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oe1(光电查) - 科学论文

3 条数据
?? 中文（中国） ▾

  • Application to Artificial Skin of Double Cone Tube Made of Acrylic Resin Formed by Micro Stereolithography

    摘要： A functional double cone tube (DCT) array with gas trapping and high durability is developed in the application of artificial skin. A stereo-lithography system is employed to fabricate DCT made of acrylic resin. In an aqueous solution, a certain amount of gas can be trapped in the tube due to capillary force balance. Under applying an external load, internal stress is effectively released at the interface between top and base cones. In the tactile sensing investigation, softness and tackiness senses as an artificial skin are felt.

    关键词： Acrylic resin,Gas storage,Double cone tube (DCT),Stress distribution,Artificial skin,Micro stereo-lithography

    更新于2025-09-23 15:22:29

  • Research on a new laser path of laser shock process

    摘要： In most laser shock process experiments, the traditional typical laser path is usually in use. However, the surface residual stress induced by laser shock process distribute unbalance. The residual stress released from the minimum axis, the effective of the laser shock process would lose. To solve it, a new laser path produced, the horizontal and vertical reciprocating (HVR). With the new path, the residual stress distribution unbalance reduced. The laser shock process efficiency improved. The traditional laser path induced stress unbalance produced by the time different between the laser pulse and stress pulse. The stress would overlay to the direction of the laser path, it’s the main reason that the material surface stress distribution unbalance. The laser pulse is 12-20ns for most cases, but the stress pulse is 3 times of it. The results of the simulation shows the traditional laser path X axis stress is 25% larger than the Y axis, but the HVR path is nearly the same. The experiments of the results not only show the two laser path stress distribution different but also the laser shock area different affect the stress distribution. The laser path different affect stress distribution unbalance reason is because the overlay, and the laser shock area affect stress distribution different reason is the resilience.

    关键词： laser shock process,laser path,HVR path,residual stress,stress distribution

    更新于2025-09-23 15:19:57

  • Optimization of the optical fiber with triple sector stress elements

    摘要： The stress distribution characteristics of the optical ?ber with triple sector stress elements are studied in detail. The relationship between the stress oscillation amplitude of the optical ?ber and the structural parameters is analyzed. The structural parameters include the distance from the stress element center to the core center and the stress element area. The results show that the stress oscillation amplitude of the optical ?ber with triple sector stress elements will increase rapidly if the stress element is close to the core while the stress element area is ?xed. When the distance from the stress element center to the core center is ?xed, the stress oscillation amplitude increases linearly with the increase of the stress element area under the premise of selecting the optimum stress element expanded angle. Based on the drawn conclusion, the optical ?ber with triple sector stress elements is optimized. The maximum stress oscillation amplitude and the optical ?ber structure with optimal stress distribution are determined to improve the coupling e?ciency of the optical ?ber and better realize the circular polarization state stable transmission.

    关键词： Optimization,Stress distribution characteristics,Stress oscillation amplitude

    更新于2025-09-19 17:13:59