Quantifying Carbide Banding Severity in Tool Steels for Cell Stamping Dies
Quantifying tool steel carbide banding via ASTM E1268 stereology prevents micro-chipping and premature fracture in high-takt battery cell stamping dies.
Ultrasonic Phased Array
Meaning
Non-destructive material evaluation technology uses multiple ultrasonic transducers to generate steerable beams that detect internal material flaws and weld defects. In battery pack assembly, employing ultrasonic phased array testing scans the structural welds of the enclosure to ensure leak-proof seals. The measurement depth depends on the frequency of the acoustic waves and the density of the metal, making it suitable for both steel and aluminum housings used in vehicle battery packs.
Defect Detection
Discontinuities in the weld material reflect the sound waves back to the receiver, revealing the exact location and size of internal voids. This high-resolution scan detects micro-cracks before they can propagate under vibration. Repair teams use these coordinates to rework the weld.
Process Efficiency
Automated scanning systems can inspect the entire perimeter of a battery enclosure in a few seconds. This high speed allows manufacturers to perform one hundred percent inspection on high-speed assembly lines. Consistent scan times keep the line moving.
Quality Record
Inspection data is saved to a digital database to provide a permanent quality record for each assembled unit. Sourcing teams use these quality records to verify that the supplier meets all structural safety specifications. Traceability is maintained for every pack.