Abstract
In order to improve the fracture resistance of under-matched butt joint, the influence of joint geometric parameters on shape factor of under-matched butt joint with center crack is studied based on the finite element method. The result shows that the reinforcement plays the most important role in shape factor of under-matched butt joint with center crack, the cover pass width has the relatively great effect on shape factor and the weld toe smooth transition radius has little effect on shape factor. The fracture resistance of under-matched butt joint with center crack can be improved by choosing appropriate joint geometric parameters.
| Original language | English |
|---|---|
| Pages (from-to) | 101-104 |
| Number of pages | 4 |
| Journal | Hanjie Xuebao/Transactions of the China Welding Institution |
| Volume | 33 |
| Issue number | 1 |
| State | Published - Jan 2012 |
Keywords
- Center crack
- Joint geometric parameters
- Shape factor
- Under-matched butt joint
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