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Corrosion inhibition performance of expired dicloxacillin for X65 steel in 1 M HCl
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-06 DOI: 10.1016/j.matlet.2025.138147
J.A. Ramírez-Cano, A. Espinoza-Vázquez, K.R. Campos-Anaya, A. Carmona-Hernandez, R. Galván-Martínez, R. Orozco-Cruz
{"title":"Corrosion inhibition performance of expired dicloxacillin for X65 steel in 1 M HCl","authors":"J.A. Ramírez-Cano,&nbsp;A. Espinoza-Vázquez,&nbsp;K.R. Campos-Anaya,&nbsp;A. Carmona-Hernandez,&nbsp;R. Galván-Martínez,&nbsp;R. Orozco-Cruz","doi":"10.1016/j.matlet.2025.138147","DOIUrl":"10.1016/j.matlet.2025.138147","url":null,"abstract":"<div><div>This work reports the evaluation of dicloxacillin (<span><math><mrow><msub><mrow><mi>C</mi></mrow><mrow><mn>19</mn></mrow></msub><msub><mrow><mi>H</mi></mrow><mrow><mn>16</mn></mrow></msub><msub><mrow><mi>C</mi></mrow><mrow><mn>12</mn></mrow></msub><msub><mrow><mi>N</mi></mrow><mrow><mn>3</mn></mrow></msub><msub><mrow><mi>NaO</mi></mrow><mrow><mn>5</mn></mrow></msub><mi>S</mi><mi>⋅</mi><msub><mrow><mi>H</mi></mrow><mrow><mn>2</mn></mrow></msub><mi>O</mi></mrow></math></span>) as a corrosion inhibitor for API 5L X65 steel in acidic media employing electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization curves (PDP). Efficiency increases with concentration, with a maximum value of 76<span><math><mtext>%</mtext></math></span> according to EIS and 77<span><math><mtext>%</mtext></math></span> according to PDP at 100 ppm. Adsorption thermodynamics were studied by fitting EIS experimental data to adsorption isotherms revealing that dicloxacillin follows a mixed adsorption process with <span><math><mrow><mi>Δ</mi><msub><mrow><mi>G</mi></mrow><mrow><mi>a</mi><mi>d</mi><mi>s</mi></mrow></msub></mrow></math></span> of −36.69 kJ mol<sup>−1</sup>.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138147"},"PeriodicalIF":2.7,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143349158","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
Achieving highly homogenous large-size 2.3 GPa ultra-high strength steel by composite shear flow casting: Numerical simulation and experiment
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-06 DOI: 10.1016/j.matlet.2025.138190
Yanlin Wang , Bowei Zhang , Yunhao Liang , Youxing He , Jun Zhao , Xiaohua Zhou , Xiaolu Pang , Zidong Wang
{"title":"Achieving highly homogenous large-size 2.3 GPa ultra-high strength steel by composite shear flow casting: Numerical simulation and experiment","authors":"Yanlin Wang ,&nbsp;Bowei Zhang ,&nbsp;Yunhao Liang ,&nbsp;Youxing He ,&nbsp;Jun Zhao ,&nbsp;Xiaohua Zhou ,&nbsp;Xiaolu Pang ,&nbsp;Zidong Wang","doi":"10.1016/j.matlet.2025.138190","DOIUrl":"10.1016/j.matlet.2025.138190","url":null,"abstract":"<div><div>Ultra-high strength steels are widely used in various industries to meet the demands of lightweight and safe infrastructure, but the ingot size limits its application. Here we develop a highly homogenous 200 kg scale large-size ingot for high Co-Ni secondary hardening steels with 2.3 GPa tensile strength, 1.9 GPa yield strength and 10.3 % elongation by composite shear flow casting technology based on numerical simulation analysis. Numerical results fit well with experimental date and the columnar crystal area of ingot is successively diminished and replaced by equiaxed structures. The excellent mechanical property was attributed to the synergy benefits of high density M<sub>2</sub>C carbides dispersed in the tempered martensitic matrix with high dislocation density.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"386 ","pages":"Article 138190"},"PeriodicalIF":2.7,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143395867","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
Rational hydrogel design to improve brain modulus matching for implantation
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-05 DOI: 10.1016/j.matlet.2025.138187
Molli Garifo , Keturah Bethel , Eric M. Davis , Jessica Larsen
{"title":"Rational hydrogel design to improve brain modulus matching for implantation","authors":"Molli Garifo ,&nbsp;Keturah Bethel ,&nbsp;Eric M. Davis ,&nbsp;Jessica Larsen","doi":"10.1016/j.matlet.2025.138187","DOIUrl":"10.1016/j.matlet.2025.138187","url":null,"abstract":"<div><div>Treating the brain is challenging due to the restrictive blood–brain barrier, and modulus-mismatched implants often cause problems. Herein, we have fabricated copolymer hydrogels from thermoresponsive polymer, poly(N-isopropylacrylamide) (PNIPAAm), -r-hydrophilic polymer, poly(acrylic acid) (PAA), which are injectable and transform into soft implants above their lower critical solution temperature (LCST). PAA concentration can be leveraged to tune the LCST and viscosity of the PNIPAAm–<em>r</em>–PAA hydrogel in solution. Furthermore, the Young’s moduli of these materials, ranging from 1-4 kPa, are close to rat and human brain tissue, potentially leading to less inflammation and rejection due to significant modulus mismatch.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138187"},"PeriodicalIF":2.7,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143350081","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
Coal mining waste valorization in cement materials: A new approach to reduce soluble sulfates
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-04 DOI: 10.1016/j.matlet.2025.138181
Juliana Acordi , Lisandro Simão , Eduarda Fraga Olivo , Richard Minatto Mezari , Luyza Bortolotto Teixeira , Morgana Nuernberg Sartor Faraco , Emily Saviatto , Jairo José Zocche , Fabiano Raupp-Pereira
{"title":"Coal mining waste valorization in cement materials: A new approach to reduce soluble sulfates","authors":"Juliana Acordi ,&nbsp;Lisandro Simão ,&nbsp;Eduarda Fraga Olivo ,&nbsp;Richard Minatto Mezari ,&nbsp;Luyza Bortolotto Teixeira ,&nbsp;Morgana Nuernberg Sartor Faraco ,&nbsp;Emily Saviatto ,&nbsp;Jairo José Zocche ,&nbsp;Fabiano Raupp-Pereira","doi":"10.1016/j.matlet.2025.138181","DOIUrl":"10.1016/j.matlet.2025.138181","url":null,"abstract":"<div><div>Pyritic coal mining waste (CMW), resulted from coal beneficiation, causes the oxidation of pyrite and consequent formation of ferrous sulfate and sulfuric acid (also known as acid mine drainage), which has become a problem for the coal sector. Despite the potential valorization of CMW in cementitious materials, its use in mortars is limited by the presence of sulfates that generate efflorescence in the final product. This study proposes, for the first time, the utilization of a granulometric fraction of CMW mixed with barium carbonate in cementitious blends to convert soluble salts into insoluble compounds (products) through a chemical reaction. Verifying of ionic conductivity before and after the addition of BaCO<sub>3</sub> was used as an analysis parameter. BaCO<sub>3</sub> reduced conductivity, increased the pH of the sampled fractions and suppressed the development of efflorescence in the produced cementitious mortars.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138181"},"PeriodicalIF":2.7,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143263107","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
Study on the mechanical properties of sodium hydroxide activated steel slag for loess improvement
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-04 DOI: 10.1016/j.matlet.2025.138179
Guohai Zhu , Yunsheng Zhang , Yu Zhang , Meng Wu , Jiufu Zhang , Zhiyong Wang , Dongdong Fan , Juan Chen
{"title":"Study on the mechanical properties of sodium hydroxide activated steel slag for loess improvement","authors":"Guohai Zhu ,&nbsp;Yunsheng Zhang ,&nbsp;Yu Zhang ,&nbsp;Meng Wu ,&nbsp;Jiufu Zhang ,&nbsp;Zhiyong Wang ,&nbsp;Dongdong Fan ,&nbsp;Juan Chen","doi":"10.1016/j.matlet.2025.138179","DOIUrl":"10.1016/j.matlet.2025.138179","url":null,"abstract":"<div><div>This study investigates the effects of sodium hydroxide activated steel slag on the mechanical properties of loess. The results show that the addition of sodium hydroxide reduced the optimal moisture content, significantly increased the unconfined compressive strength and water stability of loess in the early stages, and effectively improved its shear strength in the later stages. Among these, sodium hydroxide had the most significant impact on the mechanical properties and water stability of the loess after 28 days. This study provides scientific evidence and technical reference for the application of chemically activated steel slag in loess subgrade improvement.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138179"},"PeriodicalIF":2.7,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143263108","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 robust ion transport channel sulfonated modified separator for aqueous zinc-ion battery
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-04 DOI: 10.1016/j.matlet.2025.138182
Chenlong Wang , Wenbin Tang , Jin Xu , Yifan Zu , YanYan Sun , Anfang Wei , Wenqi Nie
{"title":"A robust ion transport channel sulfonated modified separator for aqueous zinc-ion battery","authors":"Chenlong Wang ,&nbsp;Wenbin Tang ,&nbsp;Jin Xu ,&nbsp;Yifan Zu ,&nbsp;YanYan Sun ,&nbsp;Anfang Wei ,&nbsp;Wenqi Nie","doi":"10.1016/j.matlet.2025.138182","DOIUrl":"10.1016/j.matlet.2025.138182","url":null,"abstract":"<div><div>The traditional glass fiber separator exhibits weak interaction with the electrolyte and low transport efficiency, limiting its application in zinc-ion batteries. In this study, we propose a simple approach to construct sulfonated modified separator (GF-SO<sub>3</sub>) that facilitates robust ion transport channel for aqueous zinc-ion battery. The strong interaction between SO<sub>3</sub><sup>-</sup> and Zn<sup>2+</sup> cation enhances the embedding of zinc ions in the cathode. When assembled with zinc sheets anode and VOH cathode to form a button cell, the GF-SO<sub>3</sub> separator demonstrates a high specific capacity of 180 mAh/g at 0.5 A/g, maintaining 64.5 mAh/g after 500 cycles at 5 A/g, significantly superior to commercial glass fiber separator.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138182"},"PeriodicalIF":2.7,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143350079","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
Dry-processed and porosity-enhanced freestanding graphite anodes for highly performing lithium-ion batteries
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-04 DOI: 10.1016/j.matlet.2025.138184
Jinho Jang , Alloyssius E.G. Gorospe , Weon Ho Shin , Dongwook Lee
{"title":"Dry-processed and porosity-enhanced freestanding graphite anodes for highly performing lithium-ion batteries","authors":"Jinho Jang ,&nbsp;Alloyssius E.G. Gorospe ,&nbsp;Weon Ho Shin ,&nbsp;Dongwook Lee","doi":"10.1016/j.matlet.2025.138184","DOIUrl":"10.1016/j.matlet.2025.138184","url":null,"abstract":"<div><div>We present a novel approach to enhance the effective charge capacity and rate capability of Lithium-ion batteries (LIBs) by introducing pores into freestanding natural graphite electrode to exclude inactive copper current collectors, through a dry processing technique. The porous architecture formed via naphthalene sublimation improves electrolyte impregnation, boosting rate capability. It outperforms conventional slurry-based and non-porous high-loading dry electrodes, making this porogen-assisted freestanding approach promising for next-generation LIBs.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138184"},"PeriodicalIF":2.7,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143350083","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
Van der Waals epitaxy GaN on fluorophlogopite mica for transfer-free flexible UV photodetector
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-04 DOI: 10.1016/j.matlet.2025.138185
Yingzhao Geng , Yang Xu , Ruiming Li , Xu Li , Xiao Wang , Qianqian Lin , Hao Wu , Chang Liu
{"title":"Van der Waals epitaxy GaN on fluorophlogopite mica for transfer-free flexible UV photodetector","authors":"Yingzhao Geng ,&nbsp;Yang Xu ,&nbsp;Ruiming Li ,&nbsp;Xu Li ,&nbsp;Xiao Wang ,&nbsp;Qianqian Lin ,&nbsp;Hao Wu ,&nbsp;Chang Liu","doi":"10.1016/j.matlet.2025.138185","DOIUrl":"10.1016/j.matlet.2025.138185","url":null,"abstract":"<div><div>GaN thin films have been deposited on flexible and high-temperature-resistant fluorophlogopite mica (F-mica) substrates by molecular beam epitaxy. The in-plane epitaxial relationship between GaN and F-mica has been proved to be GaN[11–20]//F-mica[010]. Subsequently, graphene was transferred onto the GaN thin films to serve as a transparent electrode for the fabrication of ultraviolet detectors, and 0.3 A/W responsivity was measured at −1 V under 365 nm ultraviolet illumination with an intensity of 0.1 mW/cm<sup>2</sup>. Meanwhile, after multiple bending cycles, the crystalline structure of GaN and the photocurrents of the devices remained stable.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138185"},"PeriodicalIF":2.7,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143372873","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
Mechanical and Sliding Wear Properties of sintered porous Ti-4Co alloy of tailored density
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-03 DOI: 10.1016/j.matlet.2025.138176
J.P. Shakya , Anurag Kulshreshtha , Sudhir Sharma , G.P. Sahu , Ajaya Bharti , Pradeep Singh
{"title":"Mechanical and Sliding Wear Properties of sintered porous Ti-4Co alloy of tailored density","authors":"J.P. Shakya ,&nbsp;Anurag Kulshreshtha ,&nbsp;Sudhir Sharma ,&nbsp;G.P. Sahu ,&nbsp;Ajaya Bharti ,&nbsp;Pradeep Singh","doi":"10.1016/j.matlet.2025.138176","DOIUrl":"10.1016/j.matlet.2025.138176","url":null,"abstract":"<div><div>This work examines mechanical and sliding wear behaviour of low to highly porous Ti-4Co (wt. %) alloy. The samples with relative densities of 0.57, 0.41, and 0.31 exhibited yield strengths of 180 MPa, 16 MPa, and 3 MPa, respectively, while their corresponding elastic moduli were 38 GPa, 6 GPa, and 4 GPa. Hardness is also strong function of relative density (RD) as well as radial distance and found its maximum and minimum value 200 and 80 HV. In wear test, slight increment in coefficient of friction with constant specific wear rate was observed for the sample having RD 0.57 for 400–2000 m sliding distance. Conversely, a significant reduction in coefficient of friction (16 %) and specific wear rate (50 %) was seen for the sample with RD 0.41. However, highly porous sample (RD = 0.31) encountered surface wipe-off, resulting an alarming wear rate.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138176"},"PeriodicalIF":2.7,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143350078","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
Microstructure evolution and plastic deformation of quinary Zr-Ni-Cu-Al-Co amorphous-crystalline hybrid alloy
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-02-03 DOI: 10.1016/j.matlet.2025.138178
B.W. Wu, L. Hu, X.L. Mi, Q. Long, Y.H. Jing, B. Wei
{"title":"Microstructure evolution and plastic deformation of quinary Zr-Ni-Cu-Al-Co amorphous-crystalline hybrid alloy","authors":"B.W. Wu,&nbsp;L. Hu,&nbsp;X.L. Mi,&nbsp;Q. Long,&nbsp;Y.H. Jing,&nbsp;B. Wei","doi":"10.1016/j.matlet.2025.138178","DOIUrl":"10.1016/j.matlet.2025.138178","url":null,"abstract":"<div><div>An amorphous-crystalline hybrid microstructure was fabricated by adjusting the solidification mechanism of quinary Zr<sub>58</sub>Cu<sub>17</sub>Ni<sub>12</sub>Al<sub>11</sub>Co<sub>2</sub> alloy. At low cooling rates below 1.2 × 10<sup>4</sup> K·s<sup>−1</sup>, lamellar (Zr<sub>8</sub>Cu<sub>5</sub> + Zr<sub>2</sub>Cu) eutectic growth dominated its solidification process, whereas Zr<sub>8</sub>Cu<sub>5</sub> phase would grow independently at higher cooling rates. The critical cooling rate for amorphous transition was determined as 5 × 10<sup>4</sup> K·s<sup>−1</sup>, beyond which the nucleation and growth of Zr<sub>8</sub>Cu<sub>5</sub> phase were suppressed and liquid alloy transformed to amorphous phase. The compressive deformation mechanisms were modulated by such microstructure variation. Fracture analysis suggested that the tiny Zr<sub>8</sub>Cu<sub>5</sub> grains formed in metallic glass induced the formation of multiple shear bands and thus promoted plastic deformation. Once grain size increased to 92.2 μm, the fracture mechanism changed from intergranular fracture to transgranular fracture, which reduced the plastic deformation. The maximum plastic deformation attained 3 % at 1.2 × 10<sup>4</sup> K·s<sup>−1</sup> cooling rate, which was 3.5 times greater than that of pure metallic glass.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"385 ","pages":"Article 138178"},"PeriodicalIF":2.7,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143349157","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
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