ELI5, why do MRIs not burn patients with titanium plates internally from eddy current?

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Are the eddy currents induced by MRIs too insufficient to see rapid temperature increase? I understand MRIs are incredibly attracted to ferrous material, but what happens to non-ferrous metals in the body?

In: Physics

3 Answers

Anonymous 0 Comments

In short, for the same reason that they don’t ping at airports: it not 100% pure titanium but an alloy of several different things that are made to be as unobtrusive to the human body as possible, which means that both the alloy and the mri are made to “ignore” each other, for lack of a better word.

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Source: got a few nails in my leg.

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