On crack suppression mechanisms of ultrasonic elliptical vibration cutting of 3Y-TZP ceramics

Li, Linfeng; Xu, Jinyang; Ji, Min; Yin, Youkang; Chen, Ming

doi:10.1016/j.ceramint.2022.06.138

Cited by 12 publications

(5 citation statements)

References 43 publications

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“…For instance, the ultrasonic elliptical vibration cutting (UEVC) is a promising technique to realize the crack-free milling of 3Y-TZP ceramics, as it can increase the ductile regime of brittle materials. According to the research work done by Li et al [26], enlarged ductile regimes and improved cut morphologies of 3Y-TZP ceramics could be obtained when the ultrasonic speed ratio (Rs) was lower than the critical value. Finally, such an investigation also provides some implications of using UEVC to enhance the machinability of 3Y-TZP, which will become future research prospects for the dental manufacturing community.…”

Section: Mechanical Millingmentioning

confidence: 99%

“…Previous studies have indicated that the introduction of functional microstructures can significantly improve the anti-wear and antibacterial behaviors of the target ceramic materials [22][23][24]. Besides, the fundamental texturing methods can be either laser ablation [22][23][24] or ultrasonic vibration-assisted milling [26]. Moreover, surface texturing tends to be an effective way to enhance the zirconia performances for dental applications, which will be a leading research direction in the future.…”

Section: Introductionmentioning

confidence: 99%

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Mechanical Milling and Surface Texturing of 3Y-TZP Ceramics: A Mini Review

Xu,

Shen,

2023

Advances in Transdisciplinary Engineering

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The 3 mol% yttria-stabilized tetragonal zirconia polycrystalline (3Y-TZP) ceramics have been extensively used in restorative dentistry due to their excellent esthetic effects, good chemical stability, and superior biocompatibility. Mechanical milling and surface texturing are two important aspects when dealing with the processing of zirconia ceramics for dental applications. The present paper reviews the recent advances achieved in the mentioned research fields. The fundamental milling features of 3Y-TZP ceramics are initially introduced with a particular focus on the cut surface quality. The effects of different process parameters on the machinability of 3Y-TZP ceramics are briefly summarized. Additionally, the basic mechanisms of surface texturing of these bioceramics are introduced. The mechanisms controlling how the microtextures affect the service performances of 3Y-TZP are carefully reviewed. Finally, the current research challenges and the future perspectives concerning the mechanical processing of 3Y-TZP are outlined.

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Section: Mechanical Millingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Mechanical Milling and Surface Texturing of 3Y-TZP Ceramics: A Mini Review

Xu,

Shen,

2023

Advances in Transdisciplinary Engineering

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“…Thus, UEVC can effectively reduce cutting forces [3][4][5][6] and cutting heat [7,8], thereby improving the surface quality of workpieces [9][10][11][12][13] while significantly extending the lifespan of the tool [12,14,15]. It is particularly suitable for precision and ultra-precision machining of hardened steel [1,16], ceramics [17,18], silicon carbide [19,20], tungsten carbide [21,22], and other hard and brittle materials.…”

Section: Introductionmentioning

confidence: 99%

Developmental and Experimental Study on a Double-Excitation Ultrasonic Elliptical Vibration-Assisted Cutting Device

Hu,

Xin,

Zhang

et al. 2024

Machines

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Ultrasonic elliptical vibration-assisted cutting (UEVC) has been successfully applied in the precision and ultra-precision machining of hard and brittle materials due to its advantages of a low cutting force and minimal tool wear. This study developed a novel double-excitation ultrasonic elliptic vibration-assisted cutting (D-UEVC) device by coupling ultrasonic vibrations in orthogonal dual paths. A two-degree-of-freedom vibration system of the D-UEVC was modeled, form which the elliptical trajectory of the end under different phase angle φ values was derived. The initial dimensions of the D-UEVC device were obtained through theoretical calculations. Subsequently, with the aid of finite element analysis methods, structural dynamic analysis of the device was conducted to obtain the elliptical vibration trajectory under different phase differences of the excitation source. In order to verify the cutting trajectory and cutting performance of the D-UEVC device, a prototype of the device was developed, and a series of vibration performance tests as well as the Inconel 718 cutting experiment were conducted. The experimental results illustrated that the D-UEVC device can achieve the elliptical vibration trajectory at the tool tip with a resonant frequency of 36.5 KHz. The adjustable elliptical vibration trajectories covered a range of ±4 μm in the axial and radial directions. Compared with the surface roughness Ra = 0.36 μm under the conventional cutting, the surface roughness of Inconel 718 under D-UEVC was Ra = 0.215 μm. Thus, the surface quality can be significant improved by utilizing the D-UEVC device.

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“…Glass ceramics are commonly utilized in the biological field for creating artificial teeth, and in the optical field as precision parts like lenses and grating rulers due to their excellent optical properties (Zhang et al, 2022a;Shareef et al, 2022;Cao et al, 2024;Juri et al, 2023a, b). However, the material's brittleness and high hardness make it susceptible to microcracks during the grinding process, which can degrade machining quality and impact the strength and service life of the parts (Shiliang et al, 2015;Kumar and Khamba, 2006;Agarwal, 2015;Li et al, 2022a;Bilal et al, 2021). Consequently, the study of surface roughness, surface topography, and the generation of microcracks in glass ceramics is of significant importance for the improvement of machining quality and the extension of the service life of the workpiece.…”

Section: Introductionmentioning

confidence: 99%

“…However, the material’s brittleness and high hardness make it susceptible to microcracks during the grinding process, which can degrade machining quality and impact the strength and service life of the parts (Shiliang et al. , 2015; Kumar and Khamba, 2006; Agarwal, 2015; Li et al. , 2022a; Bilal et al.…”

Section: Introductionmentioning

confidence: 99%

Study on the impact of ultrasonic vibration-assisted grinding of glass-ceramics on surface/subsurface damage mechanism

Zhang,

Cui,

Wang

et al. 2024

MMMS

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PurposeAn investigation was conducted into the impact of various process parameters on the surface and subsurface quality of glass-ceramic materials, as well as the mechanism of material removal and crack formation, through the use of ultrasonic-assisted grinding.Design/methodology/approachA mathematical model of crack propagation in ultrasonic-assisted grinding was established, and the mechanism of crack formation was described through the model. A series of simulations and experiments were conducted to investigate the impact of process parameters on crack depth, surface roughness, and surface topography during ultrasonic-assisted surface and axial grinding. Additionally, the mechanism of crack formation was explored.FindingsDuring ultrasonic-assisted grinding, the average grinding forces are between 0.4–1.0 N, which is much smaller than that of ordinary grinding (1.0–3.5 N). In surface grinding, the maximum surface stresses between the workpiece and the tool gradually decrease with the tool speed. The surface stresses of the workpiece increase with the grinding depth, and the depth of subsurface cracks increases with the grinding depth. With the increase of the axial grinding speed, the subsurface damage depth increases. The roughness increases from 0.780um/1.433um.Originality/valueA mathematical model of crack propagation in ultrasonic-assisted grinding was established, and the mechanism of crack formation was described through the model. The deformation involved in the grinding process is large, and the FEM-SPH modeling method is used to solve the problem that the results of the traditional finite element method are not convergent and the calculation efficiency is low.

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On crack suppression mechanisms of ultrasonic elliptical vibration cutting of 3Y-TZP ceramics

Cited by 12 publications

References 43 publications

Mechanical Milling and Surface Texturing of 3Y-TZP Ceramics: A Mini Review

Mechanical Milling and Surface Texturing of 3Y-TZP Ceramics: A Mini Review

Developmental and Experimental Study on a Double-Excitation Ultrasonic Elliptical Vibration-Assisted Cutting Device

Study on the impact of ultrasonic vibration-assisted grinding of glass-ceramics on surface/subsurface damage mechanism

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