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On fatigue crack growth testing and analysis of non-crystallising rubber using planar tension specimen
ID
Kocjan, Tadej
(
Author
),
ID
Nagode, Marko
(
Author
),
ID
Klemenc, Jernej
(
Author
),
ID
Oman, Simon
(
Author
)
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MD5: 73AFCFC02764F37AF10BA49690E81762
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https://www.sciencedirect.com/science/article/pii/S0142941822003403
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Abstract
Rubber fatigue crack growth tests are one method of characterising fatigue behaviour. Due to the possibility of using one specimen to measure fatigue at multiple load levels, it is often considered a faster and less expensive method compared to the time-consuming fatigue crack initiation tests. In this work, the possibility of a new specimen grip geometry for crack growth tests was investigated, enabling the use of specimens cut from compression moulded plates. Several variations of a crack growth predictor parameter for tests with different mean strain levels were investigated. In addition, the optimum variation of the crack growth angle with respect to the loading direction was evaluated using test measurements. The results show that the use of the simplified crack growth predictor can provide the same results as the commonly used tearing energy. Using the Euclidean length of the crack growth increments gives better results than their horizontal projection, with the possibility of using angle deviations up to 90° without major drawbacks.
Language:
English
Keywords:
rubber
,
fatigue crack growth
,
tearing energy
,
crack angle
,
experiments
,
planar tension
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2023
Number of pages:
10 str.
Numbering:
Vol. 117, art. 107819
PID:
20.500.12556/RUL-142405
UDC:
620.178.3
ISSN on article:
0142-9418
DOI:
10.1016/j.polymertesting.2022.107819
COBISS.SI-ID:
128185859
Publication date in RUL:
07.11.2022
Views:
580
Downloads:
102
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Record is a part of a journal
Title:
Polymer testing
Shortened title:
Polym. test.
Publisher:
Elsevier
ISSN:
0142-9418
COBISS.SI-ID:
26155008
Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Secondary language
Language:
Slovenian
Keywords:
guma
,
utrujenostna rast razpoke
,
pretržna energija
,
kot razpoke
,
eksperimenti
,
planarni natezni test
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0182
Name:
Razvojna vrednotenja
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