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  1. Article

    Open Access

    Nano friction behaviour between magnetic materials and copper considering the inter-diffusion effect

    Copper, permalloy, cobalt, and silicon are the materials that have been widely utilised in magnetic devices. When the size of interest is down to the nanoscale, the inter-diffusion between certain materials be...

    Zilin Li, Lisha Dou, Shiyu Yang, Huajiang Ouyang, Qichen Zhu, **aoyang Chen… in Friction (2024)

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  2. No Access

    Article

    Nonlinear dynamics of an asymmetric bistable energy harvester with an adjustable unilateral stopper

    Due to the broadband response and high sensitivity to low excitation levels, bistable energy harvesters (BEHs) have been viewed as an efficient method to overcome the shortcomings of linear energy harvesters o...

    Jianhui Wang, Wei Wang, Shuangyan Liu, Zilin Li… in The European Physical Journal Plus (2024)

  3. No Access

    Article

    Subpixel keypoint localization and angle prediction for lithography marks based on deep learning

    The alignment precision in lithography determines the pattern transfer quality, whereas the initial angular deviation between the wafer and mask leads to the empty-window problem. Therefore, identifying the an...

    Yulong Li, Yangjie Cao, Shijiao Li, Hui Tian… in Journal of Intelligent Manufacturing (2024)

  4. No Access

    Article

    Physics-informed neural networks for friction-involved nonsmooth dynamics problems

    Friction-induced vibration is very common in engineering areas, such as aerospace, high-speed railways, robotics, and human/artificial joints. Analysing the dynamic behaviour of systems containing a multiple-c...

    Zilin Li, **shuai Bai, Huajiang Ouyang, Saulo Martelli, Ming Tang… in Nonlinear Dynamics (2024)

  5. No Access

    Article

    Nonlinear dynamics and performance evaluation of an asymmetric bistable energy harvester with unilateral piecewise nonlinearity

    Due to the snap-through characteristics and broadband response, bistable energy harvesters (BEHs) have attracted significant attention. Previous studies revealed that asymmetry in potentials has an adverse imp...

    Wei Wang, Jianhui Wang, Shuangyan Liu, Ronghan Wei in Nonlinear Dynamics (2024)