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080716e19931101tnu s| f1|| ||eng|d |
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|a (TOE)10104198
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|a LA-UR--93-3658
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|a CONF-930676--63
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|a DE94002715
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|a E 1.99:CONF-930676--63
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| 245 |
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|a Dislocation theory of melting for iron, revisited.
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| 260 |
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|a Oak Ridge, Tenn. :
|b United States. Department of Energy. Technical Information Center ;
|a Oak Ridge, Tenn. :
|b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 1993.
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| 300 |
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|a 5 pages
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| 336 |
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|a text
|b txt
|2 rdacontent
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| 337 |
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|a computer
|b c
|2 rdamedia
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| 338 |
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|a online resource
|b cr
|2 rdacarrier
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| 500 |
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|a Published through the Information Bridge: DOE Scientific and Technical Information.
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| 500 |
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|c 11/01/1993.
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| 500 |
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|a "LA-UR--93-3658"
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| 500 |
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|a "CONF-930676--63"
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| 500 |
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|a " DE94002715"
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| 500 |
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|a 14. international conference of the International Association for the Advancement of High Pressure Science and Technology,Colorado Springs, CO (United States),27 Jun - 2 Jul 1993.
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| 500 |
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|a Shankland, T.J.; Poirier, J.P..
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| 500 |
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|a Los Alamos National Lab., NM (United States)
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| 500 |
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|a United States. Dept. of Energy. Washington, DC (United States);Paris-6 Univ., 75 (France). Inst. de Physique du Globe;Centre National de la Recherche Scientifique (CNRS), 75 - Paris (France)
|
| 520 |
3 |
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|a Melting point T{sub m} of iron at conditions of the Earths̀ inner core boundary (ICB) has been calculated from dislocation theory of melting in metals. Monte Carlo calculations were used to estimate uncertainties introduced by uncertainty in the geophysical parameters that are used in the calculations. These calculations take into account the effects of pressure at ICB conditions and of possible freezing point depression resulting from dilution of pure iron in the outer core. With this approach T{sub m} of pure {var_epsilon}-Fe at a pressure of 330 GPa and without freezing point depression is 6160 {plus_minus} 250 K; for a 1000 K freezing point depression it is 6110 K. T{sub m} of pure {gamma}-Fe is 6060 K, a value that is not significantly different. A possible {alpha}{prime} phase would melt at 5600 K. These values agree with calculated shock wave determinations of T{sub m}. Although calculated T{sub m} of the pure phase is little affected by assumptions about the extent of freezing point depression, the estimated temperature of the inner core boundary is lower by the breezing point depression, perhaps 500--1000 K less than T{sub m} of a pure phase.
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| 538 |
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|a Available via the World Wide Web.
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| 500 |
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|a DOE Technical report ; LA-UR--93-3658
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| 500 |
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|a DOE Technical report ; CONF-930676--63
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| 500 |
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|a Electronic resource.
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| 650 |
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4 |
|a Iron.
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| 650 |
|
4 |
|a Melting Points.
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| 650 |
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4 |
|a Earth Core.
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| 650 |
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4 |
|a Pressure Dependence.
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| 650 |
|
4 |
|a Very High Pressure.
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| 650 |
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0 |
|a Earth sciences.
|0 http://id.loc.gov/authorities/subjects/sh85040468
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| 650 |
|
4 |
|a Materials Science.
|
| 710 |
1 |
|
|a United States.
|b Department of Energy.
|b Technical Information Center.
|0 http://id.loc.gov/authorities/names/n78018245
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| 710 |
1 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|0 http://id.loc.gov/authorities/names/n84003987
|
| 856 |
4 |
0 |
|u http://www.osti.gov/servlets/purl/10104198-F4nZJp/native/
|z Connect to online resource - All users
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|a Michigan State University-Library of Michigan
|b Michigan State University
|c MSU Online Resource
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