{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T09:42:57Z","timestamp":1768729377361,"version":"3.49.0"},"reference-count":67,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2024,5,8]],"date-time":"2024-05-08T00:00:00Z","timestamp":1715126400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Hunan Provincial Natural Science Foundation of China","award":["2022JJ80069"],"award-info":[{"award-number":["2022JJ80069"]}]},{"name":"Hunan Provincial Natural Science Foundation of China","award":["2022YFC3900902"],"award-info":[{"award-number":["2022YFC3900902"]}]},{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2022JJ80069"],"award-info":[{"award-number":["2022JJ80069"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2022YFC3900902"],"award-info":[{"award-number":["2022YFC3900902"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Knowledge about the thermodynamic equilibria of the P2O5-Na2O and P2O5-MgO systems is very important for controlling the phosphorus content of steel materials in the process of steelmaking dephosphorization. The phase equilibrium and thermodynamic data of the P2O5-Na2O and P2O5-MgO systems were critically evaluated and re-assessed by the CALPHAD (CAlculation of PHAse Diagram) approach. The liquid phase was described by the ionic two-sublattice model for the first time with the formulas (Na+1)P(O\u22122, PO3\u22121, PO4\u22123, PO5\/2)Q and (Mg+2)P(O\u22122, PO3\u22121, PO4\u22123, PO5\/2)Q, respectively, and the selection of the species constituting the liquid phase was based on the structure of the phosphate melts. A new and improved self-consistent set of thermodynamic parameters for the P2O5-Na2O and P2O5-MgO systems was finally obtained, and the calculated phase diagram and thermodynamic properties exhibited excellent agreement with the experimental data. The difference in the phase composition of invariant reactions from the experimentally determined values reported in the literature is less than 0.9 mol.%. The present thermodynamic modeling contributes to constructing a multicomponent oxide thermodynamic database in the process of steelmaking dephosphorization.<\/jats:p>","DOI":"10.3390\/ma17102221","type":"journal-article","created":{"date-parts":[[2024,5,8]],"date-time":"2024-05-08T12:27:11Z","timestamp":1715171231000},"page":"2221","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Thermodynamic Assessment of the P2O5-Na2O and P2O5-MgO Systems"],"prefix":"10.3390","volume":"17","author":[{"given":"Lideng","family":"Ye","sequence":"first","affiliation":[{"name":"School of Material Science and Engineering, Central South University, Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chenbo","family":"Li","sequence":"additional","affiliation":[{"name":"School of Material Science and Engineering, Central South University, Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jifeng","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Material Science and Engineering, Central South University, Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guangcheng","family":"Xiao","sequence":"additional","affiliation":[{"name":"School of Material Science and Engineering, Central South University, Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zixuan","family":"Deng","sequence":"additional","affiliation":[{"name":"School of Material Science and Engineering, Central South University, Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Libin","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Material Science and Engineering, Central South University, Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ligang","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Material Science and Engineering, Central South University, Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun","family":"Jiang","sequence":"additional","affiliation":[{"name":"NMPA Key Laboratory for Pharmaceutical Excipients Engineering Technology Research, Hunan Institute for Drug Control, Changsha 410001, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"47","DOI":"10.2355\/isijinternational1966.24.47","article-title":"Effects of Na2O and BaO additions on phosphorus distribution between CaO-MgO-FetO-SiO2-slags and liquid iron","volume":"24","author":"Suito","year":"1984","journal-title":"Trans. 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