What is the material with the highest melting point?

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manlymatt83

Lifer
Oct 14, 2005
10,051
44
91
This morning my boss asks:

"Also, what is the material with the highest melting point? I need this
information for a side project."

We respond with:

"http://en.wikipedia.org/wiki/Tungsten"

He responds with:

"That's what I came up with, too, so that's the current winner. Is
there no alloy or weird ceramic or something that melts higher?
Tungsten isn't going to work for the side project."

So... I ask you ATOT. Is there anything else?!




 
HomeBrewerDude

HomeBrewerDude

Lifer
Jan 18, 2001
14,465
1
0
did you even read the wiki entry?

"it has the highest melting point of all the non-alloyed metals and the second highest of all the elements after carbon. "



 
silverpig

silverpig

Lifer
Jul 29, 2001
27,703
12
81
Originally posted by: HomeBrewerDude
did you even read the wiki entry:

"it has the highest melting point of all the non-alloyed metals and the second highest of all the elements after carbon. "
Click to expand...

Heh I was about to post the same thing.
 
I

Injury

Lifer
Jul 19, 2004
13,066
2
81
Originally posted by: silverpig
Oh, what is this side project?
Click to expand...

Perhaps his boss has been reading "Iron Man" comics lately and wants to build a suit of armor for himself.
 
U

uclaLabrat

Diamond Member
Aug 2, 2007
5,632
3,045
136
Probably some sort of aluminosilicate ceramic or whatever. Maybe zeolites? They use ceramics for the heat shields on the space shuttle.
 
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MegaVovaN

Diamond Member
May 20, 2005
4,131
0
0
Probably they do NOT use carbon in space shuttles because
a) ceramic is strong (carbon is not) and
b) temp is not high enough to melt ceramics
 
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Itchrelief

Golden Member
Dec 20, 2005
1,398
0
71
Try looking up those nickel based alloys used in jet engine turbine blades? Or whatever they use to line industrial furnaces and such? I'm no materials engineer, but even if you had one available to ask questions to, he'd probably want to know what the heck you were trying to do with this material before he could give a useful answer.
 
CPA

CPA

Elite Member
Nov 19, 2001
30,322
4
0
Originally posted by: michaelsslave
Originally posted by: Queasy
Steel according to Rosie O'Donnell.
Click to expand...

rofl, when did she say thAT?
Click to expand...

It's the 9/11 conspiracy freaks main argument. Weakest argument EVAR!
 
Bill Brasky

Bill Brasky

Diamond Member
May 18, 2006
4,324
1
0
Text

"Tantalum hafnium carbide (Ta4HfC5) is a refractory compound with an extremely high melting point of 4488 K (4215 °C, 7619 °F). This is one of the compounds with the highest melting point known, and is even higher than that of tungsten which is 3695K."
 
BrunoPuntzJones

BrunoPuntzJones

Lifer
Feb 24, 2001
14,513
4
81
Originally posted by: Itchrelief
Try looking up those nickel based alloys used in jet engine turbine blades? Or whatever they use to line industrial furnaces and such? I'm no materials engineer, but even if you had one available to ask questions to, he'd probably want to know what the heck you were trying to do with this material before he could give a useful answer.
Click to expand...

Someone watched Modern Marvels last night :D
 
T

Tiamat

Lifer
Nov 25, 2003
14,068
5
71
The chemical element with the highest melting point is tungsten, at 3695 K (3422 °C, 6192 °F) making it excellent for use as filaments in light bulbs. The often-cited carbon does not melt at ambient pressure but sublimates at about 4000 K; a liquid phase only exists above pressures of 10 MPa and estimated 4300?4700 K. Tantalum hafnium carbide (Ta4HfC5) is a refractory compound with a very high melting point of 4488 K (4215 °C, 7619 °F).[2] At the other end of the scale, helium does not freeze at all at normal pressure, even at temperatures infinitesimally close to absolute zero; pressures over 20 times normal atmospheric pressure are necessary {1}.
 
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