| 单词 | splat-quench |
| 释义 | > as lemmassplat-quench a. Used attributive and in other combinations with reference to a method of cooling hot liquid metal extremely rapidly by causing droplets of the metal, propelled by a shock wave, to strike and spread out upon a (usually rotating) metal surface; so splat-cool vb., splat-cooled adj., splat-cooling n., splat-quench vb., etc. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > metal in specific state or form > [adjective] > splat-cooled splat1960 splatted1976 1960 New Scientist 28 July 286/2 Known as ‘splat cooling’, it consists in melting about 25 mg of metal in a shock tube by inductive heating. The resultant liquid drops are shot out of the tube by the shock wave and, travelling at high speed, impinge on the inside rim of a fast-revolving copper wheel. Because the splattering drops spread into a very thin film and the centrifugal force imparted by the spinning wheel ensures good thermal contact, the metal or alloy cools at something like a million degrees a second. 1965 Trans. Metall. Soc. AIME 233 1584/1 Heat-transfer coefficients..for aluminum and silver splat cooled essentially on a nickel substrate. 1968 Acta Metallurgica XVI. 1204/2 Alloys from 5 to 95% Sn in approximately 5% steps were splat cooled. 1968 Jrnl. Chem. Physics 48 1911/1 No stacking disorder was observed in splat-quenched two-phase alloys between α-Pb and ε [sc. a Pb–Bi alloy]. 1972 Materials Sci. & Engin. X. 343/1 Small pieces of the homogenized ingots were splat quenched at a rate of approximately 106 deg per sec. 1974 Nature 8 Nov. 100/2 He [sc. Pol Duwez] conceived the idea of blasting a small molten drop of alloy by means of a gaseous shock wave against a sloping piece of copper: the technique soon acquired..the onomatopoeic designation ‘splat-cooling’. 1976 Nature 29 Jan. 271/3 A technique for splat-quenching and compaction of Al–Fe alloys. < as lemmas |
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