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Etch Pits at Dislocations in Silver Single Crystals
1.J. J. Gilman, Trans. AIME 206, 998 (1956).
2.W. R. Hibbard and C. G. Dunn, Acta Met. 4, 306 (1956).
3.F. W. Young, J. Appl. Phys. 29, 760 (1958).
4.L. C. Lovell and J. H. Wernick, J. Appl. Phys. 30, 590 (1959).
5.The accepted terminology6 refers to a “clean” dislocation as one which has been produced through some plastic deformation under conditions (usually at room temperature with no subsequent heat treatment) such that no appreciable diffusion of impurities to the dislocation (thus “decorating” it) occurs during the time of interest. An “aged” dislocation on the other hand is one to which impurities have diffused either during crystal growth or during a heat treatment subsequent to a plastic deformation.
6.J. J. Gilman and W. G. Johnston, Dislocations and Mechanical Properties of Crystals, edited by J. C. Fisher, W. G. Johnston, R. Thomson, and T. Vreeland, Jr. (John Wiley & Sons, Inc., New York, 1957), p. 116.
7.F. W. Young, J. Appl. Phys. 32, 192 (1960).
8.J. D. Livingston, J. Appl. Phys. 31, 1071 (1960).
9.J. D. Livingston, Acta Met. 10, 229, (1962).
10.W. G. Johnston, “Dislocation Etch Pits in Non‐Metallic Crystals,” General Electric Research Lab Report. GE 61‐RL‐2649MP32, April 1961.
11.J. B. Newkirk, Trans. AIME 215, 483 (1959).
12.T. Ejima, J. P. Hirth, and W. H. Robinson (to be published).
13.W. H. Robinson and H. J. Levinstein, AIME Symposium, Direct Observation of Imperfection in Crystals (Interscience Publishers, Inc., New York, 1962).
14.The nonuniform lighting in the photomicrographs is due to not being able to achieve the proper oblique illumination with the metallograph used.
15.W. T. Read, Dislocations in Crystals (McGraw‐Hill Book Company, Inc., New York, 1953), p. 182.
16.J. E. Bailey and P. B. Hirsch, Phil. Mag. 5, 485 (1960).
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