Study on Forming Mechanism of the Recast Layer on the Workpiece Surface during Micro EDM [PDF]
MaterialsIn comparison to conventional EDM, micro EDM distinguishes itself through its brief discharge duration, narrow discharge channel radius, and concentrated energy density. However, there remains a paucity of comprehensive research on the surface formation characteristics in this domain.
Chunmei Wang +4 more
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Recast Layer-Induced Fatigue Degradation in High-Speed EDM Microholes: Experimental Characterization [PDF]
MaterialsHigh-speed electrical discharge machining (EDM) is crucial for drilling aerospace components, but the fatigue effects of its recast layer are still not well understood. This study investigates the fatigue behavior of high-speed EDM-processed specimens using ultrasonic fatigue testing and microscopic analysis. The recast layer showed a 20.4% increase in
Yaou Zhang +5 more
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The Influence of Contour Form Geometric Features and the Number of Cutting Passes on the Surface Quality Characteristics and Critical Points of Cutting Tools Fabricated by Wire Electrical Discharge Machining (WEDM) [PDF]
MicromachinesSince one of the effective methods for producing the form-cutting tools used in the form-turning process involves utilizing a wire cut machine, the effect of the geometric characteristics of the form contour on reducing the negative effects of the recast
Amir Alinaghizadeh +2 more
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Evaluation of the Surface Integrity and Recast Layer in Electrical Discharge Turning of WC-Co Composites [PDF]
MicromachinesTungsten carbide (WC) and its composites are typically associated with high hardness and high wear resistance, posing challenges in conventional machining processes like turning. To address the machining difficulties of WC-Co, electrical discharge turning (EDT) was proposed. The rotational speed in EDT is a key factor influencing the machining results;
Mehdi Soleymani, Mohammadjafar Hadad
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Tribology of EDM Recast Layers Vis-À-Vis TIG Cladding Coatings: An Experimental Investigation [PDF]
MicromachinesTribological performance is critical for the longevity and efficiency of machined components in industries such as aerospace, automotive, and biomedical. This study investigates whether electrical discharge machining recast layers can serve as a cost-effective and time-efficient alternative to conventional tungsten inert gas cladding coatings for ...
Muhammad Adnan +2 more
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Experimental Investigation on Silicon Powder Mixed-EDM of Nimonic-90 Superalloy
Metals, 2021 Powder mixed electrical discharge machining (PM-EDM) is a technological advancement in electrical discharge machining (EDM) processes where fine powder is added to dielectric to improve the machining rate and surface quality.
Aiyeshah Alhodaib +3 more
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Micromachines, 2023 Form-cutting tools are an economical choice for turning parts with defined profiles in mass production. The effects of the form contour of these tools—produced by the wire electrical discharge machining (WEDM) process—on tool quality were investigated in
Amir Alinaghizadeh +2 more
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Recast layers on high speed steel surface after electrical discharge treatment in electrolyte [PDF]
Fracture and Structural Integrity, 2016 In this work are discussed some experimental data about the obtaining of recast layers on the surface of high speed tool steel after electrical discharge treatment in electrolyte.
D. Krastev, V. Paunov, B. Yordanov
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Investigating the Effect of Electrical Discharge Process Input Parameters on Mechanical Properties of Aluminum Surface [PDF]
International Journal of Advanced Design and Manufacturing Technology, 2021 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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Electrochemical Discharge Drilling of Inclined Micro Holes with Step Feeding Method
International Journal of Electrochemical Science, 2020 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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