Influence of abrasive water jet parameters on the surface integrity of Inconel 718 - IMT - Institut Mines-Télécom Accéder directement au contenu
Article Dans Une Revue International Journal of Advanced Manufacturing Technology Année : 2021

Influence of abrasive water jet parameters on the surface integrity of Inconel 718

Kamel Moussaoui
Akshay Hejjaji
Mehdi Salem
Anis Hor
Redouane Zitoune

Résumé

Inconel 718 (IN718) is a precipitation hardened nickel-base super-alloy exhibiting high strength and good corrosion resistance at elevated temperatures and on the downside; it is characterized by poor machinability. Abrasive water jet (AWJ) process offers a potential method to machining difficult-to-cut materials such as IN718. The present work investigates the influence of AWJ parameters on surface roughness, topography, depth of cut, and residual stress when milling IN718. Surface characterization was conducted through 3D optical microscopy and SEM techniques. Residual stresses were measured in longitudinal and transverse directions with respect to the machining path using X-ray diffraction (XRD) technique. The obtained results showed that milled surfaces have a homogeneous texture with embedded abrasive particles and high surface roughness. AWJ process introduced high compressive residual stresses with similar order of level in both directions (X and Y). In addition, it was observed that jet pressure is the most influencing parameter on roughness and depth of cut, whilst traverse speed and step-over distance had a significant effect on the residual stress. Based on the experimental analysis, an empirical model to predict the depth of cut was proposed. The validation of the proposed model has shown around 5% error in the predicted and actual pocket depth.
Fichier principal
Vignette du fichier
Influence-of-abrasive-water-jet .pdf (2.97 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-03201744 , version 1 (23-04-2021)

Identifiants

Citer

Lorena Cano Salinas, Kamel Moussaoui, Akshay Hejjaji, Mehdi Salem, Anis Hor, et al.. Influence of abrasive water jet parameters on the surface integrity of Inconel 718. International Journal of Advanced Manufacturing Technology, 2021, 114, pp.997-1009. ⟨10.1007/s00170-021-06888-9⟩. ⟨hal-03201744⟩
107 Consultations
147 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More