MICRO-EDD OF INCONEL 800 USING ELECTROMAGNETIC FIELD

IF 1.2 4区材料科学 Q4 CHEMISTRY, PHYSICAL Surface Review and Letters Pub Date : 2024-03-23 DOI:10.1142/s0218625x24500902

P. MUKHOPADHYAY, D. BISWAS, B. R. SARKAR, B. DOLOI, B. BHATTACHARYYA

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Abstract

Micro-electro-discharge drilling ( $μ$ EDD) is a type of non-traditional machining process used for drilling micro-holes of desired dimensions with a high aspect ratio. But, there are no such research works that could have explained the desired accurate circular shape of micro-holes. The need for a more advanced hybrid machining process to improve the overall efficiency in terms of mainly desired circular shape and radial overcut is evolved. In this research work, an electromagnetic field force-assisted micro-EDM process has been carried out on Inconel 800 with a copper tool of 450 $μ$ m. Experimental results showed that measured metal removal rate and tool wear rate decreased for ascending values of magnetic flux density, peak current and gap voltage, whereas circularity increases linearly with an increase in magnetic flux density and also the effects of magnetic field on circularity of micro-holes on Inconel 800 are more predominant than other parameters.

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利用电磁场对 inconel 800 进行微切割

微放电钻孔（μEDD）是一种非传统加工工艺，用于钻出高纵横比、所需尺寸的微孔。但是，目前还没有此类研究成果可以解释微孔所需的精确圆形形状。因此，需要一种更先进的混合加工工艺，以提高主要是所需圆形和径向过切的整体效率。在这项研究工作中，使用 450μm 的铜制刀具对 Inconel 800 进行了电磁场力辅助微电火花加工。实验结果表明，随着磁通密度、峰值电流和间隙电压值的增大，金属去除率和刀具磨损率均有所下降，而圆度则随着磁通密度的增大呈线性增长，同时磁场对 Inconel 800 上微孔圆度的影响也比其他参数更为显著。

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来源期刊

Surface Review and Letters 工程技术-物理：凝聚态物理

CiteScore

2.20

自引率

9.10%

发文量

139

审稿时长

4.2 months

期刊介绍： This international journal is devoted to the elucidation of properties and processes that occur at the boundaries of materials. The scope of the journal covers a broad range of topics in experimental and theoretical studies of surfaces and interfaces. Both the physical and chemical properties are covered. The journal also places emphasis on emerging areas of cross-disciplinary research where new phenomena occur due to the presence of a surface or an interface. Representative areas include surface and interface structures; their electronic, magnetic and optical properties; dynamics and energetics; chemical reactions at surfaces; phase transitions, reconstruction, roughening and melting; defects, nucleation and growth; and new surface and interface characterization techniques.