Influence parameters of martensitic transformation during low cycle fatigue for steel AISI 321

2004 ◽  
Vol 350 (1-3) ◽  
pp. 102-106 ◽  
Author(s):  
M Grosse ◽  
D Kalkhof ◽  
L Keller ◽  
N Schell
Keyword(s):  
Martensitic Transformation ◽  
Low Cycle Fatigue ◽  
Cycle Fatigue ◽  
Steel Aisi ◽  
Aisi 321

scholarly journals Low-Cycle Fatigue and Fracture Behavior of Aluminized Stainless Steel AISI 321 for Solar Thermal Power Generation Systems

Metals ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 1089
Author(s):  
Wei Li ◽  
Lei Yang ◽  
Cong Li ◽  
Huitao Chen ◽  
Lu Zuo ◽  
...  
Keyword(s):  
Fracture Behavior ◽  
Low Cycle Fatigue ◽  
Fatigue Cracks ◽  
Thermal Power ◽  
Fatigue Property ◽  
Cycle Fatigue ◽  
Al2o3 Layer ◽  
Aluminized Steel ◽  
Steel Aisi ◽  
Aisi 321

The microstructure, low-cycle fatigue property, and fracture behavior of as-received and aluminized steel were investigated at room temperature, respectively. The results reveal that the aluminized layer is mainly composed of three layers: (I) the external Al2O3 layer, (II) the transition Fe-Al mesophase layer, and (III) the diffusion layer with AlFe and AlCrFe phase. The microhardness of as-received steel lower than that of aluminized steel until the distance from aluminized layer is greater than 150 μm. Compared to the original steel, the aluminized steel exhibits lower stress amplitude and fatigue life, which is correlated to the surface integrity. According to the Coffin-Manson relationship, the fatigue-ductility coefficients for as-received and aluminized steel is 4.347 and 3.528, respectively. Fractographic analysis reveals that the fatigue cracks tend to nucleate at the coating and propagate through the grain boundaries apace.

Microstructure and martensitic transformation in 316L austenitic steel during multiaxial low cycle fatigue at room temperature

2019 ◽  
Vol 767 ◽  
pp. 138407 ◽  
Author(s):  
Veronika Mazánová ◽  
Milan Heczko ◽  
Viktor Škorík ◽  
Alice Chlupová ◽  
Jaroslav Polák ◽  
...  
Keyword(s):  
Martensitic Transformation ◽  
Austenitic Steel ◽  
Room Temperature ◽  
Low Cycle Fatigue ◽  
Cycle Fatigue

scholarly journals LOW-CYCLE FATIGUE OF STEEL AISI 316 AFTER ECAP

2021 ◽  
Author(s):  
Ladislav KANDER ◽  
Miroslav GREGER
Keyword(s):  
Low Cycle Fatigue ◽  
Cycle Fatigue ◽  
Steel Aisi ◽  
Aisi 316

Low-cycle fatigue-induced martensitic transformation in SAF 2205 duplex stainless steel

2005 ◽  
Vol 398 (1-2) ◽  
pp. 349-359 ◽  
Author(s):  
P.K. Chiu ◽  
K.L. Weng ◽  
S.H. Wang ◽  
J.R. Yang ◽  
Y.S. Huang ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Martensitic Transformation ◽  
Duplex Stainless Steel ◽  
Low Cycle Fatigue ◽  
Cycle Fatigue ◽  
2205 Duplex Stainless Steel ◽  
Saf 2205

scholarly journals Study of Martensitic Transformation in 304L Austenitic Stainless Steel after Tensile and Low Cycle Fatigue Tests

2019 ◽  
Vol 9 (1) ◽  
pp. 22 ◽  
Author(s):  
Gláucio Soares da Fonseca ◽  
Silvana Carreiro de Oliveira ◽  
Jéssica Gadêlha Chaves ◽  
Pedro Pena Leite ◽  
Fabiane Roberta Freitas Da Silva ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Martensitic Transformation ◽  
Volume Fraction ◽  
Electron Backscatter Diffraction ◽  
Low Cycle Fatigue ◽  
Trip Effect ◽  
Cycle Fatigue ◽  
High Concentration ◽  
Stress Concentrators ◽  
304L Steel

There are many studies on austenitic stainless steels with transformation induced plasticity (TRIP). Basically, in these steels, there is a significant increase in strength and toughness with the transformation of austenite to martensite. 304L steel finds extensive application in industry. Studies relating to martensitic transformation with plastic deformation are quite common. Many studies involve monotonic loading relating to the martensite formed. In practice, 304L steels are subject to distinct types of loading and possibly with stress concentrators. Thus, also in smaller quantities, it is possible to find in the literature studies involving cyclic loading with the TRIP effect. To contribute to the literature on the analysis of the TRIP effect on these steels, 304L steel samples with stress concentrators underwent interrupted monotonic tensile tests. Optical microscopy (OM) and x-ray diffraction (XRD) technique characterized the martensitic transformation. Other 304L steel samples with a stress concentrator underwent a low cycle fatigue test. The martensitic transformation, in this case, was possible to follow with the electron backscatter diffraction technique (EBSD). The samples after the interrupted monotonic tests show a high martensite volume fraction formed 1mm away from the notch (30% to 50%), due to the plastic deformation suffered. From 5.5mm of the notch, the samples again display a microstructure like that of the as-received (AR) sample. For the low cycle fatigue tested sample, the high concentration of deformation-induced martensite was within 15mm of the discontinuity. Approximately 0.5mm from the circular discontinuity, the sample again has a microstructure like the initial sample (IS).

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