Friction

Journal Article

Biomechanical energy harvesting technologies for wearable electronics: Theories and devices

Li, Xiaowen; Zeng, Xu; Li, Junwei; Li, Boyuan; Chen, Yu;

2024 Friction

Wearable biomechanical energy harvesting devices have received a lot of attention recently, benefiting from the rapid advancement of theories and devices in the field of the micro electromechanical system (MEMS). They not only fulfil the requirements for powering wearable electronic devices but...

Open Access

Journal Article

Stochastic uncertain lubrication in gear transmission subjected to tribodynamic loading

Chen, Zhou; Sha, Haiming; Li, Sheng; Tong, Zheming; Tong, Shuiguang

2024 Friction

doi:10.1007/s40544-023-0843-6

A stochastic uncertain tribodynamic model is established for a spur gear pair for the first time. The stochastic uncertainty of pinion rotation speed propagated to lubrication performance is investigated. The probability density function of the minimum lubricant film thickness hmin evolves over...

Open Access

Journal Article

Effect of temperature on tribofilm growth and the lubrication of the piston ring-cylinder liner system in two-stroke marine engines

Lyu, Xiuyi; Hu, Jiang; Wang, Yunchuan; Sheng, Jinlu; Ma, Xuan;

2024 Friction

doi:10.1007/s40544-024-0872-9

This study is an optimized extension based on the authors’ previous research on the tribo-chemical reaction under constant temperature field of two-stroke internal combustion engines (ICEs). It establishes a coupled analysis model that considers the tribo-chemical reactions, dynamic contact, and...

Open Access

Journal Article

Effect of fatigue load on the bending tribo-corrosion-fatigue behaviors between the main cable wires

Wang, Bo; Wang, Dagang; Ye, Jihong; Tang, Liang; Chong, Hailang;

2024 Friction

doi:10.1007/s40544-023-0830-y

The main cable bent around the saddle of the suspension bridge is subjected to the wind, the vehicle, the bridge’s own weight and the corrosive media. The coupling of the three loads and the environments causes the friction, the corrosion, and the fatigue (tribo-corrosion-fatigue) among the wires...

Open Access

Journal Article

Exploring the relevance between load-bearing capacity and surface friction behavior based on a layered hydrogel cartilage prototype

Zhang, Yunlei; Zhao, Weiyi; Zhao, Xiaoduo; Zhang, Jinshuai; Yu, Bo;

2024 Friction

doi:10.1007/s40544-023-0846-3

Cartilage is well lubricated over a lifetime and this phenomenon is attributed to both of the surface hydration lubrication and the matrix load-bearing capacity. Lubricious hydrogels with a layered structure are designed to mimic cartilage as potential replacements. While many studies have...

Open Access

Journal Article

Experiment and modelling of texture and sliding direction dependence on finger friction behavior

Li, Yuanzhe; Zhou, Xue; Bai, Pengpeng; Xiang, Zhonghuan; Meng, Yonggang;

2024 Friction

doi:10.1007/s40544-023-0816-9

Humans rely on their fingers to sense and interact with external environment. Understanding the tribological behavior between finger skin and object surface is crucial for various fields, including tactile perception, product appearance design, and electronic skin research. Quantitatively...

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