Deformation behavior of 93W-5Ni-2Fe at different rates of compression loading and temperatures. Final report for 1994--1998
Technical Report
·
OSTI ID:676179
Low (0.0001 to 0.1 per s) and high (9,000 per s average) strain-rate uniaxial compression experiments were performed on a tungsten heavy alloy (WHA) at room temperature; high-rate experiments were conducted using the Compression Split-Hopkinson Bar apparatus. In addition, high-temperature tests at 423, 573, and 732 K were conducted at 0.1 per s strain-rate. The deformation and failure behaviors of this alloy under compression loading were examined in this report in comparison to the previous torsional work on the same alloy. The deformation behaviors of WHA were modeled using modified Johnson-Cook (JC) and Power-Law (PL) models. A functional form based on microphysics was proposed to represent the temperature part of these models. The model constants were determined from test data at both room and other temperatures. The constants for WHA alloy for these two models are summarized in this report.
- Research Organization:
- Army Research Lab., Aberdeen Proving Ground, MD (United States)
- OSTI ID:
- 676179
- Report Number(s):
- AD-A--353930/XAB; ARL-TR--1719
- Country of Publication:
- United States
- Language:
- English
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