XIN Chenxing, LI Yan, HAO Liang, FENG Zuying, XIONG Wei. Fabrication of Biodegradable UV-Curable Resin via Stereolithography for Wearable Jewelry[J]. Journal of Gems & Gemmology, 2019, 21(1): 49-59. DOI: 10.15964/j.cnki.027jgg.2019.01.006
Citation: XIN Chenxing, LI Yan, HAO Liang, FENG Zuying, XIONG Wei. Fabrication of Biodegradable UV-Curable Resin via Stereolithography for Wearable Jewelry[J]. Journal of Gems & Gemmology, 2019, 21(1): 49-59. DOI: 10.15964/j.cnki.027jgg.2019.01.006

Fabrication of Biodegradable UV-Curable Resin via Stereolithography for Wearable Jewelry

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  • Received Date: June 29, 2018
  • Additive manufacturing (AM), also known as three-dimensional printing (3D Printing), has made remarkable achievements in electronics, industrial design, architecture, medical application, automotive industry and aerospace, etc. In recent years, it gradually emerged in jewelry industry. This paper develops a new formulation of biodegradable UV-cured resin with biosafety for stereolithography apparatus (SLA) and performs a comprehensive analysis of its 3D printability, mechanical properties, internal and external conditions via viscometer, thermogravimetric analysis, mechanical testing machine, Fourier transform infrared spectrometer (FITR) and scanning electron microscope, etc. The results indicate that the formulation possesses low viscosity as well as proper thermal stability at room temperature which is suitable for 3D printing of jewelry. The tensile strength and flexural strength changes with the accuracy of 3D printing. FITR result shows that N-O stretching vibration peak indicates that the resin reacts with diluent completely. Under the microscope, the number of bubbles and powder decrease with the 3D printing precision increasing. Scanning electron microscope shows that the higher the precision, the more uneven the fracture surface and the better the machine properties. Finally, the biodegradable UV-cured resin is used for jewelry printing and various series of jewelry are obtained.
  • Figure  1.  Infrared spectra of the main minerals in common ancient Chinese jade artifacts
    Table  1.  Confusion matrix, accuracy, precision, and recall of the test set in the nephrite origin discrimination model
    预测结果/% 精确率(%) 召回率(%) F1分数/%
    敖汉 贝加尔 春川 敦煌 溧阳 龙溪 罗甸 马衔山 马鬃山 青海 新疆 岫岩
    敖汉 100 0 0 0 0 0 0 0 0 0 0 0 100 100 100
    贝加尔 0 100 0 0 0 0 0 0 0 0 0 0 78.6 100 88.0
    春川 0 0 100 0 0 0 0 0 0 0 0 0 100 100 100
    敦煌 0 0 0 100 0 0 0 0 0 0 0 0 100 100 100
    溧阳 0 0 0 0 100 0 0 0 0 0 0 0 100 100 100
    龙溪 0 0 0 0 0 100 0 0 0 0 0 0 100 100 100
    罗甸 0 0 0 0 0 0 100 0 0 0 0 0 100 100 100
    马衔山 0 0 0 0 0 0 0 80 0 0 20 0 100 80.0 88.9
    马鬃山 0 0 0 0 0 0 0 0 100 0 0 0 100 100 100
    青海 0 0 0 0 0 0 0 0 0 100 0 0 100 100 100
    新疆 0 10.3 0 0 0 0 0 0 0 0 89.7 0 92.9 89.7 91.2
    岫岩 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100
     | Show Table
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