Destructive Testing (DT)
Pillow Test for Resistance and Projection Welds
Verifying weld seam strength by inflating resistance welded panel specimens with internal pressure (pillow test).
The pillow test inflates specimens prepared from resistance and projection welded panel/sheet joints with internal pressure and evaluates the behaviour of the weld seam under pressure. The joint is examined for leakage, separation or tearing along the weld seam, verifying its pressure-bearing capability and production quality.
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