Journal ArticleDOI
An experimental study on the ratcheting and fatigue behavior of polyacetal under uniaxial cyclic loading
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In this paper, an experimental study on the behavior of polyacetal or polyoxymethylene (POM) under uniaxial cyclic loading was performed in the stress-controlled mode.About:
This article is published in Materials & Design.The article was published on 2012-02-01. It has received 56 citations till now. The article focuses on the topics: Strain energy density function & Strain rate.read more
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Effects of mean stress and stress concentration on fatigue behavior of short fiber reinforced polymer composites
TL;DR: In this paper, the effect of mean stress on fatigue behavior of two short glass fiber reinforced thermoplastic composites and their effect of stress concentration on fatigue behaviour was evaluated using load-controlled fatigue tests on unnotched (smooth) specimens at R ratios of −1, 0.1, and 0.3 in different mold flow directions or fiber orientations.
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Cyclic deformation and fatigue behavior of polyether ether ketone (PEEK)
TL;DR: In this paper, the fatigue behavior of a semi-crystalline thermoplastic polyether ether ketone (PEEK) was investigated and the frequency influence on the strain-controlled fatigue lives of unfilled PEEK specimens was found to be highly dependent on strain level.
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Life prediction for rate-dependent low-cycle fatigue of PA6 polymer considering ratchetting: Semi-empirical model and neural network based approach
TL;DR: The results show that the established Neural network based approach achieves a better prediction to the fatigue life of PA6 with the occurrence of ratchetting than that by the proposed semi-empirical model, which demonstrates a possibility to apply the neural network based machine learning method to deal with the fatigue of polymer.
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Uniaxial ratcheting behavior of sintered nanosilver joint for electronic packaging
TL;DR: In this paper, the effects of stress amplitude, mean stress, stress rate, and stress ratio on the uniaxial ratcheting behavior of sintered nanosilver joint were investigated at room temperature.
Journal ArticleDOI
Fatigue behavior and modeling of thermoplastics including temperature and mean stress effects
Stephen R. Mellott,Ali Fatemi +1 more
TL;DR: In this paper, the Walker mean stress model and a simple model with a mean stress sensitivity factor proved to be the most effective models to correlate the wide range of experimental data generated.
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Ratchetting: Recent progresses in phenomenon observation, constitutive modeling and application
TL;DR: In this paper, the recent progresses in phenomenon observation and constitutive modeling for the ratchetting behavior of metals, polymers and composites are reviewed first, and some suggestions for further studies are proposed as a conclusion of the review.
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Extremely low cycle fatigue tests on structural carbon steel and stainless steel
TL;DR: In this article, the authors performed cyclic axial and bending tests on structural carbon steel, cold-formed carbon steel and stainless steel, with a total of 62 experiments, with strain amplitudes up to ±15%.
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On the Ohno–Wang kinematic hardening rules for multiaxial ratcheting modeling of medium carbon steel
Xu Chen,Rong Jiao,Kwang Soo Kim +2 more
TL;DR: In this paper, the authors evaluated the performance of four Ohno-Wang type constitutive models in predicting ratcheting responses of medium carbon steel S45C for a set of axial/torsional loading paths.
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Experimental study on ratchetting-fatigue interaction of SS304 stainless steel in uniaxial cyclic stressing
Guozheng Kang,Yujie Liu,Zhao Li +2 more
TL;DR: In this paper, the effects of mean stress, stress amplitude and stress ratio on the ratchetting strain and final failure life were discussed, and the variations of responded strain amplitude with the number of cycles were illustrated.
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A visco-plastic constitutive model for ratcheting of cyclically stable materials and its finite element implementation
TL;DR: In this paper, a visco-plastic constitutive model was proposed to simulate the uniaxial/multiaxual ratcheting of cyclically stable materials (such as U71Mn rail steel), and its finite element implementation was also achieved.