单词 |
dye penetrant inspection |
释义 |
dye penetrant inspection
dye penetrant inspection A technique of nondestructive testing to detect surface defects in metal or plastic components. The component is soaked in a penetrating liquid and then washed to remove all penetrant from its surface. The surface is then covered with a developing powder. The powder pulls the penetrant from any defects on the surface of the component. The penetrant plainly shows up on the powder-covered surface, outlining any defective surface.AcronymsSeedots per inch |
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