Skip to main content Accessibility help

Room Temperature Deformation in “Soft” Orientation Nial Single Crystals

  • R.D. Field (a1), D.F. Lahrman (a1) and R. Darolia (a1)


A detailed study of deformation of NiAl single crystals in two soft orientations, <110> and <111>, has been conducted. The Schmid factor favors {100} slip in the former and {110} slip in the latter. Detailed dislocation analysis, critical resolved shear stress measurements, and slip trace analysis have been performed to determine the nature of dislocation motion and interactions in this material. Particular attention is given to prismatic loops formed during deformation, since the shapes of these loops reveal the active slip planes. Similar loop morphologies observed in elevated temperature [001] oriented tensile specimens are also discussed.



Hide All
1. Ball, A. and Smallman, R.E., Acta metall. 14, 1349 (1966).
2. Ball, A. and Smallman, R.E., Acta metall. 14, 1517 (1966).
3. Wasilewski, R.J., Butler, S.R., and Hanlon, J.E., Trans. AIME 239, 1357 (1967).
4. Pascoe, R.T. and Newey, C.W.A., Met. Sci. J. 2, 138 (1968).
5. Pascoe, R.T. and Newey, C.W.A., Phys. Stat. Sol. 29, 357 (1968).
6. Potter, D.I., Mater. Sci. Eng. 5, 201 (1969).
7. Mendiratta, M.G. and Law, C.C., J. Mat. Sci. 22, 607 (1987).
8. Johnson, W.G. and Gilman, J.J., J. Appl. Phys. 31, 632 (1960).
9. Tetelman, A.S., Acta Met. 10, 813 (1962).
10. Fraser, H.L., Smallman, R.E., and Loretto, M.H., Phil. Mag. 28, 651 (1973).
11. Fraser, H.L., Smallman, R.E., and Loretto, M.H., Phil. Mag. 28, 667 (1973).
12. Loretto, M.H. and Wasilewski, R.J., Phil. Mag. 23, 1311 (1971).
13. Field, R.D., Lahrman, D.F., and Darolia, R., submitted for publication to Acta metall.
14. Lloyd, C.H. and Loretto, M.H., Phys. Stat. Sol. 39, 163 (1970).


Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed