Crack growth and CREEP-fatigue interaction behavior of 2 1/4 Cr--1 Mo steel
Conference
·
OSTI ID:4140148
Cyclic strain-controlled fatigue tests and cyclic tension-tension crack growth tests employing precracked specimens are being conducted at RT to 593$sup 0$C in various environments including air, steam, vacuum, and impure He. Fatigue and creep-fatigue data at 482 and 538$sup 0$C, effects of temperature, waveform, and hold time or strain rate of fatigue life; comparisons with linear damage rule; subcritical crack growth tests; effects of variation of min to max load ratio; and effects of environment (air, steam, He) on crack growth are given. 15 figures. (DLC)
- Research Organization:
- Oak Ridge National Lab., Tenn. (USA)
- NSA Number:
- NSA-33-012601
- OSTI ID:
- 4140148
- Report Number(s):
- CONF-751144--1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
*CHROMIUM-MOLYBDENUM STEELS-- MECHANICAL PROPERTIES
360103* --Materials--Metals & Alloys--Mechanical Properties
AIR
CRACKS
CREEP
FAILURES
FATIGUE
FREQUENCY DEPENDENCE
HELIUM
HIGH TEMPERATURE
N50230* --Metals
Ceramics
& Other Materials--Metals & Alloys--Properties
Structure & Phase Studies
STEAM
TEMPERATURE DEPENDENCE
360103* --Materials--Metals & Alloys--Mechanical Properties
AIR
CRACKS
CREEP
FAILURES
FATIGUE
FREQUENCY DEPENDENCE
HELIUM
HIGH TEMPERATURE
N50230* --Metals
Ceramics
& Other Materials--Metals & Alloys--Properties
Structure & Phase Studies
STEAM
TEMPERATURE DEPENDENCE