JOMPub Date : 2026-08-10DOI: 10.1007/s11837-026-08611-z
Liu Zhao, Xifei Yang, Dun Wu, Dejian Pei, Shuqin Li
{"title":"Chemical Characteristics and Mineralogical Characterization of Ma'anshan Iron Tailings Powder and Assessment of Its Fe-S Resource Potential","authors":"Liu Zhao, Xifei Yang, Dun Wu, Dejian Pei, Shuqin Li","doi":"10.1007/s11837-026-08611-z","DOIUrl":"10.1007/s11837-026-08611-z","url":null,"abstract":"<div><p>As a vital iron ore resource base within the Wanjiang Economic Belt, the Ma’anshan Nanshan Mine suffers from an unclear resource potential of valuable elements, imperfect collaborative recovery technologies, and insufficient basic data of low-grade iron tailings, which restrict local mining exploitation and tailings resource utilization. Taking tailings from the “rough magnetic separation + sand dredging” process of the mine as research objects, this study adopts multiple characterization techniques, including inductively coupled plasma mass spectrometry (ICP-MS), X-ray diffraction (XRD), electron probe microanalysis (EPMA), and transmission electron microscopy (TEM), to analyze the elemental composition, mineralogical characteristics, and microscopic distribution of Fe, S, and V, and preliminarily evaluates their resource potential and recoverability. The results show that the tailings are mainly composed of quartz, albite, hematite, and pyrite. Sulfur occurs as high-purity pyrite with great industrial recovery potential. Iron is closely associated with iron oxides and pyrite, while vanadium is dispersively distributed and bears low recovery value. This study proposes an evaluation system integrating elemental geochemical characteristics, and microscopic mineral distribution rules. It supplements basic research data of local iron tailings, clarifies the resource potential of valuable elements in the studied tailings, and provides fundamental data support for the development of regional tailings resource utilization technologies.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"9353 - 9369"},"PeriodicalIF":2.3,"publicationDate":"2026-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JOMPub Date : 2026-08-05DOI: 10.1007/s11837-026-08545-6
Mauricio De Leo, Nicolas Fuchs-Lynch, Irene J. Beyerlein, Nathan A. Mara
{"title":"Designing 3D Interfaces for Enhanced Mechanical Performance in Nanolaminates","authors":"Mauricio De Leo, Nicolas Fuchs-Lynch, Irene J. Beyerlein, Nathan A. Mara","doi":"10.1007/s11837-026-08545-6","DOIUrl":"10.1007/s11837-026-08545-6","url":null,"abstract":"<div><p>Metal nanolaminates achieve exceptional strength through interface-mediated plasticity, but atomically sharp two-dimensional interfaces concentrate stress at dislocation pileups, promoting shear localization and limiting deformability. Here, we synthesize prior experimental and computational results across nanolaminate systems to establish a transferable design framework for simultaneously enhancing strength and suppressing strain localization by replacing chemically and crystallographically sharp interfaces with structurally extended three-dimensional interfaces (3DIs) of controlled thickness <span>(h')</span>. Drawing on phase-field dislocation dynamics (PFDD) simulations, crystal plasticity finite element modeling, atom probe tomography, nanoindentation, and micropillar compression across Cu/Nb and Ti/Nb nanolaminates, we identify the conditions under which 3DIs deliver maximum observed mechanical enhancement. PFDD establishes that slip transmission resistance increases with <span>(h')</span> and saturates near <span>(h' approx 5)</span>–20 nm across both material systems, defining a target thickness range for interface design. Experimental flow stress measurements in Cu/Nb reveal a high-performance window bounded by the constraint <span>((h+h') le 50)</span> nm, above which interface-dominant behavior begins to wane. In Ti/Nb, introduction of 3DI enhances hardness by 28% and suppresses shear localization at large strains. Together, these results support three transferable design rules for interface-engineered nanolaminates: target the PFDD strength saturation regime, constrain the bilayer period, and minimize slip transmission asymmetry.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8834 - 8848"},"PeriodicalIF":2.3,"publicationDate":"2026-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11837-026-08545-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JOMPub Date : 2026-08-05DOI: 10.1007/s11837-026-08630-w
Kaitlin Calva
{"title":"Steeling for a Low-Carbon Future: Bridging Science and Production with Radhakanta Rana","authors":"Kaitlin Calva","doi":"10.1007/s11837-026-08630-w","DOIUrl":"10.1007/s11837-026-08630-w","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 9","pages":"8203 - 8205"},"PeriodicalIF":2.3,"publicationDate":"2026-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148782119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JOMPub Date : 2026-08-03DOI: 10.1007/s11837-026-08570-5
Stanislav Zak, Hannah Arnfelser, Neville R. Moody, Megan J. Cordill
{"title":"Negative Mode I Loading During Buckling-Induced Delamination and Its Impact","authors":"Stanislav Zak, Hannah Arnfelser, Neville R. Moody, Megan J. Cordill","doi":"10.1007/s11837-026-08570-5","DOIUrl":"10.1007/s11837-026-08570-5","url":null,"abstract":"<div><p>In modern engineering, combinations of substrate structures and thin coatings is ever present. Be it in protective applications, microelectronics, or with micro-electromechanical systems, the adhesion between the substrate material and thin film is crucial, and delamination is often the reason for the failure of the components. Therefore, the thin-film adhesion measurement is extremely important for the longevity and reliability of micro-scale components. One of the available methods is the buckling-induced delamination technique, using the compressive residual stresses in thin films to cause the films to delaminate and form a buckle. This method is well established within the material science community; however, one misconception still persists, that of discarding the negative mode I loading at the delamination crack front. The practice has led to assuming some buckling to be under pure mode II loading, but new analysis shows that the negative mode I loading pushes crack surfaces towards each other, increasing friction and apparent adhesion energy. This work presents the first description of the negative mode I influence in the case of buckling-induced delamination and the possibilities it could open for more investigation.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8918 - 8929"},"PeriodicalIF":2.3,"publicationDate":"2026-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11837-026-08570-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JOMPub Date : 2026-08-03DOI: 10.1007/s11837-026-08614-w
Yupeng Wu, Quanwei Yang, Zhaocheng Wei, Yuxin Fang, Dong Wang
{"title":"Prediction of Residual Stress Evolution in Medium-Carbon Steel Thin-Walled Spherical Shells During Multi-Stage Manufacturing","authors":"Yupeng Wu, Quanwei Yang, Zhaocheng Wei, Yuxin Fang, Dong Wang","doi":"10.1007/s11837-026-08614-w","DOIUrl":"10.1007/s11837-026-08614-w","url":null,"abstract":"<div><p>Medium-carbon steel thin-walled spherical shells are prone to non-uniform residual stresses during hot forging, cooling, and heat treatment, which significantly affect their mechanical properties and service life. To accurately predict the evolution of residual stresses, this study has developed a thermo–elasto–plastic constitutive model based on phase transformation theory. The model describes temperature-induced microstructural transformations and the corresponding mechanical behavior of medium-carbon steel during processing. It couples the USDFLD, UEXPAN, UMAT, and HETVAL subroutines to account for thermal, transformation, and transformation-induced plastic strains. Abaqus was used to transfer stress, temperature, and deformation data from preceding process steps to subsequent analyses, which enabled accurate tracking of the spherical shell manufacturing process. The approach facilitates data transfer and coupled computation throughout the production sequence. Experimental results indicate that the model can accurately predict the evolution of the residual stress field in medium-carbon steel during hot forging and heat treatment.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"9028 - 9043"},"PeriodicalIF":2.3,"publicationDate":"2026-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Microscopic Mechanism of Pyrite Depression in a Seawater Flotation System: The Pathway of Radical Oxidation Due to Hydrogen Peroxide","authors":"Zhonghong Wang, Yubiao Li, Wanqing Li, Tianle Yin, Jialong Zhao, Wen Chen","doi":"10.1007/s11837-026-08586-x","DOIUrl":"10.1007/s11837-026-08586-x","url":null,"abstract":"<div><p>Pyrite depression by oxidants has attracted much interest in the field of sulfide flotation separation. However, the mechanisms of oxidant action in seawater remain unclear from a radical-oxidation perspective. In this study, the influence of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) on pyrite flotation in seawater was systematically investigated. The results showed that pyrite was more significantly depressed by H<sub>2</sub>O<sub>2</sub> in seawater than in pure water; 0.05 vol.% H<sub>2</sub>O<sub>2</sub> resulted in unfloatable pyrite in seawater and decreased pyrite recovery from 81.05% to 60.81% in pure water. Contact angle, Fourier transform infrared spectroscopy (FTIR), and in situ scanning electrochemical microscopy (SECM) studies cross-confirmed that H<sub>2</sub>O<sub>2</sub> reduced the surface hydrophobicity and electrochemical reactivity of pyrite, preventing the adsorption of sodium butyl xanthate (SBX). Further UV-visible and electron paramagnetic resonance (EPR) analyses revealed that SBX was first oxidized to butyl xanthate peroxide and further decomposed into smaller molecules including CO<sub>2</sub>, H<sub>2</sub>O, and SO<sub>4</sub><sup>2−</sup> in seawater by the formed radical (<sup>•</sup>O<sub>2</sub><sup>−</sup> and <sup>•</sup>OH) via a Fenton-like oxidation pathway. Therefore, this study presents a novel radical oxidation perspective to understand pyrite depression using H<sub>2</sub>O<sub>2</sub> in low-alkaline seawater, providing scientific evidence for effective pyrite depression in seawater by a clean green oxidant.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 9","pages":"8216 - 8229"},"PeriodicalIF":2.3,"publicationDate":"2026-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148782266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JOMPub Date : 2026-07-30DOI: 10.1007/s11837-026-08566-1
Ahmed A. Eliwa, Amal E. Mubark, Mona M. Fawzy
{"title":"Integrated Physico-Chemical Processing of Zircon for Selective Recovery of Critical Rare-Earth and Radioactive Elements","authors":"Ahmed A. Eliwa, Amal E. Mubark, Mona M. Fawzy","doi":"10.1007/s11837-026-08566-1","DOIUrl":"10.1007/s11837-026-08566-1","url":null,"abstract":"<div><p>The Kadabora granitic pluton in Egypt’s Central Eastern Desert hosts zircon pegmatite in uranium, thorium, ytterbium, and yttrium, making it a promising feedstock for selective recovery of critical rare-earth and radioactive elements. This study investigates an integrated physico-chemical processing route for Kadabora pegmatite to achieve efficient separation of U, Th, Yb, and Y. Zircon was first concentrated by comminution, gravity, and magnetic separation. The resulting concentrate was subjected to alkali fusion-acid leaching, and, under the following conditions of alkali fusion using mixed NaOH/KOH at 723 K, − 230 mesh, 60 min, 1:1 solid-to-alkali ratio, and acid leaching at 6 M HCl, 353 K, 1:6 fused concentrate-to-acid ratio, 30 min, near-complete recovery of Th, U, Yb, and Y was achieved, while Zr remained undigested and was recovered as a valuable by-product. Solvent extraction with Aliquat 336 and D2EHPA selectively separated Th and U from chloride and nitrate media, respectively, leaving Yb and Y in solution for downstream separation. The results demonstrate that combining physical beneficiation with sequential alkaline fusion, acid leaching, and solvent extraction provides an effective strategy for the selective recovery of strategic elements from Kadabora zircon concentrate.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"9067 - 9088"},"PeriodicalIF":2.3,"publicationDate":"2026-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}