Constitutive modelling for isothermal low-cycle fatigue and fatigue-creep of a martensitic steel

2021 ◽  
Vol 162 ◽  
pp. 104032
Author(s):  
Michal Bartošák
Keyword(s):  
Martensitic Steel ◽  
Low Cycle Fatigue ◽  
Constitutive Modelling ◽  
Cycle Fatigue

Effect of Specimen Shape on the Low Cycle Fatigue Life of Reduced Activation Ferritic/Martensitic Steel

2010 ◽  
Vol 47 (1) ◽  
pp. 47-52 ◽  
Author(s):  
Shuhei NOGAMI ◽  
Yuki SATO ◽  
Atsushi TANAKA ◽  
Akira HASEGAWA ◽  
Arata NISHIMURA ◽  
...  
Keyword(s):  
Fatigue Life ◽  
Martensitic Steel ◽  
Low Cycle Fatigue ◽  
Cycle Fatigue ◽  
Specimen Shape

SEM Study of the Influence of Microstructure on Low Cycle Fatigue Crack Growth in Martensitic Steel I

2018 ◽  
Vol 774 ◽  
pp. 96-100 ◽  
Author(s):  
Tamaz Eterashvili ◽  
Temur Dzigrashvili ◽  
M. Vardosanidze
Keyword(s):  
Room Temperature ◽  
Martensitic Steel ◽  
Low Cycle Fatigue ◽  
Fatigue Cracks ◽  
Cycle Fatigue ◽  
Slip Bands ◽  
Sem Study ◽  
Austenite Grains ◽  
Plastic Zones ◽  
The Impact

Distribution of fatigue cracks in chromium martensitic steel after low cycle fatigue (LCF) tests at room temperature has been studied using SEM, and the experimental evidences of localized plastic flow (LPF) are presented. The influence of the location of LPF and the microstructure elements on the trajectory and growth of microcracks is also considered. The dimensions of plastic zones ahead of macrocrack tip as well as at its edges were measured in the process of crack propagation inside of the sample. The processes occurring in plastic zone, particularly ahead of macrocrack tip, were analyzed. Distribution, orientation and the reasons of slip bands’ formation as well as the microstructure elements at which they were nucleated have been studied. The impact of the slip bands’ orientation on the process of macrocrack growth was also analyzed. In addition the interactions of a crack with the boundaries of former austenite grains, martensitic packets, martensitic laths, slip bands and precipitates have been discussed.

Low cycle fatigue properties and microstructure of P92 ferritic-martensitic steel at room temperature and 873 K

2019 ◽  
Vol 157 ◽  
pp. 109923 ◽  
Author(s):  
Zhen Zhang ◽  
Zhengfei Hu ◽  
Siegfried Schmauder ◽  
Baosen Zhang ◽  
Zhangzhong Wang
Keyword(s):  
Room Temperature ◽  
Martensitic Steel ◽  
Low Cycle Fatigue ◽  
Fatigue Properties ◽  
Cycle Fatigue
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