Characteristics of cutting force and surface finish in diamond turning of polycrystalline copper achieved by friction stir processing (FSP)

He, Chao; Zhang, J.G.; Ren, Chengzu; Wang, S.Q.; Cao, Zhimin

doi:10.1016/j.jmatprotec.2021.117451

Cited by 19 publications

(1 citation statement)

References 29 publications

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“…FSP allows for the fabrication of hybrid and in situ surfaces with tailored properties. While FSP has been extensively studied in non-ferrous metal alloys (such as aluminum, copper, titanium, and magnesium), the implementation of FSP on steel is also relevant [22][23][24][25]. Steel components in various industries (e.g., aerospace, automotive, and construction) can benefit from FSP [26,27].…”

Section: Introductionmentioning

confidence: 99%

The Influence of Multi-Pass Friction Stir Processing on the Microstructure Evolution and Mechanical Properties of IS2062 Steel

Raja,

Su,

2024

Metals

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The motive of present work is to explore the variation in the material characteristics of steel upon multi-pass friction stir processing. Steel plates (IS2062) that were 3 mm thick, were subjected to friction stir processing in a multi-pass manner. The selected transverse speed was 150 mm/min, along with a tool rotation of 800 RPM when using a tungsten carbide tool (shoulder diameter—10 mm). Steel plates were processed using the single-pass, double-pass, and triple-pass travel of the rotating tool to observe the impact of multi-pass processing on the properties of steel plates. Multi-pass friction stir processing resulted in a higher micro-hardness of 175 VHN after the second pass, in comparison to the unprocessed metal, which had a micro-hardness of 130 VHN, owing to the collective effect of the plastic flow of the material due to the rotation of the tool and frictional heat, which also leads to grain refinement. The second pass evidenced an average grain size of 22 microns, whereas the unprocessed material had an average grain size of 57 microns. The results of EBSD and SEM characterization showed reasonably improved material properties of the processed work materials.

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Section: Introductionmentioning

confidence: 99%

The Influence of Multi-Pass Friction Stir Processing on the Microstructure Evolution and Mechanical Properties of IS2062 Steel

Raja,

Su,

2024

Metals

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Toolpath planning method with the constraint of cutting force fluctuation in slow tool servo turning for complex curved surface parts

Qin

Jia

et al. 2023

Int J Adv Manuf Technol

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Parts with the complex curved surface are commonly-used in high-end equipment. The machining quality of the complex curved surface parts is important for the property of high-end equipment. With position control of the main spindle i.e. C axis, the slow tool servo (STS) turning is a very promising technique to effectively machine complex curved surface parts. However, the turning machining quality is restricted by the cutting force fluctuation in finishing turning. Hence, the STS turning toolpath generation approach with the constraint of the cutting force fluctuation is proposed in this study. As the cutting force is proportionate to the cutting area, the cutting area for turning complex curved surfaces is analyzed and calculated. Then the functional relation between the cutting force fluctuation and the feed rate is derived. Based on the geometrical characteristic of the first revolution of toolpath, the feed rate is optimized with small cutting force fluctuation to derive the cutter contact points (CCPs) of toolpath in the cylindrical coordinate system. Then the cutter location points (CLPs) of STS turning toolpath are calculated with tool nose radius compensation. From the validation experiment results, it can be seen that the cutting force fluctuation, the profile tolerance and the surface roughness of parts are effectively reduced, and the surface roughness of the part machined with the proposed toolpath planning method is 17.625 nm. Thus, this study provides guidance for toolpath generation with constraint of the fluctuation of the cutting force in STS turning for a complex curved surface.

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A hybrid physics-data-driven surface roughness prediction model for ultra-precision machining

Bai

Yang

Cheng

et al. 2023

Sci. China Technol. Sci.

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Characteristics of cutting force and surface finish in diamond turning of polycrystalline copper achieved by friction stir processing (FSP)

Cited by 19 publications

References 29 publications

The Influence of Multi-Pass Friction Stir Processing on the Microstructure Evolution and Mechanical Properties of IS2062 Steel

The Influence of Multi-Pass Friction Stir Processing on the Microstructure Evolution and Mechanical Properties of IS2062 Steel

Toolpath planning method with the constraint of cutting force fluctuation in slow tool servo turning for complex curved surface parts

A hybrid physics-data-driven surface roughness prediction model for ultra-precision machining

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