Conformal 3D printing of a polymeric tactile sensor

Emon, Omar Faruk; Alkadi, Faez; Kiki, Mazen; Choi, Jaewon

doi:10.1016/j.addlet.2022.100027

Cited by 17 publications

(8 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Based on the outstanding designability, simplicity, and fast forming process of the 5-axis 3D-printing, conformal conductive patterns and multilayer TFSGs were successfully fabricated on curved surfaces (Figure h,i and Movie S1). Compared to traditional 3-axis printing, the utilization of 4/5-axis technology in this study can significantly improve the quality of the conformal features and also eliminate oozing and stringing. − Moreover, when contrasted with projection microstereolithography-based printing, it supports a higher printable viscosity and a broader material applicability . Therefore, this work paves the way toward the development of a novel class of high stability and low TCR in situ TFSGs for use in metallic components such as turbine blades.…”

Section: Resultsmentioning

confidence: 97%

All-Three-Dimensionally-Printed AgPd Thick-Film Strain Gauge with a Glass–Ceramic Protective Layer for High-Temperature Applications

Zeng,

Chen,

Zhao

et al. 2023

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

A high-temperature thin/thick-film strain gauge (TFSG) shows development prospects for in situ strain monitoring of hot-end components due to their small perturbations, no damage, and fast response. Direct ink writing (DIW) 3D printing is an emerging and facile approach for the rapid fabrication of TFSG. However, TFSGs prepared based on 3D printing with both high thermal stability and low temperature coefficient of resistance (TCR) over a wide temperature range remain a great challenge. Here, we report a AgPd TFSG with a glass–ceramic protective layer based on DIW. By encapsulating the AgPd sensitive layer and regulating the Pd content, the AgPd TFSG demonstrated a low TCR (191.6 ppm/°C) from 50 to 800 °C and ultrahigh stability (with a resistance drift rate of 0.14%/h at 800 °C). Meanwhile, the achieved specifications for strain detection included a strain sensing range of ±500 με, fast response time of 153 ms, gauge factor of 0.75 at 800 °C, and high durability of >8000 cyclic loading tests. The AgPd TFSG effectively monitors strain in superalloys and can be directly deposited onto cylindrical surfaces, demonstrating the scalability of the presented approach. This work provides a strategy to develop TFSGs for in situ sensing of complex curved surfaces in harsh environments.

show abstract

Section: Resultsmentioning

confidence: 97%

All-Three-Dimensionally-Printed AgPd Thick-Film Strain Gauge with a Glass–Ceramic Protective Layer for High-Temperature Applications

Zeng,

Chen,

Zhao

et al. 2023

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

“…This approach allows for the accurate deposition of conductive traces and components, conforming to the contours of the object. Conformal printing enables the creation of custom circuit designs on complex‐shaped surfaces 36 , 37 Laser direct writing: Laser direct writing is all about using laser beams to directly pattern conductive materials onto 3D surfaces.…”

Section: Biosensorsmentioning

confidence: 99%

Uninterrupted real‐time cerebral stress level monitoring using wearable biosensors: A review

Mishra

Agrawal

Ali

et al. 2023

Biotech and App Biochem

View full text Add to dashboard Cite

Stress is the major unseen bug for the health of humans with the increasing workaholic era. Long periods of avoidance are the main precursor for chronic disorders that are quite tough to treat. As precaution is better than cure, stress detection and monitoring are vital. Although there are ways to measure stress clinically, there is still a constant need and demand for methods that measure stress personally and in an ex vitro manner for the convenience of the user. The concept of continuous stress monitoring has been introduced to tackle the issue of unseen stress accumulating in the body simultaneously with being user‐friendly and reliable. Stress biosensors nowadays provide real‐time, noninvasive, and continuous monitoring of stress. These biosensors are innovative anthropogenic creations that are a combination of biomarkers and indicators like heart rate variation, electrodermal activity, skin temperature, galvanic skin response, and electroencephalograph of stress in the body along with machine learning algorithms and techniques. The collaboration of biological markers, artificial intelligence techniques, and data science tools makes stress biosensors a hot topic for research. These attributes have made continuous stress detection a possibility with ease. The advancement in stress biosensing technologies has made a great impact on the lives of human beings so far. This article focuses on the comprehensive study of stress‐indicating biomarkers and the techniques along with principles of the biosensors used for continuous stress detection. The precise overview of wearable stress monitoring systems is also sectioned to pave a pathway for possible future research studies.

show abstract

“…Polymers are a favorable material in producing electronics due to the design flexibility. Soft sensors are advantageous over rigid sensors as they can bend, flex and absorb shock, which are key attributes in wearable technology [140]. Emon et al 3D printed a curved surface pressure sensitive polymer membrane sensor, with carbon nanotube based conductive electrodes.…”

Section: Polymersmentioning

confidence: 99%

“…Emon et al 3D printed a curved surface pressure sensitive polymer membrane sensor, with carbon nanotube based conductive electrodes. A multi-material extrusion printer was used to print the sensor components successfully in a curved structure to fit its application to be placed on the fingertip [140].…”

Section: Polymersmentioning

confidence: 99%

High Precision 3D Printing for Micro to Nano Scale Biomedical and Electronic Devices

et al. 2022

View full text Add to dashboard Cite

Three dimensional printing (3DP), or additive manufacturing, is an exponentially growing process in the fabrication of various technologies with applications in sectors such as electronics, biomedical, pharmaceutical and tissue engineering. Micro and nano scale printing is encouraging the innovation of the aforementioned sectors, due to the ability to control design, material and chemical properties at a highly precise level, which is advantageous in creating a high surface area to volume ratio and altering the overall products’ mechanical and physical properties. In this review, micro/-nano printing technology,mainly related to lithography, inkjet and electrohydrodynamic (EHD) printing and their biomedical and electronic applications will be discussed. The current limitations to micro/-nano printing methods will be examined, covering the difficulty in achieving controlled structures at the miniscule micro and nano scale required for specific applications.

show abstract

Conformal 3D printing of a polymeric tactile sensor

Cited by 17 publications

References 28 publications

All-Three-Dimensionally-Printed AgPd Thick-Film Strain Gauge with a Glass–Ceramic Protective Layer for High-Temperature Applications

All-Three-Dimensionally-Printed AgPd Thick-Film Strain Gauge with a Glass–Ceramic Protective Layer for High-Temperature Applications

Uninterrupted real‐time cerebral stress level monitoring using wearable biosensors: A review

High Precision 3D Printing for Micro to Nano Scale Biomedical and Electronic Devices

Contact Info

Product

Resources

About