Search results for metal fatigue

Materials Science Apr 23, 2024

Unconventional technology enhances composites important to automotive, aerospace and renewable energy industries

Scientists at the Department of Energy's Oak Ridge National Laboratory have developed a method that demonstrates how fiber-reinforced polymer composite materials used in the automotive, aerospace and renewable energy industries ...

Condensed Matter Jan 23, 2024

Quantum magnetometers detect smallest material defects at an early stage

Quantum magnetometers are able to detect and visualize the tiniest damage in ferromagnetic materials. In aerospace technology or the automotive industry, they can help to significantly increase the resilience and safety of ...

Materials Science Dec 20, 2023

Adding a small amount of solid carbon to copper boosts its conductivity

A common carbon compound is enabling remarkable performance enhancements when mixed in just the right proportion with copper to make electrical wires. It's a phenomenon that defies conventional wisdom about how metals conduct ...

Bio & Medicine Sep 8, 2023

Synthesis of nanoparticles by microorganisms: Exploring the green power of fungi

They are used as medicines, drug carriers and to combat microbes in hospitals, destroy plant pathogens and reduce the amount of traditional fertilizers used in agriculture—nanoparticles are taking over medicine and the ...

Engineering Aug 26, 2023

Observation of autonomous crack healing in metal confirms 2013 prediction

A microscopic crack grew in a very small piece of platinum when placed under repetitive stretching. The experiment, designed to study fatigue crack growth, continued as predicted for a while before something unexpected happened. ...

Analytical Chemistry Jul 19, 2023

'Stunning' discovery: Metals can heal themselves

Scientists for the first time have witnessed pieces of metal crack, then fuse back together without any human intervention, overturning fundamental scientific theories in the process. If the newly discovered phenomenon can ...

Analytical Chemistry Jul 13, 2023

Investigating the porous metals in orthopedic implants and beyond

Prof. Amit Bandyopadhyay's group from Washington State University presents a knowledge-based discussion of the challenges and possible future directions for the fabrication and application of porous metallic implants.

General Physics Jun 6, 2023

Elastocaloric cooling system opens door to climate-friendly AC

Air conditioning, refrigeration, and other cooling technologies account for more than 20 percent of today's global energy consumption, while the refrigerants they use have a global warming potential thousands of times greater ...

General Physics Apr 20, 2023

Novel durable copper-aluminum-zinc shape memory alloys for energy-efficient refrigeration

The elastocaloric effect is a phenomenon where a material displays a temperature change when it is exposed to a mechanical stress. The change in temperature occurs due to an entropy difference resulting from a martensitic ...

Bio & Medicine Mar 9, 2023

Tireless microbial killers in new nanocomposites

They kill with a molecular sting or oxidative shock and don't know the meaning of fatigue. The latest biocidal nanocomposites, designed and synthesized by scientists at the Institute of Nuclear Physics of the Polish Academy ...

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