4] investigated experimentally the effect of laser power on the quality of drilled micro holes using Cu50Zr50 amorphous alloys foils. They showed that the taper of drilled holes increased quickly to a stable value with the increase of laser power from 60 to 110 W, then decreased quickly when the laser power became larger than 170 W. [13] studied Cutting of stainless steel with fiber using CO2 laser.…”

Section: Introductionmentioning

confidence: 99%

Theoretical Study of comparative between the speed of penetration and cutting using a laser beam

Mahmood¹

2018

ETJ

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Theoretical Study of comparative between the speed of penetration and cutting using a laser beamAbstract-This research is devoted to study the effect of a laser beam power TEA-CO2 , Nd-YAG laser, and thermal properties of the materials when it is constant once and varying another once with the time on the penetration and cutting speeds. It is concluded that the processes of penetration and cutting by using laser Nd-YAG is the best comparative with using of laser TEA-CO2, penetration speeds when (P = P0, C = C0, and ρ = ρ0) by using laser Nd-YAG greater than penetration speeds by using of laser TEA-CO2 by 15.5 approximately while penetration speeds when (P = P(t), C = C0, and ρ = ρ0) by using laser Nd-YAG greater than penetration speeds by using of laser TEA-CO2 by 8.519 approximately. In addition, the temperature of the evaporation of material plays an important role in the processes of penetration and cutting and whenever temperature of the evaporation of material less the cutting and penetration speeds are greater. (MATLAB 8) program was implemented for all simulation processes are related.

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Effect of Laser Power on the Quality of Drilled Micro Hole Using Cu50Zr50 Amorphous Alloys Foils

Cited by 10 publications

References 28 publications

Microhole Forming and Creep Behavior of Fe‐Based Nanocrystalline Alloys under Laser Dynamic Impact

Microhole Forming and Creep Behavior of Fe‐Based Nanocrystalline Alloys under Laser Dynamic Impact

Fabrication of Taper Free Micro-Holes Utilizing a Combined Rotating Helical Electrode and Short Voltage Pulse by ECM

Theoretical Study of comparative between the speed of penetration and cutting using a laser beam

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