Bulletin of Materials Science最新文献

Effect of beam oscillation on the microstructure, residual stress, mechanical and corrosion properties of electron beam welded AISI 304SS joints 电子束振荡对电子束焊接AISI 304SS接头显微组织、残余应力、力学性能和腐蚀性能的影响

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-10-03 DOI: 10.1007/s12034-025-03454-x

A Rathore, G G Roy, J K Singh, J Dutta Majumdar

{"title":"Effect of beam oscillation on the microstructure, residual stress, mechanical and corrosion properties of electron beam welded AISI 304SS joints","authors":"A Rathore, G G Roy, J K Singh, J Dutta Majumdar","doi":"10.1007/s12034-025-03454-x","DOIUrl":"10.1007/s12034-025-03454-x","url":null,"abstract":"<div>The present study concerns the understanding of the effect of beam oscillation on electron beam welded AISI 304 stainless steel. The effect of beam oscillation on the microstructure, mechanical properties and electrochemical properties of electron beam welded AISI 304 stainless steel has been analysed. Welding was carried out using an 80 kV, 12 kW electron beam welding unit, using a static beam and an oscillated beam of varied oscillation diameters (1 and 2 mm). The weld morphology in terms of microstructure and residual stress developed in the weld zone was evaluated. A static beam led to the formation of skeletal dendrites in the fusion zone, while the application of an oscillated beam developed a combination of dendrites of lathy and skeletal morphology. The residual stress developed in the fusion zone and heat-affected zone was meticulously measured and was found to vary with welding parameters. The hardness measurement showed a marginally higher microhardness in the fusion zone when beam oscillation was applied (250 VHN) as compared to static beam (245 VHN). Tensile strength variation shows that an oscillated beam offers a higher yield strength (281–270 MPa) and ultimate tensile strength (785–794 MPa) as compared to the static beam (263 and 751 MPa). The percentage elongation in the weld zone developed with an oscillated beam was 127%, which was 21% higher than that of static beam weld (106%). The electrochemical corrosion behaviour also showed a superior corrosion resistance of the weld zone when beam oscillation was applied. The enhancement of mechanical and electrochemical properties developed by oscillated beams has been stated.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 4","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145210247","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

Influences of diamond-like carbon coating on corrosion resistance of nitriding AISI 316L substrate 类金刚石碳涂层对氮化AISI 316L基体耐蚀性的影响

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-29 DOI: 10.1007/s12034-025-03472-9

Mahshid Kazemi, Akbar Eshaghi, Mazaher Ramazani, Abbas Ali Aghaei

引用次数: 0

Improvement of pitting corrosion resistance of AISI type SS 304L in chloride medium 提高AISI型ss304l在氯化物介质中的耐点蚀性

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-25 DOI: 10.1007/s12034-025-03477-4

Gopinath Shit

引用次数: 0

Optical and electrical characterization of 2D semiconducting graphitic carbon nitride by terahertz time-domain spectroscopy 二维半导体石墨氮化碳的太赫兹时域光谱光学和电学表征

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-23 DOI: 10.1007/s12034-025-03459-6

U B Memon, A Ibrahim, G Rana, S Prabhu, S P Duttagupta, A Sarkar, R K Singh Raman

{"title":"Optical and electrical characterization of 2D semiconducting graphitic carbon nitride by terahertz time-domain spectroscopy","authors":"U B Memon, A Ibrahim, G Rana, S Prabhu, S P Duttagupta, A Sarkar, R K Singh Raman","doi":"10.1007/s12034-025-03459-6","DOIUrl":"10.1007/s12034-025-03459-6","url":null,"abstract":"<div>In this report, the structural, morphological and electro-optical analysis of 2-D graphitic carbon nitride (g-C3N4) nano-sheets has been performed. The g-C3N4 nano-sheets were synthesized based on the thermal calcination process and characterized by transmission electron microscopy (TEM). X-ray diffraction studies (XRD) showed the inter-layer spacing to be 0.323 nm for the (002) plane which is 3.5% more dense than crystalline graphite and higher than literature reports for g-C3N4. For the evaluation of electro-optical properties, we have utilized time-domain spectroscopy for the frequency range 0.2 to 2 THz. The complex reflective indices (n, k) and permittivity ((epsilon , epsilon {prime})) for g-C3N4 have been determined. The complex conductivity has been observed to increase monotonically with an increase in frequency. The mobility of g-C3N4 has been theoretically estimated. The terahertz band properties such as plasma frequency, damping rate (0.095 THz), and collision time, were calculated for the synthesized material. The high permittivity value for g-C3N4 as reported in this work is promising for THz frequency selective components such as resonators, absorbers and collimators.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 4","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168389","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

Preparation of a tin coating on copper surface in methanesulfonic acid and its corrosion resistance 甲基磺酸中铜表面锡涂层的制备及其耐蚀性

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-23 DOI: 10.1007/s12034-025-03469-4

Feiyu Hu, Hualiang Huang

引用次数: 0

Alternating current losses in MgB2 added bulk (Bi,Pb)-2223 superconductor MgB2添加块体(Bi,Pb)-2223超导体的交流电损耗

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-23 DOI: 10.1007/s12034-025-03475-6

D Tripathi, B C Joshi, Mohd Saif, Himanshu Pandey, Shalini Raj, T K Dey

{"title":"Alternating current losses in MgB2 added bulk (Bi,Pb)-2223 superconductor","authors":"D Tripathi, B C Joshi, Mohd Saif, Himanshu Pandey, Shalini Raj, T K Dey","doi":"10.1007/s12034-025-03475-6","DOIUrl":"10.1007/s12034-025-03475-6","url":null,"abstract":"<div>This study investigates the alternating current (AC) losses in pristine and MgB2-added bulk Bi1.8Pb0.20Sr2Ca2Cu3O10+δ ((Bi, Pb)-2223) superconductors at 77 K. Polycrystalline pellets of (Bi, Pb)-2223 and 0.5, 1 and 2 wt.% MgB2-added bulk (Bi, Pb)-2223 were synthesized using a solid-state reaction process. X-Ray diffraction (XRD) analysis confirms the presence of (Bi, Pb)-2223 as the primary phase in the crystal structure. Electrical resistivity measurements between 77 and 300 K reveals a decrease in the transition temperature (Tc) and an increase in the transition width (∆Tc) of (Bi, Pb)-2223 with increasing MgB2 concentration. Diamagnetic response of the samples indicates a decrease in the superconducting volume fraction of (Bi, Pb)-2223 upon MgB2 addition. Magnetic AC losses were measured as a function of applied magnetic field and frequency. The eddy loss contribution, estimated using the expression reported by Chattopadhyay and Dey [1,15,,2] has a measly contribution and hence confirms the dominant role of hysteresis loss in total magnetic AC losses.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 4","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168390","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

Influence of temperature on charge carrier generation in P3HT: PCBM tandem organic solar cell devices 温度对P3HT: PCBM串联有机太阳能电池中载流子产生的影响

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-18 DOI: 10.1007/s12034-025-03466-7

Mamta Rawat, Pinaki Laha

{"title":"Influence of temperature on charge carrier generation in P3HT: PCBM tandem organic solar cell devices","authors":"Mamta Rawat, Pinaki Laha","doi":"10.1007/s12034-025-03466-7","DOIUrl":"10.1007/s12034-025-03466-7","url":null,"abstract":"<div>The performance and stability of ITO/PEDOT:PSS Layer 2/P3HT: PCBM Layer 1/ZnO/interface/PEDOT:PSS Layer 1/P3HT: PCBM Layer 2/aluminium tandem organic solar cells are significantly influenced by the thermal annealing process. This study mainly focuses on how the annealing temperature changes the efficiency and overall performance of the solar cells. By systematically varying the working temperature, we investigate its impact on the electrical properties of the active layer, which directly correlates with the device’s photovoltaic performance. The results demonstrate that an optimal temperature improves the charge mobility and reduces recombination. These findings provide valuable insights into the thermal processing P3HT: PCBM tandem organic solar cells, offering a pathway to enhance their durability and practical viability for large-scale solar energy applications. By methodically varying the annealing temperature, we aim to understand the relationship between the temperature and key performance metrics, such as short-circuit current density (JSC), open-circuit voltage (VOC), fill factor (FF) and overall power conversion efficiency (PCE). VOC and JSC value decrease linearly with increasing temperature. Simulation results show that at 290 K, the device achieves its highest performance with a VOC of 0.923 V, JSC of −3.15 mA cm−2, a fill factor of 39.3% and a PCE of 1.14%. This result paves the way for various opportunities to enhance the performance of P3HT: PCBM based organic solar cells.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 4","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145073763","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

Synthesis of SiC powders by carbothermal reduction reaction using the recycling of iron ore tailings 回收铁矿尾矿碳热还原法制备SiC粉体

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-13 DOI: 10.1007/s12034-025-03482-7

Shunan Niu, Lijun Zheng, Zhuo Yao, Jifu Wang, Yunhe Guan

引用次数: 0

Impact of interfacial charge separation on the superior dielectric properties of novel WO3·H2O/W18O49 heterojunction 界面电荷分离对新型WO3·H2O/W18O49异质结优越介电性能的影响

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-12 DOI: 10.1007/s12034-025-03471-w

Surbhi Sharma, Jaspreet Kaur, Rajesh Kumar

{"title":"Impact of interfacial charge separation on the superior dielectric properties of novel WO3·H2O/W18O49 heterojunction","authors":"Surbhi Sharma, Jaspreet Kaur, Rajesh Kumar","doi":"10.1007/s12034-025-03471-w","DOIUrl":"10.1007/s12034-025-03471-w","url":null,"abstract":"<div>The elementary and critical process in dielectric capacitors is interfacial charge separation. In this work, we propose the synthesis and investigation of the optical, electrical and dielectric properties of a WO3·H2O/W18O49 heterojunction with optimized oxygen vacancies for efficient charge storage applications. Tungsten-oxide-based heterojunctions were synthesized via a co-precipitation method using varying HCl concentrations. XRD analysis confirmed the formation of distinct phases, while XPS and Raman spectra revealed effective charge transfer and structural defects. UV-DRS studies highlighted the formation of oxygen-deficient m-W18O49. Enhanced dielectric constant, low impedance and increased conductivity were observed, particularly with low HCl concentrations, due to improved interfacial charge separation in WO3·H2O/W18O49 heterojunction. These properties make the WO3·H2O/W18O49 heterojunction a promising candidate for energy storage applications, offering significant advantages such as improved cyclic stability, power density and reduced heat generation.<h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 4","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145037087","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

Revolutionizing textile safety: advanced flame retardant and thermal stability with HAp–AMP coatings 彻底改变纺织品安全：HAp-AMP涂层具有先进的阻燃性和热稳定性

IF 2.1 4区材料科学

Bulletin of Materials Science Pub Date : 2025-09-04 DOI: 10.1007/s12034-025-03473-8

Souhayla Latifi, Sanaâ Saoiabi, Aicha Boukhriss, Said Gmouh, Ahmed Saoiabi

{"title":"Revolutionizing textile safety: advanced flame retardant and thermal stability with HAp–AMP coatings","authors":"Souhayla Latifi, Sanaâ Saoiabi, Aicha Boukhriss, Said Gmouh, Ahmed Saoiabi","doi":"10.1007/s12034-025-03473-8","DOIUrl":"10.1007/s12034-025-03473-8","url":null,"abstract":"<div>This study investigates the enhancement of thermal stability and flame-retardant properties of textile materials through the incorporation of hydroxyapatite grafted with varying percentages of aminotrimethyl phosphonate (HAp–AMP). Using a MATHIS type SV manual coating machine, textiles were treated with different concentrations of AMP–HAp (2.5, 5, 10 and 20%) in a polyamide (PA) matrix. The mechanical properties, thermal stability and flame resistance of the treated fabrics were evaluated through standardized tests, including tensile strength and elongation measurements according to NF EN ISO 13934-1: 2013, thermogravimetric analysis, and flame tests per NF EN ISO 6940:2004–08. The results indicate significant improvements in the thermal and flame-retardant performance of the coated fabrics. Higher concentrations of AMP–HAp demonstrated superior resistance to thermal degradation and flame propagation, with the PA + 15 AMP–HAp sample showing the most robust performance. Scanning electron microscopy confirmed the formation of a uniform and dense coating layer, contributing to the enhanced properties. The study concludes that AMP–HAp coatings effectively improve the flame retardancy and durability of textiles, making them suitable for applications requiring high thermal and fire resistance.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144934633","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