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. 2021 Dec 22;15(1):65.
doi: 10.3390/ma15010065.

Study on the Effect of Deposited Graphene Oxide on the Fatigue Life of Austenitic Steel 1.4541 in Different Temperature Ranges

Barbara Nasiłowska  1 , Zdzisław Bogdanowicz  2 , Paweł Bogusz  2 , Aneta Bombalska  1 , Zygmunt Mierczyk  1
Affiliations

Study on the Effect of Deposited Graphene Oxide on the Fatigue Life of Austenitic Steel 1.4541 in Different Temperature Ranges

Barbara Nasiłowska et al. Materials (Basel). .

Abstract

This paper presents the effect of deposited graphene oxide coating on fatigue life of austenitic steel 1.4541 at 20 °C, 100 °C, and 200 °C. The study showed a decrease in the fatigue life of samples with a deposited graphene oxide layer in comparison with reference samples at 20 °C and 100 °C. However, an increase in fatigue life of samples with a deposited graphene oxide layer in comparison with reference samples occurred at 200 °C. This relationship was observed for the nominal stress amplitude of 370 and 420 MPa. Measurements of temperature during the tensile failure of the sample and microfractographic analysis of fatigue fractures were performed. Tests have shown that graphene oxide deposited on the steel surface provides an insulating layer. A higher temperature of the samples with a deposited graphene oxide layer was observed during fracture compared to the reference samples.

Keywords: austenitic steel; fatigue life; graphene oxide; steel 1.4541.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Dimensions (mm) of BM (Base Material) and BM + GO (Base Material + Graphene Oxide) samples subjected to mechanical and fatigue testing.
Figure 2
Figure 2
Deposition process of graphene oxide on BM + GO samples; activation and plasma purification (a), immersion in dispersed graphene oxide aqueous suspension (b), vacuum drying (c).
Figure 3
Figure 3
Instron 8862 test stand (a), climate chamber (b) FLIR SC6000 camera (c).
Figure 4
Figure 4
SEM (Scanning Electron Microscope) images of the surface of BM (a) and BM + GO (b) samples.
Figure 5
Figure 5
FTIR (Fourier-transform Infrared Spectroscopy) spectra of the BM and BM + GO samples.
Figure 6
Figure 6
Temperature distribution during static tensile failure test of BM and BM + GO.
Figure 7
Figure 7
Wöhler plot of the limited range of BM and BM + GO samples at different temperature ranges of 20, 100, and 200 °C.
Figure 8
Figure 8
Fatigue life of specimens with and without deposited graphene oxide at 20, 100, and 200 °C performed for maximum stresses of 370 and 420 MPa.
Figure 9
Figure 9
Temperature difference during fatigue rupture of BM and BM + GO samples.
Figure 10
Figure 10
Microfractography of the fatigue fracture of BM (a–d) and BM + GO (e–h) samples. Single-focus fatigue crack initiation (1), focal zone (2), fatigue zone (3), transition zone (4), residual zone (5), faults (6).
Figure 11
Figure 11
Microfractography of deposited graphene oxide on the surface of steel 1.4541 BM + GO specimens during fatigue tests. Before (a) during (b,c) and after the tests (d).
See this image and copyright information in PMC

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