IF 2.3 4区材料科学

JOM Pub Date : 2025-07-18 DOI: 10.1007/s11837-025-07596-5

Jun Xi Li, Feng Li, Yuan Qi Li, Shun Luo, Hai Bo Wang

{"title":"Powder Metallurgy Fabrication of Multimodal-Grained AA2024 Aluminum Alloy and Microstructural Response to Powder Size Control","authors":"Jun Xi Li, Feng Li, Yuan Qi Li, Shun Luo, Hai Bo Wang","doi":"10.1007/s11837-025-07596-5","DOIUrl":"10.1007/s11837-025-07596-5","url":null,"abstract":"<div><p>In order to break the limitations of traditional homogeneous material modification, this paper proposes the preparation of homogeneous and heterogeneous bimodal structural materials by powder metallurgy. AA2024 aluminum alloy powder was mixed with different particle sizes in a certain proportion by ball milling, and the homogeneous mixed crystal material was prepared by hot-press sintering. The results indicate that, by adjusting the ratio of coarse and fine powder, the precise control of the mixed crystal structure composed of coarse and fine crystals is realized. The mixed crystal structure causes additional hardening, which increases the strength and malleability of the mixed crystal material. When the mass ratio of coarse to fine powder is 5:5, the tensile strength is ~ 201.83 MPa, the yield strength is ~ 157.45 MPa, and the elongation is ~ 15.86%, which is ~ 10.45% higher than the fine crystal strength and 1.15 times higher than the elongation. The introduction of a mixed crystal structure breaks the limitation of single modification, the coarse and fine grains coordinate with each other, the soft domain represented by the coarse crystals delays the crack expansion and improves the plasticity, and a hard domain represented by the fine crystals disperses the stress and ensures the strength of the material.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"77 10","pages":"7642 - 7654"},"PeriodicalIF":2.3,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078780","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}

引用次数: 0

Understanding the Collective Effect of Dissolved Ions on the Surface Chemistry of Galena Flotation 了解溶解离子对方铅矿浮选表面化学的集体效应

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-18 DOI: 10.1007/s11837-025-07579-6

Can Gungoren, Saleban Mohamed Muse, Mert Terzi, Mehmet Faruk Eskibalci, Ilgin Kursun, Orhan Ozdemir

{"title":"Understanding the Collective Effect of Dissolved Ions on the Surface Chemistry of Galena Flotation","authors":"Can Gungoren, Saleban Mohamed Muse, Mert Terzi, Mehmet Faruk Eskibalci, Ilgin Kursun, Orhan Ozdemir","doi":"10.1007/s11837-025-07579-6","DOIUrl":"10.1007/s11837-025-07579-6","url":null,"abstract":"<div><p>This study aimed to investigate the collective effect of commonly found ions in galena flotation. For this purpose, contact angle, bubble–particle attachment time, zeta potential measurements, micro-flotation experiments, and dynamic froth stability analyses, were carried out using artificial plant waters (APWs) at various ion concentrations. As a result of the contact angle and bubble-particle attachment time measurements, the optimum KEX concentration was determined as 50 g/t. The zeta potential measurements, micro-flotation experiments, and DFS analyses in the presence of APWs showed that the zeta potential of galena became less negative in the presence of APWs at greater ion concentrations. The flotation recovery of galena (106 × 75 µm) in the absence of APW and BG increased from 12.1 to 45.9% in the presence of APW1. The DFS analyses indicated that considerably higher froth heights up to 7.7 mm can be obtained in the presence of APWs than in the presence of BG (6.6 mm), related to the ionic strength. The overall experimental results of this study indicated that dissolved ions helped the formation of stable bubbles in the pulp and froth phases, which improved the flotation recovery of galena.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"77 10","pages":"7713 - 7723"},"PeriodicalIF":2.3,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078820","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}

引用次数: 0

Water Pollution Remediation: Efficient Photocatalytic Degradation of Direct Yellow 12 Dye Using Poly(o-ethylaniline)/TiO2/rGO Nanocomposites 水污染修复：聚（邻乙基苯胺）/TiO2/氧化石墨烯纳米复合材料高效光催化降解直接黄12染料

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-17 DOI: 10.1007/s11837-025-07571-0

Muhammad Fayyaz Farid, Mirza Nadeem Ahmad, Muhammad Naveed Anjum

{"title":"Water Pollution Remediation: Efficient Photocatalytic Degradation of Direct Yellow 12 Dye Using Poly(o-ethylaniline)/TiO2/rGO Nanocomposites","authors":"Muhammad Fayyaz Farid, Mirza Nadeem Ahmad, Muhammad Naveed Anjum","doi":"10.1007/s11837-025-07571-0","DOIUrl":"10.1007/s11837-025-07571-0","url":null,"abstract":"<div><p>Water pollution has become a global issue due to growing industrial activities, particularly the release of toxic dyes in textile wastewater. Therefore, water treatment is inevitable to conserve and reuse the wastewater. In our study, a photocatalytic technique was designed to degrade the commonly used direct yellow 12 (DY-12) dye present in aqueous media using polymeric composite materials based on poly(<i>o</i>-ethylaniline)/titanium dioxide/reduced graphene oxide (POEA/TiO<sub>2</sub>/rGO). The composites were analyzed by Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) for the confirmation of the composition and the structural features, respectively. Furthermore, scanning electron microscopy (SEM) was employed to observe the surface morphology of the materials, while the photocatalytic activity of the composites was evaluated for the degradation of DY-12 dye under ultraviolet (UV) irradiation. Then, the factors affecting the photocatalytic activity (pH = 2, dye concentration = 100 ppm, catalyst dose = 500 mg/L, oxidant concentration = 15 g/L, temperature 60 °C, and irradiation time = 60 min) were optimized which achieved up to 98% removal of the target dye by the POEA/TiO<sub>2</sub>/rGO<sub>25%</sub> catalyst. After photocatalytic degradation, total organic carbon (TOC), chemical oxygen demand (COD), and FTIR analysis were performed to ensure the removal of the dye. Moreover, kinetic studies demonstrated that the degradation process followed the first-order rate mechanism.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"77 10","pages":"7668 - 7683"},"PeriodicalIF":2.3,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078865","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}

引用次数: 0

On the Removal of Elements by Boron Treatment on Mn-Containing Aluminum Alloys Studied by Laser-Induced Breakdown Spectroscopy (LIBS) 激光诱导击穿光谱（LIBS）研究含锰铝合金硼处理对元素的去除

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-17 DOI: 10.1007/s11837-025-07580-z

Antonio Vazquez-Prudencio, Anne Kvithyld, Jostein Røyset, Shahid Akhtar, Martin Syvertsen, Kristjan Leosson

{"title":"On the Removal of Elements by Boron Treatment on Mn-Containing Aluminum Alloys Studied by Laser-Induced Breakdown Spectroscopy (LIBS)","authors":"Antonio Vazquez-Prudencio, Anne Kvithyld, Jostein Røyset, Shahid Akhtar, Martin Syvertsen, Kristjan Leosson","doi":"10.1007/s11837-025-07580-z","DOIUrl":"10.1007/s11837-025-07580-z","url":null,"abstract":"<div><p>Boron treatment is a refining process that has historically been employed to improve the conductivity of 1xxx aluminum alloys by removing peritectic-forming elements (Ti, Zr, V, or Cr) in solution. However, in multicomponent alloys such as 6082 alloy, optimizing conductivity by boron treatment, while preserving other desired properties like strength or corrosion resistance that arise from Mn or Cr additions, presents a more complex scenario. This study addresses this challenge by investigating the kinetics of boron treatment in the 6082 alloy and the Al-B-Mn ternary system by laser-induced breakdown spectroscopy (LIBS), providing a unique opportunity to measure directly the composition of the molten alloy over time, enabling real-time mapping of the Mn, Cr, Ti, or V removal and their corresponding timescales after Al-B master alloy additions. Furthermore, this study highlights the potential to manufacture the 6082 alloy with optimized conductivity, as Al-B additions selectively removed peritectic-forming elements (V, Ti, and Cr) while retaining Mn, which is essential for strength and corrosion resistance.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"77 11","pages":"8319 - 8330"},"PeriodicalIF":2.3,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11837-025-07580-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145327519","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}

引用次数: 0

A Novel Technology to Deposition Diamond-Like Carbon Thin Films: Cathodic Cylinder Plasma Deposition 一种沉积类金刚石薄膜的新技术：阴极圆柱体等离子沉积

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-16 DOI: 10.1007/s11837-025-07572-z

Anthunes Íkaro de Araújo, Igor Oliveira Nascimento, Michelle Cequeira Feitor, Maxwell Santana Libório, Álvaro Albueno da Silva Linhares, Pâmala Samara Vieira, Salete Martins Alves, Rômulo Ribeiro Magalhães de Sousa, Cleânio da Luz Lima, Ediones Maciel de Sousa, Thercio Henrique de Carvalho Costa

{"title":"A Novel Technology to Deposition Diamond-Like Carbon Thin Films: Cathodic Cylinder Plasma Deposition","authors":"Anthunes Íkaro de Araújo, Igor Oliveira Nascimento, Michelle Cequeira Feitor, Maxwell Santana Libório, Álvaro Albueno da Silva Linhares, Pâmala Samara Vieira, Salete Martins Alves, Rômulo Ribeiro Magalhães de Sousa, Cleânio da Luz Lima, Ediones Maciel de Sousa, Thercio Henrique de Carvalho Costa","doi":"10.1007/s11837-025-07572-z","DOIUrl":"10.1007/s11837-025-07572-z","url":null,"abstract":"<div><p>This study investigates the influence of deposition temperature on the formation of diamond-Like carbon (DLC) films on AISI 4340 steel using the cathodic cylinder plasma deposition (CCyPD) technique. The films were deposited in an acetylene atmosphere at 350°C, 400°C, and 450°C, and the samples were characterized using Raman spectroscopy, X-ray diffraction (XRD), Vickers hardness testing, and friction coefficient measurements. The results indicate that increasing the deposition temperature significantly impacts the microstructure and tribological properties of the DLC films. At 450°C, the films exhibited higher hardness due to the increased concentration of <i>sp</i><sup>3</sup> carbon, which led to a denser and more rigid structure. However, a notable reduction in film thickness was observed, likely due to increased carbon deposition efficiency and structural densification. The film deposited at 400°C demonstrated the optimal balance between hardness and wear resistance. These findings highlight the critical role of temperature control in optimizing the mechanical and tribological properties of DLC films for various industrial applications.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"77 9","pages":"6387 - 6399"},"PeriodicalIF":2.3,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144897080","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}

引用次数: 0

Effects of Y Doping on Phase Structure, Microstructure and Electrical Conductivity of La10−xYxSi6O27 (x = 0, 0.1, 0.2, 0.3) Y掺杂对La10−xYxSi6O27 （x = 0,0.1, 0.2, 0.3）相结构、微观结构和电导率的影响

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-15 DOI: 10.1007/s11837-025-07582-x

Dongliang Li, Xiangnan Wang

引用次数: 0

An Empirical Model for Water Recovery in Column Flotation Based on Operation Parameters 基于操作参数的柱浮选水回收经验模型

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-15 DOI: 10.1007/s11837-025-07549-y

Reza Zolfaghari, Mohammad Karamoozian

{"title":"An Empirical Model for Water Recovery in Column Flotation Based on Operation Parameters","authors":"Reza Zolfaghari, Mohammad Karamoozian","doi":"10.1007/s11837-025-07549-y","DOIUrl":"10.1007/s11837-025-07549-y","url":null,"abstract":"<div><p>Nowadays, with the processing of low-quality and complex minerals, the entrainment of fine gangue solids has become a critical issue in column flotation. Water recovery (<span>(R_{{text{w}}} )</span>) contributed to the entrainment and affected concentrate recovery. In this study, batch surface response column flotation tests have been carried out to question the primary and composed effects of solid content, frother dosage, airflow rate, and collector dosage on the water recovery by utilizing a mix of released quartz and gangue mineral in a 10-L batch column flotation. The results showed that <span>(R_{{text{w}}})</span> was affected by (1) airflow rate, (2) solid content, (3) frother dosage, (4) the interaction between solid content and frother dosage, and (5) it was the interaction between solid content and collector dosage (in order of decreasing effects). It was interesting to note that, as the airflow rate in column flotation increased, water recovery became more sensitive to frother dosage. An experimental model for water recovery based on operational parameters is presented in this article. This study addresses the lack of a comprehensive model for predicting recovery by developing an integrated, data-driven approach that considers simultaneous variations in multiple operational parameters. A significant change was observed on <span>(R_{{text{w}}})</span>. The observed effects and interactions, along with the influence of froth residence time, indicate that accurate prediction of water recovery is possible when both water drainage and the influx of water from the pulp into the froth phase are taken into account. For that reason, it could be assumed that the froth residence time influenced the <span>({R}_{{text{ent}},i})</span> by <span>(R_{{text{w}}})</span>, but did not alter the relative move of solids to water (i.e., the entrainment).</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"77 10","pages":"7610 - 7625"},"PeriodicalIF":2.3,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079001","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}

引用次数: 0

A Comparative Study on the Effect of Potassium on Grain Refinement and Wear Performance of A319 Aluminum Alloy 钾对A319铝合金晶粒细化及磨损性能影响的对比研究

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-15 DOI: 10.1007/s11837-025-07597-4

Mostafa Karamouz, Seyed Mohammad Jesmani, Majid Bagheri

引用次数: 0

Dissolution and Precipitation Behavior of the γ′ Phase During Heat Treatment of the Nickel-Based High-Temperature Alloy K444 镍基高温合金K444热处理中γ′相的溶解与析出行为

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-15 DOI: 10.1007/s11837-025-07573-y

Hao Huang, Yao Huang, Hexin Zhang

{"title":"Dissolution and Precipitation Behavior of the γ′ Phase During Heat Treatment of the Nickel-Based High-Temperature Alloy K444","authors":"Hao Huang, Yao Huang, Hexin Zhang","doi":"10.1007/s11837-025-07573-y","DOIUrl":"10.1007/s11837-025-07573-y","url":null,"abstract":"<div><p>The morphology, volume fraction, and size distribution of the <i>γ</i>′ phase significantly influence the fabrication of high-temperature alloys and their performance under severe service conditions. This study systematically investigates the dissolution, precipitation, and growth behavior of various <i>γ</i>′ phases during heat treatment. The results demonstrate that the <i>γ</i>/<i>γ</i>′ eutectic structure between dendrites decomposes first during the solution treatment, forming coarsened <i>γ</i>′ agglomerates, which subsequently dissolve into the <i>γ</i> matrix. The splitting and dissolution mechanism of the coarsened primary <i>γ</i>′ phase within the <i>γ</i>′ agglomerate regions is clarified. Increasing the solution temperature and prolonging the solution time enhance the growth of secondary <i>γ</i>′ phases by accelerating the splitting and dissolution of the <i>γ</i>/<i>γ</i>″ eutectic structure. During heat treatment, carbide segregation at grain boundaries induces <i>γ</i>′ coarsening at these boundaries. The combined effects of carbides with varying sizes, the coarsened <i>γ</i>′ precipitates at grain boundaries, and the pinning effect of precipitates on local grain boundaries lead to the formation of serrated grain boundary morphologies. These findings enhance the understanding of the evolution of <i>γ</i>′ phases in nickel-based superalloys during heat treatment and provide a theoretical basis for optimizing the heat treatment processes of the K444 alloy.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"77 10","pages":"7655 - 7667"},"PeriodicalIF":2.3,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079045","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}

引用次数: 0

TMS Welcomes New Members to Graduate Student Program in June TMS欢迎新成员加入6月份的研究生项目

IF 2.3 4区材料科学

JOM Pub Date : 2025-07-14 DOI: 10.1007/s11837-025-07593-8

引用次数: 0

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