All Outputs (14)

Influence of process parameters in powder bed fusion of 316L steel: A residual stress study (2024)
Journal Article
Mahmoudi, A. H., Karamifard, F., Khajeian, A., Foroozmehr, E., & Shokrieh, M. M. (in press). Influence of process parameters in powder bed fusion of 316L steel: A residual stress study. Progress in Additive Manufacturing, https://doi.org/10.1007/s40964-024-00687-w

To maintain the structural integrity in additively manufactured samples, it is important to study the induced residual stresses which are widely ignored. Powder bed fusion (PBF) is a type of additive manufacturing process in which the metal powder is... Read More about Influence of process parameters in powder bed fusion of 316L steel: A residual stress study.

An approach to predicting corrosion fatigue for marine applications (2023)
Journal Article
Khajeian, A., Mahmoudi, A. H., & Seifi, R. (2024). An approach to predicting corrosion fatigue for marine applications. International Journal of Fatigue, 179, Article 108030. https://doi.org/10.1016/j.ijfatigue.2023.108030

Corrosion fatigue is one of the main failure mechanisms of components working in corrosive environments. As a result, the assessment of this phenomenon and taking it into account is of paramount importance in designing such components and particularl... Read More about An approach to predicting corrosion fatigue for marine applications.

Application of spherical macro-indentation for determination of plastic anisotropy and residual stresses using indentation geometry and inverse analysis (2023)
Journal Article
Karbasian, A., & Mahmoudi, A. H. (2023). Application of spherical macro-indentation for determination of plastic anisotropy and residual stresses using indentation geometry and inverse analysis. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 237(11), 2379-2399. https://doi.org/10.1177/14644207231179454

The simultaneous determination of mechanical properties and residual stresses using the instrumented indentation technique is more challenging when the anisotropic behaviour of a material is considered. If ignored, it may lead to inaccurate estimatio... Read More about Application of spherical macro-indentation for determination of plastic anisotropy and residual stresses using indentation geometry and inverse analysis.

An improvement in data interpretation to estimate residual stresses and mechanical properties using instrumented indentation: A comparison between machine learning and Kriging model (2022)
Journal Article
Salmani Ghanbari, S., & Mahmoudi, A. H. (2022). An improvement in data interpretation to estimate residual stresses and mechanical properties using instrumented indentation: A comparison between machine learning and Kriging model. Engineering Applications of Artificial Intelligence, 114, Article 105186. https://doi.org/10.1016/j.engappai.2022.105186

The instrumented indentation method has been introduced as an effective means of estimating surface residual stresses. This technique has also been widely utilized to measure mechanical properties of the materials. Most studies in recent years have b... Read More about An improvement in data interpretation to estimate residual stresses and mechanical properties using instrumented indentation: A comparison between machine learning and Kriging model.

Effects of water jet peening on residual stresses, roughness, and fatigue (2021)
Journal Article
Mahmoudi, A. H., Jamali, A. M., Salahi, F., & Khajeian, A. (2021). Effects of water jet peening on residual stresses, roughness, and fatigue. Surface Engineering, 37(8), 972-981. https://doi.org/10.1080/02670844.2020.1850196

Water jet peening is a surface modification technique which can introduce compressive residual stresses beneath the surface of the engineering components. In this paper, the effects of water jet peening process, in the absence of abrasive materials o... Read More about Effects of water jet peening on residual stresses, roughness, and fatigue.

Application of a portable indentation rig with Rockwell indenter to determine mechanical properties and residual stresses on an aluminum plate (2020)
Journal Article
Ghanbari, S. S., & Mahmoudi, A. (2020). Application of a portable indentation rig with Rockwell indenter to determine mechanical properties and residual stresses on an aluminum plate. Journal of Strain Analysis for Engineering Design, 55(7-8), 246-257. https://doi.org/10.1177/0309324720921289

Measuring residual stresses is still a dilemma in many engineering applications. It is even more crucial when the industrial requirements demand for a non-destructive technique in order to avoid compromising the structural integrity of the engineerin... Read More about Application of a portable indentation rig with Rockwell indenter to determine mechanical properties and residual stresses on an aluminum plate.

Shot peening effects on corrosion behavior of commercial pure titanium in body simulating solution (2019)
Journal Article
Nabiee, M., Fattah-alhosseini, A., & Mahmoudi, A. (2019). Shot peening effects on corrosion behavior of commercial pure titanium in body simulating solution. Materials Research Express, 6(11), Article 116556. https://doi.org/10.1088/2053-1591/ab49a6

In this study, the effect of shot peening on the corrosion behavior and the microstructure of commercial pure titanium was studied. The experiments including measuring the compressive residual stresses created by shot peening using steel balls (0.3 m... Read More about Shot peening effects on corrosion behavior of commercial pure titanium in body simulating solution.

An approach for Knoop and Vickers indentations to measure equi-biaxial residual stresses and material properties: A comprehensive comparison (2019)
Journal Article
Hosseinzadeh, A., & Mahmoudi, A. (2019). An approach for Knoop and Vickers indentations to measure equi-biaxial residual stresses and material properties: A comprehensive comparison. Mechanics of Materials, 134, 153-164. https://doi.org/10.1016/j.mechmat.2019.04.010

A residual stress analysis is indispensable to anticipate engineering structure loading conditions. For this purpose, there are various methods, including indentation technique, a non-destructive test, which also enables us to measure material proper... Read More about An approach for Knoop and Vickers indentations to measure equi-biaxial residual stresses and material properties: A comprehensive comparison.

Shot peening effects on residual stresses redistribution of offshore wind monopile multi-pass weldments (2019)
Journal Article
Khajeian, A., Mahmoudi, A., & Mehmanparast, A. (2019). Shot peening effects on residual stresses redistribution of offshore wind monopile multi-pass weldments. Marine Structures, 66, 106-120. https://doi.org/10.1016/j.marstruc.2019.03.006

In some industrial applications, welding is the only alternative to join different parts. However, the major problem in welded structures is the tensile residual stresses that are inevitably produced during welding process. Surface tensile stresses c... Read More about Shot peening effects on residual stresses redistribution of offshore wind monopile multi-pass weldments.

Measuring nonequibiaxial residual stresses and mechanical properties using Knoop indentation (2018)
Journal Article
Hosseinzadeh, A. R., & Mahmoudi, A. H. (2020). Measuring nonequibiaxial residual stresses and mechanical properties using Knoop indentation. Journal of Testing and Evaluation, 48(2), 1365-1387. https://doi.org/10.1520/jte20170730

A proper knowledge of the mechanical properties and residual stresses of materials has a significant role in the prediction of engineering failures. Indentation is a simple, nondestructive test that is capable of estimating both residual stresses and... Read More about Measuring nonequibiaxial residual stresses and mechanical properties using Knoop indentation.

Determination of mechanical properties using sharp macro-indentation method and genetic algorithm (2017)
Journal Article
Hosseinzadeh, A., & Mahmoudi, A. (2017). Determination of mechanical properties using sharp macro-indentation method and genetic algorithm. Mechanics of Materials, 114, 57-68. https://doi.org/10.1016/j.mechmat.2017.07.004

To determine mechanical properties, instrumented indentation is a non-destructive one where traditional methods (such as tensile test) are not accessible. However, there are several serious challenges when trying to correctly use this technique. H... Read More about Determination of mechanical properties using sharp macro-indentation method and genetic algorithm.

A modification to the cross slitting method for measuring two components of residual stresses (2017)
Journal Article
Mahmoudi, A., & Hasani, A. (2017). A modification to the cross slitting method for measuring two components of residual stresses. Journal of Strain Analysis for Engineering Design, 52(2), 93-101. https://doi.org/10.1177/0309324716685915

Residual stresses measurement techniques are constantly modified and progressed. There have been many residual stresses measurement methods developed and practiced by researchers. Slitting method is one of the destructive techniques that can measure... Read More about A modification to the cross slitting method for measuring two components of residual stresses.

A comprehensive experimental and numerical study on redistribution of residual stresses by shot peening (2015)
Journal Article
Mahmoudi, A., Ghasemi, A., Farrahi, G., & Sherafatnia, K. (2016). A comprehensive experimental and numerical study on redistribution of residual stresses by shot peening. Materials and Design, 90, 478-487. https://doi.org/10.1016/j.matdes.2015.10.162

Shot peening is one of the most effective surface strengthening treatment technologies in which compressive residual stresses are induced beneath the specimen surface. Effects of various factors on the distribution of residual stress profile induced... Read More about A comprehensive experimental and numerical study on redistribution of residual stresses by shot peening.

Influence of asymmetrical cuts in measuring residual stresses using contour method (2015)
Journal Article
Mahmoudi, A., & Saei, A. (2015). Influence of asymmetrical cuts in measuring residual stresses using contour method. International Journal of Pressure Vessels and Piping, 134, 1-10. https://doi.org/10.1016/j.ijpvp.2015.08.004

Experimental methods to determine residual stresses are mainly divided into destructive and non-destructive categories. Contour method is a destructive technique that offers a two dimensional map of normal component of residual stresses. The conventi... Read More about Influence of asymmetrical cuts in measuring residual stresses using contour method.