CRITICAL STRAIN ENERGY DENSITY AS A FRACTURE MECHANICS CRITERION

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 6452
Amount: $53,002.00
Phase: Phase I
Program: SBIR
Awards Year: 1987
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Po Box 1354 - 1055 Wall St/ste, La Jolla, CA, 92038
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 DR K J CHEVERTON
 (619) 454-1133
Business Contact
Phone: () -
Research Institution
N/A
Abstract
SPARTA, INC. PROPOSES A PROGRAM TO EVALUATE THE CRITICAL STRAIN ENERGY DENSITY (CSED) AS A FRACTURE CRITERION. THE OBJECTIVES OF THE PHASE I PROGRAM ARE TO PERFORM A PRELIMINARY TEST AND ANALYSIS PROGRAM TO DETERMINE IF A COMPREHENSIVE TEST PROGRAM TO INVESTIGATE CSED HAS MERIT AND THEN, ASSUMING CSED SHOWS PROMISE, DESIGN A COMPREHENSIVE PHASE II PROGRAM. THE PHASE I APPROACH WILL INCLUDE 1) PURCHASE AND UNIAXIAL TEST OF REPRESENTATIVE STEELS PLATES, 2) ANALYTICAL SIMULATIONS OF FRACTURE TESTS INCLUDIG THE EFFECTS OF LARGE STRAINS AND GROSS YIELDING, 3) CHARPY IMPACT AND J(IC) TESTING OF THE SELECTED STEELS, 4) CORRELATION OF THE UNIAXIAL TEST RESULTS WITH RESULTS FROM CHARPY IMPACT AND J(IC), AND 5) PLANNING OF PHASE II TEST PROGRAM.

* Information listed above is at the time of submission. *

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