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solid to liquid

solid to liquid - Physics Forum

solid to liquid - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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  #1  
Old 12-01-2004, 04:29 AM
bobmanc
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Default solid to liquid



Anyone know of a solid that changes to a liquid when subjected to an
electric charge (other than LCD)?
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  #2  
Old 12-01-2004, 11:04 AM
tadchem
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Default solid to liquid


"bobmanc" <[Only registered users see links. ]> wrote in message
news:3c5609ef.0411302029.3497c9f8@posting.google.c om...

Old-fashioned buss-type electric fuses change from solid to liquid when the
*rate* at which an electric charge passes through them (i.e. current)
exceeds a certain threshold.

Is that what you mean?


Tom Davidson
Richmond, VA


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  #3  
Old 12-01-2004, 12:21 PM
888
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Default solid to liquid


"bobmanc" <bobmanc@gmail.com> wrote in message
news:3c5609ef.0411302029.3497c9f8@posting.google.c om...
| Anyone know of a solid that changes to a liquid when subjected to an
| electric charge (other than LCD)?

Anything that conducts electricity turns to liquid (without presence of oxygen)
when a high current passes through it

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  #4  
Old 12-01-2004, 01:42 PM
N:dlzc D:aol T:com \(dlzc\)
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Default solid to liquid

Dear bobmanc:

"bobmanc" <[Only registered users see links. ]> wrote in message
news:3c5609ef.0411302029.3497c9f8@posting.google.c om...

A solid is a lower energy state than a liquid, in general. A static
electric charge has very little extra energy in it to "heat" the dielectric
barrier (your desired solid/liquid).

I know of solids that change *shape* when an electric charge is applied...
properly formed PVDF, certain crystals, etc. But the charge is not large.

David A. Smith


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  #5  
Old 12-08-2004, 07:29 AM
tadchem
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Default solid to liquid


"Rich Grise" <rich@example.net> wrote in message
newsan.2004.12.07.23.51.27.827813@example.net...

Strictly speaking, these fluids become more viscous when a field is applied,
rather than the other way around (as the OP asked). Nor do they become quite
solid.

Good answer, though. Perhaps the OP could ask a more specific question -
one that addresses the intended application.


Tom Davidson
Richmond, VA


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