Research Article
Cold Expansion Strengthening of 7050 Aluminum Alloy Hole: Structure, Residual Stress, and Fatigue Life
Figure 11
Von Mises stress cloud diagram and tangential residual stress cloud diagram under different squeezing amounts.
(a) Von Mises stress distribution cloud diagram and tangential residual stress distribution cloud diagram under 3% extrusion |
(b) Von Mises stress distribution cloud diagram and tangential residual stress distribution cloud diagram under 3.6% extrusion |
(c) Von Mises stress distribution cloud diagram and tangential residual stress distribution cloud diagram under 4% extrusion |