Biaxial creep-fatigue behavior of materials for solar thermal systems
Biaxial creep-fatigue data for Incoloy 800 and Type 316H stainless steel at elevated temperatures are presented. Tubular specimens were subjected to constant internal pressure and strain-controlled axial cycling with and without hold times in tension as well as in compression. The results show that the internal pressure affects diametral ratchetting and axial stress range significantly. However, the effect of a relatively small and steady hoop stress on the cyclic life of the materials is minimal. A 1-min compressive hold per cycle does not seriously reduce the fatigue life of either material; a tensile hold of equal duration causes a significant reduction in life for Type 316H stainless steel, but none for Incoloy 800. Fracture surfaces of specimens made of both materials were studied by scanning electron microscopy to determine the reason for the difference in behavior.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5386334
- Report Number(s):
- ANL-80-34
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140700* -- Solar Thermal Power Systems
36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
CREEP
CRYSTAL STRUCTURE
DATA
DATA FORMS
ELECTRON MICROSCOPY
EXPERIMENTAL DATA
FAILURES
FATIGUE
FRACTURES
GRAPHS
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HIGH PRESSURE
HIGH TEMPERATURE
INCOLOY 800
INCOLOY ALLOYS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
MICROSCOPY
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NUMERICAL DATA
POWER PLANTS
SCANNING ELECTRON MICROSCOPY
SERVICE LIFE
SHUTDOWNS
SOLAR POWER PLANTS
SOLAR THERMAL POWER PLANTS
STAINLESS STEEL-316
STAINLESS STEELS
START-UP
STEELS
STRESSES
TESTING
THERMAL CYCLING
TRANSIENTS
TUBES
140700* -- Solar Thermal Power Systems
36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
CREEP
CRYSTAL STRUCTURE
DATA
DATA FORMS
ELECTRON MICROSCOPY
EXPERIMENTAL DATA
FAILURES
FATIGUE
FRACTURES
GRAPHS
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HIGH PRESSURE
HIGH TEMPERATURE
INCOLOY 800
INCOLOY ALLOYS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
MICROSCOPY
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NUMERICAL DATA
POWER PLANTS
SCANNING ELECTRON MICROSCOPY
SERVICE LIFE
SHUTDOWNS
SOLAR POWER PLANTS
SOLAR THERMAL POWER PLANTS
STAINLESS STEEL-316
STAINLESS STEELS
START-UP
STEELS
STRESSES
TESTING
THERMAL CYCLING
TRANSIENTS
TUBES