Journal ArticleDOI
Low cycle fatigue and ratcheting behavior of 35CrMo structural steel at elevated temperature
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In this paper, the effects of stress rates on low cycle fatigue and ratcheting deformation of 35CrMo steel under uniaxial stress-controlled loading were investigated at 500°C.About:
This article is published in Nuclear Engineering and Design.The article was published on 2017-04-01. It has received 39 citations till now. The article focuses on the topics: Stress (mechanics) & Creep.read more
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Creep-ratcheting behavior of PTFE gaskets under various temperatures
TL;DR: In this article, the effects of peak holding times and temperatures on creep-ratcheting behaviors were further discussed, and it was shown that at room temperature, peak holding 1min is nearly 1.06 times that for peak holding time 0.5min and 1.3 times that without peak holding.
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Compressive ratcheting effect of expanded PTFE considering multiple load paths
TL;DR: In this article, the effects of temperature, stress rate and mean stress on the ratcheting behaviors of expanded PTFE (ePTFE) considering multiple load paths were discussed in detail.
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The relationship between activation–passivation transition and grain boundary dissolution on four steel samples in acidic solutions containing NO2−
TL;DR: In this article, the relationship between the activation-passivation transition and the grain boundary dissolution (GBD) was studied by potentiodynamic polarization curve (PPC) measurements and scanning electron microscopy (SEM) observations.
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Ratcheting behavior of zirconium alloy tubes under combined cyclic axial load and internal pressure at 350 °C
TL;DR: In this paper, a series of uniaxial and multi-xial ratcheting tests were conducted on zirconium alloy tubes at 350°C, and the experimental results showed that the temperature significantly affects the properties of zirconsium alloy, and its ductility at 350 °C is poorer than that at room temperature.
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Ratcheting effect of reinforced graphite sheet with stainless steel insert (RGSWSSI) under cyclic compression at elevated temperature
TL;DR: In this article, the effects of insert type, temperature, stress amplitude, stress rate, creep and loading sequence are considered for ratcheting and creep of RGSWSSI under cyclic stress-controlled compression by a self-designed clamp.
References
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Journal ArticleDOI
Experimental study on uniaxial and nonproportionally multiaxial ratcheting of SS304 stainless steel at room and high temperatures
TL;DR: In this article, the effects of cyclic strain amplitude, mean strain, temperature and their histories on the cyclic deformation behavior of the material were investigated under the uniaxial strain-controlled cyclic loading.
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Uniaxial ratcheting and failure behaviors of two steels
TL;DR: In this paper, the effects of stress amplitude and mean stress on the ratcheting and failure behaviors of 25CDV4.11 steel and SS304 stainless steel were experimentally studied under uniaxial cyclic tests and at room temperature.
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Unified viscoplasticity modeling for isothermal low-cycle fatigue and fatigue-creep stress–strain responses of Haynes 230
TL;DR: In this article, a robust cyclic viscoplasticity model is developed for simulating a broad set of isothermal, low-cycle fatigue and fatigue-creep responses of Haynes 230 (HA 230) under uniaxial loading.
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Uniaxial mean stress relaxation of 9–12% Cr steel at high temperature: Experiments and viscoplastic constitutive modeling
TL;DR: In this article, a cyclic viscoplastic constitutive is proposed through the combination of a new nonlinear kinematic hardening rule and the Abdel-Karim-Ohno model.
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Uniaxial ratcheting behavior of polytetrafluoroethylene at elevated temperature
Zhe Zhang,Xu Chen,Yanping Wang +2 more
TL;DR: In this paper, a series of uniaxial ratcheting experiments has been carried out on cold compaction polytetrafluoroethylene (PTFE) specimens.