The mechanical properties of perfect crystals II. The stability and mode of fracture of highly stressed ideal crystals

Author:

Abstract

The Born stability criteria are applied to variously elastically deformed perfect crystals of argon, represented by a Lennard-Jones potential, and sodium chloride, represented by a Born-Mayer potential. It is shown that when highly strained in tension argon and sodium chloride crystals become unstable before the maximum in the ideal stress-strain curve is reached. The consequent reductions in our previous estimates of the ideal tensile strength (part I) are small (< 10 %) except for unconstrained tension of argon (20 %).

Publisher

The Royal Society

Subject

Pharmacology (medical)

Reference20 articles.

1. Basinski Z. S. Duesbury M. S. & Taylor R. 1971 Proc. Int. Conf. Strength of Metals and Alloys Asilomar p. 118. Cleveland: A.S.M.

2. Born M. & Huang K. 1954 Dynamical theory of crystal lattices. Oxford University Press.

3. Stacking-Fault Energy and Many-Body Force Effects in Solid Argon

4. Class W. H. 1964 Ph.D. Thesis Columbia University New York.

5. A nn;Considere A.;Ponts et Chaussees,1885

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