Review on Research and Development of Abrasive Scratching of Hard Brittle Materials and Its Underlying Mechanisms

Hui-na, Qian; Chen, Mengkai; Qi, Zijian; Teng, Qi; Qi, Huan; Zhang, Li; Shan, Xiaohang

doi:10.3390/cryst13030428

Cited by 18 publications

(9 citation statements)

References 66 publications

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“…With the rapid development of advanced manufacturing technologies, it is necessary to improve the machining performance and quality for industrial purposes [1][2][3]. The high-speed metal circular sawing machine is a marvel of efficiency and precision, deftly slicing through steel and non-ferrous metals with ease.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Study on Regulation of Cutting Temperature during the Circular Sawing of 45 Steel

Wang

et al. 2023

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Studying the cutting temperature is critical for unlocking the secrets of sawblade wear, lifespan, and the metallurgical alterations beneath the surface. This paper describes an investigation into the temperature of 45 steel during dry sawing, using a cemented carbide circular saw blade under various cutting conditions. A temperature acquisition system was developed, enabling the determination of the average temperature of the arc zone in the workpiece and the temperature of the sawtooth tip via a semi-automated thermocouple measurement and an embedded dynamic artificial thermocouple method, respectively. Results obtained from these two methods indicate a positive correlation between the sawing temperature and the saw blade speed and feed rate, with an optimal combination of cutting process parameters identified for maintaining stability within reasonable ranges. Finite element simulations reveal a cyclical fluctuation in temperature along the workpiece surface and sawtooth, with a gradual decrease after an increase in the intermittent step, and confirm the relationship between the sawing temperature and the saw blade and feed rates observed experimentally. Overall, this study presents valuable insights into the temperature changes occurring during the sawing process, with important implications for improving productivity and maintaining stability in industrial applications.

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Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Study on Regulation of Cutting Temperature during the Circular Sawing of 45 Steel

Wang

et al. 2023

Coatings

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“…Fatigue failure and wear failure, which account for 80% of all mechanical part failures, usually originate from the surface [6][7][8][9][10]. Thus, surface-strengthening technologies are required to improve the quality of mechanical parts and enhance their resistance to fatigue and wear, resulting in a longer service life [11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

State of the Art and Perspectives on Surface-Strengthening Process and Associated Mechanisms by Shot Peening

et al. 2023

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Shot peening is a surface-strengthening process that is widely used in various industries, such as aerospace, automotive, and biomedical engineering. The process involves the impact of small, spherical media, called shots, onto the surface of a material, resulting in residual compressive stress and improved surface properties. This review aims to provide an overview of the state of the art and perspectives on surface strengthening by shot peening. The review covers various aspects of shot peening, including process parameters, shot materials, and quality control techniques. The advantages and limitations of shot peening in comparison to other surface-strengthening techniques are also discussed. The findings of this review indicate that shot peening is a versatile and effective surface-strengthening technique with numerous applications, and further research is needed to fully realize its potential. In conclusion, this review provides insights into the current status and future perspectives on surface strengthening by shot peening, and it is expected to be useful for researchers, engineers, and practitioners in the field of material science and engineering.

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“…However, there is still a great difficulty in accurately measuring the cutting temperature and its distribution in the cutting zone in both turning and milling processes [20]. With the development of computer technology, the numerical simulation analysis method has attracted the attention of many scholars in engineering [21][22][23][24][25][26]. The finite element method (FEM) has the advantages of high accuracy, low cost, and high efficiency.…”

Section: Introductionmentioning

confidence: 99%

Numerical Investigation on the Effect of Cutting-Edge Shape Factor on the Cutting Performance of Titanium Alloy

You

Yuan

2023

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Titanium alloys are extensively utilized in the aerospace industry due to their exceptional properties, encompassing high specific strength and corrosion resistance. Nevertheless, these alloys present inherent challenges as difficult-to-machine materials characterized by low thermal conductivity and high chemical reactivity. The machining of titanium alloys often gives rise to elevated cutting forces and temperatures, thereby resulting in compromised machining quality and substantial tool wear. This study explores the influence of the cutting-edge shape factor on tool performance and optimizes the cutting-edge structure through finite element simulation. Remarkably, the cutting performance of the tool demonstrates significant enhancement following cutting-edge passivation. Alterations in the geometric shape of the cutting-edge after passivation exert a notable impact on the tool’s cutting performance, with a superior performance observed for shape factor K > 1 compared to alternative edge structures. Additionally, numerical simulation is employed to analyze the influence of passivation values Sγ and Sα on cutting force and temperature, which are crucial factors affecting cutting performance. The results underscore the significant impact of Sγ on cutting force and temperature. Furthermore, within the confines of maintaining an identical shape factor K, the blade segment group featuring Sγ = 40 μm and Sα = 25 μm exhibits the lowest maximum cutting temperature, thereby indicating the optimal tool design attainable through this study.

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Review on Research and Development of Abrasive Scratching of Hard Brittle Materials and Its Underlying Mechanisms

Cited by 18 publications

References 66 publications

Experimental and Numerical Study on Regulation of Cutting Temperature during the Circular Sawing of 45 Steel

Experimental and Numerical Study on Regulation of Cutting Temperature during the Circular Sawing of 45 Steel

State of the Art and Perspectives on Surface-Strengthening Process and Associated Mechanisms by Shot Peening

Numerical Investigation on the Effect of Cutting-Edge Shape Factor on the Cutting Performance of Titanium Alloy

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