Difference between revisions of "Upgrade/RFFoil/WoodsMetal"
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| − | Wood's metal is an | + | Wood's metal is an alloy with a low melting point, about 60 degrees C. A lot of information on Woods metal can just be found on WikiPedia: |
http://en.wikipedia.org/wiki/Wood%27s_metal | http://en.wikipedia.org/wiki/Wood%27s_metal | ||
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What do we need to look at to decide which one we use? | What do we need to look at to decide which one we use? | ||
| − | * difference in melting temperature | + | * difference in expansion coefficient? |
| + | * difference in melting temperature/conductivity? (how warm could foil become while machining?) | ||
* difference in toxity: Field's metal does not contain lead and less bismuth | * difference in toxity: Field's metal does not contain lead and less bismuth | ||
* Al affinity: how easy can we get it off? | * Al affinity: how easy can we get it off? | ||
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* recoverability: stuff is rather expensive (count 5 liter for final box?). how well can we recover it? | * recoverability: stuff is rather expensive (count 5 liter for final box?). how well can we recover it? | ||