Results 11 to 20 of about 1,951 (133)

Wetting and Spreading Behaviors of Impacting Metal Droplet Regulated by 2D Ultrasonic Field [PDF]

Advanced Science
The wetting and spreading behaviors of metal droplets on solid substrates are critical aspects of additive manufacturing. However, the inherent characteristics of metal droplets, including high surface tension, elevated viscosity, and extreme ...
Yuzhu Zhao, Shijing Zhang, Jing Li, Jie Deng, Yingxiang Liu   +4 more
doaj   +2 more sources

Research on Self-Priming Piezoelectric Microjet and Its Ejection Performance Control

Actuators, 2023
The inkjet printing technology, based on piezoelectric microjet, realizes the high-efficiency processing of special-shaped structures, and has the advantages of high precision, high efficiency, and the ability to manufacture arbitrary complex parts.
Tiyuan Shan, Xiaosheng Wu, Huajun Zhou, Xindi Lin, Bin Yang   +4 more
doaj   +1 more source

PZT Composite Film Preparation and Characterization Using a Method of Sol-Gel and Electrohydrodynamic Jet Printing

Micromachines, 2023
Lead zircon titanate (PZT) composite films were advantageously prepared by a novel hybrid method of sol-gel and electrohydrodynamic jet (E-jet) printing.
Yan Cui, Hao Yu, Zeshan Abbas, Zixiang Wang, Lunxiang Wang, Dazhi Wang   +5 more
doaj   +1 more source

Failure mechanism analysis and experimental study of lead zirconate titanate actuators in piezoelectric micro jetting valve [PDF]

AIP Advances, 2020
Piezoelectric ceramics have recently become one of the most common materials in electromechanical industries, especially in the microelectronic packaging industry. In a jetting dispenser, the presence of imbalanced stress-induced defects in such materials prevents them from providing high stability during the jetting dispensing process.
Zhiwei Luo, Yong He, Daoheng Sun, Lingyun Wang   +3 more
openaire   +2 more sources

Investigations into wetting and spreading behaviors of impacting metal droplet under ultrasonic vibration control

Ultrasonics Sonochemistry, 2023
Ultrasonic-assisted metal droplet deposition (UAMDD) is currently considered a promising technology in droplet-based 3D printing due to its capability to change the wetting and spreading behaviors at the droplet-substrate interface. However, the involved
Yuming Feng, Junkao Liu, Hengyu Li, Jie Deng, Yingxiang Liu   +4 more
doaj   +1 more source

Flow Channel Influence of a Collision-Based Piezoelectric Jetting Dispenser on Jet Performance

Sensors, 2018
To improve the jet performance of a bi-piezoelectric jet dispenser, mathematical and simulation models were established according to the operating principle.
Can Zhou, Guiling Deng, Junhui Li, Ji’an Duan   +3 more
doaj   +1 more source

Synthetic jet actuator using bubbles produced by electric discharge

Journal of Fluid Science and Technology, 2014
Over the last decade, synthetic jets suitable for micro-machinery have received attention for their potential to replace continuous jets. The development of synthetic jet actuators with, for example, a diaphragm, a piston, a piezoelectric element, or a ...
Koichi NISHIBE, Tamio FUJIWARA, Hiroshi OHUE, Hideki TAKEZAWA, Kotaro SATO, Kazuhiko YOKOTA   +5 more
doaj   +1 more source

Research and Development of a 3D Jet Printer for High-Viscosity Molten Liquids

Micromachines, 2018
Micro-droplet jetting manufacture is a new 3D printing technology developed in recent years. Presently, this new technology mainly aims at ejecting a low-viscosity medium.
Yang Yang, Shoudong Gu, Jianfang Liu, Hongyu Tian, Qingqing Lv   +4 more
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Large‐Scale and Cost‐Effective Fabrication of Ultra‐Thin, Biodegradable Microelectrode Arrays and Pressure Sensors Using Laser Micromachining

Advanced Materials Technologies, EarlyView.
A mask‐free and cost‐effective UV‐pico‐second laser‐based microfabrication method is proposed to fabricate large‐area biodegradable microelectrode arrays and pressure sensors. These devices demonstrate low impedance, good conformability, excellent biocompatibility, and rapid degradation, providing a new route for next‐generation transient electronics ...
Bhavani Prasad Yalagala, Asfand Tanwear, María Cerezo‐Sánchez, Hossein Parvizi, Morteza Amjadi, Hadi Heidari   +5 more
wiley   +1 more source