Results 131 to 140 of about 29,880 (391)

A Carrier Signal Approach for Intermittent Fault Detection and Health Monitoring for Electronics Interconnections System [PDF]

, 2015
: Intermittent faults are completely missed out by traditional monitoring and detection techniques due to non-stationary nature of signals. These are the incipient events of a precursor of permanent faults to come.
Ahmad, Syed Wakil, Jennions, Ian K., Perinpanayagam, Suresh, Samie, Mohammad   +3 more
core   +1 more source

Skeletal High‐Strength Nanoporous Copper and Metamaterials: The Hakka Tulou Design Heritage

Advanced Materials, EarlyView.
Inspired by the Hakka Tulou walls, skeletal nanoporous copper is fabricated via a two‐phase MnCu precursor and controlled dealloying. This strategy achieves high strength (200 MPa) and large specific surface area (27.6 m2/g), and extends to lattice metamaterials with hierarchical porosity, offering new design pathways for multifunctional metal ...
Haozhang Zhong, Tingting Song, Hongmei Liu, Chuanwei Li, Chenguang Li, Ming Wen, Zheda Ning, Jianfeng Gu, Ma Qian   +8 more
wiley   +1 more source

Arc length monitoring and closed-loop quality control for GTA-WAAM

Virtual and Physical Prototyping
This study aims to enhance the monitoring and control of arc length in Wire Arc Additive Manufacturing with Gas Tungsten Arc (GTA-WAAM). Accurate measurement and closed-loop control of arc length in WAAM is challenging, especially under conditions of low
Jiashun Si, Longxi Luo, Changmeng Liu, Jiping Lu   +3 more
doaj   +1 more source

Sacrificial Biofabrication for Vascularization: Concept, Materials, Technologies, and Applications

Advanced Materials, EarlyView.
Vasculature is indispensable for tissue viability in regenerative medicine. The sacrificial biofabrication enables precise fabrication of vascular channels by using temporary templates that are subsequently removed. This review defines the concept and delves into sacrificial materials, surrounding materials, fabrication technologies, and biomedical ...
Jiezhong Shi, Chunyao Wang, Xuan Mei, Ben Zhang, Junxi Wu, Rylie A. Green, Yu Shrike Zhang, Wenmiao Shu   +7 more
wiley   +1 more source

High Pressure Interpass Rolling of Wire + Arc Additively Manufactured Titanium Components [PDF]

, 2014
Paul A. Colegrove, Filomeno Martina, M.J. Roy, Blanka A. Szost, S. Terzi, Stewart Williams, Philip J. Withers, D.J. Jarvis   +7 more
openalex   +1 more source

Iron‐Catalyzed Laser‐Induced Graphitization Enabling Current Collector‐Free Electrodes With Spatially Tunable Iron/Iron Oxide Phases

Advanced Materials, EarlyView.
Iron‐catalyzed laser‐induced graphitization (IC‐LIG) enables the eco‐efficient fabrication of current collector‐free carbon electrodes on renewable substrates, outperforming traditional methods. Tunable ink rheology supports spray coating, screen printing, and DIW of complex patterns, while laser post‐treatment allows spatial control of iron phases ...
Christopher H. Dreimol, Jesper Edberg, Ronny Kürsteiner, Maximilian Ritter, Sophie Koch, Annapaola Parrilli, Robert O. Kindler, Robert Brooke, Susanna Tinello, Sandro Stucki, Simon Bryner, Gerd Simons, Guido Panzarasa, Ingo Burgert   +13 more
wiley   +1 more source

Microstructure transformation and mechanical behavior in NiTi alloys fabricated by dissimilar double wires arc additive manufacturing

Journal of Materials Research and Technology
In traditional wire arc additive manufacturing process, it is difficult to control the chemical composition of deposition layer. A double filler wire with alternating current was proposed to fabricate the NiTi alloy.
Xueping Song, Jiankang Huang, Xiaoquan Yu, Jia Zhang, Jianzhou Xu, Ding Fan   +5 more
doaj   +1 more source

GMAW Cold Wire Technology for Adjusting the Ferrite–Austenite Ratio of Wire and Arc Additive Manufactured Duplex Stainless Steel Components

Metals, 2019
The use of commercially available filler metals for wire and arc additive manufacturing (WAAM) of duplex stainless steel components results in a microstructure with a very low ferrite content.
Juliane Stützer, Tom Totzauer, Benjamin Wittig, Manuela Zinke, Sven Jüttner   +4 more
doaj   +1 more source

Autonomous Implants

Advanced Materials, EarlyView.
An ideal implant should mimic native tissues such that it can integrate, sense, heal, and continue to function, i.e., be autonomous. Although early, there are good steps taken in this way, e.g., the development of stimuli‐responsive, self‐powering, self‐actuating, self‐healing, self‐regenerating, and self‐aware implants.
Jagan Mohan Dodda, Marcel F. Kunrath, Ling Zhou Zhao, Mahdi Bodaghi, Armin Yousefi, Nureddin Ashammakhi   +5 more
wiley   +1 more source

Additive manufacture of superduplex stainless steel using WAAM

MATEC Web of Conferences, 2018
Superduplex stainless steels have been used in the oil and gas industry for a couple of decades due to the combination of excellent mechanical properties and corrosion resistance.
Eriksson Magnus, Lervåg Malin, Sørensen Camilla, Robertstad Andreas, Brønstad Bård M., Nyhus Bård, Aune Ragnhild, Ren Xiaobo, Akselsen Odd M.   +8 more
doaj   +1 more source