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Advanced Robotics Research, EarlyView.This article presents dielectric elastomer switch (DES) materials, based on composite thin films. Alignment of graphite flakes due to their physical confinement within the thin films lead to much stronger piezoresistive responses than bulk composites, while their durability exceeds that of conventional liquid‐based DES materials.
Lingyu Liu +3 more
wiley +1 more source
3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends
Advanced Robotics Research, EarlyView.Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu +5 more
wiley +1 more source
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Low cycle fatigue of superalloys
Materials Testing, 2004Abstract Low cycle fatigue (LCF) of a fourth-generation single-crystal (SC) Ni-base superalloy TMS-138 was studied by comparison with typical third-generation (TMS-75) and second-generation (CMSX-4) Ni-base SC superalloys. TMS-138 exhibits improved LCF behaviour under a condition of the R ratio of 0 at temperatures of 1073 K and 1173 K ...
Yasuhiro Aoki +4 more
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1988
Description The symposium on Low Cycle Fatigue: Directions for the Future was held in Bolton Landing (on Lake George), New York, 30 September to 4 October 1985. It was sponsored by ASTM Committee E09 on Fatigue, with support from the Hudson-Mohawk Chapter of AIME and the Eastern New York Chapter of ASM.
HD Solomon +3 more
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Description The symposium on Low Cycle Fatigue: Directions for the Future was held in Bolton Landing (on Lake George), New York, 30 September to 4 October 1985. It was sponsored by ASTM Committee E09 on Fatigue, with support from the Hudson-Mohawk Chapter of AIME and the Eastern New York Chapter of ASM.
HD Solomon +3 more
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Conventional Fatigue (High- and Low-Cycle Fatigue)
1997It is known that when metals are subjected to fluctuating load, the failure occurs at a stress level much lower than the fracture stress corresponding to a monotonic tension load.1 With the development of the railway in the nineteenth century, the fatigue failure of railway axles became a problem and much attention was given to the understanding of the
Bahram Farahmand +2 more
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2003
A solution annealed type 316 stainless steel exhibits a uniaxial cyclic stress-strain curve at 550°C ...
J. Yates, M. W. Brown
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A solution annealed type 316 stainless steel exhibits a uniaxial cyclic stress-strain curve at 550°C ...
J. Yates, M. W. Brown
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Effect of nitriding on low-cycle fatigue properties
International Journal of Fatigue, 1997Abstract Nitriding is a thermochemical surface treatment that is often utilized to improve the fatigue strength of mechanical elements. In fact it is well known that, after the treatment, owing to the formation of a nitrided external layer and a field of residual stresses that are compressive on the surface, the high-cycle strength is strongly ...
GUAGLIANO, MARIO, VERGANI, LAURA MARIA
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Aircraft Engineering and Aerospace Technology, 1980
The modern aircraft gas turbine engine produces power on demand hour upon hour and day in, day out. It is one of the most extensively used types of high‐speed rotating machinery as well as one of the most efficient converters of fuel into thrust. Reliability and long life with minimum maintenance depend on efficient monitoring of engine performance and
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The modern aircraft gas turbine engine produces power on demand hour upon hour and day in, day out. It is one of the most extensively used types of high‐speed rotating machinery as well as one of the most efficient converters of fuel into thrust. Reliability and long life with minimum maintenance depend on efficient monitoring of engine performance and
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Initiation from Low Cycle Fatigue to Gigacycle Fatigue
Advanced Materials Research, 2014This paper is devoted to the initiation of fatigue crack in Armco iron from low cycle fatigue to gigacycle fatigue. It is shown that the basic mechanisms of initiation are very similar from a physical point of view: PSB and Grain boundary cracking. But the mechanical aspect is specific in LCF and in GCF.
Bathias, Claude, Wang, Chong
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Strain-Based Fatigue Analysis—Low Cycle Fatigue
2012When the plastic component the cyclic strain cannot be neglected and, indeed, prevails over the elastic one, stresses are no longer uniquely determined and must be put aside in the fatigue analysis. This is the case of structural discontinuities in general and of notches, in particular, where local strains can go well beyond the elastic limit of the ...
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