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Injection molding simulation with solid semi-crystalline polymer mechanical behavior for ejection analysis [Elektronski vir]Mole, Nikolaj ; Krebelj, Kristjan ; Štok, BorisInjection molded products, produced from semi-crystalline polymers, may include undercut features which can introduce distortion to the shape of the product during ejection. A thermo-mechanical ... modeling approach for simulating these advanced ejection problems is developed. The approach is formed by combining a method for three-dimensional residual stress prediction and an advanced material model for modeling the solid visco-elasto-plastic mechanical behavior. The task of this work is to assess, by analyzing a plaque-like product, the performance of the approach in the absence of the distortive ejection effects. The numerically predicted product shrinkage and mass at different packing pressure settings are compared to experimental results. The effect of packing pressure on product shrinkage and mass was reproduced by the model and the final residual stress field was found to be in accordance with the expectations. This confirms that the methodology could be used to analyze advanced ejection problems.Source: The international journal of advanced manufacturing technology [Elektronski vir]. - ISSN 1433-3015 (Vol. 93, iss. 9-12, dec. 2017, str. 4111-4124)Type of material - e-articlePublish date - 2017Language - englishCOBISS.SI-ID - 15602459
Author
Mole, Nikolaj |
Krebelj, Kristjan |
Štok, Boris
Topics
injekcijsko brizganje |
numerične simulacije |
zaostale napetosti |
skrčki |
izmetavanje |
injection molding |
numerical simulation |
residual stresses |
shrinkage |
ejection
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Mole, Nikolaj | 08719 |
Krebelj, Kristjan | 34674 |
Štok, Boris | 04078 |
Source: Personal bibliographies
and: SICRIS
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