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Environment & Energy

eppur_se_muova

(42,050 posts)

2. You've pointed out before that Technetium (almost exclusively Tc-99, IIRC) is used as an alloying element in ...

Reply to NNadir (Original post)

Sun Apr 12, 2026, 11:07 AM

Sunday

helicopter turbine blades (and maybe some other superalloy applications), where its bulk radioactivity seems to be acceptable given its considerable advantages in that niche application. I'm aware that Pd is sometimes used as a minor constituent in other alloys, such as Ti-Al and Ti-Al-Si (one of which, Ti4Al11Si, I believe you introduced me to indirectly) in the amount of

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Improved efficiency of selective photoionization of palladium isotopes via autoionizing Rydberg states. [View all] NNadir Sunday OP

That is the sexiest subject line I've seen in weeks Orrex Sunday #1

I had not thought of the title as "sexy," but you know, now that you mention it, I like doing so. Thank... NNadir Yesterday #3

Note that this exciting topic is turned into criticism of renewable energy thought crime 16 hrs ago #5

You've pointed out before that Technetium (almost exclusively Tc-99, IIRC) is used as an alloying element in ... eppur_se_muova Sunday #2

I don't recall discussing Ti/Al/Si alloys although I may have. NNadir 17 hrs ago #4

Oops, I don't know what happened to the rest of my post. I remember typing it, but maybe that's the point at which eppur_se_muova 15 hrs ago #6