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https://hdl.handle.net/20.500.13091/1195
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DC Field | Value | Language |
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dc.contributor.author | Plotnikov, Elizaveta Y. | - |
dc.contributor.author | Mao, Zugang | - |
dc.contributor.author | Baik, Sung-Il | - |
dc.contributor.author | Yıldırım, Mehmet | - |
dc.contributor.author | Li, Yongsheng | - |
dc.contributor.author | Cecchetti, Daniel | - |
dc.contributor.author | Seidman, David N. | - |
dc.date.accessioned | 2021-12-13T10:34:50Z | - |
dc.date.available | 2021-12-13T10:34:50Z | - |
dc.date.issued | 2019 | - |
dc.identifier.issn | 1359-6454 | - |
dc.identifier.issn | 1873-2453 | - |
dc.identifier.uri | https://doi.org/10.1016/j.actamat.2019.03.016 | - |
dc.identifier.uri | https://hdl.handle.net/20.500.13091/1195 | - |
dc.description.abstract | The temporal evolution of ordered gamma'(L1(2))-precipitates precipitating in a disordered gamma(f.c.c.) matrix is studied in extensive detail for a Ni-12.5 Al at.% alloy aged at 823 K (550 degrees C), for times ranging from 0.08 to 4096 h. Three-dimensional atom-probe tomography (3-D APT) results are compared to monovacancy-mediated lattice-kinetic Monte Carlo (LKMC1) simulations on a rigid lattice, which include monovacancy-solute binding energies through 4th nearest-neighbor distances, for the same mean composition and aging temperature. The temporal evolution of the measured values of the mean radius, (R(t)>, number density, aluminum supersaturations, and volume fraction of the gamma'(L1(2))-precipitates are compared to the predictions of a modified version of the Lifshitz-Slyozov diffusion-limited coarsening model due to Calderon, Voorhees et al. The resulting experimental rate constants are used to calculate the Gibbs interfacial free-energy between the gamma(f.c.c.)- and gamma'(L1(2))-phases, which enter the model, using data from two thermodynamic databases, and its value is compared to all exiting values. The diffusion coefficient for coarsening is calculated utilizing the same rate-constants and compared to all archival diffusivities, not determined from coarsening experiments, and it is demonstrated to be the inter-diffusivity, (D) over tilde, of Ni and Al. The monovacancy-mediated LKMC1 simulation results are in good agreement with our 3-D APT data. The compositional interfacial width, for the (100)-interface, between the gamma(f.c.c.)- and gamma'(L1(2))-phases, decreases continuously with increasing aging time and < R(t)>, both for the 3-D APT results and the monovacancy-mediated LKMC1 simulations, in disagreement with an ansatz intrinsic to the trans-interface diffusion-controlled coarsening model, which assumes the exact opposite trend for binary alloys. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. | en_US |
dc.description.sponsorship | National Science Foundation, Division of Materials ResearchNational Science Foundation (NSF) [DMR-1610367 001]; NSF MRINational Science Foundation (NSF)NSF - Office of the Director (OD) [DMR-0420532]; ONR-DURIPOffice of Naval Research [N00014-0400798, N00014-0610539, N00014-0910781, N00014-1712870]; MRSEC program at the Materials Research Center [NSF DMR-1720139]; SHyNE Resource [NSF ECCS-1542205]; Initiative for Sustainability and Energy (ISEN) at Northwestern University; E.I. DuPont de Nemours Co.; Dow Chemical Company; Northwestern University; U.S. DOEUnited States Department of Energy (DOE) [DE-AC02-06CH11357]; W. P. Murphy Fellowship; NSF grantNational Science Foundation (NSF); China Scholarship CouncilChina Scholarship Council; Scientific HR Development Program of the Middle East Technical University | en_US |
dc.description.sponsorship | This research was supported by the National Science Foundation, Division of Materials Research grant number DMR-1610367 001; Profs. Diana Farkas and Gary Shiflet, grant monitors. Atom probe tomography was performed at the Northwestern University Center for Atom-Probe Tomography (NUCAPT). The LEAP tomograph at NUCAPT was purchased and upgraded with grants from the NSF MRI (DMR-0420532) and ONR-DURIP (N00014-0400798, N00014-0610539, N00014-0910781, N00014-1712870) programs. NUCAPT received support from the MRSEC program (NSF DMR-1720139) at the Materials Research Center, the SHyNE Resource (NSF ECCS-1542205), and the Initiative for Sustainability and Energy (ISEN) at Northwestern University. A portion of this research was performed at the DuPont-Northwestern-Dow Collaborative Access Team (DND-CAT) located at Sector 5 of the Advanced Photon Source (APS). DND-CAT is supported by E.I. DuPont de Nemours & Co., The Dow Chemical Company, and Northwestern University. Use of the APS, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the U.S. DOE under Contract No. DE-AC02-06CH11357. Ms. Elizaveta Y. Plotnikov was initially supported by a W. P. Murphy Fellowship and then this NSF grant. Drs. Zugang Mao and Sung-Il Baik were partially supported by this NSF grant. Prof. Yongsheng Li was supported by the China Scholarship Council. Dr. Mehmet Yildirim was supported by the Scientific HR Development Program of the Middle East Technical University. The authors thank Dr. Nathalie Dupin for generous access to her Thermo-Calc data for the partial Ni-Al phase diagram. Additionally, Prof. Peter Voorhees is thanked for stimulating and enlightening discussions and Prof. Pascal Bellon is thanked for important discussions concerning correlated diffusion effects. Dr. C. E. Campbell is thanked for discussion for Ni mobility databases. Mr. Pavithran Maris (visiting undergraduate scholar) is thanked for helping with atom-probe tomography experiments during the summer of 2013; Dr. John Thompson for calculating the AV PSD and F(phi<INF>gamma'</INF>); and Ms. Yanyan (Ashley) Huang for assisting in performing Vickers microhardness measurements. | en_US |
dc.language.iso | en | en_US |
dc.publisher | PERGAMON-ELSEVIER SCIENCE LTD | en_US |
dc.relation.ispartof | ACTA MATERIALIA | en_US |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.subject | Nickel-Based Superalloys | en_US |
dc.subject | Atom-Probe Tomography | en_US |
dc.subject | Temporal Evolution | en_US |
dc.subject | Monovacancy-Mediated Lattice Kinetic | en_US |
dc.subject | Monte Carlo | en_US |
dc.subject | Lifshit-Slyozov (Ls) Model | en_US |
dc.subject | Atom-Probe Tomography | en_US |
dc.subject | Nickel-Base Superalloys | en_US |
dc.subject | Multicomponent Multiphase Systems | en_US |
dc.subject | Ostwald Ripening Theories | en_US |
dc.subject | Free-Energy | en_US |
dc.subject | Cr-Al | en_US |
dc.subject | Temporal Evolution | en_US |
dc.subject | Coarsening Kinetics | en_US |
dc.subject | Volume Fraction | en_US |
dc.subject | Spatial Correlations | en_US |
dc.title | A correlative four-dimensional study of phase-separation at the subnanoscale to nanoscale of a Ni-Al alloy | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1016/j.actamat.2019.03.016 | - |
dc.identifier.scopus | 2-s2.0-85064231473 | en_US |
dc.department | Fakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümü | en_US |
dc.authorid | Li, Yongsheng/0000-0002-0825-0982 | - |
dc.authorwosid | Seidman, David/B-6697-2009 | - |
dc.identifier.volume | 171 | en_US |
dc.identifier.startpage | 306 | en_US |
dc.identifier.endpage | 333 | en_US |
dc.identifier.wos | WOS:000470046400029 | en_US |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.authorscopusid | 55873922900 | - |
dc.authorscopusid | 16029108000 | - |
dc.authorscopusid | 57216651507 | - |
dc.authorscopusid | 56640743700 | - |
dc.authorscopusid | 57192529163 | - |
dc.authorscopusid | 57208239360 | - |
dc.authorscopusid | 7005777026 | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
crisitem.author.dept | 02.11. Department of Metallurgical and Materials Engineering | - |
Appears in Collections: | Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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