Research

Frontispiece of Adv. Healthcare Mater. 21/2023: All Knitted and Integrated Soft Wearable of High Stretchability and Sensitivity for Continuous Monitoring of Human Joint Motion

All Knitted and Integrated Soft Wearable of High Stretchability and Sensitivity for Continuous Monitoring of Human Joint Motion Ujjaval Gupta, Jun Liang Lau, Pei Zhi Chia, Ying Yi Tan, Alvee Ahmed, Ngiap Chuan Tan, Gim Song Soh, Hong Yee Low See here: https://doi.org/10.1002/adhm.202370123 Graphical Abstract: Healthcare Wearables This image for article 2202987 by Ujjaval Gupta, [...]

Frontispiece of Adv. Healthcare Mater. 21/2023: All Knitted and Integrated Soft Wearable of High Stretchability and Sensitivity for Continuous Monitoring of Human Joint Motion2023-08-30T10:23:48+08:00

Hierarchical Colorful Structures by Three-Dimensional Printing of Inverse Opals

Hemant Kumar Raut, Hao Wang, Qifeng Ruan, Hongtao Wang, Javier G. Fernandez, and Joel K. W. Yang, Nano Letters 2021 21 (20), 8602-8608, DOI: 10.1021/acs.nanolett.1c02483 Abstract Structural coloration is a recurring solution in biological systems to control visible light. In nature, basic structural coloration results from light interacting with a repetitive nanopattern, but more complex interactions [...]

Hierarchical Colorful Structures by Three-Dimensional Printing of Inverse Opals2022-03-23T11:23:41+08:00

Ultra-Deformable and Tissue-Adhesive Liquid Metal Antennas with High Wireless Powering Efficiency

Yamagishi, K., Zhou, W., Ching, T., Huang, S. Y., Hashimoto, M., Ultra-Deformable and Tissue-Adhesive Liquid Metal Antennas with High Wireless Powering Efficiency. Adv. Mater. 2021, 33, 2008062. https://doi.org/10.1002/adma.202008062 Abstract Flexible and stretchable antennas are important for wireless communication using wearable and implantable devices to address mechanical mismatch at the tissue–device interface. Emerging technologies of liquid-metal-based [...]

Ultra-Deformable and Tissue-Adhesive Liquid Metal Antennas with High Wireless Powering Efficiency2022-03-23T11:23:41+08:00

Multiphysics modeling and experiments of grayscale photopolymerization with application to microlens fabrication

Emami, M.M., Jamshidian, M., Rosen, D.W., “Multiphysics modeling and experiments of grayscale photopolymerization with application to microlens fabrication,” Journal of Manufacturing Science and Engineering, Vol. 143, paper 091005, Sept. 2021.  DOI: 10.1115/1.4050549 Abstract A phenomenological model of a single-shot grayscale photopolymerization process is developed and used within a virtual process planning framework for microlens fabrication. [...]

Multiphysics modeling and experiments of grayscale photopolymerization with application to microlens fabrication2022-03-23T11:23:41+08:00

Bayesian inference-based decision of fatigue life model for metal additive manufacturing considering effects of build orientation and post-processing

Doh, J., Kim, S., Raju, N., Raghavan, N., Rosen, D.W., “Bayesian Inference-Based Decision of Fatigue Life Model for Metal Additive Manufacturing Considering Effects of Build Orientation and Post-Processing,” International Journal of Fatigue, Vol. 155, paper 106535, 2021.  https://doi.org/10.1016/j.ijfatigue.2021.106535 Highlights Investigation of fatigue behavior for metal AM according to the manufacturing process. Uncertainty quantification of fatigue [...]

Bayesian inference-based decision of fatigue life model for metal additive manufacturing considering effects of build orientation and post-processing2022-03-23T11:23:41+08:00

Aerosol jet printing on paper substrate with conductive silver nano material

Chen, Yi-Dan, Nagarajan, Vijayasarathi, Rosen, David W., Yu, Wenwei, Huang, Shao Ying, Aerosol jet printing on paper substrate with conductive silver nano material, Journal of Manufacturing Processes Volume 58, October 2020, Pages 55-66, https://doi.org/10.1016/j.jmapro.2020.07.064  The SEM images of the top view and cross-sectional view of the printed structures when different numbers of layers are finished (i.e., printed and sintered) in the [...]

Aerosol jet printing on paper substrate with conductive silver nano material2022-03-23T11:23:42+08:00

Tuning Pressure Drop in Isoporous Membranes: Design with Fabrication Variability

Ong, S.K., Birgersson, E. and Low, H.Y. (2021), Tuning Pressure Drop in Isoporous Membranes: Design with Fabrication Variability. Adv. Theory Simul., 4: 2100088. https://doi.org/10.1002/adts.202100088  Abstract Isoporous membranes consist of well-defined micro and nanoscale pore architecture comprising uniform pore sizes with straight pore channels. In contrast to traditional random porous membranes with tortuous flow paths, isoporous membranes [...]

Tuning Pressure Drop in Isoporous Membranes: Design with Fabrication Variability2022-03-23T11:23:42+08:00

A Model-Based Reinforcement Learning and Correction Framework for Process Control of Robotic Wire Arc Additive Manufacturing

Abstract: Robotic Wire Arc Additive Manufacturing (WAAM) utilizes a robot arm as a motion system to build 3D metallic objects by depositing weld beads one above the other in a layer by layer fashion. A key part of this approach is the process study and control of Multi-Layer Multi-Bead (MLMB) deposition, which is [...]

A Model-Based Reinforcement Learning and Correction Framework for Process Control of Robotic Wire Arc Additive Manufacturing2022-03-23T11:23:42+08:00

Light Confinement in a 3D Space

The emerging services such as data center cloud interconnection services, ultra-bandwidth video services, and 5G mobile services stimulate the fast development of photonic integrated circuits (PIC), which can meet the increasing demand of communication systems for internet. However, PICs today are largely perceived as planar structures, able to guide light in a single plane. This [...]

Light Confinement in a 3D Space2022-03-23T11:23:42+08:00
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