Results 11 to 20 of about 24,364 (259)
The Influence of the Processing Conditions on Changes in Physical and Structural Properties of Injection Moulded Parts Made of Polypropylene [PDF]
Archives of Metallurgy and Materials, 2023 The injection moulding conditions may change the degree of crystallinity of the plastic to some extent, which affects the mechanical properties such as tensile strength and hardness. Moreover, the cooling conditions of the moulded parts may contribute to
P. Palutkiewicz, A. Kalwik, T. Jaruga
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Controlling the structural formation of porized cement composites in the production of thermally efficient enclosure structures of enhanced quality [PDF]
Нанотехнологии в строительстве, 2023 ABSTACT: Introduction. Research to improve the quality of foam concrete products through targeted control of technological processes of structure formation of cement-based compositions is relevant.
Aleksei B. Steshenko +3 more
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Nihon Kikai Gakkai ronbunshu, 2022 The thermal shrinkage technique, which uses shrinkage strain and shrinkage zone to calculate welding distortion, is expected as a simple simulation to predict the welding distortion of large weld structures.
Hiroki MURAKAMI +4 more
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Structural and heat-insulating cement-based concrete with complex glyoxal based additive [PDF]
Нанотехнологии в строительстве, 2022 : Introduction. The article presents the results of studies of the effect of complex additive based on glyoxal on the properties of cement-based foam concrete mix and foam concrete of natural hardening. The relevance of the study is determined by the
Aleksei B. Steshenko +3 more
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Modeling the Influence of Environmental Factors on Concrete Evaporation Rate [PDF]
Journal of Soft Computing in Civil Engineering, 2020 Newly poured concrete opposing hot and windy conditions is considerably susceptible to plastic shrinkage cracking. Crack-free concrete structures are essential in ensuring high level of durability and functionality as cracks allow harmful instances or ...
Vasileios Papadimitropoulos +2 more
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Numerical simulation of closed plastic impeller molding process and its parameter optimization
Scientific Reports, 2022 Aiming at the warping deformation and volume shrinkage of the closed plastic impeller, the relevant compression molding process parameters were optimized.Based on the theoretical equation of the pressing pressure for general sheet plastics, the ...
Mingyue Fang +2 more
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Developments in the Built Environment, 2023 The shrinkage of concrete is crucial under aggressive environmental conditions to avoid short and long-term deterioration. ACI committee for hot weather concreting specifies 35 °C as the maximum limit of fresh concrete to mitigate problems associated ...
Muhammad Nasir +4 more
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Application of Cement-Based Carbon Fiber Material in Construction of Building Durability
International Journal of Analytical Chemistry, 2022 In order to solve the problem of drying shrinkage of cement-based carbon fiber materials in the early stage of hardening, the author proposes the application of cement-based carbon fiber materials in the construction of building durability.
Qiuhong Li +3 more
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Investigation of the Efficiency of Manufacturing Polymer Molds by FDM-Printing [PDF]
E3S Web of Conferences, 2023 The results of experimental studies of the efficiency of manufacturing polymer foundry models by the FDM method are presented. Rational consumables for 3D-printing are revealed.
Krupennikov Oleg, Kiselev Evgeniy
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RILEM Technical Letters, 2022 Understanding the plastic (settlement/shrinkage) cracking phenomena of early-age concrete is important in-order to establish a holistic approach to minimise its occurrence.
John Temitope Kolawole +2 more
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