Journal of Composites Science最新文献_第3页

Structural Formation and Properties of Eco-Friendly Foam Concrete Modified with Coal Dust 煤粉改性的环保型泡沫混凝土的结构形成与性能

IF 3.3

Journal of Composites Science Pub Date : 2023-12-16 DOI: 10.3390/jcs7120519

S. A. Stel’makh, E. Shcherban’, A. Beskopylny, L. Mailyan, B. Meskhi, A. Shilov, Alexander L. Mailyan, N. Zakieva, A. Chernil’nik, D. El'shaeva

{"title":"Structural Formation and Properties of Eco-Friendly Foam Concrete Modified with Coal Dust","authors":"S. A. Stel’makh, E. Shcherban’, A. Beskopylny, L. Mailyan, B. Meskhi, A. Shilov, Alexander L. Mailyan, N. Zakieva, A. Chernil’nik, D. El'shaeva","doi":"10.3390/jcs7120519","DOIUrl":"https://doi.org/10.3390/jcs7120519","url":null,"abstract":"Foam concrete is a popular energy-efficient construction material with a fairly wide range of usage in buildings and structures. Increasing ecological efficiency and reducing construction costs by the application of different types of industrial waste in the manufacturing technology of this composite is a promising direction. The main goal of this study is to investigate the possibility of coal dust (CD) waste inclusion in the technology of energy-efficient cellular concrete produced by foam concrete technology. Test samples of foam concrete were made using coal dust by partially replacing cement in the range of 0–10% in increments of 2%. The following primary characteristics of foam concrete were studied: fluidity of mixtures; compressive strength; density; thermal conductivity of foam concrete. An X-ray diffraction analysis of foam concrete composites was performed, which showed changes in their phase composition when using coal dust as a modifier. Coal dust in rational quantities from 2% to 6% improves the physical and mechanical characteristics of foam concrete and increases the structure uniformity. The optimal values of the foam concrete characteristics were recorded at a dosage of coal dust of 6%. At the same time, the density decreased by 2.3%, the compressive strength increased by 15.6%, and the thermal conductivity coefficient decreased by 8.9% compared to the ordinary composition. The use of the resulting foam concrete is advisable in enclosing structures to create high energy efficiency of buildings and structures due to the improved structure and properties.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"36 11-12","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138967294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced Reverse-Engineering Method for Accurately Predicting Lamina Properties in Laminated Composites via Combined Static and Dynamic Finite Element Simulations 通过组合静态和动态有限元模拟准确预测层状复合材料薄片性能的增强型逆向工程方法

IF 3.3

Journal of Composites Science Pub Date : 2023-12-15 DOI: 10.3390/jcs7120518

Mun-Young Hwang, Jeong Hun Park, Jongho Song, Soo Woong Hwang, Hun Hee Kang, Hyun Chul Lee

{"title":"Enhanced Reverse-Engineering Method for Accurately Predicting Lamina Properties in Laminated Composites via Combined Static and Dynamic Finite Element Simulations","authors":"Mun-Young Hwang, Jeong Hun Park, Jongho Song, Soo Woong Hwang, Hun Hee Kang, Hyun Chul Lee","doi":"10.3390/jcs7120518","DOIUrl":"https://doi.org/10.3390/jcs7120518","url":null,"abstract":"This study aims to ascertain the material characteristics that are intrinsic to the prepreg layer within a laminated composite structure. The elastic modulus of the lamina, a primary determinant of composite structural behavior, is the focal point of this analysis. This parameter has been assessed by employing reverse-engineering techniques on a composite composed of sequentially stacked prepregs. The investigation entailed simulating the behavior of the composite under static loads and conducting modal analyses to reflect both static and dynamic conditions. The findings indicate that the elastic modulus values derived from combined tensile and modal analysis simulations exhibit superior accuracy compared to those obtained through tensile simulation alone. Specifically, the maximum prediction error for E1 (the tensile-direction elastic modulus of one lamina sheet) decreased from 1.17% to 0.28%, and that of E2 (the transverse-direction elastic modulus of one lamina sheet) decreased from 12.01% to 7.30%. Further simulations incorporating fabrication error variances underscored the critical nature of precise E2 analysis. The proposed methodology evidenced a more accurate assessment of E2, underscoring its potential to enhance the reverse-engineering process in composite material design.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"80 1","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138998232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of Doping on Phase Formation in YBCO Composites 掺杂对 YBCO 复合材料中相形成的影响

IF 3.3

Journal of Composites Science Pub Date : 2023-12-15 DOI: 10.3390/jcs7120517

S. Tolendiuly, Aigerim Sovet, Sergey Fomenko

引用次数: 0

Progressive Fatigue Modelling of Open-Hole Glass-Fibre Epoxy Laminates 开孔玻璃纤维环氧树脂层压板的渐进疲劳建模

IF 3.3

Journal of Composites Science Pub Date : 2023-12-12 DOI: 10.3390/jcs7120516

Victor Maneval, N. Vedvik, A. Echtermeyer

{"title":"Progressive Fatigue Modelling of Open-Hole Glass-Fibre Epoxy Laminates","authors":"Victor Maneval, N. Vedvik, A. Echtermeyer","doi":"10.3390/jcs7120516","DOIUrl":"https://doi.org/10.3390/jcs7120516","url":null,"abstract":"The failure of composite laminates under cyclic fatigue loads is complex, as multiple failure mechanisms are in play at different scales and interact with each other. Predicting the remaining fatigue life as well as the residual capacities of a composite laminate or component is crucial, particularly for safety-critical applications. A progressive fatigue model is proposed to describe the catastrophic failure of open-hole laminates under tensile cyclic fatigue. To represent both intra-laminar and inter-laminar damage, a combination of a continuum damage mechanics model (CDM) and a discrete cohesive zone model (CZM) is implemented in the finite element (FE) software Abaqus. The CDM combines fibre- and matrix-dominated S-N curves with the Palmgren–Miner accumulation rule and Hashin’s residual strength to form a fatigue failure criterion differentiating between fibre failure (FF) and matrix failure (MF). The CZM implemented in this work is the CF20 model proposed by NASA. Fatigue cycling is simulated using an external cycle-jump scheme, where the stiffness degradation is conducted between the FE simulations outside of the implicit solver [90/0] s. Glass fibre reinforced polymer (GFRP) open-hole specimens were tested in tensile cyclic fatigue at a load ratio of 0.1. The experiments were reproduced numerically and the results compared. After calibration of a set of parameters based on one load level, the model was able to reproduce the experimental S-N curve very well, predicting a slope of −0.10, while the experimental value was −0.11. The failure sequence of the laminate was also successfully reproduced. The growth of the split from the hole, and its interaction with inter-laminar delamination, was successfully captured. The proposed approach was able to describe the fatigue failure of an open-hole laminate with a minimal set of material inputs using a simplified fatigue damage model while avoiding convergence issues.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"33 4","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139008351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Material Characterization Required for Designing Satellites from Fiber-Reinforced Polymers 利用纤维增强聚合物设计卫星所需的材料表征

IF 3.3

Journal of Composites Science Pub Date : 2023-12-11 DOI: 10.3390/jcs7120515

Esha, Joachim Hausmann

{"title":"Material Characterization Required for Designing Satellites from Fiber-Reinforced Polymers","authors":"Esha, Joachim Hausmann","doi":"10.3390/jcs7120515","DOIUrl":"https://doi.org/10.3390/jcs7120515","url":null,"abstract":"This review paper discusses the effect of polymers, especially thermoplastics, in environments with low earth orbits. Space weather in terms of low earth orbits has been characterized into seven main elements, namely microgravity, residual atmosphere, high vacuum, atomic oxygen, ultraviolet and ionization radiation, solar radiation, and space debris. Each element is discussed extensively. Its effect on polymers and composite materials has also been studied. Quantification of these effects can be evaluated by understanding the mechanisms of material degradation caused by each environmental factor along with its synergetic effect. Hence, the design elements to mitigate the material degradation can be identified. Finally, a cause-and-effect diagram (Ishikawa diagram) is designed to characterize the important design elements required to investigate while choosing a material for a satellite’s structure. This will help the designers to develop experimental methodologies to test the composite material for its suitability against the space environment. Some available testing facilities will be discussed. Some potential polymers will also be suggested for further evaluation.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"15 12","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139010476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

To Shed Light on the UV Curable Coating Technology: Current State of the Art and Perspectives 阐明紫外线固化涂层技术：技术现状与前景

IF 3.3

Journal of Composites Science Pub Date : 2023-12-07 DOI: 10.3390/jcs7120513

R. Patil, Jomin Thomas, Mahesh Patil, Jacob John

{"title":"To Shed Light on the UV Curable Coating Technology: Current State of the Art and Perspectives","authors":"R. Patil, Jomin Thomas, Mahesh Patil, Jacob John","doi":"10.3390/jcs7120513","DOIUrl":"https://doi.org/10.3390/jcs7120513","url":null,"abstract":"The industrial application of UV curable coatings is being widely commercialized at a rapid pace with very diversified product markets. UV curing has existed for many years now, but the new commercial opportunities emerging for sustainable, and climate friendly technologies have driven demand for photo-curable coating systems. It is primarily attributed to its environmentally friendly solvent-free and energy-efficient method. Precedented UV light curable coatings are being commercialized and numerous lamp sources are being extensively studied. In such an era of predominant research evolving the UV curing technology horizon, we attempt to outline the state of the art, opportunities, and challenges. This contribution attempts to highlight, in a comprehensive way, sustainable UV coating on the basis of recent research advancements, existing challenges and prospective scope in this field. With a set of prerequisite foundational knowledge into UV curable coatings and mechanisms, the review has meticulously looked at the recent research advancements. This review contribution attempts to focus on three aspects: the known science behind UV curing coatings, coupled with the recent advancements, and future opportunities.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"18 4","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138591396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

First Principle Study of Structural, Electronic, Optical Properties of Co-Doped ZnO 共掺氧化锌的结构、电子和光学特性的初步研究

IF 3.3

Journal of Composites Science Pub Date : 2023-12-07 DOI: 10.3390/jcs7120511

A. Soussi, Redouane Haounati, A. Ait hssi, M. Taoufiq, A. Asbayou, A. Elfanaoui, Rachid Markazi, K. Bouabid, A. Ihlal

{"title":"First Principle Study of Structural, Electronic, Optical Properties of Co-Doped ZnO","authors":"A. Soussi, Redouane Haounati, A. Ait hssi, M. Taoufiq, A. Asbayou, A. Elfanaoui, Rachid Markazi, K. Bouabid, A. Ihlal","doi":"10.3390/jcs7120511","DOIUrl":"https://doi.org/10.3390/jcs7120511","url":null,"abstract":"In this theoretical study, the electronic, structural, and optical properties of copper-doped zinc oxide (CZO) were investigated using the full-potential linearized enhanced plane wave method (FP-LAPW) based on the density functional theory (DFT). The Tran–Blaha modified Becke–Johnson exchange potential approximation (TB-mBJ) was employed to enhance the accuracy of the electronic structure description. The introduction of copper atoms as donors in the ZnO resulted in a reduction in the material’s band gap from 2.82 eV to 2.72 eV, indicating enhanced conductivity. This reduction was attributed to the Co-3d intra-band transitions, primarily in the spin-down configuration, leading to increased optical absorption in the visible range. The Fermi level of the pure ZnO shifted towards the conduction band, indicating metal-like characteristics in the CZO. Additionally, the CZO nanowires displayed a significant blue shift in their optical properties, suggesting a change in the energy band structure. These findings not only contribute to a deeper understanding of the CZO’s fundamental properties but also open avenues for its potential applications in optoelectronic and photonic devices, where tailored electronic and optical characteristics are crucial. This study underscores the significance of computational techniques in predicting and understanding the behavior of doped semiconductors, offering valuable insights for the design and development of novel materials for advanced electronic applications.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"34 1","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138591034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Utilization of Spent Coffee Grounds as a Sustainable Resource for the Synthesis of Bioplastic Composites with Polylactic Acid, Starch, and Sucrose 将废弃咖啡渣作为一种可持续资源用于聚乳酸、淀粉和蔗糖生物塑料复合材料的合成

IF 3.3

Journal of Composites Science Pub Date : 2023-12-07 DOI: 10.3390/jcs7120512

Sri Yustikasari Masssijaya, M. A. R. Lubis, R. C. Nissa, Yeyen Nurhamiyah, Pramono Nugroho, P. Antov, S. Lee, Antonios N. Papadopoulos, Sukma Surya Kusumah, Lina Karlinasari

{"title":"Utilization of Spent Coffee Grounds as a Sustainable Resource for the Synthesis of Bioplastic Composites with Polylactic Acid, Starch, and Sucrose","authors":"Sri Yustikasari Masssijaya, M. A. R. Lubis, R. C. Nissa, Yeyen Nurhamiyah, Pramono Nugroho, P. Antov, S. Lee, Antonios N. Papadopoulos, Sukma Surya Kusumah, Lina Karlinasari","doi":"10.3390/jcs7120512","DOIUrl":"https://doi.org/10.3390/jcs7120512","url":null,"abstract":"Polylactic Acid (PLA) is a biodegradable polymer, but the cost of PLA is not competitive compared to polyolefins. The development of bioplastic composites by blending PLA with spent coffee grounds (SCG) and thermoplastic starch (TPS) is an effective way to reduce the cost of PLA. This study aimed to investigate and evaluate the feasibility of using SCG to develop bioplastic composite materials with a blend of PLA and TPS. Bioplastics were fabricated with various SCG contents (5, 10, 15 wt%). The physical and mechanical characteristics of the bioplastic composite decreased as the SCG content increased owing to the higher aggregation caused by SCG dust. However, the bioplastics manufactured with the addition of SCG exhibited enhanced crystallinity, resulting in enhanced thermal properties compared to the composites without SCG. The best characteristics of bioplastics, obtained with a 5% SCG addition, were as follows: water vapor transmission rate of 1276 g d/m2, water vapor permeability (WVP) of 1.86256 × 10−7 g/ms Pa, Young’s modulus of 420 MPa, elongation of 2.59%, and tensile strength of 5 MPa. Based on the results obtained, it can be concluded that the addition of SCG is not recommended for improving the physical and mechanical properties of bioplastics. However, owing to its large content of organic compounds, SCG represents a promising and low-cost functional material that can be exploited in the development of various value-added products.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"1 6","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138591629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrochemical Oxidation of Phenol Released from Spent Coordination Polymer Impregnated with Ionic Liquid 离子液体浸渍的废配位聚合物释放出苯酚的电化学氧化作用

IF 3.3

Journal of Composites Science Pub Date : 2023-12-07 DOI: 10.3390/jcs7120510

N. Pleşu, B. Maranescu, Milica Tara-Lunga Mihali, A. Visa

{"title":"Electrochemical Oxidation of Phenol Released from Spent Coordination Polymer Impregnated with Ionic Liquid","authors":"N. Pleşu, B. Maranescu, Milica Tara-Lunga Mihali, A. Visa","doi":"10.3390/jcs7120510","DOIUrl":"https://doi.org/10.3390/jcs7120510","url":null,"abstract":"Coordination polymer (CP)-type adsorbents impregnated with ionic liquids that are used to remove phenol from wastewater must be regenerated. A simple washing of the adsorbent releases about 70% from the spent adsorbent. In order to increase and study the phenol release, an electrochemical method was used. For this purpose, an electrochemical commercial graphite electrode was used as the working electrode, and the electrolyte support was a 3% NaCl solution. During the electrochemical investigation, the spent CP was immersed in a saline solution. The PH content in the electrolyte affected the direct electrooxidation (EO); the formation of BQ appeared to be accelerated by a lower concentration and a slower release of PH. After 90 min, an efficiency of PH electrooxidation (EOPH) of 36.22% from Cu-PA and EOPH of 42.14% from Cu-PA-IL, respectively, was achieved. These results were significantly higher than the EOPH of the solution resulting from washing the wasted adsorbent with a saline solution (22.58%). This work highlights the potential for the simultaneous electrooxidation of desorbed PH and the recovery of spent adsorbent in this situation. The number of cycles in which the adsorbent can be used without losing its absorbance ability is three.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"39 17","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138593877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydrophilic–Hydrophobic Properties of the Surface of Modified Carbonate Fillers for Asphalt 沥青用改性碳酸盐填料表面的亲水-疏水特性

IF 3.3

Journal of Composites Science Pub Date : 2023-12-05 DOI: 10.3390/jcs7120507

M.S. Lebedev, V. Yadykina, Andrey Akimov, Marina Kozhukhova, Ekaterina Kuznetsova

{"title":"Hydrophilic–Hydrophobic Properties of the Surface of Modified Carbonate Fillers for Asphalt","authors":"M.S. Lebedev, V. Yadykina, Andrey Akimov, Marina Kozhukhova, Ekaterina Kuznetsova","doi":"10.3390/jcs7120507","DOIUrl":"https://doi.org/10.3390/jcs7120507","url":null,"abstract":"The physicochemical modification of the filler allows changing the hydrophilic–hydrophobic properties and effectively influencing the processes occurring at the filler–binder interface, on which the physicomechanical characteristics of composites largely depend. The paper presents studies related to the modification of limestone-based filler effect on the degree of its hydrophobicity and wetting with liquids of different polarity, establishing the relationship between the characteristics of hydrophobized mineral powders and the adsorption capacity in relation to water. Using mechanochemical processing with hydrophobic components GF-1 and GF-2, it was possible to obtain fillers with a sufficiently high content of hydrophobic particles (58.2% and 85.9%, respectively). It was found that the results of the contact angle (123.6° and 114.5°, respectively) and the degree of hydrophobicity do not quite correlate with each other. It was noticed that the contact angle on the powder modified with GF-1 decreases with time. Studies of the powders’ thermal effects wetting of different polarity liquids via microcalorimetry allows us to establish that with an increase in the filler hydrophobicity degree, the integral heat of immersion decreases due to a significant decrease in the probability of chemical interactions between water and powder due to the adsorption of applied surfactants molecules on the limestone active centers. The revealed endothermic effects indicate the occurrence of physical interactions due to non-polar dispersion forces. Differences in the nature of heat release and heat absorption in modified fillers indicate significant differences in the composition and mechanism of action of the used surfactants, which affected the efficiency of hydrophobization. At the same time, a linear dependence of the moisture absorption and moisture indicators, determined by independent experiments, on the degree of hydrophobicity was established.","PeriodicalId":15435,"journal":{"name":"Journal of Composites Science","volume":"79 10","pages":""},"PeriodicalIF":3.3,"publicationDate":"2023-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138600273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0