Accession Number:

AD1018262

Title:

Evaluation and Correlation of Dynamic Flow, Failure, and Microstructural Properties of Heat-Treated 4130 Steel

Descriptive Note:

Technical Report,01 Dec 2012,15 Sep 2016

Corporate Author:

AFIT WPAFB United States

Personal Author(s):

Report Date:

2016-09-15

Pagination or Media Count:

217.0

Abstract:

An experimental program has been carried out in conjunction with the University of Dayton Research Institute tocharacterize the material constants of the Johnson-Cook constitutive and damage models, and additionally, themicrostructure of the failed specimen has been investigated to observe any association of deformation micromechanics tothe phenomenological development of the Johnson-Cook expression. An Analysis of Variance ANOVA statisticalanalysis was carried out to identify whether temperature or strain rate were signicant factors in causing changes tomicromechanical features, and if so, whether the micromechanical properties were related to the Johnson-Cookparameters.

Subject Categories:

  • Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE