| 释义 |
magnaflux|ˈmægnəflʌks|
Also Magnaflux.
[f. magna-, taken as comb. form of magnetic a. + flux n.]
A method of testing metal parts for internal or surface defects by magnetizing the metal and observing the pattern assumed by a magnetic powder that is applied to it (either directly, or in oil that is used as a bath or sprayed on the metal). Usu. attrib.
1938S.A.E. Jrnl. May 36/1 Another method of magnetic testing..involves the use of Magnaflux in which the parts to be inspected are first longitudinally or circularly magnetized... When properly magnetized, defects result in local flux leakage. Magnaflux powder, being of high magnetic permeability..adheres along the lines of flux leakage. 1940Crump & Maul Our Airliners vii. 139 Every piece is measured and checked for wear and many of the parts go to the magnaflux tank. 1946Jrnl. R. Aeronaut. Soc. L. 535/2 Japanese designers considered that all important parts should be hardness-tested after heat treatment; that welded primary structures should be magnaflux tested; and casting radiologically examined. 1963Jones & Schubert Engin. Encycl. (ed. 3) 783 Although the Magnaflux method of inspection has been universally adopted throughout the aircraft industry it is by no means confined to it.
Add: Hence as v. trans., to test using the magnaflux method.
1959Manch. Guardian 3 Jan. 5/4 ‘Magnaflux the elephant ears and run a test on the kill switch before checking out the tranquillisers.’ This is not a code. A technician at the new American air base at Vandenberg, California, would understand it perfectly. 1987Dirt Wheels Mag. Aug. 25/1 You can take the stock rod and have it magnafluxed for hidden flaws and then shot-peened for strength. |