Results 1 to 10 of about 10,379 (248)
Ratcheting Behavior of Intervertebral Discs Under Cyclic Compression: Experiment and Prediction [PDF]
Orthopaedic Surgery, 2019 Objective To evaluate the ratcheting behavior of intervertebral discs (IVD) by experiments and theoretical study. Method The lumbar spines of sheep were obtained at a local slaughterhouse, and the IVD was processed with upper and lower vertebral bodies ...
Chun‐qiu Zhang +6 more
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Ratcheting behavior of Eurofer97 at 550 °C
Nuclear Materials and Energy, 2018 The components in reactor are usually exposed to cyclic loading caused by frequent startups, shutdown and load fluctuations which lead to ratcheting effect.
Kuo Zhang, Jarir Aktaa
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Ratcheting fatigue behaviour of advanced structural materials at their service temperatures [PDF]
Scientific ReportsRatcheting fatigue behavior is a critical phenomenon in structural materials undergoing cyclic loading, particularly when combined with nonzero mean stress or multiaxial stress states.
Prerna Mishra +9 more
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Journal of Materials Research and Technology, 2019 In the past three decades ratcheting fatigue has attracted lots of research interest. Ratcheting can be defined as the directional progressive accumulation of plastic deformation of a material when it is subjected to a primary load along with a secondary
Surajit Kumar Paul
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Compression Creep and Thermal Ratcheting Behavior of High Density Polyethylene (HDPE). [PDF]
Polymers (Basel), 2018 The characterization of thermal ratcheting behavior of high density polyethylene (HDPE) material coupled with compressive creep is presented. The research explores the adverse influence of thermal cycling on HDPE material properties under the effect of compressive load, number of thermal cycles, creep time period, and thermal ratcheting temperature ...
Kanthabhabha Jeya RP, Bouzid AH.
europepmc +4 more sources
Uniaxial ratcheting behavior of polytetrafluoroethylene at elevated temperature
Polymer Testing, 2010 Abstract A series of uniaxial ratcheting experiments has been carried out on cold compaction polytetrafluoroethylene (PTFE) specimens. All the tests were performed under stress control at elevated temperature. The effects of mean stress, stress amplitude, applied temperature and their histories on the ratcheting behavior of PTFE were studied.
Zhe Zhang, Xu Chen, Yanping Wang
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Ratcheting behavior of PTFE under cyclic compression
Polymer Testing, 2005 Abstract In this paper, loading rate dependence of stress–strain response and ratcheting behavior under compression for PTFE were studied. The effects of loading rate, mean stress and stress amplitude on the ratcheting behavior of PTFE are discussed.
Xu Chen
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Multiaxial ratcheting behavior of PTFE at room temperature
Polymer Testing, 2009 A series of multiaxial ratcheting experiments have been performed on polyteterafluoroethylene (PTFE) solid cylindrical specimens. All the tests were conducted under cyclic shear strain with a constant axial stress at room temperature. The effects of axial stress, shear strain range, shear strain rate and their histories on the ratcheting behavior of ...
Zhe Zhang, Xu Chen
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Current behavior of a quantum Hamiltonian ratchet in resonance [PDF]
Physical Review E, 2007 6 pages, 4 ...
Poletti, D., Carlo, G.G., Li, B.
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Non-Stationary Effect on the Behavior of an On-Off Ratchet [PDF]
Progress of Theoretical Physics, 2006 The behavior of an on-off ratchet driven by a non-stationary effect is examined numerically. We find that at the stationary/non-stationary transition, mean velocity of the on-off ratchet is independent of mean residence time, in contrast to the situation for a conventional on-off ratchet, whose mean velocity is quite sensitive to the mean residence ...
T. Matsumoto, Y. Aizawa
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