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A novel package for high power density SIC power modules

This study introduces a novel package for high-power density SiC power modules using stacked DBC packaging, enabling the parallel connection of more chips. The design reduces parasitic inductance and increases current carrying capacity, resulting in improved electrical performance and manufacturing efficiency.

SourceCES Transactions on Electrical Machines and Systems·JournalCES Transactions on Electrical Machines and Systems·TypeExperimental study·DateJun 23, 2024

Making remanufacturing profitable

Remanufacturing is a process that transforms end-of-life products into new ones, offering economic benefits and environmental advantages. Companies need to invest time and energy to adopt this approach, but it can lead to increased profitability and sustainability.

Tiny crop-health sensors could help cut the cost of groceries

Researchers developed a compact sensor system with infrared imaging capabilities that can be fitted to drones for remote crop monitoring. The system can rapidly switch between edge detection and detailed infrared imaging, allowing farmers to pinpoint specific crop needs and boost harvests.

SourceRMIT University·JournalNature Communications·TypeExperimental study·DateJun 5, 2024

Study suggests ‘biodegradable’ teabags don’t readily deteriorate in the environment and can adversely affect terrestrial species

A new study found that biodegradable teabags made from polylactic acid (PLA) can take years to break down in soil and cause harm to earthworms. The research highlights the need for clear disposal information on product packaging, as many manufacturers are not providing accurate guidance.

SourceUniversity of Plymouth·JournalScience of The Total Environment·TypeExperimental study·DateMay 28, 2024

New technique improves finishing time for 3D printed machine parts

Researchers at North Carolina State University have developed a technique that automates quality control during the finishing process of 3D printed metal machine parts. This approach allows users to identify potential flaws without removing parts from equipment, making production time more efficient.

SourceNorth Carolina State University·JournalInternational Journal of Manufacturing Technology and Management·TypeExperimental study·DateMay 14, 2024

Polar-coordinate line-projection light-curing continuous 3D printing for ultra-thin multi-material tubular structures

Researchers developed a novel 3D printing technology that can print multi-material tubular structures as thin as 50 micrometers. The technology, called Polar-coordinate Line-projection Light-curing Production (PLLP), uses a rotating mandrel and patterned light illumination to create complex structures.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateApr 30, 2024

Bringing bio-inspired robots to life

Eric Markvicka is developing a manufacturing approach to produce novel liquid metal mixtures with enhanced properties, including thermal and electrical conductivity. These mixtures can be used in additive manufacturing and accelerate momentum toward 4D printing, enabling the creation of machines that mimic biological organisms.

Control of temperature dependent viscosity for manufacturing of Bi-doped active fiber

Researchers developed a novel temperature-dependent viscosity mediated strategy to control Bi dopant deactivation during fiber drawing. A borate glass system with faster viscosity changing rate was created, resulting in the first demonstration of on-off gain in a Bi-doped borate fiber system.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateApr 16, 2024

In-situ alloying of NiTiNb shape memory alloys by additive manufacturing

Scientists at Shandong University have created a novel approach to fabricate high-performance NiTiNb shape memory alloys using laser powder bed fusion. The in-situ alloying process yields good mechanical and functional properties, surpassing conventional casting methods. By integrating material synthesis and structure forming, research...

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateApr 16, 2024

Global North energy outsourcing demands more attention

A new study reveals that Global North countries' outsourcing of energy-intensive industrial processes to the Global South leads to greater carbon emissions and environmental damage. The researchers urge both regions to work together to address this issue, promoting energy equity and sustainability.

SourceUniversity of Birmingham·JournalEnergy Economics·TypeData/statistical analysis·DateApr 15, 2024

UIC engineers ‘symphonize’ cleaner ammonia production

University of Illinois Chicago engineers have developed a new ammonia production process that meets several green targets. The process combines nitrogen gas and ethanol with a charged lithium electrode, producing ammonia at low temperatures and regenerating materials with each cycle. If scaled up, the process could produce ammonia at 6...

SourceUniversity of Illinois Chicago·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateApr 1, 2024

Milk on ice: Antarctic time capsule of whole milk powder sheds light on the enduring qualities—and evolution—of dairy products past and present

A new study compares ancient and modern whole milk powders, revealing surprisingly similar compositions despite advancements in dairy production. The analysis of a 100-year-old Antarctic sample shows that key nutrients and protein structures remain largely unchanged.

SourceElsevier·JournalJournal of Dairy Science·TypeExperimental study·DateMar 27, 2024

New route to recyclable polymers from plants

Researchers have created a method to make fully recyclable polymers from plant cellulose, which can replace some plastics and reduce plastic pollution. The new polymers have various structures that offer different applications, including high-performance materials for optical, electronic, and biomedical uses.

SourceHokkaido University·JournalACS Macro Letters·TypeExperimental study·DateMar 20, 2024

Recreational activities such as golfing, gardening may be associated with increased ALS risk among men

A study by Michigan Medicine found that recreational activities such as golfing, gardening, and woodworking may increase the risk of developing amyotrophic lateral sclerosis (ALS) in men. The study surveyed over 700 individuals with and without ALS to assess their hobbies and non-work related activities.

SourceMichigan Medicine - University of Michigan·JournalJournal of the Neurological Sciences·TypeData/statistical analysis·DateMar 13, 2024

New high-speed microscale 3D printing technique

Researchers have introduced a more efficient processing technique that enables scalable fabrication of custom microscale particles for applications in drug delivery, microelectronics, and abrasives. This process, called roll-to-roll CLIP, achieves unprecedented fabrication rates while preserving high resolution.

SourceStanford University·JournalNature·DateMar 13, 2024

Prepare workers to weather time shocks

The study identifies three patterns of resilience: adjusting, absorbing, and adopting, each with strengths and weaknesses. Strategies include flexible deadlines, margins, bite-sized shifts, patience, and recognizing time as a fundamental element for dealing with environmental changes.

SourceUniversity of Texas at Austin·JournalAcademy of Management Review·TypeLiterature review·DateMar 7, 2024

AI-driven lab speeds catalysis research

Researchers developed an AI-driven lab called Fast-Cat that uses artificial intelligence to provide in-depth analyses of catalytic reactions. The tool conducts high-temperature gas-liquid reactions and analyzes results to determine how different variables affect the outcome of each experiment.

SourceNorth Carolina State University·JournalNature Chemical Engineering·TypeExperimental study·DateFeb 27, 2024

3D printed titanium structure shows supernatural strength

Researchers at RMIT University created a 50% stronger titanium lattice cube than the strongest alloy of similar density used in aerospace applications. The material's unique lattice structure design distributes stress evenly, making it suitable for medical devices, aircraft, and rocket parts.

SourceRMIT University·JournalAdvanced Materials·TypeExperimental study·DateFeb 25, 2024

NTU Singapore scientists produce innovative ultrathin and stretchable electronics with wide range of applications in health and wellness

Researchers at Nanyang Technological University, Singapore, have created soft electronic sensors that can detect bioelectric signals from skin, muscles, and organs. These sensors empower individuals with limb disabilities to control robotic prostheses, machinery, and motorized wheelchairs using alternative muscle movements.

Scientists open door to achieving high-precision 'slippery structural hydrogel'

Researchers introduce trehalose into hydrogels to form hydrogen bond interactions, improving dehydration resistance, lubrication performance, mechanical properties, and manufacturing accuracy. This discovery proposes a new design principle for high-precision manufacturing of hydrogel materials.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJan 15, 2024

From PIC to probe

A team of researchers at Ghent University and imec developed a silicon photonic temperature sensor that measures up to 180°C. The sensor was realized in the framework of the European SEER project, where partners focus on integrating optical sensors in manufacturing routines for composite parts.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Optical Microsystems·DateDec 15, 2023

Laser additive manufacturing: Listening for defects as they happen

A team of researchers at EPFL has successfully challenged the reliability of acoustic monitoring for detecting defects in laser additive manufacturing. By analyzing shifts in the acoustic signal during regime transitions, they identified defects in real-time, providing a cost-effective solution to improve product quality and integrity.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·TypeExperimental study·DateDec 5, 2023

SMART researchers pave the way for faster and safer T-cell therapy through novel contamination-detection method

A novel contamination-detection method enables faster and safer T-cell therapy production, reducing the risk for patients and speeding up treatment. The method uses cutting-edge technology to identify harmful microorganisms within 24 hours.

SourceSingapore-MIT Alliance for Research and Technology (SMART)·JournalMicrobiology Spectrum·TypeRandomized controlled/clinical trial·DateNov 27, 2023

Researchers obtain promising results against capacity loss in vanadium batteries

A computational study conducted by Brazilian researchers found that current density and active species concentration are the main variables affecting capacity loss. The approach successfully mitigated cross-contamination, providing an optimal flow between electrolyte tanks under different operating conditions.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalChemical Engineering Journal·DateNov 22, 2023

Additively manufactured Ti-Ta-Cu alloys: A potential replacement of Ti6Al4V for the next-generation load-bearing implants

Researchers have developed additively manufactured Ti-Ta-Cu alloys that exhibit improved biocompatibility and bacterial resistance, making them a promising alternative to traditional Ti6Al4V implants. The alloys were found to display remarkable synergistic effects in improving both in vivo biocompatibility and microbial resistance.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateNov 20, 2023