2026-04-17T22:01:13Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/75082024-05-14T09:47:23Zcom_10259_7509com_10259_4266com_10259.4_106com_10259_2604com_10259_6214com_10259_5086col_10259_7510col_10259_6215
Calaf Chica, José
88
600
0000-0001-6152-1641
Bravo Díez, Pedro Miguel
74
600
0000-0003-1273-256X
Preciado Calzada, Mónica
453
600
0000-0003-3076-8814
García Tárrago, María José
842
500
2023-03-08T09:04:28Z
2023-03-08T09:04:28Z
2023-01
http://hdl.handle.net/10259/7508
10.3390/ma16031179
1996-1944
The Small Punch Creep-Recovery Test (SPCRT) is a novel miniature test used to estimate
the viscoelastic properties of polymers and biomaterials. The current investigation related to the
SPCRT is limited to Finite Element Method (FEM) simulations and experimental tests on PVC. The
aim of this investigation was focused on: (i) extending the experimental tests to other polymers with
dissimilar viscoelastic properties; (ii) deepening the influence of non-linear viscoelastic properties in
the estimation capabilities of the SPCRT; and (iii) developing a numerical methodology to estimate
and take into account the viscoelastic recovery produced during the unloading step of compressive
creep-recovery tests (CCRT) and SPCRTs. The experimental tests (CCRTs and SPCRTs) were done on
polyethylene PE 500, polyoxymethylene POM C, nylon PA 6, and polytetrafluoroethylene (PTFE),
with a range of creep loads, in the case of CCRTs, in the whole elastic regime and the surroundings
of the yield strength of each material. The experimental results confirmed that the SPCRT was an
accurate and reliable testing method for linear viscoelastic polymers. For a non-linear viscoelastic
behavior, SPCRT estimated the viscoelastic properties obtained from CCRTs for creep loads near the
yield strength of the polymer, which corresponded with large-amplitude viscoelastic properties in
dynamic creep testing. In order to consider the viscoelastic recovery generated in the unloading
step of CCRTs and SPCRTs, a Maxwell-Wiechert model with two branches was used, simulating
the different steps of the experimental tests, and solving numerically the differential equation of the
Maxwell-Wiechert model with the Runge-Kutta-Fehlberg (RKF) numerical method. The coefficients
of the elements of the Maxwell-Wiechert model were estimated approaching the straining curve
of the recovery step of the simulation with the same curve registered on each experimental test.
Experimental CCRTs with different unloading times demonstrated that the use of this procedure
derived in no influence of the unloading step time in the viscoelastic properties estimation.
application/pdf
eng
MDPI
Materials. 2023, V. 16, n. 3, 1179
https://doi.org/10.3390/ma16031179
Atribución 4.0 Internacional
http://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
SPCRT
SPT
Small punch test
Viscoelasticity
Maxwell-Wiechert model
Electrotecnia
Ingeniería civil
Electrical engineering
Civil engineering
Application of the Small Punch Creep-Recovery Test (SPCRT) for the Estimation of Large-Amplitude Viscoelastic Properties of Polymers
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Materials
16
3
THUMBNAIL
Calaf-materials_2023.pdf.jpg
Calaf-materials_2023.pdf.jpg
IM Thumbnail
image/jpeg
3289
https://riubu.ubu.es/bitstream/10259/7508/4/Calaf-materials_2023.pdf.jpg
11409539d7d87475e362091ed29365c8
MD5
4
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
999
https://riubu.ubu.es/bitstream/10259/7508/3/license.txt
b295bcbce42e2caabeb0c623d3860c06
MD5
3
CC-LICENSE
license_rdf
license_rdf
application/rdf+xml; charset=utf-8
908
https://riubu.ubu.es/bitstream/10259/7508/2/license_rdf
0175ea4a2d4caec4bbcc37e300941108
MD5
2
ORIGINAL
Calaf-materials_2023.pdf
Calaf-materials_2023.pdf
application/pdf
15329241
https://riubu.ubu.es/bitstream/10259/7508/1/Calaf-materials_2023.pdf
fab5be68570a5673ed7267290e7d28aa
MD5
1
10259/7508
oai:riubu.ubu.es:10259/7508
2024-05-14 11:47:23.467
Repositorio Institucional de la Universidad de Burgos
bubrep@ubu.es
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