Black Diamond "PosiWire" Quick-Draw Set. (1 draw)
Top: Straight gate Positron. (Anodised Ink Blue)
Bottom: HotWire Wire gate. (Anodised Ink Blue) Dogbone: 12cm long and 14mm wide. SPECIAL price per quick-draw until Sold Out! $24.00
Chockstone Forum - Gear Lust / Lost & Found
Rave About Your Rack Please do not post retail SPAM.
I dunno about anyone else, but I think the idea of bell-curve bolt strength is marvelous............"ooooh, be careful of those things, they look really shiney and new!" hahahhahahhaha
Then again, I reckon the greatest acheivement of australian climbing, perhaps even world climbing, was the seatbelt-as-pro concept which Mikl pioneered. So I understand that others may not see the awesomeness of bell-bolts
I believe that the volume increase in by a factor of just over 9.
The change from Fe to Fe2O3.(nH2O) causes an increase in volume due to a combination of oxidation, hydration and the re-alignment of the chemical constituents. Steel generally has densely packed atoms with a strong alignment of its crystalline structure (depending on the production process). Hence its high weight per volume. Hydrated iron(II) oxide, or rust, has a very loose crystalline structure. The H2O component is not permanently bound to the Fe2O3 and is a significant factor in volume increases.
On 9/12/2010 The good Dr wrote:
>I believe that the volume increase in by a factor of just over 9.
wild guess on my part, sorry
Magnetite is a different oxidation state (Fe2+?), I wouldn't have thought it would occur on climbing gear, but look at this piton with wierd concoidal fracures in the 'rust'
Fell out of the start of Lief Ericcson
There are 23 messages in this topic.
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