Tetrataenite - L1[sub]0[/sub]-type FeNi • Physics Forums

Click For Summary

Tetrataenite, a mineral phase in meteoric iron, is being synthesized commercially to provide an alternative to rare earth element (REE)-based magnets. The synthesis process involves mixing iron and nickel in specific ratios with a phosphorus catalyst, allowing for rapid bulk production. This method could significantly alleviate the rare earth element crisis by offering a sustainable magnet solution. Recent advancements in synthesis techniques are being explored by various research groups. The potential of tetrataenite in manufacturing could lead to reduced reliance on rare earth materials in low-carbon technologies.

Oct 30, 2023

#1

Astronuc

Staff Emeritus

Science Advisor

Gold Member

Tetrataenite is one of the mineral phases found in meteoric iron.

Various groups are attempting to synthesize on a commercial scale to replace REE-based magnets.

https://en.wikipedia.org/wiki/Tetrataenite

Mixing iron and nickel together in specific quantities, with a phosphorus catalyst, and smelting the mixture, forms tetrataenite in bulk quantities, in seconds.

https://www.lpi.usra.edu/planetary_...nite-may-solve-the-rare-earth-element-crisis/

https://www.cam.ac.uk/research/news...-reduce-reliance-on-rare-earths-in-low-carbon

Thread 'Ground coffee freshness question'

Somewhat separate from the coffee advice of “buy whole beans, grind fresh at home daily”, I'm looking to understand the factors that contribute to purchased ground coffee losing freshness after opening (oxygen, humidity, temperature, time, other?). I'm assuming oxidation is the main factor, assuming normal room temperature and mid-range humidity. It appears (I'm having trouble finding good info on this) that a high quality modern pre-ground coffee is packaged in a way that maintains...

Tetrataenite - L1[sub]0[/sub]-type FeNi

Thread 'Ground coffee freshness question'

Similar threads

What ingredient(s) in the herbicide glyphosate is associated with carcinogens?

Ground coffee freshness question

How do you fabricate microfluidic chips in your lab?

What Happens to a Fluid Drop in a Vacuum? Insights from Recent Studies

Ultraclean graphene, electrical and thermal conductivity

Insights Thinking Outside The Box Versus Knowing What’s In The Box

Insights Why Entangled Photon-Polarization Qubits Violate Bell’s Inequality

Insights Quantum Entanglement is a Kinematic Fact, not a Dynamical Effect

Insights What Exactly is Dirac’s Delta Function? - Insight

Insights Relativator (Circular Slide-Rule): Simulated with Desmos - Insight

Insights Fixing Things Which Can Go Wrong With Complex Numbers