The Melt Enthalpy of Pu<sub>6</sub>Fe
Schwartz, et al., previously reported calorimetry measurements conducted on a Pu-Pu<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>6</mn></msub></semantics...
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| Materialtyp: | Artikel |
| Språk: | English |
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MDPI AG
2021-11-01
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| Serie: | Applied Sciences |
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| Länkar: | https://www.mdpi.com/2076-3417/11/22/10800 |
| _version_ | 1827677475645161472 |
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| author | Joshua D. Coe William W. Anderson Paul H. Tobash |
| author_facet | Joshua D. Coe William W. Anderson Paul H. Tobash |
| author_sort | Joshua D. Coe |
| collection | DOAJ |
| description | Schwartz, et al., previously reported calorimetry measurements conducted on a Pu-Pu<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>6</mn></msub></semantics></math></inline-formula>Fe mixture, from which they derived a melt enthalpy of 31.2 J/g (46.6 kJ/mol) for Pu<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>6</mn></msub></semantics></math></inline-formula>Fe. This was the first—and remains the only—such value to appear in the literature. We reanalyze those results in light of two contributions to the measured heat flow not considered in the original report: the melt enthalpy of the excess Pu and the subsequent heating of the liquid mixture. These corrections yield a revised value of 24.4 J/g (36.3 kJ/mol), which we show to be consistent with the melt enthalpy of U<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>6</mn></msub></semantics></math></inline-formula>Fe. |
| first_indexed | 2024-03-10T05:44:32Z |
| format | Article |
| id | doaj.art-ca67a8de1e3e47e7b9c4764cc28e8ebc |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T05:44:32Z |
| publishDate | 2021-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-ca67a8de1e3e47e7b9c4764cc28e8ebc2023-11-22T22:19:07ZengMDPI AGApplied Sciences2076-34172021-11-0111221080010.3390/app112210800The Melt Enthalpy of Pu<sub>6</sub>FeJoshua D. Coe0William W. Anderson1Paul H. Tobash2Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USAExplosive Science and Shock Physics Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USAMaterials Science and Technology Division, Los Alamos, NM 87545, USASchwartz, et al., previously reported calorimetry measurements conducted on a Pu-Pu<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>6</mn></msub></semantics></math></inline-formula>Fe mixture, from which they derived a melt enthalpy of 31.2 J/g (46.6 kJ/mol) for Pu<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>6</mn></msub></semantics></math></inline-formula>Fe. This was the first—and remains the only—such value to appear in the literature. We reanalyze those results in light of two contributions to the measured heat flow not considered in the original report: the melt enthalpy of the excess Pu and the subsequent heating of the liquid mixture. These corrections yield a revised value of 24.4 J/g (36.3 kJ/mol), which we show to be consistent with the melt enthalpy of U<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>6</mn></msub></semantics></math></inline-formula>Fe.https://www.mdpi.com/2076-3417/11/22/10800Pu6Femelt enthalpylatent heatintermetallic |
| spellingShingle | Joshua D. Coe William W. Anderson Paul H. Tobash The Melt Enthalpy of Pu<sub>6</sub>Fe Applied Sciences Pu6Fe melt enthalpy latent heat intermetallic |
| title | The Melt Enthalpy of Pu<sub>6</sub>Fe |
| title_full | The Melt Enthalpy of Pu<sub>6</sub>Fe |
| title_fullStr | The Melt Enthalpy of Pu<sub>6</sub>Fe |
| title_full_unstemmed | The Melt Enthalpy of Pu<sub>6</sub>Fe |
| title_short | The Melt Enthalpy of Pu<sub>6</sub>Fe |
| title_sort | melt enthalpy of pu sub 6 sub fe |
| topic | Pu6Fe melt enthalpy latent heat intermetallic |
| url | https://www.mdpi.com/2076-3417/11/22/10800 |
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