Variation of the yield strength and strain-rate sensitivity exponent of type 21-6-9 stainless steel over a wide temperature range
The yield strength of solution-annealed 21-6-9 austenitic stainless steel was determined over a wider temperature range (-195 to 1100/sup 0/C) than has been previously reported. The most noteworthy characteristic of the variation of yield stress with temperature was the dramatic decrease in yield strength from -195/sup 0/C to 300/sup 0/C. The strain-rate sensitivity exponent, N, was determined using strain-rate change tests. A plot of N vs temperature showed that n dramatically increased at about 850/sup 0/C and that N is approximately independent of strain (structure). 3 figures.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6660978
- Report Number(s):
- UCID-19597; ON: DE83003310
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
ALLOYS
CHROMIUM ALLOYS
CORROSION RESISTANT ALLOYS
DATA
EXPERIMENTAL DATA
HIGH TEMPERATURE
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
LOW TEMPERATURE
MANGANESE ALLOYS
MECHANICAL PROPERTIES
MEDIUM TEMPERATURE
NICKEL ALLOYS
NUMERICAL DATA
STAINLESS STEEL-21-6-9
STAINLESS STEELS
STEELS
STRAIN RATE
TEMPERATURE DEPENDENCE
VERY HIGH TEMPERATURE
YIELD STRENGTH
360103* -- Metals & Alloys-- Mechanical Properties
ALLOYS
CHROMIUM ALLOYS
CORROSION RESISTANT ALLOYS
DATA
EXPERIMENTAL DATA
HIGH TEMPERATURE
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
LOW TEMPERATURE
MANGANESE ALLOYS
MECHANICAL PROPERTIES
MEDIUM TEMPERATURE
NICKEL ALLOYS
NUMERICAL DATA
STAINLESS STEEL-21-6-9
STAINLESS STEELS
STEELS
STRAIN RATE
TEMPERATURE DEPENDENCE
VERY HIGH TEMPERATURE
YIELD STRENGTH