Enhanced polishing characteristics of Al-6061 via composite magnetic abrasives (EIP–Al2O3) assisted hybrid CMMRF process

IF 5.3 1区工程技术 Q1 ENGINEERING, MECHANICAL Wear Pub Date : 2024-08-07 DOI:10.1016/j.wear.2024.205528

Yogendra Kumar , Harpreet Singh , Puneet Tandon , Kuldeep , G.A. Basheed , A. Barik , P.N. Vishwakarma

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Abstract

In magnetorheological (MR) fluid polishing, high magnet speed releases abrasive particles from the finishing region, reducing their grip on the ferromagnetic chain structure and triggering the process to stall. Enhancing polishing efficiency necessitates developing a new composite magnetic abrasive (EIP-Al₂O₃) through microwave sintering. EIP-Al₂O₃ has favourable soft magnetic effects when it comes to its structure, phase composition, magnetic, and rheological properties. Chemo-mechanical magneto-rheological finishing (CMMRF), a developed hybrid-finishing method, aims to thoroughly evaluate CMA's performance. CMA attains a defect-free Al-6061 surface with R_a ∼79 nm and MRR ∼0.379 mg/min. CMAs outperforms simply mixed abrasives (SMA) by a significant 25 % increase in R_a and a remarkable 60 % increase in MRR. CMAs emerges as an effective solution for combating tool aging effects at high rotational speeds.

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通过复合磁性磨料（EIP-Al2O3）辅助混合 CMMRF 工艺提高 Al-6061 的抛光特性

在磁流变（MR）流体抛光中，磁铁的高速运转会从抛光区域释放出磨料颗粒，从而降低它们对铁磁链结构的吸附力，导致抛光过程停滞。为了提高抛光效率，有必要通过微波烧结技术开发一种新型复合磁性研磨剂（EIP-AlO）。EIP-AlO 在结构、相组成、磁性和流变特性方面都具有良好的软磁效应。化学机械磁流变精加工（CMMRF）是一种混合精加工方法，旨在全面评估 CMA 的性能。CMA 可使 Al-6061 表面达到 ∼79 nm 的无缺陷水平，MRR ∼0.379 mg/min。CMA 比简单混合磨料（SMA）的性能显著提高了 25%，MRR 显著提高了 60%。CMAs 是在高速旋转条件下消除刀具老化效应的有效解决方案。

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.