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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sorsa, Aki
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Publications (4/4 displayed)
- 2020Statistical evaluation of the Barkhausen Noise Testing (BNT) for ground samples
- 2019Case Depth Prediction of Nitrided Samples with Barkhausen Noise Measurementcitations
- 2018Surface layer characterization of shot peened gear specimenscitations
- 2015Modelling of Material Properties Using Frequency Domain Information from Barkhausen Noise Signalcitations
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article
Surface layer characterization of shot peened gear specimens
Abstract
The production of gear components includes numerous manufacturing<br/>operations, which are carried out to ensure proper surface characteristics.<br/>Shot peening is one of the surface finishing processes used for transmission<br/>components like gears to improve their fatigue behavior. Shot peening increases<br/>the compressive residual stresses on the surface, and the procedure also reduces<br/>the amount of retained austenite in the surface layer. In addition, shot peening<br/>has an influence on other mechanical properties, such as surface roughness and<br/>surface hardness. An experimental design was conducted with varying shot<br/>peening process parameters, like coverage density and intensity, to alter the<br/>surface layer of 13 transmission gear specimens. The correlation between shot<br/>peening parameters, Barkhausen noise (BN) features, and X-ray diffraction<br/>residual stress measurement was studied. Linear correlation was found between<br/>residual stress and shot peening parameters. The relationship between residual<br/>stress and BN root-mean-square was not evident but was revealed by taking the<br/>ratio of BN measurements at different frequencies. Additionally, BN features, such as peak position, coercivity, and integral area, were found to have a linear trend with the intensity. Along with the aforementioned measurements, other material characterization measurements were also taken. The shot peening coverage density was observed to have a linear relationship with surface roughness values, while an intensity of over 0.6 mm A was noticed to affect the surface hardness. The results obtained can be used in the determination of suitable shot peening parameters to achieve a surface with desired residual stress and other surface properties.