Materials LettersPub Date : 2025-04-14DOI: 10.1016/j.matlet.2025.138575
Yi Li , Fulin Jiang , Xiejun Hu , Yunhai Wang , Shu Hu , Jie Tang , Hui Zhang , Lei Liu , Ruifa Feng , Guoxing Li , Yao Wang , Yuxiang Lai , Jianghua Chen
{"title":"Simultaneously improved strength, ductility and conductivity in a Be-added Al-Mg-Si alloy conductor under various heat treatments","authors":"Yi Li , Fulin Jiang , Xiejun Hu , Yunhai Wang , Shu Hu , Jie Tang , Hui Zhang , Lei Liu , Ruifa Feng , Guoxing Li , Yao Wang , Yuxiang Lai , Jianghua Chen","doi":"10.1016/j.matlet.2025.138575","DOIUrl":"10.1016/j.matlet.2025.138575","url":null,"abstract":"<div><div>Al-Mg-Si alloy conductors require high strength, ductility, and conductivity for electrical applications. Common strengthening methods like microalloying and severe plastic deformation typically compromise ductility and conductivity. In this work, Be addition in Al-0.68 Mg-0.57Si alloy conductor synchronously improved tensile strength, elongation, and conductivity under two typical heat treatments. Be addition could delay the early precipitation kinetics, refine precipitate size while increase density and volume fraction. The HAADF-STEM, EELS, and DFT calculations revealed that Be atoms substituted Al and vacancies in <em>B′</em> precipitate, enabled <em>β″</em>-<em>B′</em> co-existence during aging treatment.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138575"},"PeriodicalIF":2.7,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143838602","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}
Materials LettersPub Date : 2025-04-14DOI: 10.1016/j.matlet.2025.138582
Y.G. Deng, B.D. Cui, Y. Li
{"title":"Superior microwave absorption properties of FeNi/graphene composites prepared by the hydrothermal synthesis technique","authors":"Y.G. Deng, B.D. Cui, Y. Li","doi":"10.1016/j.matlet.2025.138582","DOIUrl":"10.1016/j.matlet.2025.138582","url":null,"abstract":"<div><div>A FeNi/Graphene composite with superior microwave absorption properties was synthesized via the hydrothermal technique. The results show that the reflection loss (RL) significantly improves with an increase in the Graphene content. The sample GN3 achieves an RLmin of −22.92 dB at 12 GHz, exhibiting an effective bandwidth of less than −10 dB across a span of 4.84 GHz (8.15–12.99 GHz). The synergistic effects of multiple loss mechanisms, including interface polarization and eddy current loss, contributes to the overall microwave absorption performance.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138582"},"PeriodicalIF":2.7,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143833748","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}
Materials LettersPub Date : 2025-04-14DOI: 10.1016/j.matlet.2025.138579
J. Park, J. Oh, S. Kim, S. Lee, C.H. Chung, J.S. Park
{"title":"Abnormal oxidation behaviors of Cr additions on AlMo0.5NbTa0.5TiZr refractory high-entropy alloy","authors":"J. Park, J. Oh, S. Kim, S. Lee, C.H. Chung, J.S. Park","doi":"10.1016/j.matlet.2025.138579","DOIUrl":"10.1016/j.matlet.2025.138579","url":null,"abstract":"<div><div>This study investigates the effect of Cr additions on the microstructures and high-temperature oxidation behaviors of AlMo<sub>0.5</sub>NbTa<sub>0.5</sub>TiZrCr<sub>x</sub> (x = 0, 0.5, 2, 5) refractory high entropy alloys. Lab-scale oxidation tests at 1300 °C for up to 5 h revealed superior oxidation resistance in the 0.5 at% Cr alloy. Increased Cr content led to preferential segregation in intermetallic regions, while excessive Cr accelerated CrO<sub>3</sub>(g) volatilization, compromising oxidation resistance.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138579"},"PeriodicalIF":2.7,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844000","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}
Materials LettersPub Date : 2025-04-13DOI: 10.1016/j.matlet.2025.138580
Hassan Raza , Sana Ullah , Awais Akhtar , Ghulam Abbas Gohar , Idris Temitope Bello , Ali Raza , Arslan Ahmed
{"title":"Enhancing lithium-sulfur battery performance through the integration of six-metal high entropy oxides","authors":"Hassan Raza , Sana Ullah , Awais Akhtar , Ghulam Abbas Gohar , Idris Temitope Bello , Ali Raza , Arslan Ahmed","doi":"10.1016/j.matlet.2025.138580","DOIUrl":"10.1016/j.matlet.2025.138580","url":null,"abstract":"<div><div>Lithium sulfur (Li-S) batteries could provide high energy density for electric vehicles. Nonetheless, their uses are hindered by the shuttle effect and slow redox kinetics, necessitating multi-metal electrocatalysts. A novel high entropy oxide (Fe-HEO) is fabricated using MOF template with six metals and used as sulfur host and electrocatalyst. The Fe-HEO facilitated active sites for lithium polysulfides (LPS) anchoring and improved redox conversion kinetic. Thus, Fe-HEO@S exhibited a high discharge capacity (∼1264mAh g<sup>−1</sup> at 0.1C) and maintained ∼ 616mAh g<sup>−1</sup> after 500 cycles (1C) with smaller decay rate of 0.08 % per cycle. It also demonstrated exceptional rate capability (∼715mAh g<sup>−1</sup> at 2C) and 73 % reversibility. This work highlights the fabrication of six metal HEO and showcases the excellent electrochemical performance of Li-S batteries.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138580"},"PeriodicalIF":2.7,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143833750","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":"CALPHAD optimization of SiO2-B2O3-Al2O3-ZnO-CaO-Na2O-Li2O-MoO3 system and their applications to high-level radioactive waste vitrification","authors":"Toru Sugawara , Toshiaki Ohira , Kohei Owaku , Norio Kanehira , Takeshi Tsukada","doi":"10.1016/j.matlet.2025.138540","DOIUrl":"10.1016/j.matlet.2025.138540","url":null,"abstract":"<div><div>Element partitioning behavior between immiscible silicate melt and molybdate melt was determined by phase equilibrium experiments in the SiO<sub>2</sub>-B<sub>2</sub>O<sub>3</sub>-Al<sub>2</sub>O<sub>3</sub>-ZnO-CaO-Na<sub>2</sub>O-Li<sub>2</sub>O-MoO<sub>3</sub> system at 1200 °C and 1000 °C. By combining these results and thermodynamic data of silicate melts and molybdenum compounds, CALPHAD analysis was performed to construct a database for thermodynamic calculation of phase equilibria for MoO<sub>3</sub>-bearing alumino-borosilicate melts. The thermodynamic database will be useful for predicting the phase separation of molybdate melt and crystallization of Powellite (CaMoO<sub>4</sub>) in vitrification process of high-level radioactive waste.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138540"},"PeriodicalIF":2.7,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143839259","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}
Materials LettersPub Date : 2025-04-11DOI: 10.1016/j.matlet.2025.138556
Xin Zhang , Wenxiao Wang , Yi Tao , Haobo Yang
{"title":"Effect of texture shape on the tribological behavior of metal friction pairs under dry sliding conditions: FEM and characterization","authors":"Xin Zhang , Wenxiao Wang , Yi Tao , Haobo Yang","doi":"10.1016/j.matlet.2025.138556","DOIUrl":"10.1016/j.matlet.2025.138556","url":null,"abstract":"<div><div>The surface micro-texturing technology for controlling the topography of friction interface surfaces represents a crucial method for shape regulation. This study investigates the effects of texture shape on tribological performance by texturing square, rhombic, and elliptical micro-textures on the SUS304 surface. Principal component analysis is utilized to decompose the friction coefficient, elucidating the textured surfaces’ friction mechanisms. The results indicate that different texture shapes influence the friction coefficient of the friction pair, the stress distribution at the friction interface, and the wear characteristics. Under lower loads, the rhombic-textured material demonstrates the most effective friction reduction, with an average friction coefficient reduced by 45 % compared to untextured samples, and a minimum wear rate of 1.03 × 10<sup>-5</sup> mm<sup>3</sup>/(N·m).</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138556"},"PeriodicalIF":2.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143839257","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}
Materials LettersPub Date : 2025-04-11DOI: 10.1016/j.matlet.2025.138572
Linjie Wen , Fuge Chen , Hongyi Li , Yuchang Ran , Di Dong , Jinshu Wang
{"title":"Improve the weldability of molybdenum by introducing Ti during electron beam welding","authors":"Linjie Wen , Fuge Chen , Hongyi Li , Yuchang Ran , Di Dong , Jinshu Wang","doi":"10.1016/j.matlet.2025.138572","DOIUrl":"10.1016/j.matlet.2025.138572","url":null,"abstract":"<div><div>The effect of adding Ti on the microstructure and properties of electron beam welded molybdenum joints had been investigated in this study. It is found that the depth-to-width ratio of welded joint with the addition of Ti, which can be explained by the mechanisms of molten pool flow and energy absorption. Meanwhile, the addition of Ti promotes the formation of Ti<sub>6</sub>O<sub>11</sub> as a second phase during the welding process, which acts as a strengthening agent, reducing the grain size in the molten pool region and subsequently enhancing the mechanical properties of the joints, with the tensile strength increased by 400%.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"394 ","pages":"Article 138572"},"PeriodicalIF":2.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874071","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}
Materials LettersPub Date : 2025-04-11DOI: 10.1016/j.matlet.2025.138573
Xu Wang , Haiyan Zhang , Chaoxiong Qu , Zhiquan Huang , Mingxing Hu , Dean Deng
{"title":"Effect of microstructural orientation on the mechanical properties of 316LN at 77 K and 298 K produced by wire arc additive manufacturing process","authors":"Xu Wang , Haiyan Zhang , Chaoxiong Qu , Zhiquan Huang , Mingxing Hu , Dean Deng","doi":"10.1016/j.matlet.2025.138573","DOIUrl":"10.1016/j.matlet.2025.138573","url":null,"abstract":"<div><div>A single-wall part fabricated from 316LN austenitic stainless steel using gas tungsten arc welding (GTAW) within the wire arc additive manufacturing (WAAM) process was subjected to tensile and impact testing at 298 K and 77 K to investigate the influence of microstructural orientation. The results revealed a pronounced orientation-dependent variation in tensile strength, elongation, and impact energy, while yield strength remained unaffected. Furthermore, both yield and tensile strengths exhibited a substantial increase (approximately twofold) at 77 K compared to 298 K. A significant increase in mechanical properties was observed at 77 K within the building direction.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138573"},"PeriodicalIF":2.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143825391","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":"Corrigendum to “Bionic composite nanofibrous aerogel inspired by blind shrimp for broad temperature range thermal insulation and broad frequency range noise reduction” [Mater. Lett. 389 (2025) 138381]","authors":"Peng Zhang, Kunfeng Li, Shuang Zhao, Zhen Zhang, Yilong Song, Zhicong Gan, Zichun Yang","doi":"10.1016/j.matlet.2025.138527","DOIUrl":"10.1016/j.matlet.2025.138527","url":null,"abstract":"","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138527"},"PeriodicalIF":2.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143852288","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}
Materials LettersPub Date : 2025-04-11DOI: 10.1016/j.matlet.2025.138571
Congying Wang , Xiaorong Cai , Marisol Koslowski , John Blendell , Carol Handwerker
{"title":"Effects of grain boundary geometry on rotation-induced Sn whisker formation during thermal cycling","authors":"Congying Wang , Xiaorong Cai , Marisol Koslowski , John Blendell , Carol Handwerker","doi":"10.1016/j.matlet.2025.138571","DOIUrl":"10.1016/j.matlet.2025.138571","url":null,"abstract":"<div><div>While previous studies linked whisker formation to various factors in Sn films, the influence of local grain boundary (GB) characteristics on nucleation mechanisms needed further investigation. This study examines how GB geometry and misorientation changes influence whisker nucleation by combining experimental characterization and crystal plasticity simulations. We establish a comprehensive whisker nucleation model where: (1) GB yielding occurs under local compressive stresses, influenced by GB misorientation; (2) normal displacements accumulate at GBs when shear stresses exceed a threshold; (3) localized grain rotation compensates shape changes; and (4) subgrain formation occurs as rotation intensifies, leading to the formation of new grain boundaries. Our results reveal that GB geometry controls this process by determining normal displacement differences through coefficient of thermal expansion mismatches and dictating whether newly nucleated grains achieve necessary configurations for whisker growth.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138571"},"PeriodicalIF":2.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823429","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}