Surface Modification of Steel Using Liquid Jet Peening (Fatigue Performance)


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Oil jet peening is a surface modification process developed for the introduction of compressive residual stresses. In this process, a high-pressure oil jet impinges on the surface to be peened. Specimens made of AISI 1040 steel were peened at oil pressure of 50 MPa. Residual stresses induced on the oil jet peened specimen was in the order of -200 MPa. Standoff distance influenced the residual stress induced and also the erosion and surface roughness. Fully reversed cantilever bending tests conducted on the peened and unpeened conditions revealed the improved performance of the oil jet peened specimens.



Materials Science Forum (Volumes 539-543)

Main Theme:

Edited by:

T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran




R. Gnanamoorthy and A. Sahaya Grinspan, "Surface Modification of Steel Using Liquid Jet Peening (Fatigue Performance)", Materials Science Forum, Vols. 539-543, pp. 1140-1145, 2007

Online since:

March 2007




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