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Effect of ionic liquid as corrosion inhibitor for 6061 aluminium alloy-(electrochemical and quantum chemical approaches) 离子液体作为6061铝合金缓蚀剂的效果——(电化学和量子化学方法)
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-07-29 DOI: 10.1080/10667857.2023.2238414
Namitha Kedimar, P. Rao, S. A. Rao
{"title":"Effect of ionic liquid as corrosion inhibitor for 6061 aluminium alloy-(electrochemical and quantum chemical approaches)","authors":"Namitha Kedimar, P. Rao, S. A. Rao","doi":"10.1080/10667857.2023.2238414","DOIUrl":"https://doi.org/10.1080/10667857.2023.2238414","url":null,"abstract":"ABSTRACT Ionic liquid 1,3-dimethylimidazolium dimethyl phosphate (DIDP) is used as a possible green inhibitor for the corrosion control of 6061 aluminium alloy in 0.25 mol/L HCl is described in the study. Study involved electrochemical methods carried out at various temperatures by changing the concentrations of DIDP. Kinetic and thermodynamic parameters were determined using the Arrhenius rate law and transition state equations, respectively. Physisorption of the inhibitor takes place and the adsorption follows Freundlich isotherm. Surface morphology was studied by scanning electron microscopy (SEM), atomic force microscopy (AFM), and energy-dispersive X-ray analysis (EDAX) techniques. Quantum chemical studies were done by the density functional theory (DFT). The maximum inhibition efficiency of DIDP on 6061 aluminium alloy was about 78% for the concentration of 1000 ppm at 303 K. The mechanistic aspects of DIDP adsorption onto the metal surface were supported by quantum chemical studies. HOMO and LUMO of the optimized structure and quantum chemical descriptors confirmed the adsorption of the inhibitor on the metal surface. Mulliken charge population was used to identify the DIDP molecule’s high electron density region, and Fukui indices confirmed the interaction between metal and inhibitor. GRAPHICAL ABSTRACT","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"75 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90824907","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
Fabrication of Bi2O4/Bi2WO6 composite for high photocatalytic performance 高光催化性能Bi2O4/Bi2WO6复合材料的制备
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-06-18 DOI: 10.1080/10667857.2023.2225945
Zhilin Liu, Weilin Zeng, Feiyang Lv, Lianlian Wu, Bin Zhang, Yongshan Hu, Zhiliang Luo
{"title":"Fabrication of Bi2O4/Bi2WO6 composite for high photocatalytic performance","authors":"Zhilin Liu, Weilin Zeng, Feiyang Lv, Lianlian Wu, Bin Zhang, Yongshan Hu, Zhiliang Luo","doi":"10.1080/10667857.2023.2225945","DOIUrl":"https://doi.org/10.1080/10667857.2023.2225945","url":null,"abstract":"ABSTRACT The Bi2O4/Bi2WO6 composites were synthesized by one step hydrothermal method, which were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transformed infrared spectroscopy (FT-IR), photoluminescence spectra (PL), X-ray photoelectron spectroscopy (XPS) and UV – Vis diffuse reflectance spectroscopy (DRS). The photocatalytic performance of the composite was tested by degrading methyl orange (MO) under visible light irradiation. The results showed that the Bi2O4/Bi2WO6 composites performed better than pure Bi2O4 and Bi2WO6, whose cycle stability was also greatly improved. Among them, S3 sample (Bi2O4:Bi2WO6 = 16:1) could degrade by about 95% methyl orange (MO) within 50 min, and after three cycles the degradation rate could still reach 74%. The enhanced photocatalytic activity and stability was attributed to the formation of heterojunctions. This work provided a promising composite photocatalyst with high performance for organic pollutant degradation. GRAPHICAL ABSTRACT","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"8 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82357379","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
Investigation of electrospun poly (ε-caprolactone) fiber mats loaded with Calophyllum inophyllum essential oil for wound dressing applications: Morphology, drug release and in vitro evaluation 加厚茶树精油的电纺丝聚(α -己内酯)纤维垫在伤口敷料中的研究:形态、释药及体外评价
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-06-12 DOI: 10.1080/10667857.2023.2223018
Cem Resat Ustundag, M. Piskin
{"title":"Investigation of electrospun poly (ε-caprolactone) fiber mats loaded with Calophyllum inophyllum essential oil for wound dressing applications: Morphology, drug release and in vitro evaluation","authors":"Cem Resat Ustundag, M. Piskin","doi":"10.1080/10667857.2023.2223018","DOIUrl":"https://doi.org/10.1080/10667857.2023.2223018","url":null,"abstract":"ABSTRACT In this study, Calophyllum inophyllum (CIO) loaded Poly (ε-caprolactone) (PCL) electrospun fibre mats were produced for potential wound healing applications. Physiochemical evaluation and in vitro characterisation of produced mats were evaluated. Average fibre diameters of the mats were determined as 0.9 ± 0.3 μm, 1.2 ± 0.2 μm, 1.3 ± 0.2 μm, and 1.5 ± 0.1 μm for PCL, PCL/CIO−2.5, PCL/CIO−5 and PCL/CIO−7.5, respectively. The contact angle values of the fibre mats were decreased up to 30 ± 5 (°) compared to oil-free PCL fibre mat, indicating improved surface wettability. The incorporation of CIO into fibre mats led to a two-fold increase in the antibacterial activity, as compared to the fibre mats composed of PCL. In vitro cytotoxicity evaluation indicated that all the fibre mats had increased cell viability compared to the control. The findings suggest that CIO-loaded PCL electrospun fibre mats have potential for use in tissue engineering applications.","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"1 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88193324","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 superplastic behaviour of cold rolled Inconel 718 alloy with δ phase dispersion distribution δ相弥散分布冷轧Inconel 718合金超塑性行为研究
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-06-10 DOI: 10.1080/10667857.2023.2221548
Jue Zeng, Yuqi Huang, X. Yang, Bingxing Wang, Bin Wang
{"title":"Study on superplastic behaviour of cold rolled Inconel 718 alloy with δ phase dispersion distribution","authors":"Jue Zeng, Yuqi Huang, X. Yang, Bingxing Wang, Bin Wang","doi":"10.1080/10667857.2023.2221548","DOIUrl":"https://doi.org/10.1080/10667857.2023.2221548","url":null,"abstract":"ABSTRACT Cold-rolled Inconel 718 with δ phase dispersion distribution was prepared and exhibited excellent superplasticity at 950°C with a strain rate of 6 × 10−4 ~4 × 10−3 s−1. The elongation to failure of 561% was obtained at a strain rate of 1 × 10−3 s−1. Superplastic deformation accelerates the recrystallization of cold-rolled deformed microstructure, thus improving grain uniformity. The dispersed δ phase promotes the nucleation of recrystallized grains and pin grain boundaries to limit grain size. Diffusion-coordinated grain boundary slip is the main deformation mechanism of the alloy sheet during superplastic stretching. The dense dislocations in the deformed grains act as the channel of atomic diffusion in the early deformation stage. Subsequently, the material conversion between grain boundaries promotes atomic diffusion. The present results have certain reference significance for preparing and forming superplastic Inconel 718 alloy.","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"232 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76564487","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 convergent synthetic platform of hydrogels enclosing prednisolone-loaded nanoparticles for the treatment of chronic actinic dermatitis 一种包裹强的松龙纳米颗粒的水凝胶聚合合成平台，用于治疗慢性光化性皮炎
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-06-10 DOI: 10.1080/10667857.2023.2219121
Quan Chen, Huiyan Deng, Bihua Liang, Run-xiang Li, Huaping Li, Y.-L. Ke, Huilan Zhu
{"title":"A convergent synthetic platform of hydrogels enclosing prednisolone-loaded nanoparticles for the treatment of chronic actinic dermatitis","authors":"Quan Chen, Huiyan Deng, Bihua Liang, Run-xiang Li, Huaping Li, Y.-L. Ke, Huilan Zhu","doi":"10.1080/10667857.2023.2219121","DOIUrl":"https://doi.org/10.1080/10667857.2023.2219121","url":null,"abstract":"ABSTRACT Recurrent eczematous lesions and acute itching describe chronic actinic dermatitis (CAD). Continuous use of corticosteroids might result in a dermal adverse effect. Chitosan (CS)-coated PLGA nanoparticles encapsulated prednisolone (PDS) and co-encapsulated to poloxamer hydrogel to enhance anti-inflammatory action and reduce side effects. The PDS@NPs were synthesized using the solvent-emulsification evaporation method, and their physical and chemical properties were analysed. Ex vivo drug absorption experiment was conducted utilizing the Franz diffusion cells in vitro. Toxic effects on human fibroblasts and keratinocytes were not observed in the nanoparticle formulations. Nanoparticles and hydrogels altered PDS’s release kinetics, but not by the non-encapsulated PDS (NE@PDS). Nanoparticles could not penetrate the stratum corneum of removed the skin, which shows the nano-encapsulation of PDS improved skin absorptions. Pseudoplastic and non-Newtonian behaviour was seen in all hydrogels. The nanoformulations appear to be a promising option for glucocorticoid delivery to individuals with chronic actinic dermatitis (CAD).","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"34 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77057621","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
Grain boundary segregation in a high entropy alloy 高熵合金的晶界偏析
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-06-10 DOI: 10.1080/10667857.2023.2221959
A. Maldonado, K. Misra, R. Misra
{"title":"Grain boundary segregation in a high entropy alloy","authors":"A. Maldonado, K. Misra, R. Misra","doi":"10.1080/10667857.2023.2221959","DOIUrl":"https://doi.org/10.1080/10667857.2023.2221959","url":null,"abstract":"ABSTRACT Grain boundary (GB) segregation was experimentally studied in a bulk high entropy Cantor alloy, which indicated for the first time that Cr strongly segregates to the GBs along with the weak segregation of Mn, implying co-segregation of Cr and Mn to the GBs. The strong segregation of Cr and weak segregation of Mn are explained in terms of the driving forces for GB segregation, where alloy interaction is favourable and stronger in the case of Cr, while elastic strain energy governs Mn segregation.","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"67 4","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72464382","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: 3
Discontinuous transformation-induced plasticity behaviour in governing the mechanical behaviour in medium-Mn steels 不连续相变诱发塑性行为对中锰钢力学行为的控制
4区 材料科学
Materials Technology Pub Date : 2023-05-30 DOI: 10.1080/10667857.2023.2218227
Y. Sun, Z.C. Li, L.F. He, H.P. Li, R.D.K. Misra
{"title":"Discontinuous transformation-induced plasticity behaviour in governing the mechanical behaviour in medium-Mn steels","authors":"Y. Sun, Z.C. Li, L.F. He, H.P. Li, R.D.K. Misra","doi":"10.1080/10667857.2023.2218227","DOIUrl":"https://doi.org/10.1080/10667857.2023.2218227","url":null,"abstract":"Here, we address the continuing challenges and scientific gaps in obtaining high strength and high elongation in medium-Mn steels. Electron microscopy and X-ray diffraction studies clearly underscored that the discontinuous transformation-induced plasticity played a determining role in impacting high strength–toughness combination in conjunction with the microstructural constituents. The discontinuous TRIP effect during deformation involved stress relaxation, which was responsible for high ductility. An excellent combination of a high tensile strength in the range of 1238–1502 MPa and a total elongation of 25–33.6% was obtained when the steels were subjected to an intercritical hardening in the temperature range of 600–750°C and low tempering at 200°C. The intercritical hardening influenced the co-existence of austenite, ferrite and martensite in a manner such that the deformation behaviour varies with the Mn-content.","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135690373","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 silver nanoparticle/graphene oxide composite on the properties of polymethyl methacrylate base material in vitro 纳米银/氧化石墨烯复合材料对聚甲基丙烯酸甲酯基材料性能的影响
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-05-27 DOI: 10.1080/10667857.2023.2214025
Siqi Tang, Xu Gao, Huanhuan Guo, Yanjin Guan, Meng Lin, Zheng Zheng
{"title":"Effects of silver nanoparticle/graphene oxide composite on the properties of polymethyl methacrylate base material in vitro","authors":"Siqi Tang, Xu Gao, Huanhuan Guo, Yanjin Guan, Meng Lin, Zheng Zheng","doi":"10.1080/10667857.2023.2214025","DOIUrl":"https://doi.org/10.1080/10667857.2023.2214025","url":null,"abstract":"ABSTRACT Polymethyl methacrylate (PMMA) has been widely used in stomatology to prepare denture bases. However, issues such as a porous structure and high water absorption rate facilitate bacterial growth. This study aimed to synthesize silver nanoparticle/graphene oxide (AgNPs/GO) composites by the chemical reduction method, which was mixed with PMMA by the ball milling method to improve the antibacterial properties of PMMA. Scanning electron microscopy and transmission electron microscopy showed that AgNPs were uniformly dispersed on the GO sheets. AgNPs/GO composite and GO were investigated using x-ray diffraction. The modified AgNPs/GO/PMMA composite demonstrated enhanced antibacterial properties against Streptococcus mutans based on the film adhesion test. Also, the number of bacteria decreased and the morphology of bacteria changed with the increase in mass fraction. Besides, the improved mechanical properties were confirmed by the friction and contact angle tests. Moreover, the composite did not induce cytotoxicity in human gingival mesenchymal stem cells.","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"33 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81704458","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 triboelectric vibration sensor for detecting loose bolts in automobile 用于检测汽车螺栓松动的摩擦电振动传感器
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-05-25 DOI: 10.1080/10667857.2023.2214775
Bolin Sun, Xizeng Chen, Huiqiang Wang
{"title":"A triboelectric vibration sensor for detecting loose bolts in automobile","authors":"Bolin Sun, Xizeng Chen, Huiqiang Wang","doi":"10.1080/10667857.2023.2214775","DOIUrl":"https://doi.org/10.1080/10667857.2023.2214775","url":null,"abstract":"ABSTRACT Recently, the application of flexible sensors in mechanical equipment has attracted widespread attention. However, the design of vibration sensor materials and structures for complex mechanical environments still faces challenges. Hence, we proposed an annular structure CCTO/PDMS-based triboelectric nanogenerator (CP-TENG) as self-powered triboelectric automotive bolt tightness sensor. Due to the high dielectric properties of CCTO/PDMS film, the CP-TENG device can obtain high electrical output performance to achieve high sensitivity sensing. Through the annular structure design, CP-TENG devices can be integrated into bolt fittings with good structural compatibility. The output voltage and current of CP-TENG can monitor the different accelerations borne by the bolts from 9 to 60 m/s2. Moreover, by installing on the gasket, the CP-TENG device can also monitor bolt looseness to achieve early warning of the safety status of automotive components. This research can promote the development of self-powered sensor in the field of automotive bolt vibration monitoring.","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"52 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73910907","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
Thermoelectric transport properties of semiconductor film-based epitaxial monolayer graphene 半导体薄膜外延单层石墨烯的热电输运性质
IF 3.1 4区 材料科学
Materials Technology Pub Date : 2023-05-25 DOI: 10.1080/10667857.2023.2214776
Junhua Gao, Xiaofeng Zhao, Zhengfu Cheng, L. Tian
{"title":"Thermoelectric transport properties of semiconductor film-based epitaxial monolayer graphene","authors":"Junhua Gao, Xiaofeng Zhao, Zhengfu Cheng, L. Tian","doi":"10.1080/10667857.2023.2214776","DOIUrl":"https://doi.org/10.1080/10667857.2023.2214776","url":null,"abstract":"ABSTRACT Epitaxial graphene on semiconductor films has potential for various applications due to its thermoelectric properties. We investigated factors affecting its thermo power using a solid-state physics approach, considering the interaction between the substrate and graphene, and exploring the effects of chemical potential, temperature, anharmonic vibrations of atoms, phonon-drag, and film thickness. Our results show that anharmonic effects significantly enhance the thermopower caused by electrons, especially at higher temperatures. Additionally, we observed an increase in total thermopower due to phonon-drag, although it has negligible effects at or above room temperature. We found that the thermopower on size-quantized semiconductor films is significantly higher than on metal conductor films and bulk semiconductor substrates. Decreasing the film thickness further increases the thermo power, providing an effective way to enhance the thermo electric properties of epitaxial graphene. Our findings contribute to a better understanding of the thermoelectric properties of epitaxial graphene on semiconductor films and offer valuable insights for future applications.","PeriodicalId":18270,"journal":{"name":"Materials Technology","volume":"4 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84441035","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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