Analysis of Crack Growth Path under Simple and Mixed-Mode Loading in Specimens with Rectangular Section

Sebastian Faszynka; Dariusz Rozumek

doi:10.4028/www.scientific.net/SSP.251.194

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HomeSolid State PhenomenaSolid State Phenomena Vol. 251Analysis of Crack Growth Path under Simple and...

Analysis of Crack Growth Path under Simple and Mixed-Mode Loading in Specimens with Rectangular Section

Abstract:

The paper presents the test results on the fatigue crack growth under bending, torsion and proportional bending with torsion. The tests were performed at the fatigue test stand MZGS-100 at the constant amplitude of moment M_B = M_T = M_BT = 15.84 N⋅m and stress ratio R = -1. Specimens with rectangular cross-section in fatigue tests were used and were made of EN AW-2017A aluminium alloy. The EN AW-2017A alloy consists of α grains and the Al₂Cu phase. The effect of the microstructure on the crack paths in specimens was observed. Transcrystalline cracks through grains of the α phase have been usually observed on the fractures.

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Periodical:

Solid State Phenomena (Volume 251)

Pages:

194-199

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.251.194

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Online since:

July 2016

Authors:

Sebastian Faszynka*, Dariusz Rozumek

Keywords:

Bending with Torsion, Fatigue Crack Growth, Microstructure, Number of Cycles

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* - Corresponding Author

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