Total elongation at fracture at ultra-high strain rates

A new method of measuring total elongation at fracture at ultra-high strain rate by laser-induced shock waves is presented. In the study of spall strength and spall development, a novel method, which allows measurement of the total elongation at fracture for strain rates as high as 10 exp 7 s exp --...

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Bibliographic Details
Published in:Journal of materials science letters 1988-09, Vol.7 (9), p.915-917
Main Authors: GILATH, I, ELIEZER, S, DARIEL, M. P, KORNBLIT, L
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fatigue, brittleness, fracture, and cracks
Fractures
Materials science
Mechanical and acoustical properties of condensed matter
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Mechanical properties of solids
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Specific materials
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Summary:A new method of measuring total elongation at fracture at ultra-high strain rate by laser-induced shock waves is presented. In the study of spall strength and spall development, a novel method, which allows measurement of the total elongation at fracture for strain rates as high as 10 exp 7 s exp --1 , is developed. For pure Fe, the total elongation at fracture was found to be 7.8% at a strain rate of 10 exp 7 s exp --1 , as compared to an elongation of 18.5% in quasistatic conditions. 8 ref.--A.R.
ISSN:0261-8028
1573-4811
DOI:10.1007/BF00720728