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Anisotropic Elastic...
Anisotropic Elastic-Viscoplastic Properties at Finite Strains of Injection-Moulded Low-Density Polyethylene
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- Kroon, Martin (författare)
- Linnéuniversitetet,Institutionen för maskinteknik (MT),Linnaeus University, SWE
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- Andreasson, Eskil (författare)
- Blekinge Tekniska Högskola,Institutionen för maskinteknik,Tetra Pak, Sweden;Blekinge Institute of Technology, Sweden
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- Persson Jutemar, Elin (författare)
- Tetra Pak AB, SWE,Tetra Pak, Sweden
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- Petersson, Viktor (författare)
- Tetra Pak AB, SWE,Tetra Pak, Sweden
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- Persson, Leo (författare)
- Tetra Pak AB, SWE,Tetra Pak, Sweden
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- Dorn, Michael, 1978- (författare)
- Linnéuniversitetet,Institutionen för byggteknik (BY),Linnaeus University, SWE
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- Olsson, Pär A T, 1981- (författare)
- Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Malmö University, Sweden,Malmö högskola, SWE
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(creator_code:org_t)
- 2017-08-18
- 2018
- Engelska.
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Ingår i: Experimental mechanics. - : Springer New York LLC. - 0014-4851 .- 1741-2765. ; 58:1, s. 75-86
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Abstract
Ämnesord
Stäng
- Injection-moulding is one of the most common manufacturing processes used for polymers. In many applications, the mechanical properties of the product is of great importance. Injection-moulding of thin-walled polymer products tends to leave the polymer structure in a state where the mechanical properties are anisotropic, due to alignment of polymer chains along the melt flow direction. The anisotropic elastic-viscoplastic properties of low-density polyethylene, that has undergone an injection-moulding process, are therefore examined in the present work. Test specimens were punched out from injection-moulded plates and tested in uniaxial tension. Three in-plane material directions were investigated. Because of the small thickness of the plates, only the in-plane properties could be determined. Tensile tests with both monotonic and cyclic loading were performed, and the local strains on the surface of the test specimens were measured using image analysis. True stress vs. true strain diagrams were constructed, and the material response was evaluated using an elastic-viscoplasticity law. The components of the anisotropic compliance matrix were determined together with the direction-specific plastic hardening parameters. © 2017 The Author(s)
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Annan maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Other Mechanical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Textil-, gummi- och polymermaterial (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Textile, Rubber and Polymeric Materials (hsv//eng)
Nyckelord
- Anisotropic
- Constitutive behaviour
- Elasticity
- Injection-moulding
- LDPE
- Polyethylene
- Tensile
- Viscoplasticity
- Anisotropy
- Low density polyethylenes
- Mechanical properties
- Molding
- Plasticity
- Plates (structural components)
- Polyethylenes
- Polymers
- Strain
- Tensile testing
- Thin walled structures
- Anisotropic elastic
- Compliance matrixes
- Elastic-viscoplasticity
- Manufacturing process
- Monotonic and cyclic loading
- Injection molding
- Maskinteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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