the aluminum, zinc, magnesium and copper of which it's composed flow unevenly. The phenomenon is known as phase segregation, and as a result of it, cracks form along the length of the weld.

See All 15 Photos We're fixing a crack in the side of the ... See All 15 Photos The weld has penetrated the other side of the aluminum. This will be ground down flush with the surface of the ...

It’s a proprietary system designed as a substitute for situations where welding is either impractical or has already proven ineffective. Rather than repairing a crack or blowout through the ...

The welds may have small cracks, which could result in the tensioner malfunctioning and a loss of power steering. BMW started the recall after being notified by the supplier and then testing ...

Just one set of standard copper electrodes produced 50,000 high-quality welds on automotive-grade aluminum sheet. The remarkably long electrode life resulted from polishing the copper electrodes ...