When repairing aluminum alloy welds, determine the location and size of the defect based on the negative, and then dig down slowly. Do not cut too hastily. Tungsten-involved defects are also one of the best to find. Sparks will emit when touching tungsten, just dig them out.#welder #welding #weld #weldlife #weldernation #weldinglife #bluecollar #metal #steel #mig #migwelder #migwelding #migweld

Failure modes in composite materials