An equation of state for molybdenum and tungsten
An equation of state (EOS) recently formulated by Shanker and Kushwah has been used for calculating the volumes of molybdenum (Mo) and tungsten (W) at simultaneously elevated pressures and temperatures. The results are obtained up to a pressure of 300 GPa and up to a temperature of nearly 7000 K. Th...
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| Veröffentlicht in: | Physica. B, Condensed matter Condensed matter, 2003-12, Vol.339 (4), p.193-197 |
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| container_title | Physica. B, Condensed matter |
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| creator | Kushwah, S.S Sharma, M.P Tomar, Y.S |
| description | An equation of state (EOS) recently formulated by Shanker and Kushwah has been used for calculating the volumes of molybdenum (Mo) and tungsten (W) at simultaneously elevated pressures and temperatures. The results are obtained up to a pressure of 300
GPa and up to a temperature of nearly 7000
K. The values of thermal pressure have been calculated using the formulation given by Anderson and Isaak which takes into account the effect of thermal excitation of electrons. The Shanker–Kushwah EOS has been found most suitable for the materials for which the pressure derivative of isothermal bulk modulus at
P=0, i.e.
K
0′ is less than four. The solids Mo and W satisfy this condition. The values of volumes and isothermal bulk modulus calculated at different temperatures and pressures are found to present close agreement with the experimental data based on shock wave measurements reinforcing the validity of the equation of state used. The results based on the Shanker–Kushwah EOS are found to compare well with the corresponding values derived from the Vinet EOS. |
| doi_str_mv | 10.1016/j.physb.2003.08.113 |
| format | Article |
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GPa and up to a temperature of nearly 7000
K. The values of thermal pressure have been calculated using the formulation given by Anderson and Isaak which takes into account the effect of thermal excitation of electrons. The Shanker–Kushwah EOS has been found most suitable for the materials for which the pressure derivative of isothermal bulk modulus at
P=0, i.e.
K
0′ is less than four. The solids Mo and W satisfy this condition. The values of volumes and isothermal bulk modulus calculated at different temperatures and pressures are found to present close agreement with the experimental data based on shock wave measurements reinforcing the validity of the equation of state used. The results based on the Shanker–Kushwah EOS are found to compare well with the corresponding values derived from the Vinet EOS.</description><identifier>ISSN: 0921-4526</identifier><identifier>EISSN: 1873-2135</identifier><identifier>DOI: 10.1016/j.physb.2003.08.113</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Bulk modulus ; Equation of state ; Exact sciences and technology ; Molybdenum ; Physics ; Statistical physics, thermodynamics, and nonlinear dynamical systems ; Thermal pressure ; Thermodynamic functions and equations of state ; Thermodynamics ; Tungsten</subject><ispartof>Physica. B, Condensed matter, 2003-12, Vol.339 (4), p.193-197</ispartof><rights>2003 Elsevier B.V.</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-f6b343728d4d0a85f7751f369effa3a54e9af284e01a543a695bc2c72dcfeb123</citedby><cites>FETCH-LOGICAL-c362t-f6b343728d4d0a85f7751f369effa3a54e9af284e01a543a695bc2c72dcfeb123</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.physb.2003.08.113$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15341290$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kushwah, S.S</creatorcontrib><creatorcontrib>Sharma, M.P</creatorcontrib><creatorcontrib>Tomar, Y.S</creatorcontrib><title>An equation of state for molybdenum and tungsten</title><title>Physica. B, Condensed matter</title><description>An equation of state (EOS) recently formulated by Shanker and Kushwah has been used for calculating the volumes of molybdenum (Mo) and tungsten (W) at simultaneously elevated pressures and temperatures. The results are obtained up to a pressure of 300
GPa and up to a temperature of nearly 7000
K. The values of thermal pressure have been calculated using the formulation given by Anderson and Isaak which takes into account the effect of thermal excitation of electrons. The Shanker–Kushwah EOS has been found most suitable for the materials for which the pressure derivative of isothermal bulk modulus at
P=0, i.e.
K
0′ is less than four. The solids Mo and W satisfy this condition. The values of volumes and isothermal bulk modulus calculated at different temperatures and pressures are found to present close agreement with the experimental data based on shock wave measurements reinforcing the validity of the equation of state used. The results based on the Shanker–Kushwah EOS are found to compare well with the corresponding values derived from the Vinet EOS.</description><subject>Bulk modulus</subject><subject>Equation of state</subject><subject>Exact sciences and technology</subject><subject>Molybdenum</subject><subject>Physics</subject><subject>Statistical physics, thermodynamics, and nonlinear dynamical systems</subject><subject>Thermal pressure</subject><subject>Thermodynamic functions and equations of state</subject><subject>Thermodynamics</subject><subject>Tungsten</subject><issn>0921-4526</issn><issn>1873-2135</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PwzAQhi0EEuXjF7BkgS3BZydxMjBUFV9SJRaYLcc5g6vUbm0Hqf-elFZi45bTSc97p3sIuQFaAIX6flVsvnaxKxilvKBNAcBPyAwawXMGvDolM9oyyMuK1efkIsYVnQoEzAiduwy3o0rWu8ybLCaVMDM-ZGs_7Loe3bjOlOuzNLrPmNBdkTOjhojXx35JPp4e3xcv-fLt-XUxX-aa1yzlpu54yQVr-rKnqqmMEBUYXrdojOKqKrFVhjUlUpgGruq26jTTgvXaYAeMX5K7w95N8NsRY5JrGzUOg3LoxyiZaFpRtvUE8gOog48xoJGbYNcq7CRQubcjV_LXjtzbkbSRk50pdXtcr6JWgwnKaRv_ohUvgbV04h4OHE6_flsMMmqLTmNvA-oke2__vfMDpRB7Rg</recordid><startdate>20031215</startdate><enddate>20031215</enddate><creator>Kushwah, S.S</creator><creator>Sharma, M.P</creator><creator>Tomar, Y.S</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20031215</creationdate><title>An equation of state for molybdenum and tungsten</title><author>Kushwah, S.S ; Sharma, M.P ; Tomar, Y.S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-f6b343728d4d0a85f7751f369effa3a54e9af284e01a543a695bc2c72dcfeb123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Bulk modulus</topic><topic>Equation of state</topic><topic>Exact sciences and technology</topic><topic>Molybdenum</topic><topic>Physics</topic><topic>Statistical physics, thermodynamics, and nonlinear dynamical systems</topic><topic>Thermal pressure</topic><topic>Thermodynamic functions and equations of state</topic><topic>Thermodynamics</topic><topic>Tungsten</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kushwah, S.S</creatorcontrib><creatorcontrib>Sharma, M.P</creatorcontrib><creatorcontrib>Tomar, Y.S</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica. B, Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kushwah, S.S</au><au>Sharma, M.P</au><au>Tomar, Y.S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An equation of state for molybdenum and tungsten</atitle><jtitle>Physica. B, Condensed matter</jtitle><date>2003-12-15</date><risdate>2003</risdate><volume>339</volume><issue>4</issue><spage>193</spage><epage>197</epage><pages>193-197</pages><issn>0921-4526</issn><eissn>1873-2135</eissn><abstract>An equation of state (EOS) recently formulated by Shanker and Kushwah has been used for calculating the volumes of molybdenum (Mo) and tungsten (W) at simultaneously elevated pressures and temperatures. The results are obtained up to a pressure of 300
GPa and up to a temperature of nearly 7000
K. The values of thermal pressure have been calculated using the formulation given by Anderson and Isaak which takes into account the effect of thermal excitation of electrons. The Shanker–Kushwah EOS has been found most suitable for the materials for which the pressure derivative of isothermal bulk modulus at
P=0, i.e.
K
0′ is less than four. The solids Mo and W satisfy this condition. The values of volumes and isothermal bulk modulus calculated at different temperatures and pressures are found to present close agreement with the experimental data based on shock wave measurements reinforcing the validity of the equation of state used. The results based on the Shanker–Kushwah EOS are found to compare well with the corresponding values derived from the Vinet EOS.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.physb.2003.08.113</doi><tpages>5</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Bulk modulus Equation of state Exact sciences and technology Molybdenum Physics Statistical physics, thermodynamics, and nonlinear dynamical systems Thermal pressure Thermodynamic functions and equations of state Thermodynamics Tungsten |
| title | An equation of state for molybdenum and tungsten |
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