The effect of deformation rate on JBK-75 stainless steel forgings
Technical Report
·
OSTI ID:5818851
A parametric study was conducted to evaluate the effect of forging rate and forging temperature on the strength and microstructure of a precipitation-hardened, austenitic stainless steel forging. High and low forging rates were achieved using a high energy rate forging (HERF) process and a low velocity mechanical press (MP) respectively. The forging geometry required a two-stage forging sequence. The first stage or preform was identical for both forging processes. The final stage used similar die geometries with minor modifications to accommodate the attachment to the respective hammers. The resulting microstructure and mechanical properties were significantly different. These differences are attributed to the effects of strain rate and temperature. 10 figs., 1 tab.
- Research Organization:
- Sandia National Labs., Livermore, CA (USA)
- DOE Contract Number:
- AC04-76DR00789
- OSTI ID:
- 5818851
- Report Number(s):
- SAND-87-8242; ON: DE88001696
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
CHROMIUM ALLOYS
CORROSION RESISTANT ALLOYS
CRYSTAL STRUCTURE
DEFORMATION
FABRICATION
FORGING
HARDENING
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS WORKING
MECHANICAL PROPERTIES
MICROSTRUCTURE
NICKEL ALLOYS
NUCLEAR WEAPONS
PRECIPITATION HARDENING
STAINLESS STEEL-JBK-75
STAINLESS STEELS
STEELS
STRAINS
TEMPERATURE DEPENDENCE
TENSILE PROPERTIES
TITANIUM ALLOYS
WEAPONS
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
CHROMIUM ALLOYS
CORROSION RESISTANT ALLOYS
CRYSTAL STRUCTURE
DEFORMATION
FABRICATION
FORGING
HARDENING
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS WORKING
MECHANICAL PROPERTIES
MICROSTRUCTURE
NICKEL ALLOYS
NUCLEAR WEAPONS
PRECIPITATION HARDENING
STAINLESS STEEL-JBK-75
STAINLESS STEELS
STEELS
STRAINS
TEMPERATURE DEPENDENCE
TENSILE PROPERTIES
TITANIUM ALLOYS
WEAPONS