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Forums
4hv.org :: Forums :: Chemistry
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Magnetically shapeable alloy?
Move Thread LAN_403
Conundrum
Sat Aug 19 2006, 08:20PM Print
Conundrum Registered Member #96 Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4059
 		Hi all.
Remember that alloy which melts in hot water? (Bi3InSn2Pb) ?

I had a thought. Is it feasible to introduce a very small percentage of iron or nickel into the alloy to make it formable using a magnetic field?

On cooling it would then retain its shape :)

This would be incredibly useful for a number of projects including custom optical mounts, as well as any project requiring rapid prototyping..

-A
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Electroholic
Sat Aug 19 2006, 08:50PM
Electroholic Registered Member #191 Joined: Fri Feb 17 2006, 02:01AM
Location: Esbjerg Denmark
Posts: 720
 		how about polymorph?
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Conundrum
Sat Aug 19 2006, 08:59PM
Conundrum Registered Member #96 Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4059
 		Hmm. The viscosity would be a bit high but it might work.

I already tried mixing some with strontium aluminate and melting it with a heat gun- might be worth someone testing this with iron powder.

-A
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Steve Conner
Sun Aug 20 2006, 01:02PM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
 		Why don't you try it, since you said you have some of the stuff.
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thermite
Mon Feb 18 2008, 12:49AM
thermite Banned on 02/27/2008
Registered Member #1326 Joined: Sun Feb 17 2008, 11:19PM
Location:
Posts: 49
Conundrum wrote ...

Hmm. The viscosity would be a bit high but it might work.

I already tried mixing some with strontium aluminate and melting it with a heat gun- might be worth someone testing this with iron powder.

-A

Why did you use Sr-aluminate ? how did you make it? whats its MP ? and where did you get Sr ?
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