penetrant dye

См. также в других словарях:

• Dye penetrant inspection — 1. Section of material with a surface breaking crack that is not visible to the naked eye. 2. Penetrant is applied to the surface. 3. Excess penetrant is removed. 4. Developer is applied, rendering the crack visible. Dye penetrant inspection… …   Wikipedia

• Penetrant — A penetrant is a substance that penetrates or assists some other material to penetrate another substance or object.Penetrant can refer to: * Penetrant (biochemical), a chemical that helps another chemical to invade a living organism in order to… …   Wikipedia

• penetrant method of nondestructive testing — An essentially noninstrumental method of nondestructive testing that is not dependent on radiation. A special penetrant substance is applied freely on the test object and allowed to work into tight cracks. The penetrant is removed from all… …   Aviation dictionary

• 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… …   Aviation dictionary

• dye-penetrant testing — merkiamasis sandarumo tikrinimas dažiklyje statusas T sritis radioelektronika atitikmenys: angl. dye penetrant testing vok. Dichtheitskontrolle durch Eintauchen in Färbemittel, f rus. проверка герметичности методом погружения в краситель, f pranc …   Radioelektronikos terminų žodynas

• dye penetrant inspection — a method for detecting surface porosity or cracks in metal. The part to be inspected is cleaned and coated with a dye which penetrates any flaws that may be present. The surface is wiped clean and coated with a white powder. The powder absorbs… …   Mechanics glossary

• inspection — dye penetrant inspection ultrasonic inspection …   Mechanics glossary

• blink zyglo — A nondestructive dye penetrant inspection technique to confirm the presence of cracks in materials that are subject to vibrations. The surface of the part is coated with a penetrant in which a visible, or fluorescent, dye is dissolved or… …   Aviation dictionary

• Nondestructive testing — or Non destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage.[1] The terms Nondestructive examination (NDE),… …   Wikipedia

• dwell time — The period for which a dye penetrant should remain on the surface of the component being inspected for any surface defect by dye penentrant inspection method. The dwell time is a direct function of the size of the surface defect and the… …   Aviation dictionary

• nondestructive testing — Techniques of testing aircraft parts and components without altering or destroying physical or material properties or the integrity of the part. It is used to detect cracks and manufacturing defects. Some of the methods include X ray, eddy… …   Aviation dictionary