Material removal mechanism and corresponding models in the grinding process: A critical review

Wei, Changxu; He, Chunlei; Chen, Guang; Sun, Yongquan; Ren, Chengzu

doi:10.1016/j.jmapro.2023.08.045

Cited by 17 publications

(2 citation statements)

References 175 publications

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“…The surface of the diamond wheel is covered with irregularly shaped abrasive grains, which can be regarded as multiple blades collectively cutting the material surface, constituting a complex machining process. The removal mechanisms of hard and brittle materials, represented by metal ceramics, generally involve two modes: brittle removal and ductile removal [12,13]. Klocke et al [14] conducted a single grain cutting test on the WC-Co alloy, where scratches indicated a transition from ductile to brittle removal mechanisms, predominantly characterized by brittle removal mechanisms.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Machined Surface Integrity of WC-High-Entropy Alloy Cemented Carbide

Yin,

Du,

Sun

et al. 2024

Metals

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A fine-grained WC-15wt%Al0.5CoCrFeNi cemented carbide was prepared through a vacuum and gas pressure sintering. For achieving high surface integrity, diamond wheel grinding serves as the primary molding process for the machining of WC cemented carbide. To reveal the influence of grinding on the surface integrity of fine-grained WC-HEA cemented carbide, studies were conducted on grinding force, surface microstructure, surface roughness, residual stress, microhardness, and bending strength. The morphological analysis of the ground surface indicated a transition in the material removal mechanism of WC-HEA cemented carbide from ductile removal to brittle removal, with brittle removal becoming predominant as the depth of grinding increases. With the increasing depth of grinding, the grinding force increases, and the grinding force increases while the surface roughness decreases. Correspondingly, there is an improvement in both hardness and bending strength. Additionally, grinding induces high residual compressive stress on the surface, with a maximum compressive stress of 1795 MPa. The bending strength of the material is found to be dependent on the residual stress.

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Section: Introductionmentioning

confidence: 99%

Investigation of the Machined Surface Integrity of WC-High-Entropy Alloy Cemented Carbide

Yin,

Du,

Sun

et al. 2024

Metals

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“…Walton et al [39] stated that high specific material removal rates (SRR) of 1000 mm 3 /mm 2 •s produce thermal damage on workpieces' surfaces, with severe re-hardening burn. Ma et al [40] reported that the MRR is influenced by many parameters such as wheel speed, feed speed, dressing, wheel surface, workpiece surface, etc. For the surface grinding of AISI D3 steel, Singh et al [41] found that depth of cut was the main parameter influencing the MRR.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Roughness, the Material Removal Rate, and the Acoustic Emission Signal Obtained in Flat Grinding Processes

Sender,

Buj-Corral,

Álvarez-Flórez

2024

Machines

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In this work, the analysis of the acoustic emission (AE) signal in grinding processes is addressed. The proposed analysis method decomposes the acoustic signal into three frequency ranges. The total energy of each range is determined, as well as the highest frequency. Different grinding experiments were carried out, according to a full factorial design of experiments (DOE), in which feed speed, depth of cut, and transversal step (table cross feed) were varied. Arithmetic average roughness Ra and the material removal rate (MRR) were determined. It was observed that Ra depends mainly on the transversal step, followed by feed speed and the interaction between the transversal step and depth of cut, while MRR is greatly influenced by the transversal step. According to multi-objective optimization with the Derringer–Suich function, in order to simultaneously minimize Ra and maximize MRR, a transversal step of 9 mm per longitudinal pass, feed speed of 20 m/min, and depth of cut of 0.020 mm should be selected.

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Finite Element Modeling of Multi-grit Stochastic Grinding Tool for Vibration-Assisted Surface Grinding of Ti6Al4V

Maroju,

Kundhojalla,

Kesherwani

et al. 2024

J. of Materi Eng and Perform

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Material removal mechanism and corresponding models in the grinding process: A critical review

Cited by 17 publications

References 175 publications

Investigation of the Machined Surface Integrity of WC-High-Entropy Alloy Cemented Carbide

Investigation of the Machined Surface Integrity of WC-High-Entropy Alloy Cemented Carbide

Analysis of Roughness, the Material Removal Rate, and the Acoustic Emission Signal Obtained in Flat Grinding Processes

Finite Element Modeling of Multi-grit Stochastic Grinding Tool for Vibration-Assisted Surface Grinding of Ti6Al4V

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