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Thermoelasticity of injection-molded parts
ID
Turk, Janez
(
Author
),
ID
Svenšek, Daniel
(
Author
)
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https://www.mdpi.com/2073-4360/15/13/2841
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Abstract
In the realm of injection-molded parts, small length scale deformation defects such as sink marks often pose a major challenge to the aesthetics or functionality of the parts. To address this problem, we present a comprehensive thermoelastomechanical approach that calculates the deformation of injection molded plastic by solving the elastic problem at each time step. In our methodology, two treatments of the molten core are considered: one as a liquid and the other as a rubbery state. Our results suggest that the rubbery state treatment provides higher accuracy in predicting the deformation results, as it maintains the displacement of the localized thermal shrinkage in its vicinity. The validity of our method is supported by empirical measurements on produced parts from the existing literature as well as on samples that we molded independently.
Language:
English
Keywords:
thermoelasticity
,
injection molding
,
plastic
,
deformations
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FMF - Faculty of Mathematics and Physics
Publication version:
Version of Record
Publication date:
27.06.2023
Year:
2023
Number of pages:
22 str.
Numbering:
Vol. 15, art. no. ǂ2841
PID:
20.500.12556/RUL-155548
UDC:
621.767
ISSN on article:
2073-4360
DOI:
10.3390/polym15132841
COBISS.SI-ID:
157351939
Publication date in RUL:
05.04.2024
Views:
375
Downloads:
64
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Record is a part of a journal
Title:
Polymers
Shortened title:
Polymers
Publisher:
MDPI
ISSN:
2073-4360
COBISS.SI-ID:
517951257
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Secondary language
Language:
Slovenian
Keywords:
termoelastičnost
,
injekcijsko brizganje
,
plastika
,
deformacije
Projects
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
P1-0002-2020
Name:
Večskalno modeliranje in simulacija mehke in biološke snovi v in izven ravnovesja
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
J1-3027-2021
Name:
Večskalne simulacije tekočinskih tokov v nanomaterialih
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
J4-3087-2022
Name:
Razvoj lesnih kompozitov z višjo zaščito pred udarnim hrupom za izboljšanje kvalitete bivanja
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