Accession Number:

ADA048266

Title:

Impact Damage in Brittle Materials in the Plastic Response Regime.

Descriptive Note:

Technical rept. 1 Jan-30 Sep 77,

Corporate Author:

ROCKWELL INTERNATIONAL THOUSAND OAKS CALIF SCIENCE CENTER

Report Date:

1977-09-30

Pagination or Media Count:

41.0

Abstract:

The impact damage created in the plastic response regime has been characterized in terms of the surface extension and the penetration of the fractures. A numerical dynamic analysis has been performed of a typical impact within this regime to indicate some of the principal characteristics of the contact behavior and the stress field. The damage has then been analyzed - using simplified postulates based on key features of the impact dynamics and the quasi-static indentation fracture - which has enabled the primary material and target parameters affecting the impact fracture to be identified. Thereafter, some implications for strength degradation and erosion have been discussed. Author

Subject Categories:

  • Electrical and Electronic Equipment
  • Ammunition and Explosives
  • Ballistics
  • Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE