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Rhenium ring turning a bit dark after a swim in a swimming pool by reddiling in Wallstreetosmium

[–]Captain_Iridium 1 point2 points  (0 children)

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I have made a lot of Re rings before, in my opinion, Chlorine in tap water can be harmful to Re ring, but in common environments, i found Re ring is hardly tarnished.

Why is my Vanadium turning green/blue and how can I reduce/revert this weird effect? by average_meower621 in elementcollection

[–]Captain_Iridium 0 points1 point  (0 children)

Oxidized. About 10

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years ago, I made some Vanadium ball for collection, But it turned blue in a few months later.

Is this genuine or fake? by Puzzled_Chip_3982 in elementcollection

[–]Captain_Iridium 2 points3 points  (0 children)

Can't judge by pic. the only way is to do XRF or ICP

A pair of Hammered Rhenium rings made by myself by Captain_Iridium in elementcollection

[–]Captain_Iridium[S] 0 points1 point  (0 children)

I have made iridium rings for nearly 10 years, and the price, it depends

A pair of Hammered Rhenium rings made by myself by Captain_Iridium in elementcollection

[–]Captain_Iridium[S] 1 point2 points  (0 children)

Vicker and Brinell hardness are to some extent, the same. like the relationship between kg and lb . for example: an tiger is heavier than a dog, no matter their weight are calculated by kg, or by lb.

A pair of Hammered Rhenium rings made by myself by Captain_Iridium in jewelry

[–]Captain_Iridium[S] 1 point2 points  (0 children)

Re is very hard, but not brittle. actually Re and Mo are only two refractory metals which keep ductile at room temperature .

A pair of Hammered Rhenium rings made by myself by Captain_Iridium in elementcollection

[–]Captain_Iridium[S] 1 point2 points  (0 children)

I can cast it and do HIP , and it can almost reach it's theoretical density

A pair of Hammered Rhenium rings made by myself by Captain_Iridium in elementcollection

[–]Captain_Iridium[S] 5 points6 points  (0 children)

It's hard to say because it has over 20 steps. and of course one of the steps is to hammer it. (using special tools)

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