Vat photopolymerization-based 3D printing of complex-shaped and high-performance Al2O3 ceramic tool with chip-breaking grooves: Cutting performance and wear mechanism

IF 2.2 4区 材料科学 Q2 MATERIALS SCIENCE, CERAMICS Journal of Asian Ceramic Societies Pub Date : 2023-01-02 DOI:10.1080/21870764.2023.2168343
Haidong Wu, Wei Liu, Yuerui Xu, Lifu Lin, Yehua Li, Shanghua Wu
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引用次数: 1

Abstract

ABSTRACT Due to the processing of alumina ceramic cutting tools with complex shapes using traditional methods is difficult and time-consuming, vat-photopolymerization-based 3D printing was adopted to fabricate Al2O3 ceramic cutting tools with grooves for the first time. Subsequently, cutting performance evaluation and wear mechanism analysis were conducted. The relative density, Vickers hardness, and bending strength of the alumina cutting tools were determined. The effects of the cutting speed, feed rate, and cutting depth on the cutting performance and wear mechanism of the cutting tools were systematically investigated. In addition, two commercial cutting tools, namely cemented carbide and ceramic tools without grooves, were used for comparison. The cutting speed has the highest influence on the cutting performance, whereas the cutting depth has the least influence. The cutting performance of the prepared alumina cutting inserts with chip breaker grooves superior to that those without chip-breaking grooves and that of the cemented carbide tools. The wear mechanisms of the prepared alumina cutting tools and commercial tools were determined to be abrasive and adhesive wear, and those of the cemented carbide tools were adhesive wear and breakage. This work opens a new avenue for the future preparation of high-performance and complex-shaped ceramic cutting tools.
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基于还原光聚合的复杂形状高性能断片槽Al2O3陶瓷刀具3D打印:切削性能与磨损机理
摘要由于使用传统方法加工形状复杂的氧化铝陶瓷刀具既困难又耗时,首次采用基于还原光聚合的3D打印技术制作了带有凹槽的Al2O3陶瓷刀具。随后,进行了切削性能评价和磨损机理分析。测定了氧化铝刀具的相对密度、维氏硬度和抗弯强度。系统地研究了切削速度、进给量和切削深度对刀具切削性能和磨损机理的影响。此外,还使用了两种商用刀具,即硬质合金刀具和无凹槽陶瓷刀具进行比较。切削速度对切削性能的影响最大,而切削深度的影响最小。所制备的带断屑槽的氧化铝刀片的切削性能优于无断屑槽和硬质合金刀具。制备的氧化铝刀具和商用刀具的磨损机理为磨料磨损和粘着磨损,硬质合金刀具的磨损机制为粘着磨损和断裂。这项工作为未来制备高性能、形状复杂的陶瓷刀具开辟了一条新的途径。
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来源期刊
Journal of Asian Ceramic Societies
Journal of Asian Ceramic Societies Materials Science-Ceramics and Composites
CiteScore
5.00
自引率
4.30%
发文量
78
审稿时长
10 weeks
期刊介绍: The Journal of Asian Ceramic Societies is an open access journal publishing papers documenting original research and reviews covering all aspects of science and technology of Ceramics, Glasses, Composites, and related materials. These papers include experimental and theoretical aspects emphasizing basic science, processing, microstructure, characteristics, and functionality of ceramic materials. The journal publishes high quality full papers, letters for rapid publication, and in-depth review articles. All papers are subjected to a fair peer-review process.
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