Why Aluminum Laser Welds Go Wrong
Aluminum can be frustrating because it does not fail in obvious ways. Your first millimeters may be erratic when the surface reflects the beam, then the weld stabilizes once a keyhole forms and absorption climbs. Parts that look clean can still hold moisture or oils in the oxide film, which often becomes porous after solidification. Then an alloy swap can change crack sensitivity enough that yesterday’s settings no longer hold. Denaliweld publishes a short reference you can skim before you start: Laser Welding Aluminum. Why Process References Matter When you are tuning laser welding aluminum, you are managing a chain, … Read more









