| 释义 |
ˈhot-short, a.
[f. hot a. + short, after the earlier red-short: cf. also cold-short.]
Of iron: Brittle in its hot state; opp. to cold-short. Hence hot-ˈshortness, the quality or state of being hot-short.
1798D. Mushet in Phil. Mag. II. 160 Hot short iron is possessed of an extreme degree of fusibility. 1875Ure's Dict. Arts II. 956 The tendency of the [sulphur] is to make the metal what is called ‘hot short’, so that it cannot be worked while hot under the hammer. 1877M. Reynolds Locom. Engine Driving iv. (ed. 5) 230 Cracks on the edges of bars, sign of hot-short iron. 1890H. M. Howe Metall. of Steel I. iv. 42/1 Manganese..by bodily removing sulphur from cast-iron and probably from steel,..prevents hot-shortness, both red and yellow. 1961S. A. Hiscock Lead & Lead Alloys for Cable Sheathing vii. 221 By subtracting 20° C. from the ‘cracking-temperature’..some indication will be obtained of the extrusion temperature which must not be exceeded if ‘hot-shortness’..is to be avoided. |