A new approach to low cycle fatigue characteristics for pressure vessel steels

1983 ◽  
Vol 4 (4) ◽  
pp. 841-842
Author(s):  
Janos Ginsztler
Keyword(s):  
Pressure Vessel ◽  
Low Cycle Fatigue ◽  
Cycle Fatigue ◽  
New Approach ◽  
Pressure Vessel Steels ◽  
Fatigue Characteristics

Low cycle fatigue resistance of SA533 pressure vessel steels

2003 ◽  
Vol 19 (11) ◽  
pp. 1575-1584 ◽  
Author(s):  
J. Y. Huang ◽  
J. R. Hwang ◽  
R. C. Kuo ◽  
C. Y. Chen
Keyword(s):  
Fatigue Resistance ◽  
Pressure Vessel ◽  
Low Cycle Fatigue ◽  
Cycle Fatigue ◽  
Pressure Vessel Steels

Effect of Strain Rate on Low Cycle Fatigue Behavior of Thermally Aged A533B Pressure Vessel Steels in High Temperature Water

2003 ◽  
Author(s):  
Xinqiang Wu ◽  
Yasuyuki Katada
Keyword(s):  
Strain Rate ◽  
Pressure Vessel ◽  
Environmental Effect ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Aging Treatment ◽  
Cycle Fatigue ◽  
High Temperature Water ◽  
Pressure Vessel Steels ◽  
Temperature Water

Safe and reliable management of light water reactors demand a full understanding on their component materials properties throughout their service lives. In present work the effects of strain rate on low cycle fatigue behavior of ASTM A533B pressure vessel steels after long-term thermal aging at 673 K in air have been investigated in simulated BWR environments. It was found that the aging treatment led to a certain decrease in fatigue life. Environmental effect on the fatigue life of aged materials closely depended on strain rate. More strongly environmental effect appeared at low strain rate. The aging treatment enhanced the stain-rate dependence of the fatigue resistance of A533B steels. Comparison between ASME design fatigue curves and present results as well as some literatures’ data suggested that safety margins of the standard design curves tended to decrease with decrease in strain rate. Based on the above results, possible corrosion fatigue mechanisms of pressure vessel steels in high temperature water were discussed by taking into account the effects of inclusions, hydrogen embrittlement, dynamic strain aging and aging-induced material degradation as well as their combined actions.

Low Cycle Fatigue Behavior of VVER-440 Reactor Pressure Vessel Steels at Isothermal Condition

2015 ◽  
Vol 812 ◽  
pp. 47-52 ◽  
Author(s):  
Balazs Fekete ◽  
Peter Bereczki ◽  
Peter Trampus
Keyword(s):  
Fatigue Life ◽  
Plastic Strain ◽  
Pressure Vessel ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Isothermal Condition ◽  
Reactor Pressure Vessel ◽  
Cycle Fatigue ◽  
Pressure Vessel Steels ◽  
Reactor Pressure

The fatigue life of the structural materials 15H2MFA and 08H18N10T of VVER-440 reactor pressure vessel under completely reserved total strain controlled tests were investigated. The measurements were carried out with isothermal condition at 260°C on GLEEBLE 3800 servo-hydraulic thermal mechanical simulator. The isothermal low cycle fatigue results were evaluated with the plastic strain based Coffin-Manson law, and plastic strain energy based model as well. It was shown that both methods are able to predict the fatigue life of reactor pressure vessel steels accurately.

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