| 单词 | screw dislocation |
| 释义 | > as lemmasscrew dislocation screw dislocation n. Crystallography a crystal defect characterized by a unit distortion of part of the crystal lattice in a particular direction such that the lattice planes perpendicular to that direction form continuous helical sheets. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal irregularities > [noun] > lattice defects > screw dislocation screw dislocation1948 1940 J. M. Burgers in Proc. Physical Soc. 52 25 Dislocation lines of this character will be said to be of the screw type.] 1948 Rep. Conf. Strength Solids 1947 (Physical Soc.) 46 We may take the simpler case of a screw dislocation (Burgers' second type), lying along the x axis. 1978 P. W. Atkins Physical Chem. xxviii. 931 The surface defect formed by a screw dislocation is a ledge, possibly with some kinks, where growth can occur. 2013 Proc. National Acad. Sci. U.S.A. 110 11761/2 Following coalescence, cubic ice is produced in growth spirals created by screw dislocations above substrate steps. < as lemmas |
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