Results 21 to 30 of about 2,535 (249)
Electrochemical Discharge Drilling of Inclined Micro Holes with Step Feeding Method
Film cooling holes are distributed mainly on the surface of turbine blades, with center lines at angles to the tangential direction. These “inclined micro holes” (IMHs) are difficult to machine because of their extremely small diameters, the challenge of
Hang Yusen +3 more
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Microstructure Effects of the Electrical Discharge Machining Drill on Aerospace Super Alloys
This paper presents an analysis of the parent material damage and electrode wear of a handheld electrical discharge machining (EDM) drill. The motivation of this study is to investigate the material effects of EDM drilling on aerospace alloys at a ...
Garner Copher +6 more
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Investigating the Effect of Electrical Discharge Process Input Parameters on Mechanical Properties of Aluminum Surface [PDF]
One of the important parameters in electrical discharge machining is the presence of micro cracks on the workpiece surface (recast layer). Therefore, the aim of this study was to investigate the possibility of increasing the mechanical properties of ...
Hadi Eivazi bagheri +3 more
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Optimization of Environment-friendly Electrolytic Polishing of Nitinol Stent
Increasing number of patients with cardiovascular diseases continuously expands the market demand for stents. An environmentally friendly and nontoxic electrolytic polishing solution for stents is proposed to improve the surface quality of the laser ...
Yongqi Wang +5 more
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Investigation of Recast Layer of Non-Conductive Ceramic due to Micro-EDM [PDF]
This paper presents the investigation of minimum recast layer of zirconium oxide (ZrO2) due to micro-EDM using EDM-3 synthetic oil as dielectric fluid and tungsten as the tool electrode with control parameters of rotational speed and gap voltage. The investigation was performed using multi-process micro machine tools DT 110.
Abdul Rahman Mohamed +2 more
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Study on Recast Layer Thickness of Microstructures Machined in micro-EDM with Different Electrodes [PDF]
Abstract Functional-surface microstructures are widely used in industrial practice. During the fabrication of microstructures in micro-electrical discharge machining (micro-EDM), the thermal and physical characteristics of both workpieces and electrode materials at room temperature and high temperatures have an important influence on surface ...
Shenggui Chen +8 more
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Effect of Graphite Electrode to Surface’s Characteristic of EDM
Electrical discharge machining process (EDM) is a process for removing material by the thermal of electrical discharge. Some of the melted and all of the evaporated material is then quenched and flushed away by dielectric liquid and the remaining melt ...
Muttamara Apiwat +3 more
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Surface integrity as one of the main outcomes of hybrid machining process has dominant effect on the life time of engineering material. In this work, surface integrity of the AISI D2 steel grooves produced by electrical discharge turning (EDT) process ...
Reza Bagherian Azhiri +2 more
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High‐Quality Femtosecond Laser Surface Micro/Nano‐Structuring Assisted by A Thin Frost Layer
Femtosecond laser ablation has been demonstrated to be a versatile tool to produce micro/nanoscale features with high precision and accuracy. However, the use of high laser fluence to increase the ablation efficiency usually results in unwanted effects ...
Wenhai Gao +11 more
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Improving fatigue properties of engineering alloys using conventional laser shock peening (LSP) with protective coating frequently causes surface grain subdivision, which is undesirable for single crystal (SX) superalloys. Herein, an alternative approach,
Xiaofeng Dang +6 more
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