Comparative evaluation of strain controlled low cycle fatigue behaviour of solution annealed and prior cold worked 316L(N) stainless steel

Srinivasan, V.S.

doi:10.1016/j.ijfatigue.2004.05.003

Cited by 38 publications

(12 citation statements)

References 16 publications

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“…After that they decreased slowly for most lifetime until a sharply decline before fracture. The result is in good agreement with those pioneering reported . One can see from Fig.…”

Section: Resultssupporting

confidence: 93%

Effect of sigma phase on the low cycle fatigue property of Z3CN20.09M cast duplex stainless steel in high temperature water

Yang

Wang

2014

Materials & Corrosion

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The effect of sigma phase on the low cycle fatigue (LCF) property of Z3CN20.09M cast duplex stainless steel (DSS) was investigated by corrosion fatigue cracking test system and scanning electron microscopy (SEM). The results showed that the fatigue lives of the aged Z3CN20.09M DSS specimens decreased with the increase of aging time. The Cr‐depleted zones around the sigma phase are sensitive to pitting and preferential to forming fatigue cracks. Moreover, the precipitation of sigma phase was also found to degrade markedly the fatigue property of the DSS as it leads to fracture of ferrite during fatigue tests.

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“…After that they decreased slowly for most lifetime until a sharply decline before fracture. The result is in good agreement with those pioneering reported . One can see from Fig.…”

Section: Resultssupporting

confidence: 93%

Effect of sigma phase on the low cycle fatigue property of Z3CN20.09M cast duplex stainless steel in high temperature water

Yang

Wang

2014

Materials & Corrosion

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“…Similar initial hardening behavior has also been reported before for other materials, see for example Refs. [31][32][33][34][35]. Various distinct dislocation structures such as pile-ups, planar slip bands, dislocation loops and entanglements including cell structures were observed upon cycling (see Fig.…”

Section: Microstructural Evolution and Mechanical Responsementioning

confidence: 99%

High-temperature low cycle fatigue behavior of an equiatomic CoCrFeMnNi high-entropy alloy

Chauhan

Litvinov

et al. 2020

Materials Science and Engineering: A

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In the present work, low cycle fatigue (LCF) behavior of an equiatomic CoCrFeMnNi high entropy alloy (HEA) is correlated to the microstructural evolution at 550 °C. The fully reversed strain-controlled fatigue tests were conducted in air under strain amplitudes ranging from 0.2 to 0.8%. The measured cyclic stress response showed three distinct stages which include initial cyclic hardening followed by a quasi-stable cyclic response until failure. The rate and amount of cyclic hardening increased with the increase in strain amplitude. In comparison to common austenitic stainless steels, CoCrFeMnNi HEA shows comparable strength and improved LCF lifetimes at similar testing conditions. Electron-microscopy investigations after failure reveal no noticeable change in grain size, texture and annealing twins density. Initial cyclic hardening is attributed to dislocation multiplication and dislocation-dislocation as well as dislocationsolute atom interaction. The quasi-stable cyclic response is associated with the equilibrium between dislocation multiplication and annihilation, which also leads to the formation of heterogeneous dislocation structures such as ill-defined walls and cells, particularly at higher strain amplitudes. Besides this, the material exhibits serrated plastic-flow due to interactions between mobile dislocations and diffusing solute 2 atoms (such as Cr, Mn and Ni). Lastly, segregation in the form of Cr-and NiMn-enriched phases were observed near grain boundaries, which appears to have a detrimental effect on the fatigue life.

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“…Srinivasan, etal [6] studied effect of cold working on LCF of 316L(N) stainless steel.The cyclic stress response of 316LN stainless steel in the PCW condition was characterized by a short period of hardening followed by prolonged period of softening prior to failure whereas Solution Annealed material exhibited a significant hardening regime and it was followed by stress saturation. The fatigue life in the SA condition was similar to that of the PCW material at higher strain amplitudes of testing (≥±0.5%) while at lower strain amplitudes, the PCW material exhibited longer life.…”

Section: Resultsmentioning

confidence: 99%

Effects of prior cold working on low cycle fatigue behavior of stainless steels, titanium alloy timetal 834 and superalloy IN 718: A review

Singh

2010

Trans Indian Inst Met

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This paper gives a brief review of the efforts made to study the effects of cold rolling on low cycle fatigue (LCF) behavior of stainless steels,titanium alloy Timetal 834 and Ni-Fe based Super alloy IN 718 at different temperatures and different strain amplitudes. Low Cycle Fatigue tests on cold worked 316L stainless steel at various temperatures from room temperature to 923K have been reported. In all tests the effect of 20% prior cold work(PCW) on LCF behavior of type 316L (N) stainless steel had been studied at 873K under total axial strain controlled mode in air at strain amplitudes from ±0.25% to ±1.0%. Fatigue life in the solution annealed condition was similar to that of the PCW material at higher strain amplitudes (t0.5%) while at lower strain amplitudes the PCW material exhibited longer life. The influence of PCW on LCF behavior of type 304 and AISI 304LN stainless steel was studied at various temperatures and it was observed that the fatigue life was strongly dependent on prior cold work, temperature, and strain amplitude employed. Cold rolling of the titanium alloy Timetal 834 and age hardenable Ni-Fe-based superalloy IN 718 has been found to cause marked enhancement in LCF life at low strain amplitude and eliminate the bilinearity from the Coffin-Manson(C-M) relationship. Work carried on this aspect,however is very limited particularly in the case of Titanium alloys and Ni-Fe based Superalloy IN 718

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Comparative evaluation of strain controlled low cycle fatigue behaviour of solution annealed and prior cold worked 316L(N) stainless steel

Cited by 38 publications

References 16 publications

Effect of sigma phase on the low cycle fatigue property of Z3CN20.09M cast duplex stainless steel in high temperature water

Effect of sigma phase on the low cycle fatigue property of Z3CN20.09M cast duplex stainless steel in high temperature water

High-temperature low cycle fatigue behavior of an equiatomic CoCrFeMnNi high-entropy alloy

Effects of prior cold working on low cycle fatigue behavior of stainless steels, titanium alloy timetal 834 and superalloy IN 718: A review

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