Posted on 01/27/2024 5:58:17 AM PST by Red Badger
Scientists applied a simple approach for growing hBN films on the surface of ubiquitous steels and other metal alloys to “armor” them and thus increase their capabilities. Credit: Adam Malin/ORNL, U.S. Dept. of Energy
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Hexagonal boron nitride coatings on metal alloys enhance durability, reduce friction, and protect against harsh conditions, paving the way for improvements in solar panels, semiconductors, and aerospace components.
Researchers demonstrated that stainless steel and other metal alloys coated with hexagonal boron nitride, or hBN, exhibit non-stick or low-friction qualities along with improved long-term protection against harsh corrosion and high-temperature oxidation in air.
Metal alloys — mixtures of two or more metals — are created to be strong, durable, and resistant to corrosion or oxidation. By adding coatings, or “armor,” to make those materials even tougher, scientists could enhance existing products and enable the creation of new, innovative ones.
Applications of Armored Metal Alloys
For example, armoring may boost the ability of solar panels to conduct heat and resist environmental factors. Additionally, it allows semiconductors to maintain proper operating temperature, and aerospace turbine blades to guard against wear, reduce friction and withstand hot conditions.
Innovative Coating Process
The hBN coatings are produced from a combination of solid boron sources and molecular nitrogen by using a process called atmospheric pressure chemical vapor deposition.
“This synthesis technique addresses scalability issues such as cost and process safety in applications where those aspects have been problematic,” said ORNL’s Ivan Vlassiouk, who led the study. “Besides providing a versatile protective layer for steels and metals, using this process to synthesize single- and few-layer hBN for emerging two-dimensional electronic and photonic devices could improve their performance.”
Reference:
“Armor for Steel: Facile Synthesis of Hexagonal Boron Nitride Films on Various Substrates”
by Ivan Vlassiouk, Sergei Smirnov, Alexander Puretzky, Olugbenga Olunloyo, David B. Geohegan, Ondrej Dyck, Andrew R. Lupini, Raymond R. Unocic, Harry M. Meyer, Kai Xiao, Dayrl Briggs, Nickolay Lavrik, Jong Keum, Ercan Cakmak, Sumner B. Harris, Marti Checa, Liam Collins, John Lasseter, Reece Emery, John Rayle, Philip D. Rack, Yijing Stehle, Pavan Chaturvedi, Piran R. Kidambi, Gong Gu and Ilia Ivanov, 20 October 2023, Advanced Materials Interfaces.
DOI: 10.1002/admi.202300704
Coming to your cell phone case.
It will be used to make a better non-stick skillet. Yeah!
How about all of the metal components in vehicles, bodies, frames, tubing, brake rotors, etc.?
Hexclad cookware. We have some, works great!
Perhaps even firearms.
They’ve carried it at Costco for a long time. Now Gordon Ramsey is pushing it on his cooking shows, he’s their spokesman. Looks OK, but I haven’t bought in. And obviously that’s very different from the coating discussed in the OP.
Woohoo- I can coat our old Ford Rustang with it!
Cold-rolled case-hardened nickel-plate tungsten-vanadium-molybdenum armor grade alloy steel. Yeah, that’s the ticket!
Buildings and structures in marine/saltwater environments.
To be used in ‘terminator’ construction?
From The article: This synthesis technique addresses scalability issues such as cost and process safety in applications where those aspects have been problematic.
It’s the application process not the actual material.
It has Nitrogen in it, and will kill us all.
I've been coating bullets with it for years. It significantly increases bore life and dramatically decreases cold bore fliers. Less trouble to apply and slicker than moly.
“brake rotors”
Article says reduces friction - not so good for brakes.
The word delamination making no sense as the rotors are not laminated, but one piece.
However when they rust, it looks like layers, so hence the word, I guess.
#5 I bought the 12” pan. Nice but I can still taste the non stick coating. I bought a inexpensive $40 Cuisinart stainless pan to use instead.
Piston rings?
I don’t think you would want your brakes permanently lubricated.
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.