| 单词 | penetrant testing |
| 释义 | > as lemmaspenetrant testing 2. Materials Science. A coloured or fluorescent liquid used to penetrate cracks, pores, and other surface defects to facilitate their detection. Frequently attributive, as penetrant inspection, penetrant testing. ΘΚΠ society > occupation and work > equipment > marking tools > [noun] > others arcanna1753 plug1839 penetrant1930 1930 Industr. & Engin. Chem. 22 515/1 This solvent [sc. dichloroethyl ether] is often used with diethylene glycol, soaps, and sulfonated oils in the compounding of wetting-out agents and penetrants. 1948 M. E. Parker Food-plant Sanitation xii. 288 The surface activity of wetting agents, penetrants, and detergents depends upon the simultaneous activity of both moieties of the preparation. 1951 Materials & Methods Feb. 92/2 Fluorescent penetrant inspection makes use of a water-washable penetrant of high fluorescence and unusual wetting or penetrating properties. 1973 A. Parrish Mech. Engineer's Ref. Bk. (ed. 11) viii. 13 Penetrant testing is the modern version of the old oil and whiting technique and is applicable to all metals and many non-metallic materials. 1991 Nucl. Energy June 159/1 All of the cladding has been dressed to the requisite surface finish and form tolerance, ultrasonically examined, dye penetrant inspected (DPI), thickness checked and ferrite levels determined. < as lemmas |
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