Discontinuities are detected by a penetrating colored liquid.Indications form directly over the defect. This method detects surface breaking discontinuities only.
This examination process is useful for detection of open to surface discontinuities only.
Applicable to varieties of non porous materials.
Produces enlarged indication for easy detection.
Relative volume of a flaw is indicated by the amount of bleed out.
Liquid Penetrant Testing
MICRO NDT SOLUTIONS & TRAINING INSTITUTE 