Abstract
To solve the optimization problem of edge distance in titanium alloy sheet during a new aircraft development stage, a three dimensional FE model was built on ABAQUS platfom. The effect of edge distance on residual stress distribution was analysised with TC4 titanium alloy by interference-fit strengthening technique under cylic loading. The study indicates that a considerble reduction of fatigue life is found with a lower egde distance ratio(L/D), also, the location of fatigue damage is moving against the hole. Fatigue damage happens in the margin part with edge distance ratio(L/D) less than 2.
| Translated title of the contribution | Process research of edge distance on an interference-fit strengthening technique of titanium alloy sheet |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 1432-1437 |
| Number of pages | 6 |
| Journal | Jixie Qiangdu/Journal of Mechanical Strength |
| Volume | 39 |
| Issue number | 6 |
| DOIs | |
| State | Published - 15 Dec 2017 |
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