坡角和磁场对喷砂电弧加工镍基超合金表面质量的影响

IF 4.2 2区 工程技术 Q2 ENGINEERING, MANUFACTURING Advances in Manufacturing Pub Date : 2024-09-11 DOI:10.1007/s40436-024-00523-y
Lin Gu, Ke-Lin Li, Xiao-Ka Wang, Guo-Jian He
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引用次数: 0

摘要

电弧加工(EAM)是一种加工难切削材料的高效工艺。然而,在这方面对斜面加工的研究还很有限,限制了其在复杂部件上的进一步应用。本研究进行了斜面加工实验,指出随着斜面角度的增大,表面质量会变得不尽人意。对放电条件进行了统计和分析,同时模拟了放电间隙的流场和被去除粒子的运动,证明了导致表面质量下降的主要因素,即失去冲洗作用。这削弱了等离子体控制效果和碎屑排空,导致放电状况不佳。为解决这一问题,在喷砂电弧加工(BEAM)中采用了磁场。磁场的应用可有效调节电弧等离子体,增强碎片排出能力,并显著改善放电条件,从而获得更平滑、更均匀的倾斜表面,并减少再铸层厚度。这种方法为将 BEAM 应用于航空航天和军事工业中由难以切割的材料制成的复杂零件提供了可能。
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The effect of the slope angle and the magnetic field on the surface quality of nickel-based superalloys in blasting erosion arc machining

Electrical arc machining (EAM) is an efficient process for machining difficult-to-cut materials. However, limited research has been conducted on sloped surface machining within this context, constraining the further application for complex components. This study conducts bevel machining experiments, pointing out that the surface quality becomes unsatisfactory with the increasing bevel angle. The discharge condition is counted and analyzed, while the flow field and the removed particle movement of the discharge gap are simulated, demonstrating the primary factor contributing to the degradation of surface quality, namely the loss of flushing. This weakens both the plasma control effect and debris evacuation, leading to the poor discharge condition. To address this issue, the magnetic field is implemented in blasting erosion arc machining (BEAM). The application of a magnetic field effectively regulates the arc plasma, enhances debris expulsion, and significantly improves the discharge conditions, resulting in a smoother and more uniform sloped surface with a reduced recast layer thickness. This approach provides the possibility of applying BEAM to complex parts made of difficult-to-cut materials in aerospace and military industries.

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来源期刊
Advances in Manufacturing
Advances in Manufacturing Materials Science-Polymers and Plastics
CiteScore
9.10
自引率
3.80%
发文量
274
期刊介绍: As an innovative, fundamental and scientific journal, Advances in Manufacturing aims to describe the latest regional and global research results and forefront developments in advanced manufacturing field. As such, it serves as an international platform for academic exchange between experts, scholars and researchers in this field. All articles in Advances in Manufacturing are peer reviewed. Respected scholars from the fields of advanced manufacturing fields will be invited to write some comments. We also encourage and give priority to research papers that have made major breakthroughs or innovations in the fundamental theory. The targeted fields include: manufacturing automation, mechatronics and robotics, precision manufacturing and control, micro-nano-manufacturing, green manufacturing, design in manufacturing, metallic and nonmetallic materials in manufacturing, metallurgical process, etc. The forms of articles include (but not limited to): academic articles, research reports, and general reviews.
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