Acta Univ. Agric. Silvic. Mendelianae Brun. 2017, 65(2), 383-389 | DOI: 10.11118/actaun201765020383

The Spread of Corrosion in Cast Iron and its Effect on the Life Cycle of Transportation Vehicles

Tomá¹ Binar1, Jiøí ©varc1, Petr Dostál2, Michal ©ustr2, Jan Tippner3
1 Department of Logistics, University of Defence, Brno, Kounicova 65, 662 10 Brno, Czech Republic
2 Department of Technology and Automobile Transport, Mendel University in Brno, Zemìdìlská 1, 613 00 Brno, Czech Republic
3 Department of Wood Science, Mendel University in Brno, Zemìdìlská 1, 613 00 Brno, Czech Republic

This article deals with the spread of corrosion in material at different exposure times, and its effect on the measured brittle fracture and notch impact strength under different temperature conditions. To assess the degradational effect of corrosion on the material characteristics represented by the measured impact strength, we conducted a fractographic analysis of fracture surfaces, the aim of which was to evaluate the spread of corrosion in the material. In the first part of the experiment, two corrosion tests are simulated with a duration time of 432 and 648 hours, to compare the degradation effect of corrosion on the notch impact strength, depending on the duration of the corrosion tests. The following part shows the results of the impact bending test, where the experiment was conducted in an area of reduced and increased temperatures. The final part summarizes the results of the fractographic analysis of sample fracture surfaces from the impact bending tests. Based on the measured the length of the corrosion cracks, we analyzed the sample at the notch and from the material surface after the impact bending test.

Keywords: exposure time, notch impact strength, metallography, depth of corrosion cracks, fractographic analysis, life cycle, logistics support
Grants and funding:

The work was supported by the Ministry of Defence of the Czech Republic, project No. DZRO K-109. The research has been supported by the project TP 6/2017: Defectoscopic quality assessment of technical and organic materials; financed by IGA AF MENDELU.

Prepublished online: April 30, 2017; Published: May 1, 2017  Show citation

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Binar, T., ©varc, J., Dostál, P., ©ustr, M., & Tippner, J. (2017). The Spread of Corrosion in Cast Iron and its Effect on the Life Cycle of Transportation Vehicles. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 65(2), 383-389. doi: 10.11118/actaun201765020383
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