Now all we need to do is build an invincible giant robot out of it, to protect peace and justice from the forces of evil. https://en.wikipedia.org/wiki/Mazinger_Z https://en.wikipedia.org/wiki/Chogokin
World-First 'Super Alloy' Could Transform the Way Metals Are Made
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Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#12I guess I'm not impressed that some totally different alloy is stronger than steel. You can't change both method and alloy and claim that the method is better. Presumably the paper compared the same alloy using the normal and the new method, but this article omitted that essential information, and in so doing destroyed the result.
Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#13I guess I'm not impressed that some totally different alloy is stronger than steel. You can't change both method and alloy and claim that the method is better. Presumably the paper compared the same alloy using the normal and the new method, but this article omitted that essential information, and in so doing destroyed the result.
I think that’s right, yes… from TFA:
> It's two times stronger than steel, three times stronger than aluminum, and twice as strong as the same alloy made in a conventional way.
The source paper in Science, fwiw:
https://www.science.org/doi/10.1126/science.aec4995
And as a personal exercise in intellectual humility, I cast my eyes over the supplementary materials (as those are free-to-the-public)… I’d recommend it:
https://www.science.org/doi/suppl/10.1126/science.aec4995/su...
I get a huge thrill out of looking at serious work outside my expertise. When I’m tempted to imagine the proposition is as simple as it seems from the headline (or the article, or the editor’s note, or the abstract), it excites me to remember just how deeply and carefully and thoroughly people think through things I barely understand.
Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#14Presumably, some initial information was fed into the start of this reporting process. Multiple stages of this process had near-total incomprehension of the information yet performed full ingestion and reconstitution of it anyway, leading to this terminally-confused output.
PhD Comics: The science news cycle (2009)
Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#15Hm I just read an article here recently that was saying that Americans had an edge in jet turbine blades production over china because Americans figured out how to make single crystal jet turbines using this same method. I wonder what the difference is.
Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#16Hm I just read an article here recently that was saying that Americans had an edge in jet turbine blades production over china because Americans figured out how to make single crystal jet turbines using this same method. I wonder what the difference is.
So far as I know you could say Americans, but it is specifically Canada that most of the best engines are coming out of. Maybe Pratt and Whitney are using blades from USA, IDK, but anyone in jet aviation will be able to tell you the world would be fucked without Pratt.
Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#17>It's two times stronger than steel, three times stronger than aluminum, and twice as strong as the same alloy made in a conventional way.
Ugh. The most basic bitch metallurgy discussion possible.
Oh! It’s stronger than aluminum?! So is bronze, we’ve hard that for awhile! Is the new material lighter than aluminum while being stronger? Is it corrosion resistant? Is it machinable? Can you weld it? Does it oxidize? Does it lose all its strength under moderate heat? Does it temper, do you have to temper it? Is it inert? Can it extrude? Can it be formed into billet or just plate/bar? Does it shatter?
Oh but 2x stronger than and 3x stronger than … is that 2024 aluminum? 6061 common, 7075 aero? Is the steel cold roll or 600-series inconel?
This is an area where if you don’t know what you are talking about, STFU, because anything you say is just going to be embarrassing. This is a you don’t know what you don’t know topic.
As to “high entropy metals”, I’ve heard about this for awhile, I would expect it to be stupid low yield, stupid expensive, and hard to use. There is probably some grade-40 titanium ultra alloy that could make the same “strength” claims but no articles about it because it’s “cost prohibitive”.
… I count this as clickbait metallurgy. No thanks.
Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#18Hm I just read an article here recently that was saying that Americans had an edge in jet turbine blades production over china because Americans figured out how to make single crystal jet turbines using this same method. I wonder what the difference is.
An edge that dates back to the late 60's/early 70's? How soft is that edge by now?
Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#19>It's two times stronger than steel, three times stronger than aluminum, and twice as strong as the same alloy made in a conventional way. Ugh. The most basic bitch metallurgy discussion possible. Oh! It’s stronger than aluminum?! So is bronze, we’ve hard that for awhile! Is the new material lighter than aluminum while being stronger? Is it corrosion resistant? Is it machinable? Can you weld it? Does it oxidize? Does…
"How dare this Science paper summary designed for mass consumption, not meet my personal standards of metallurgical detail! Don't they know I read them?!"
Re: World-First 'Super Alloy' Could Transform the Way Metals Are Made
#20Hm I just read an article here recently that was saying that Americans had an edge in jet turbine blades production over china because Americans figured out how to make single crystal jet turbines using this same method. I wonder what the difference is.
The Veritasium video on how jet engine turbine blades are "grown" in an aligned crystalline structure for enhanced material properties (e.g. thermal performance) is absolutely fascinating & well worth a watch: