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Injection molding simulation with solid semi-crystalline polymer mechanical behavior for ejection analysis
ID Mole, Nikolaj (Avtor), ID Krebelj, Kristjan (Avtor), ID Štok, Boris (Avtor)

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PID: 20.500.12556/rul/fc8dc565-c036-4654-92eb-9e98743b6d2b

Izvleček
Injection 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.

Jezik:Angleški jezik
Ključne besede:injection molding, numerical simulation, residual stresses, shrinkage, ejection
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Različica publikacije:Recenzirani rokopis
Št. strani:4111-4124
Številčenje:93, 9
PID:20.500.12556/RUL-98332 Povezava se odpre v novem oknu
UDK:519.62:678.027.74
DOI:10.1007/s00170-017-0847-3 Povezava se odpre v novem oknu
Datum objave v RUL:28.02.2018
Število ogledov:2265
Število prenosov:635
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:the international journal of advanced manufacturing technology
ISSN:0268-3768

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