浸しん透とう探たん傷しょう検けん査さ

noun

penetrant inspection; penetrant testing

A nondestructive testing method where a liquid penetrant is applied to a surface to reveal cracks or defects. Used in engineering and quality control.

• 溶よう接せつ部ぶの表ひょう面めん欠けっ陥かんを調しらべるために浸しん透とう探たん傷しょう検けん査さを実じっ施しした。

  We performed a penetrant inspection to examine surface defects in the weld.