Science and Engineering of Composite Materials最新文献_第10页

Analysis of electromagnetic characteristics of the proposed composite four-rail electromagnetic launcher 复合四轨电磁发射器电磁特性分析

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0010

Li Tengda, Feng Gang, Liu Shaowei

{"title":"Analysis of electromagnetic characteristics of the proposed composite four-rail electromagnetic launcher","authors":"Li Tengda, Feng Gang, Liu Shaowei","doi":"10.1515/secm-2022-0010","DOIUrl":"https://doi.org/10.1515/secm-2022-0010","url":null,"abstract":"Abstract In the existing composite four-rail electromagnetic launcher (CFREL), the armature and rail contact surface produces significant heat and bears considerable wear, thereby reducing the potential amount of electromagnetic thrust to be generated. To eliminate the damage caused by the thermal effect of the rail contact surface and to meet the electromagnetic thrust demand of the load, a CFREL is proposed. The proposed CFREL model is constructed, and the launcher’s electromagnetic characteristics are simulated and compared using the finite element method. The current density, distribution of magnetic flux density, and electromagnetic thrust characteristics are analysed. The results showed that the proposed CFREL reduced the maximum current density of the contact surface and effectively eliminated the current concentration of the armature and rail contact surfaces. Effective magnetic field shielding is realised with a larger range, which can better meet the requirements of the intelligent load’s magnetic field environment and provide stronger electromagnetic thrust for the load, hence solving the problem of insufficient thrust.","PeriodicalId":21480,"journal":{"name":"Science and Engineering of Composite Materials","volume":"29 1","pages":"113 - 125"},"PeriodicalIF":1.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47521516","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: 1

Study of concrete properties based on crushed stone sand mixture and fiber of fly ash of thermal power plants 火电厂粉煤灰纤维与碎石砂混合料混凝土性能研究

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0167

A. Bieliatynskyi, Shilin Yang, V. Pershakov, M. Shao, M. Ta

{"title":"Study of concrete properties based on crushed stone sand mixture and fiber of fly ash of thermal power plants","authors":"A. Bieliatynskyi, Shilin Yang, V. Pershakov, M. Shao, M. Ta","doi":"10.1515/secm-2022-0167","DOIUrl":"https://doi.org/10.1515/secm-2022-0167","url":null,"abstract":"Abstract The study aims to optimize the composition of the main composite, the components of which, in their joint presence, make it possible to obtain the most significant positive synergistic effect. The authors of this article used the fibers of fly ash from thermal power plants as a finely dispersed component added to the crushed stone sand mixture. The result of the study was a high-strength corrosion-resistant material consisting of a crushed stone sand mixture (CSSM) with the addition of the fibers of fly ash. The authors applied the thermogravimetric and standard methods to study and determine the performance and strength characteristics of the obtained material. The combined effect of a complex organic-mineral modifying additive and the cement with the fibers of fly ash provided a compacted and reinforced structure of cement stone. An optimal binder composition was developed, consisting of cement and fiber of fly ash. The authors of this article examined the physical-mechanical and structural-mechanical properties of a CSSM of fine-grained concrete reinforced with a complex additive of cement, fibers of fly ash, and a superplasticizer. The study also provided technological solutions for manufacturing a functional mixture of fine-grained concrete based on the developed complex organic-mineral additive.","PeriodicalId":21480,"journal":{"name":"Science and Engineering of Composite Materials","volume":"29 1","pages":"412 - 426"},"PeriodicalIF":1.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47577489","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 novel superabsorbent material based on soybean straw: Synthesis and characterization 基于大豆秸秆的新型高吸水性材料的合成与表征

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0006

Junhua Guo, Jing-Xing Huang, Tingguo Liu, Jianbin Chen, S. Janaswamy

引用次数: 2

Numerical simulation of composite grid sandwich structure under low-velocity impact 低速冲击下复合材料网格夹层结构的数值模拟

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0176

W. Gao, Zhiqiang Yu, Aijie Ma, Zhangxin Guo

{"title":"Numerical simulation of composite grid sandwich structure under low-velocity impact","authors":"W. Gao, Zhiqiang Yu, Aijie Ma, Zhangxin Guo","doi":"10.1515/secm-2022-0176","DOIUrl":"https://doi.org/10.1515/secm-2022-0176","url":null,"abstract":"Abstract The low-velocity impact finite element model of the carbon fiber-reinforced composite grid sandwich structure was established by ABAQUS. Its panels and grid are both carbon fiber-reinforced composite laminates. The constitutive relation of composite laminates is written into the VUMAT user subroutine using the Fortran language. Simulation of intralaminar failure behavior of composite laminates using the three-dimensional Hashin failure criterion. The quadratic stress criterion and the B-K energy criterion were used to simulate the interlaminar failure behavior, and the delamination damage of the composite panel and the interface debonding damage were simulated. The finite element models of four different types of composite grid sandwich structures, including quadrilateral configuration, triangular configuration, mixed configuration, and diamond configuration, were established. The influence of the single grid width and the height of the grid on the impact resistance of each composite grid configuration was studied. Compared with other geometric configurations, triangular grid sandwich structure provides the best energy absorption characteristics, and T-6-10 has the highest fracture absorption energy (15816.46 mJ). The damage propagation law of carbon fiber-reinforced composite grid sandwich structure under impact load is analyzed.","PeriodicalId":21480,"journal":{"name":"Science and Engineering of Composite Materials","volume":"29 1","pages":"516 - 528"},"PeriodicalIF":1.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42907597","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

Establishment of wear mechanism distribution diagram of ZTAp-reinforced iron matrix composites ZTAp增强铁基复合材料磨损机理分布图的建立

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0170

S. Wang, Chu Xuyang, Jinan He, Zhihuan Yang, Zongyuan Dong, Guo-hua Li

引用次数: 0

Experimental investigation on compressive properties of three-dimensional five-directional braided composites in hygrothermal environment 三维五向编织复合材料在湿热环境下压缩性能的实验研究

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0153

Yinggui Guo, S. Yan

{"title":"Experimental investigation on compressive properties of three-dimensional five-directional braided composites in hygrothermal environment","authors":"Yinggui Guo, S. Yan","doi":"10.1515/secm-2022-0153","DOIUrl":"https://doi.org/10.1515/secm-2022-0153","url":null,"abstract":"Abstract This article describes work concerning the compressive properties in hygrothermal environment of three-dimensional (3D) five-directional braided composites. Hygrothermal aging tests at temperatures of 40, 60, and 80°C and compression tests were carried out on the specimens with three braiding angles of 15, 25, and 35°. The surface morphologies of the samples taken using scanning electron microscope before and after the hygrothermal aging test were used to analyze the influence of the hygrothermal environment on the internal structure of braided composites. The experimental results indicate that the hygrothermal environment has a more influence on the specimens with a braiding angle of 15°, and the greater the moisture absorption percentage, the lower the retention ratios of compressive strength and modulus. Compared with room temperature, the compressive strength and modulus of specimens with a braiding angle of 15° reduced by 72.2 and 82.7% as the water bath temperature increased from 40 to 80°C. Moreover, the failure mechanisms of 3D five-directional braided composites in the hygrothermal environment were analyzed.","PeriodicalId":21480,"journal":{"name":"Science and Engineering of Composite Materials","volume":"29 1","pages":"287 - 298"},"PeriodicalIF":1.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45647015","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: 2

Preparation and characterization of a graphene hybridizing polyurethane damping composite 石墨烯杂化聚氨酯阻尼复合材料的制备与表征

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0014

Chi Ma, Weilin Zhang, L. Wang, Zhuo Guo, Yan Jiang, Y. Shan, Jingyi Chen, Ying Wang, L. T. Sin

{"title":"Preparation and characterization of a graphene hybridizing polyurethane damping composite","authors":"Chi Ma, Weilin Zhang, L. Wang, Zhuo Guo, Yan Jiang, Y. Shan, Jingyi Chen, Ying Wang, L. T. Sin","doi":"10.1515/secm-2022-0014","DOIUrl":"https://doi.org/10.1515/secm-2022-0014","url":null,"abstract":"Abstract A graphene hybridizing polyurethane/polyethyl methacrylate (GR-PU/PEMA) damping composite was synthesized using the sequential interpenetration method. The effects of the graphene content and the microphase separation structure on the damping properties, thermal stability, and mechanical properties have been studied in detail. The dynamic mechanical analysis indicated that graphene could improve the damping peak value of PU/PEMA, and the microphase separation structure could be beneficial for broadening the damping temperature range. The damping peak (tan σ max) of PU/PEMA hybridizing with 0.5 wt% graphene reached 0.82, and the temperature range of the loss factor (tan σ ≥ 0.3) was expanded to 88.3°C. Analysis of scanning electron microscopy, transmission electron microscopy, and small-angle X-ray scattering reveals that graphene is uniformly dispersed in the polymer matrix, and the composite with interpenetrating polymer network (IPN) shows more microphase separation structures. Fourier transform infrared analysis indicated that there is strong interaction between graphene and IPN matrix. Furthermore, the addition of graphene improved the mechanical properties and thermal stability of composites.","PeriodicalId":21480,"journal":{"name":"Science and Engineering of Composite Materials","volume":"29 1","pages":"140 - 150"},"PeriodicalIF":1.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46434896","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: 1

Failure process of steel–polypropylene hybrid fiber-reinforced concrete based on numerical simulations 基于数值模拟的钢-聚丙烯混杂纤维混凝土破坏过程

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0154

H. Wu, Yu Zhang, Kaisheng Yao, Bozhen Yang

引用次数: 1

Effect of thermal treatment process on the structure of C/SiO2 composite aerogels 热处理工艺对C/SiO2复合气凝胶结构的影响

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0158

Na Xu, Xiaoning Shen

引用次数: 0

Modification of mechanical properties of Shanghai clayey soil with expanded polystyrene 膨胀聚苯乙烯改性上海黏性土力学性能研究

IF 1.9 4区材料科学

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI: 10.1515/secm-2022-0004

Qu Jili, Tao Huan, Qu Weiqing, Han Guoqi, Liu Hongmei, Patanmuhan Abulimiti, Semaierjiang Maimaitiyusupu, A. Batugin

{"title":"Modification of mechanical properties of Shanghai clayey soil with expanded polystyrene","authors":"Qu Jili, Tao Huan, Qu Weiqing, Han Guoqi, Liu Hongmei, Patanmuhan Abulimiti, Semaierjiang Maimaitiyusupu, A. Batugin","doi":"10.1515/secm-2022-0004","DOIUrl":"https://doi.org/10.1515/secm-2022-0004","url":null,"abstract":"Abstract In the present study, the resistance characteristics of Shanghai clayey soil-expanded polystyrene (EPS) mixture have been explored, using unconfined compressive and consolidation and rebound tests. EPS beads were mixed homogenously with clay soil in accordance with different mass ratios of beads to soil, that is, 0, 0.02, and 0.03%. Four particle sizes of EPS were used in the mixtures, that is, 0.5, 1, 3, and 7 mm, to reconstruct the samples. The experimental results indicated that (1) under the condition of unconfined compressive test, with the increase of EPS particle size, the compressive strength of reinforced soil increases significantly, but the compressive strength of reinforced soil decreases compared with the control sample, and it also decreases with high content compared to low EPS content; (2) under the consolidation and rebound test, compression index and rebound index of reinforced soil increased obviously compared with the control sample, but the compression modulus of reinforced soil decreases significantly; (3) in addition, the ductility of reinforced soil decreases with the increase of EPS particle size but increases compared with the control sample. At the same time, the stiffness of reinforced soil is much decreased compared with the control sample. Finally, the cause of deformation characteristics of reinforced soil was explained based on the feature of EPS material and the interaction between soil particles and particles of EPS beads.","PeriodicalId":21480,"journal":{"name":"Science and Engineering of Composite Materials","volume":"29 1","pages":"37 - 49"},"PeriodicalIF":1.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42758238","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