Preparation of Al2O3/Ti(C,N)/ZrO2/CaF2@Al(OH)3 Ceramic Tools and Cutting Performance in Turning

Chen, Zhaoqiang; Zhang, Shuai; Guo, Rongwei; Ji, Lianggang; Guo, Niansheng; Qi, Li; Xu, Chonghai

doi:10.3390/ma12233820

Cited by 8 publications

(3 citation statements)

References 23 publications

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“…The atoms are arranged in a highly ordered manner; hence, the strength of the whiskers is close to that of the theoretical value of the intact crystals. The common ceramic whiskers include Al 2 O 3 , 55 , 56 SiC, 57–60 boron carbide(B 4 C), 61 zirconium dioxide(ZrO 2 ), 62 , 63 aluminum nitride (AlN), 64 , 65 and silicon nitride (Si 3 N 4 ) 66 , 67 whiskers. These whiskers are widely used in medical devices due to their light weight, good toughness, high strength, and superior temperature resistance.…”

Section: Classification Of Whiskersmentioning

confidence: 99%

Recent Advances in Whiskers: Properties and Clinical Applications in Dentistry

Han,

Zhang,

Liu

et al. 2024

IJN

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Whiskers are nanoscale, high-strength fibrous crystals with a wide range of potential applications in dentistry owing to their unique mechanical, thermal, electrical, and biological properties. They possess high strength, a high modulus of elasticity and good biocompatibility. Hence, adding these crystals to dental composites as reinforcement can considerably improve the mechanical properties and durability of restorations. Additionally, whiskers are involved in inducing the value-added differentiation of osteoblasts, odontogenic osteocytes, and pulp stem cells, and promoting the regeneration of alveolar bone, periodontal tissue, and pulp tissue. They can also enhance the mucosal barrier function, inhibit the proliferation of tumor cells, control inflammation, and aid in cancer prevention. This review comprehensively summarizes the classification, properties, growth mechanisms and preparation methods of whiskers and focuses on their application in dentistry. Due to their unique physicochemical properties, excellent biological properties, and nanoscale characteristics, whiskers show great potential for application in bone, periodontal, and pulp tissue regeneration. Additionally, they can be used to prevent and treat oral cancer and improve medical devices, thus making them a promising new material in dentistry.

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Section: Classification Of Whiskersmentioning

confidence: 99%

Recent Advances in Whiskers: Properties and Clinical Applications in Dentistry

Han,

Zhang,

Liu

et al. 2024

IJN

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“…They found that at a nano TiC particle size of 40 nm and a content of 4 vol%, the comprehensive mechanical properties of the ceramic materials were the best. Chen et al [ 24 ] found that the simultaneous addition of surface-modified calcium fluoride and zirconia whiskers to ceramic tools could improve their fracture toughness, realize the self-lubricating effect of props, and achieve a good balance between the self-lubricating function and mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Addition of Nano CaF2@SiO2 and SiC Whiskers in Ceramic Tools for Wear Reduction and Improved Machinability

et al. 2022

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The addition of CaF2@SiO2 and SiC whiskers to ceramic tools can improve their flexural strength and fracture toughness, reduce surface damage, and improve their cutting performance. The cutting experiments showed that under the same cutting conditions, the surface roughness of the workpiece processed with the Al2O3/TiC/SiC/CaF2@SiO2 (ATSC10) tool was significantly lower than that of the workpiece processed with the Al2O3/TiC/ SiC (ATS) tool. Additionally, the main cutting force and cutting temperature when cutting with the ATSC10 tool were lower by 30 and 31.7%, respectively. These results were attributed to the precipitation of CaF2 from the nanocoated particles during cutting and the formation of a uniform and continuous lubricating film on the surface of the tool. The wear on the front surface of the ATS tool was mainly adhesive, and that on the back tool surface was mainly abrasive. For ATSC10, the main forms of wear on the tool front surface were adhesive and abrasive, whereas the main form of wear on the tool back surface was abrasive with slight adhesive wear. The addition of nano-coated particles and whiskers improved the mechanical properties of the cutting tool while maintaining good cutting performance.

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“…According to the relevant literature, cutting force, 11 tool wear, 12 and surface roughness 13 are one of the research focuses of cutting, and they are directly related to the quality of products. 14 Cutting forces and surface roughness can be affected by chip thickness, tool angle, and cutting speed.…”

Section: Introductionmentioning

confidence: 99%

The researches concern the influence of the helix angle on the composite machining process

Jiang

Wang

Gao

et al. 2021

Composites and Advanced Materials

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Magnesium oxide-reinforced wood fiber composites (MgO/WF) are a new type of multifunctional material, which can be used in different occasions, such as shopping malls, hotels, and residential buildings. Referring to the relevant literature, there is no research on the milling performance of MgO/WF. In order to better understand the relevant knowledge of the processability of MgO/WF, three cutters with different helix angles were used in this experiment to carry out the cutting of MgO/WF, and the variation trend of its cutting force, tool wear, and surface roughness was measured. The results are as follows: First, under the same cutting parameters, the resultant force decreases with the increase of helix angle. Second, with the increase of helix angle, the tool wear was slightly improved. Third, the surface roughness (Ra) showed an increasing trend with the decrease of helix angle. In the end, when milling MgO/WF, better machined surface quality and less tool wear can be obtained by selecting the tool with larger helix angle.

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Preparation of Al2O3/Ti(C,N)/ZrO2/CaF2@Al(OH)3 Ceramic Tools and Cutting Performance in Turning

Cited by 8 publications

References 23 publications

Recent Advances in Whiskers: Properties and Clinical Applications in Dentistry

Recent Advances in Whiskers: Properties and Clinical Applications in Dentistry

Addition of Nano CaF2@SiO2 and SiC Whiskers in Ceramic Tools for Wear Reduction and Improved Machinability

The researches concern the influence of the helix angle on the composite machining process

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