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Development of a model for detection and analysis of inclusions in tomographic images of iron castings using decision trees.
Sci Rep
January 2025
Department of Applied Computer Science and Modelling Department, Faculty of Metals Engineering and Industrial Computer Science, AGH University of Krakow, Czarnowiejska 66, 30-054, Krakow, Poland.
CT images of castings made of ductile iron were analyzed in the paper. On these images, objects can be identified that can be considered as graphite precipitates or indicate the presence of a defect in the casting. Research conducted in this area is described, based on experimental data that allows to determine whether the indicated components present in the casting are graphite precipitation.
View Article and Find Full Text PDFAnalysis of Electrical Conductivity in Commercial Adhesives Incorporating Graphene Nanoplatelets for Industrial Applications.
Polymers (Basel)
December 2024
E.T.S. de Ingeniería y Diseño Industrial, Universidad Politécnica de Madrid (España), 28040 Madrid, Spain.
Polymers are often insulators, but this not a universal intrinsic characteristic of all polymers. For this work, the adhesives used, epoxy and polyurethane, do demonstrate this insulating characteristic. However, there has been significant interest in the development of conductive polymers, specifically adhesives, because of the potential properties and ease of processing of these polymers.
View Article and Find Full Text PDFEffect of Asphalt Granulation on the Performance of Artificial Graphite Anode Materials for Lithium-Ion Batteries.
Materials (Basel)
December 2024
School of Physics and School of Materials Science and Engineering, Central South University, Changsha 410083, China.
In order to investigate the effects of the softening point, the addition ratio, and the median particle size (D50) of the asphalt on the performance of secondary particles of artificial graphite anode materials prepared by granulation, ten-kilogram orthogonal experiments were designed. D50 and powder orientation index (OI) value of the prepared secondary particles of artificial graphite anode materials were employed as evaluation index, and the results of the orthogonal experiments were subjected to polarity analysis, analysis of variance (ANOVA), and multiple linear regression analysis. It is demonstrated that the addition ratio of the asphalt exerts the most pronounced influence on D50 and powder OI value of secondary granular artificial graphite anode materials, followed by the softening point.
View Article and Find Full Text PDFNonlinear Thermomechanical Low-Velocity Impact Behaviors of Geometrically Imperfect GRC Beams.
Materials (Basel)
December 2024
Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing 100124, China.
This paper studies the thermomechanical low-velocity impact behaviors of geometrically imperfect nanoplatelet-reinforced composite (GRC) beams considering the von Kármán nonlinear geometric relationship. The graphene nanoplatelets (GPLs) are assumed to have a functionally graded (FG) distribution in the matrix beam along its thickness, following the X-pattern. The Halpin-Tsai model and the rule of mixture are employed to predict the effective Young modulus and other material properties.
View Article and Find Full Text PDFClozapine boosting N/Cl co-doped carbon skeleton synergistically optimizing NaV(PO) with superior performance and excellent thermal stability.
J Colloid Interface Sci
January 2025
Institute of Advanced Energy Materials and Systems, North University of China, Taiyuan 030051, Shanxi, PR China; School of Materials Science and Engineering, North University of China, Taiyuan 030051, Shanxi, PR China. Electronic address:
Nowadays, the limited electronic conductivity and structural deterioration during battery cycling have hindered the widespread application of NaV(PO) (NVP). In response to these challenges, we advocate for a technique involving the application of carbon modifications to NVP to enhance its suitability as cathode material. This work involves the synthesis of N/Cl co-modified in situ carbon coatings derived from clozapine (CZP) through a facile hydrothermal route.
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