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Thematische Bibliographien / Material deviation / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Material deviation“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Denkena, Berend, Thilo Grove, and Eike Hasselberg. "Workpiece Shape Deviations in Face Milling of Hybrid Structures." Materials Science Forum 825-826 (July 2015): 336–43. http://dx.doi.org/10.4028/www.scientific.net/msf.825-826.336.

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A currently common method to design high-performance workpieces is to combine two or more materials to one compound. This way, workpieces can be composed of the most qualified materials according to local loads.When machining high-performance workpiece compounds (e.g. cylinder crankcases), high quality requirements concerning the accuracy of dimension and shape as well as the surface roughness must be fulfilled. However, machining of workpiece compounds leads to unfavorable changes of the workpiece quality in comparison to machining of the single materials. Significant shape deviations occur w

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Zhang, Chengyu, Yanping Yuan, and Jimin Chen. "Material Extrusion Based Fabrication of Surgical Implant Template and Accuracy Analysis." Materials 15, no. 5 (2022): 1738. http://dx.doi.org/10.3390/ma15051738.

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An implant template with great precision is significantly critical for clinical application. Currently, the application of an immediate implant remains limited by the deviations between the planned and actual achieved positions and long periods required for preparation of implant templates. Material Extrusion (MEX), as one kind of 3D printing method, is well known for its low cost and easy operation. However, the accuracy of the implant template printed by MEX has not been fully researched. To investigate the accuracy and feasibility of in vitro computer-guided surgery assisted with a MEX prin

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Chen, Junxian, and Jianhai Zhang. "Quantification of the Loading Coaxiality for the Uniaxial Material Test System with a Cylindrical Specimen via Optimized Neural Network." Journal of Physics: Conference Series 2347, no. 1 (2022): 012003. http://dx.doi.org/10.1088/1742-6596/2347/1/012003.

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Abstract Material testing systems are crucial for evaluating the mechanical characteristics of materials. The material testing system’s accuracy determines the mechanical property of the material. Loading coaxiality is a crucial factor determining the precision of uniaxial tensile testing machines. Because of solid boundary nonlinearity in calculating loading coaxiality of the uniaxial test system, current methods can only be used for qualitative evaluation rather than quantification. Using the finite element method and the deep learning technique, a mapping relationship has been established b

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Tripathy, Sridhar, Prasant Kumar Rout, Jaydeep Datta, Nayana Majumdar, and Supratik Mukhopadhyay. "Improvement of Material Discrimination Using Muon Momenta in MST." Journal of Physics: Conference Series 2374, no. 1 (2022): 012187. http://dx.doi.org/10.1088/1742-6596/2374/1/012187.

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MST or Muon Scattering Tomography is a major non-destructive technique to discriminate materials by finding deviation in muon tracks which depends on Z and density (ρ) of the medium the muon passes through. The scattering angle also depends on the incoming momentum of muon which is a key to distinguish multiple small deviations through large path-lengths of low-Z material from significant deviations through smaller path lengths of a high-Z target. An analytical function, derived by fitting the muon momentum distribution in a selected range has been used to predict the momentum of individual ev

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Novak, S., V. Drizhd, and O. Dobrostan. "COMPARATIVE ANALYSIS OF DATA ON THE DURATION OF FIRE EXPOSURE BEFORE REACHING THE CRITICAL TEMPERATURE STEEL OBTAINED FOR SAMPLES STANDARDIZED AND SAMPLE SIZE REDUCTION FROM FIREPROOF MATERIALS "ENDOTERM 400202" AND "ENDOTERM 210104"." Науковий вісник: Цивільний захист та пожежна безпека 1, no. 2 (2018): 18–27. http://dx.doi.org/10.33269/nvcz.2018.2.18-27.

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The results of the determination of the convergence of experimental data on the duration of fire exposure under the standard temperature regime until the critical temperature of steel obtained for standardized samples (columns) and samples of reduced sizes (plates) with the use of the reactive fireproof material "Endoterm 400202", flowing under the thermal influence in fire conditions, and passive fireproof material (plates) «Endoterm 210104». It has been established that the deviation of the values of the duration of fire exposure to achievement the critical temperature of steel, determined f

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Teaca, Robert Stefanut, and Gheorghe Brabie. "Analysis of Geometry Deviations in Case of Conical Mini-Parts Obtained by Forming Process from Copper-Zinc Alloy (CuZn37) Sheets." Applied Mechanics and Materials 657 (October 2014): 158–62. http://dx.doi.org/10.4028/www.scientific.net/amm.657.158.

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Mini forming is an appropriate technology to manufacture small metal parts, as these are required in many industrial products resulting from mini-technology. This paper work want to underline the fact that even in down scale there are problems regarding deviation from the required dimensions. One of the problems is scaling effects, which occur in tribological aspects such as the friction coefficient, which increases with decreasing specimen size. Simulations investigations into mini forming process were carried out and mini conical parts have been obtained with different geometries. . The main

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Akbar, Wazir, and Özgür Ertunç. "Model-Based Optimization of CMP Process Parameters for Uniform Material Removal Selectivity in Cu/Barrier Planarization." ECS Journal of Solid State Science and Technology 11, no. 2 (2022): 024003. http://dx.doi.org/10.1149/2162-8777/ac4ffb.

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Chemical mechanical planarization is a process of achieving planar surfaces in the semiconductor manufacturing industry. The planarization of a surface is achieved by material removal from the wafer surface. The material removal depends on material properties and the process input parameters. Several studies have investigated the role of slurry chemistry to achieve a certain material removal selectivity of different materials on a patterned wafer. Here we propose a methodology of achieving planar patterned surface of Cu/Mn/MnN system using a model-based optimization for mechanical process para

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Erdin Fahlefi, Akhmad Suraji, and Albani Musyafa. "STUDI DEVIASI PENERAPAN ASPEK HUKUM PENGADAAN KONSTRUKSI." JURNAL ILMIAH TEKNIK INDUSTRI DAN INOVASI 1, no. 3 (2023): 10–18. http://dx.doi.org/10.59024/jisi.v1i3.288.

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In construction procurement in Indonesia there are still deviations in the tender process. The deviation is caused by an opportunity during the construction bidding process. The service providers are mutually looking for opportunities to seek personal or group benefits or from the working group that makes these deviations. This causes state losses due to deviations in the construction bidding process. This research was conducted by collecting data from institutions that have the authority to decide whether or not deviations occur in the auction process. The institution authorized to decide whe

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Andrii, Kondratiev, Gaidachuk Vitaliy, Nabokina Tetyana, and Kovalenko Viktor. "DETERMINATION OF THE INFLUENCE OF DEFLECTIONS IN THE THICKNESS OF A COMPOSITE MATERIAL ON ITS PHYSICAL AND MECHANICAL PROPERTIES WITH A LOCAL DAMAGE TO ITS WHOLENESS." Eastern-European Journal of Enterprise Technologies 4, no. 1 (100) (2019): 6–13. https://doi.org/10.15587/1729-4061.2019.174025.

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In the period of technological preparation and initial stages of development in the mass production of composite products, there is a fairly large number and variety of technological defects. The rate of these defects often exceeds the permissible requirements of design documentation and therefore results in faulty products. The most characteristic technological defect for composite structures reinforced with continuous fibres or fabric materials is the deviation of the thickness of the moulded composite from its projective value. Another type of common defects is local violations of integrity

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Wang, Shu Lung, and Ting Yu Chueh. "Analysis of the Material Removal Rate of Micro-Hole Machining of Ceramic Materials." Advanced Materials Research 347-353 (October 2011): 1572–75. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.1572.

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This study discussed what rotary ultrasonic machining (RUM) and tool geometry parameters combination can obtain bigger material removal rate (MRR) in drilling. The experimental configuration of this study was planned using Taguchi orthogonal array, where the drill diameter, rotation speed, power and feed rate were taken as the experimental factors. A relation model among the MRR and standard deviation of the holes walls and processing parameters and tool geometry was established, so as to achieve maximum MRR of the overall deep holes walls. The experimental results proved that application of t

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Yang, Lixue, Tiansheng Wang, Bin Cao, Yi Yuan, Ao Gao, and Qiang Wang. "Design and Optimization of Pneumatic Separation Device for Plastic Evidence in Fire and Explosion Scene." Journal of Physics: Conference Series 2381, no. 1 (2022): 012025. http://dx.doi.org/10.1088/1742-6596/2381/1/012025.

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Abstract To improve the efficiency of fire investigation, a horizontal pneumatic separator for separating plastic evidence from fire and explosion scenes is designed in this paper. Taking three kinds of material with different densities as separation objects, MATLAB was used to calculate the horizontal displacement of materials under different separation parameters based on the motion equation. A deviation coefficient was put forward to measure the separation effect. The effects of air inlet velocity and air inlet angle on the deviation coefficient of materials with different particle sizes we

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Low, Jing Chong, Daisuke Iba, Daisuke Yamazaki, and Yuichiro Seo. "Shape Deviation Network of an Injection-Molded Gear: Visualization of the Effect of Gate Position on Helix Deviation." Applied Sciences 14, no. 5 (2024): 2013. http://dx.doi.org/10.3390/app14052013.

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The purpose of this study is to develop an evaluation method for assessing the relative relationship between gear tooth shape deviations on every gear tooth using network theory. Our previous study introduced a method for representing the phase difference between each helix deviation as a network, demonstrating that it is possible to identify the relative relationship between gear tooth deviations. However, there has been no in-depth analysis of the impact of injection molding on the gear’s phase difference network. In this paper, we begin by measuring the gear tooth shape deviation, calculati

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Wolf, Mario, Alexey Rybakov, Richard Hinterding, and Armin Feldhoff. "Geometry Optimization of Thermoelectric Modules: Deviation of Optimum Power Output and Conversion Efficiency." Entropy 22, no. 11 (2020): 1233. http://dx.doi.org/10.3390/e22111233.

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Besides the material research in the field of thermoelectrics, the way from a material to a functional thermoelectric (TE) module comes alongside additional challenges. Thus, comprehension and optimization of the properties and the design of a TE module are important tasks. In this work, different geometry optimization strategies to reach maximum power output or maximum conversion efficiency are applied and the resulting performances of various modules and respective materials are analyzed. A Bi2Te3-based module, a half-Heusler-based module, and an oxide-based module are characterized via FEM

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Dai, Jiaming, Yanling Guo, and Haoyu Zhang. "Error Modeling and Error Control Study of PA/Pine Wood Biomass Composites." Polymers 17, no. 14 (2025): 1920. https://doi.org/10.3390/polym17141920.

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Laser sintering (LS) technology is one of the most widely commercialized additive manufacturing technologies. However, the popularization of LS technology in civilian applications has long been constrained by accuracy-related issues. Polyamide (PA), as the most mature LS material, still faces challenges in controlling part dimensional errors. Biomass materials, when used as fillers, can improve the printing accuracy of fabricated parts, demonstrating a technically feasible synergy between PA and biomass materials. Therefore, this study analyzes the fundamental material properties of PA/pine bi

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CORRALES MAGALLANES, ADI, LUIS DEL LLANO VIZCAYA, CELSO EDUARDO CRUZ GONZALEZ, VICENTE BRINGAS RICO, ALDO AUGUSTO LOPEZ MARTINEZ, and EUSEBIO JIMENEZ LOPEZ. "NUMERICAL-EXPERIMENTAL EVALUATION OF A HYPERELASTIC POLYURETHANE ADHESIVE." DYNA 96, no. 3 (2021): 246–49. http://dx.doi.org/10.6036/9783.

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This article presents the results of the experimental tests carried out on a polyurethane hyperelastic adhesive. The Mooney-Rivlin, Ogden and Yeoh models were analyzed between others, with different order and parameters using the finite element method and the Ansys V17.1 package, with the aim of evaluating the convergence of a general hyperelastic model, to subsequently manufacture specimens and perform experimental uniaxial stress tests. The information obtained from the tests was supplied to a curve fitting model for several hyperelastic models, seeking to obtain a correlation between these

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Zhi, Junnan, Yanlong Cao, Tukun Li, et al. "A digital twin-based analysis method to assess geometric variations for parts in batch production." Digital Twin 3 (August 24, 2023): 7. http://dx.doi.org/10.12688/digitaltwin.17863.1.

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Background: In mass production, engineers are more concerned with the statistical distribution accuracy of parts in mass production rather than just the qualification of individual parts. However, currently, the statistical analysis methods designed for product accuracy are relatively scattered, and most of them focus on nominal part models. Therefore, there is a need to design a statistical analysis method for parts in mass production based on the Digital Twin model. Methods: This paper presents a novel method to analyse the geometric variations of parts in batch production in the production

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Zhi, Junnan, Yanlong Cao, Tukun Li, et al. "A digital twin-based analysis method to assess geometric variations for parts in batch production." Digital Twin 3 (December 19, 2023): 7. http://dx.doi.org/10.12688/digitaltwin.17863.2.

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Background In mass production, engineers are more concerned with the statistical distribution accuracy of parts in mass production rather than just the qualification of individual parts. However, currently, the statistical analysis methods designed for product accuracy are relatively scattered, and most of them focus on nominal part models. Therefore, there is a need to design a statistical analysis method for parts in mass production based on the Digital Twin model. >Methods This paper presents a novel method to analyse the geometric variations of parts in batch production in the productio

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Majca-Nowak, Natalia, and Paweł Pyrzanowski. "The Analysis of Mechanical Properties and Geometric Accuracy in Specimens Printed in Material Jetting Technology." Materials 16, no. 8 (2023): 3014. http://dx.doi.org/10.3390/ma16083014.

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The purpose of this research was to analyze polymer materials based on mechanical properties and geometrical parameters, such as the smallest material deviations and the best printing texture after three-dimensional (3D) printing in two methods of Material Jetting technology: PolyJet and MultiJet. This study covers checks for Vero Plus, Rigur, Durus, ABS, and VisiJet M2R-WT materials. Thirty flat specimens were printed both for 0 and 90 raster orientations. Specimen scans were superimposed on the 3D model from CAD software. Each of them was tested, paying attention to the accuracy and the laye

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ROY, MICHAËL, SEBTI FOUFOU, and FRÉDÉRIC TRUCHETET. "MESH COMPARISON USING ATTRIBUTE DEVIATION METRIC." International Journal of Image and Graphics 04, no. 01 (2004): 127–40. http://dx.doi.org/10.1142/s0219467804001324.

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We propose a mesh comparison method using a new attribute deviation metric. The considered meshes contain geometrical and appearance attributes (material color, texture, temperature, etc.). The proposed deviation metric computes local differences between the attributes of two meshes. A mesh comparison assessment can be done easily and quickly using this metric. The techniques proposed are applicable in a number of ways, e.g. 3D matching and registration, and the example described in the paper is the simplification of a surface by iteratively reducing its complexity according to an error metric

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Dupljanin, Snježana, Mirko Čeliković, and Dragoljub Mirjanić. "Static measurement of magnetic hysteresis loop for spring steel and vacon 11 (metal-ceramic alloy NiFeCo) materials." Journal of Physics: Conference Series 2930, no. 1 (2024): 012008. https://doi.org/10.1088/1742-6596/2930/1/012008.

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Abstract The paper presents the results of magnetic hysteresis measurements for the materials spring steel and metal-ceramic alloy NiFeCo (Vacon 11). A static measurement was performed over a wide range of the external field H, from -10000 to 10000 A/m for the first material and from -12600 to 12600 A/m for the second. The B-H curve, also known as the hysteresis loop was created. Based on this curve, it was determined that both materials belong to the group of magnetically semi-hard materials, with coercivity ranging from 1000 to 50000 A/m. The measurement results were compared to the theoreti

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Karasev, Leonid S., Sergey A. Shorohov, Aleksey V. Krotov, and Sergey A. Gamayanov. "PECULIARITIES OF DEFORMATION OF MODELS OBTAINED BY FDM-PRINTING TECHNOLOGY FROM DIFFERENT POLYMERS." Technologies & Quality 55, no. 1 (2022): 48–52. http://dx.doi.org/10.34216/2587-6147-2022-1-55-48-52.

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This article deals with the peculiarities of polymeric materials used in 3D printing. It analyses and compares the linear deviation value, the level of roughness and surface roughness of polymer prototypes made of different materials. Technical recommendations are given concerning the possibilities of 3D FDM printing and peculiarities of polymer material selection for its use as a building material for the production of prototypes of artistic models.

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Oreshkin, Oleg, Daniil Panov, Laura Kreinest, André Temmler, and Alexander Platonov. "Shape Deviation of Surface Structures Produced by WaveShape (Structuring by Laser Remelting) on Ti6Al4V and a Method for Deviation Reduction." Micromachines 12, no. 4 (2021): 367. http://dx.doi.org/10.3390/mi12040367.

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Laser structuring by remelting (WaveShape) is a manufacturing process for metal surfaces in which structures are generated without material removal. The structuring principle is based on the controlled motion of the three-phase line in the area of the solidification front. The contour of the solidification front is imprinted into the remelting track during the continuous solidification process. Typically, harmonic surface structures in the form of sinusoidal oscillations are generated by means of WaveShape with virtually no material loss. However, a significant shape deviation is often observe

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Mrykhin, Andrew L., and Svitlana G. Antoshchuk. "Information model for assessing the impact of tactical material procurement risks on order fulfillment in make-to-order manufacturing." Herald of Advanced Information Technology 7, no. 3 (2024): 243–52. http://dx.doi.org/10.15276/hait.07.2024.16.

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Manufacturing businesses are showing increased interest in the issue of supply risks for materials and components. In recent decades, numerous studies and reviews have been published on the subject of supply chain risks. However, most research examines the global impact of risks on business as a whole and proposes a multi-level procedure for identifying, assessing, and developing risk mitigation measures, which should be carried out in advance with the involvement of specialists and experts. Nevertheless in maketo-order manufacturing, it is important to assess the risks of material supply for

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ZHU, Hong, and Gaoyan HOU. "Optimization of SLS forming parameters in the dimensional accuracy of formed parts." E3S Web of Conferences 233 (2021): 01069. http://dx.doi.org/10.1051/e3sconf/202123301069.

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In selective laser sintering powder forming, the performance and dimensional accuracy of the formed part are affected by the process parameters. Different materials have different process parameters, and there is still no reference standard for PA materials. To solve this problem, in response to this problem, PA2200 material was selected, and the influence of scanning interval and scanning speed on the dimensional accuracy of the formed part was analyzed. Through theoretical analysis and experiments, the optimal process parameters were obtained. The best combination of parameters is a scanning

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Onyia, M. E., and C. U. Aroh. "Estimating the Contribution of Various Construction Materials on Construction Waste Generation Onsite in South Eastern Nigeria." Journal of Applied Sciences and Environmental Management 28, no. 5 (2024): 1609–14. http://dx.doi.org/10.4314/jasem.v28i5.33.

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There are many challenges arising from the generation of construction waste onsite, chief of them are environmental pollution and material loss. A number of factors can lead to the generation of construction waste. Hence, the objective of this paper was to ascertain the construction material that leads greatest onsite generation of construction waste in Nigeria using structured questionnaire to gather data from primary source by surveying fourteen most common construction materials. Results obtained revealed that timber, ceramic tiles and mortar ranked 1st , 2nd and 3rd with standard deviation

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Krawczuk, Ałła. "Typologia odstępstw od normy ogólnopolskiej w zakresie wymagania przypadka w tekstach „Gazety Polskiej Bukowiny” wydawanej w Ukrainie." Poradnik Językowy, no. 9/2024(818) (December 1, 2024): 18–41. https://doi.org/10.33896/porj.2024.9.2.

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The author proposes a comprehensive typology of deviations from the codified norm in terms of structures with the required case in written Polish in Ukraine on the material of the Polishlanguage periodical “Gazeta Polska Bukowiny”. The material was systematised on the basis of three criteria: 1) type of structure, 2) origin of the deviation from the norm, and 3) rank of the deviation from the norm. The inclusion of the novel rank criterion makes it possible to look at Polish in Ukraine / of Ukrainians from a more liberal and at the same time more contemporary perspective. The analysis of the n

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Wang, Xue Jun, Yan Fang Ding, Hong Bin Liu, Yi Lin Chi, and Ping Xu. "Study on Running Deviation and Adjusting Deviation of Belt Conveyor's Structure Based on Synchronous Technology." Advanced Materials Research 634-638 (January 2013): 3794–97. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.3794.

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Belt conveyor is widely used in a variety of automated production lines and bulk material transportation is one of the most important applications. In order to improve the accuracy of the belt conveyors, it is need not only to strictly control the production crafts, more importantly, to improve the rationality of the structure and design level. Running deviation and adjusting deviation problem are important issues to be considered in a belt conveyor design process. In this study, the 3D synchronous technology of Solid Edge ST4 will be applied in the design of the belt conveyor to design a new

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J, Dhivya Priya, Arunpriyatharsini S, Sridharan R, and Mohamed Ejaj M. "`3D PRINTING IN IMPLANT DENTISTRY-A REVIEW." Thai Moogambigai Journal Of Periodontics and Dental Science 2, no. 2 (2021): 28–34. http://dx.doi.org/10.37841/tmjpds_2020_v2_i2_02.

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Three-dimensional (3D) printing is an additive manufacturing method in which by laying down successive layers of material a 3D item is formed. Charles Hull created the 3D printer which used the technique of stereolithography, as well as the first program for virtualization.Various types of polymers,gels , resins and powders are the materials employed in 3D printing.3D printing techniques includes liquid based, solid based and powder based using which surgical guides and implant abutment can be fabricated .The accuracy of 3D printed implants is assessed by global deviation, angular deviation, d

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Seifert, Lukas, Lisa Leuchtenberger-Engel, and Christian Hopmann. "Development of PP Compound Recipes Using Genetic Algorithms and Analytical Models." Polymers 17, no. 8 (2025): 1059. https://doi.org/10.3390/polym17081059.

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This study explores the development of polypropylene (PP) compound recipes using analytical models (AM) combined with genetic algorithms (GAs). A talcum-filled PP compound, commonly utilised in injection moulding for packaging applications, served as a reference material, with shear viscosity, tensile modulus, and impact strength selected as target properties for replication. The AM were adapted and fitted to a dataset of 52 compounds, achieving high predictive accuracy for shear viscosity and tensile modulus, while impact strength proved more challenging due to its inherent variability. Three

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Turek, Paweł, Anna Bazan, and Marcin Bulicz. "Effect of 3D Printing Orientation on the Accuracy and Surface Roughness of Polycarbonate Samples." Machines 13, no. 1 (2024): 9. https://doi.org/10.3390/machines13010009.

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The study evaluates models produced using fused deposition modeling (FDM) technology in five orientations, fabricated from polycarbonate (PC) material with a FORTUS 360mc printer. The models included simple shapes (planes and cylinders) and complex free-form surfaces. Accuracy was assessed using a GOM Scan 1 scanner and GOM Inspect 2019 software, focusing on 3D deviations and dimensional and geometric deviations (form, position, and orientation, which have not yet been analyzed in similar studies and may limit the usage of the printed elements). Surface roughness was analyzed using a MarSurf X

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Durgun, Ismail. "Sheet metal forming using FDM rapid prototype tool." Rapid Prototyping Journal 21, no. 4 (2015): 412–22. http://dx.doi.org/10.1108/rpj-01-2014-0003.

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Purpose – The purpose of this paper is to investigate usage of fused deposition modeling (FDM)-based sheet metal tooling for small lot productions as a real case. FDM-based sheet metal tooling was used for stamping prototype parts for two different materials to evaluate dimensional conformance. Design/methodology/approach – The experimental process of data capture used the following steps: sheet metal parts were stamped and optically scanned at every 10th interval for both DC04 and S355MC material. FDM-based upper and lower dies were optically scanned at 1st, 51st and 101st intervals. Dimensio

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Turnic, Dragana, Srdjan Zivkovic, Marija Spasojevic-Surdilovic, Marko Milosevic, and Aleksandra Igic. "Influence of geometrical and structural imperfections on the behavior of steel plate girders." Facta universitatis - series: Architecture and Civil Engineering 19, no. 2 (2021): 171–82. http://dx.doi.org/10.2298/fuace211130013t.

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The girders or parts of the girders are not ideally flat in terms of their geometry. The deviations that occur are defined as geometric imperfections. Also, in the material from which the girder is made, a certain deviation may occur during factory production or for some other reason, which is known as structural imperfection. This paper presents the analysis of the behavior of plate girders (welded steel I girders), with and without material stiffening and loaded with patch loading. The results were obtained by numerical simulation in the ANSYS for models with included geometric imperfections

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Zhang, Mu-Hang, Xiao-Hong Shen, Lei He, and Ke-Shi Zhang. "Investigation of Deformation Inhomogeneity and Low-Cycle Fatigue of a Polycrystalline Material." Applied Sciences 11, no. 6 (2021): 2673. http://dx.doi.org/10.3390/app11062673.

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Considering the relationship between inhomogeneous plastic deformation and fatigue damage, deformation inhomogeneity evolution and fatigue failure of superalloy GH4169 under temperature 500 °C and macro tension compression cyclic loading are studied, by using crystal plasticity calculation associated with polycrystalline representative Voronoi volume element (RVE). Different statistical standard deviation and differential entropy of meso strain are used to measure the inhomogeneity of deformation, and the relationship between the inhomogeneity and strain cycle is explored by cyclic numerical s

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Li, Dong, and Baoshi Jiang. "The Effect of Nodal Deviation on the Reliability Performance of the Optimized Free-Form Single-Layer Reticulated Shell." Applied Sciences 15, no. 10 (2025): 5379. https://doi.org/10.3390/app15105379.

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The free-form single-layer reticulated shell structure has the characteristics of complex shape, a high degree of static indeterminacy, and difficult node positioning in the construction process, and the nodal deviations that may occur in the construction stage have a significant impact on the reliability performance of the structure. In order to evaluate the influence of the nodal deviation on the reliability performance of the structure in the process of shape optimization, this paper takes the free-form surface of the rectangular plane as the initial structure. Shape optimization is carried

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Timoshkov, P. N., V. A. Goncharov, M. N. Usacheva, and A. V. Khrulkov. "INFLUENCE OF TECHNOLOGICAL PARAMETERS ON CHARACTERISTICS OF POLYMER COMPOSITE MATERIALS IN AUTOMATED LAYUP OF PREPREGS (review)." Proceedings of VIAM, no. 6 (2021): 46–55. http://dx.doi.org/10.18577/2307-6046-2021-0-6-46-55.

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The main technological factors when using ATL and AFP technologies are material temperature, laying speed, rolling pressure and no deviation from the required laying trajectory. The article discusses the influence of technological factors on some characteristics of polymer composite materials. The optimum laying temperature should provide the required adhesion. The rate of laying should provide heating of the material without its technological properties. The rolling pressure during laying should ensure optimal porosity and thickness of the material.

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Qiu, Xiao Lin, Guo Wei Chang, Shu Ying Chen, and Jian Guo He. "Measurement System of Contact Angle between Molten Steel Droplet and Refractory Material." Advanced Materials Research 299-300 (July 2011): 277–81. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.277.

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The distinct images of molten steel droplets were obtained utilizing a home-made experimental equipment, and the method which measures the contact angle between the molten steel droplet and the refractory material using a computer image processing technology and Visual C++ language was represented, meanwhile the measurement system of the contact angle was developed. The results show that the maximum deviation of the measurement system is 0.13° comparing with the actual measurement results, the minimum deviation is 0.03°, and the mean deviation is 0.06°. Under this experiment conditions, the co

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ÇOLAK, Bilal, Zahoor AHMED, Batuhan ÖZAKIN, and Naci KURGAN. "An Experimental Investigation into Roughness Transfer in Asymmetrical Rolling of Steel Strips." Karadeniz Fen Bilimleri Dergisi 13, no. 3 (2023): 1070–89. http://dx.doi.org/10.31466/kfbd.1289221.

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This study investigated the effect of rolling parameters such as speed, thickness reduction, roll surface roughness, material thickness, surface condition (dry or lubricated), and rolling force on the roughening characterization in asymmetrical rolling. The surface roughness of the samples subjected to rolling tests was measured. The roughness values' average and standard deviation were found, and 3-D scanning images were acquired. Lubricated texturing experiments revealed that lubrication reduced roughness transfer. It was found that the introduction of roughness on the material surface decre

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Shu, Qijiang, Jing Liu, Xu Lan, et al. "Correction analysis for the deviation between vacuum furnace and material growth temperatures." Vacuum 144 (October 2017): 21–26. http://dx.doi.org/10.1016/j.vacuum.2017.07.006.

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Mazurina, О. V., and О. I. Kashura. "New opportunities for surgical treatment of paralytic strabismus in children." Modern technologies in ophtalmology, no. 1 (May 29, 2021): 145–47. http://dx.doi.org/10.25276/2312-4911-2021-1-145-147.

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Purpose. To assess the clinical effectiveness of the developed surgical method for treating paralytic strabismus. Material and methods. The operation was performed on 32 patients with paralytic strabismus (32 eyes) aged 3 to 12 years. All patients had diplopia in the primary gaze position or in a small abduction. Convergent strabismus was diagnosed in 26 children (81%), divergent strabismus – in 6 patients (19%), in 34% of cases (11 people) strabismus was with a vertical component. Strabismus angle according to Hirshberg before surgery: horizontal deviation from 10 to 30°, vertical – from 5 to

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Bliznakova, Kristina, Iliyan Kolev, Nikolay Dukov, Tanya Dimova, and Zhivko Bliznakov. "Exploring the Potential of a Novel Iodine-Based Material as an Alternative Contrast Agent in X-ray Imaging Studies." Materials 17, no. 9 (2024): 2059. http://dx.doi.org/10.3390/ma17092059.

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Background: Contrast-enhanced mammography is one of the new emerging imaging techniques used for detecting breast tissue lesions. Optimization of imaging protocols and reconstruction techniques for this modality, however, requires the involvement of physical phantoms. Their development is related to the use of radiocontrast agents. This study assesses the X-ray properties of a novel contrast material in clinical settings. This material is intended for experimental use with physical phantoms, offering an alternative to commonly available radiocontrast agents. Materials and Methods: The water-so

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Khotimah, Wininda Qusnul, Vilya Dwi Agustini, and Andys Tiara. "Pelatihan Pemanfaatan Media Sosial Untuk Kampanye Pencegahan Penyimpangan Perilaku Remaja di SMA Muhammadiyah 16 Jakarta." Jurnal Pengabdian Kepada Masyarakat Kalam 3, no. 1 (2024): 1–11. https://doi.org/10.70704/jpk.v3i1.252.

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Behavioral deviations in the educational environment continue to increase and often adorn the news in various mass media. Actors and victims in this case involve children or adolescents. Adolescence is a period of Stress and Strain, in addition to the current era of communication and information technology which also makes it attached to social media. On this basis, this activity was carried out with the aim of being able to contribute to the understanding of deviations in adolescent behavior and the use of social media as a means of campaigning for the prevention of this, as well as an encour

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Ranganathan, Sridhar, Robert G. Easterling, Suresh G. Advani, and Frederick R. Phelan. "The Effect of Micro-Structure Variations on the Permeability of Preform Materials." Engineering Plastics 6, no. 2 (1998): 147823919800600. http://dx.doi.org/10.1177/147823919800600201.

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Most efforts at modelling the permeability of preform materials are based on unit cell approaches in which it is assumed that the medium consists of a regular array of structures of uniform size, shape and position. However, the microstructure of real materials almost always has some degree of dimensional fluctuation about a mean. These variations from uniformity have an effect on the overall permeability, which in general cannot be adequately accounted for in model calculations by defining unit cells based on average geometric properties. In this study, a method for incorporating the effect o

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Ranganathan, Sridhar, Robert G. Easterling, Suresh G. Advani, and Frederick R. Phelan. "The Effect of Micro-Structure Variations on the Permeability of Preform Materials." Polymers and Polymer Composites 6, no. 2 (1998): 63–73. http://dx.doi.org/10.1177/096739119800600201.

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Most efforts at modelling the permeability of preform materials are based on unit cell approaches in which it is assumed that the medium consists of a regular array of structures of uniform size, shape and position. However, the microstructure of real materials almost always has some degree of dimensional fluctuation about a mean. These variations from uniformity have an effect on the overall permeability, which in general cannot be adequately accounted for in model calculations by defining unit cells based on average geometric properties. In this study, a method for incorporating the effect o

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Purushottam Kumar Sharma, Sagar Kumar, and B. K. Sharma. "Performance investigation of punching operation to optimize the over cut of circular hole using Design of Experiment Technique “Taguchi Method”." International Journal of Science and Research Archive 12, no. 2 (2024): 2441–51. http://dx.doi.org/10.30574/ijsra.2024.12.2.1553.

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Current research investigates the optimization of over-cut in circular hole punching operations using a CNC turret punching machine. The study employs the Design of Experiment (DOE) technique, specifically the Taguchi method, to systematically analyze the influence of three critical factors: cutting load, hit rate, and material type. The factors were varied across three levels: cutting load (10, 12, and 14 kN), hit rate (100, 150, and 200 punches per minute), and materials (EN-8, EN-24, and EN-31). An L9 orthogonal array was used to design the experimental runs, resulting in nine unique combin

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Wada, Brandon C., Oliver W. M. Baldwin, and Gerald R. Van Hecke. "Heat–Cool: A Simpler Differential Scanning Calorimetry Approach for Measuring the Specific Heat Capacity of Liquid Materials." Thermo 3, no. 4 (2023): 537–48. http://dx.doi.org/10.3390/thermo3040032.

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Specific heat capacity at constant pressure cp (J K−1 g−1) is an important thermodynamic property that helps material scientists better understand molecular structure and physical properties. Engineers control temperature (through heat transfer) in physical systems. Differential Scanning Calorimetry (DSC) is an analytical technique that has been used for over fifty years to measure heat capacities with milligram size samples. For existing procedures, such as ASTM E1269−11 (2018), the accuracy of molar heat capacity measurements is typically ±2–5% relative to the literature values, even after c

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Egoryshev, S. V. "The influence of criminal deviation on the demographic processes in the Republic of Bashkortostan." RUDN Journal of Sociology 20, no. 1 (2020): 89–101. http://dx.doi.org/10.22363/2313-2272-2020-20-1-89-101.

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The current demographic situation in most regions of Russia is characterized by a number of negative trends associated with population decline, aging, low birth rate, high mortality, redistribution of migration flows and outflow of population, mainly of its young and working-age part, to the most economically developed regions, cities and abroad. Numerous factors influence the state and trends of demographic processes; this influence is studied and taken into account when the strategies of the demographic and social-economic policies of the country as a whole and its regions are considered. Th

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Pham, Thanh Hai. "The deviation between digital and silicone impression for abutment teeth." Journal of Health Sciences 1, no. 3 (2023): 21–24. https://doi.org/10.59070/jhs010323006.

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The advancement of intraoral scanners has allowed for more efficient workflow in the dental practice. The aim of this research was to analyze the impression deviation between intraoral scan technique and conventional polyvinyl siloxane (PVS) material by 3D software. A case series study was performed with 16 teeth. Tooth preparation was taken with supra- or level- gingival heavy chamfer finishing line, then all samples were taken impression using either digital intraoral scanner (Trios 3th generation, 3Shape, Denmark) (group A) and PVS material (Silagum, DMG, Germany) (group B). The analysis wa

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Harahap, Sri Wilda, and Berkat Panjaitan. "KOMPARASI METODE BLENDED LEARNING DENGAN METODE TPR DALAM KEEFEKTIFANNYA TERHADAP SISTEM PEMBELAJARAN DARING PADA MATERI VOCABULARY BAHASA INGGRIS." JURNAL MUTIARA PENDIDIKAN INDONESIA 6, no. 2 (2021): 83–89. http://dx.doi.org/10.51544/mutiarapendidik.v6i2.2265.

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Vocabulary is one of the important aspects of learning a foreign language. With limited vocabulary one will also have a limited understanding of speaking, reading, listening, and writing. This condition requires creative teachers to use the most appropriate and appropriate learning methods in accordance with the material being studied to achieve learning goals and outcomes. This study aims to compare blended learning methods with total physical responses (TPR) methods about their effectiveness in learning English vocabulary materials at DRA Islamic School. . The results of this study showed th

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Gökçe, Hüseyin. "Investigation of Burr Formation and Tool Wear During the Drilling of Commercial Purity Copper Material." Celal Bayar Üniversitesi Fen Bilimleri Dergisi 16, no. 4 (2020): 419–27. https://doi.org/10.18466/cbayarfbe.742762.

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Copper is one of the materials that are sought and requested in many sectors due to its high electrical and thermal conductivity values. Its high ductility makes it difficult to drill commercial purity copper and has a negative effect on hole quality. In this study, commercial purity copper material was subjected to drilling tests with HSS drills without using coolant. Surface roughness, deviation from diameter and deviation from cylindrical values were measured in varying drilling conditions and also modeled by regression analysis. Quantitative effects of the results were determined by analys

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Polini, Wilma, and Andrea Corrado. "A Unique Model to Estimate Geometric Deviations in Drilling and Milling Due to Two Uncertainty Sources." Applied Sciences 11, no. 5 (2021): 1996. http://dx.doi.org/10.3390/app11051996.

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Industry 4.0 involves the use of information and communication technologies to transform industry by intelligent networking machines and processes. The availability of big data sets from manufacturing and inspection allow for developing new and more accurate simulation models. This involves the development of new machining simulation models to consider the geometrical deviations of the workpiece due to the machine tool, the part datum surfaces and the fixturing equipment. This work presents a model that kinematically correlates the locator uncertainty, the form deviation on the part datum surf

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