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

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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 (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Št. strani:4111-4124
Številčenje:9, 93
UDK:519.62:678.027.74
DOI:10.1007/s00170-017-0847-3 Povezava se odpre v novem oknu
Število ogledov:524
Število prenosov:272
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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