Results 221 to 230 of about 4,092 (259)

Accelerated Creep Testing of CFRP with the Stepped Isostress Method

2016
Numerous accelerated methods for testing long-term viscoelastic properties of fiber reinforced polymer (FRP) composites such as creep and relaxation have been developed in order to reduce the time needed to characterize the material behavior. Most of them are based on the time-temperature-stress superposition principle (TTSSP), or some variation ...
J. D. Tanks, K. E. Rader, S. R. Sharp
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Accelerated creep as a precursor of friction instability and earthquake prediction

Physical Mesomechanics, 2010
Earthquakes can be considered as a result of tribological instability in a system of faults of the Earth crust. Similar instabilities can be reproduced and studied in detail in laboratory-scale experiments. In this work, the earthquake model under study is a tribosystem with pronounced stick-slip behavior. Measurement of the motion of the system with a
V.L. Popov, B. Grzemba, J. Starcevic, C. Fabry   +3 more
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Accelerated Creep Test for New Steels and Welds

2017
Conventional “constant-load” creep tests of new steels for thermal power generation and chemical processing are very long lasting, thus delay application of new steels for years. Same problem appears with creep tests on heat-affected zones in welded joints of these steels, as welding procedure influences their properties.
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On Feasibility of Accelerated Creep Measurements in Some Polymeric Materials

1983
It’s not easy for the car designer to choose properly a plastic material for a particular application, on account of both the great variety of different materials with similar characteristics, and the paucity of data about their long-term behaviour: this is particularly true in the case of creep resistance.
A. Franceschini, A. Momo, P. Campagna
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Extrapolation of Sigmoidal Creep Curve by Strain Acceleration Parameter

Key Engineering Materials, 2013
It has been widely accepted that the creep characteristics at high temperatures are mainly evaluated by a minimum creep rate and a time to fracture. Although, a shape of creep curve may vary depending on deformation conditions, the apparent minimum creep rates may become the same value.
Hiroyuki Sato, Kosuke Omote, Akira Sato, Kouki Ueno   +3 more
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Accelerated creep model based on the law of energy conservation and analysis of creep parameters

Mechanics of Time-Dependent Materials, 2023
Wenbo Liu, Shuguang Zhang
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Study of Scribe Type on Accelerated Underfilm Corrosion Creep

SSPC 2011, 2011
Abstract The creepage of corrosion underneath a coatings film applied to a steel test panel is often used as a performance test for the anti-corrosion properties of a coating system. Creepage is defined as the degree of corrosion (usually measured in mm) emanating away from a scribe line underneath a coating film applied to a steel ...
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Accelerated Measurement of the Long-Term Creep Behaviour of Plastics

2017
Plastic parts are increasingly used in engineering applications with high demands on long-term mechanical behaviour. Therefore, suitable accelerated test methods are strongly required. The Stepped Isothermal Method (SIM), a short-term creep experiment during which the temperature is elevated stepwise, was originally developed for product testing of ...
F. Achereiner, K. Engelsing, M. Bastian
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Accelerated containerless creep tests of refractory metals

In the nuclear, military, and aerospace industries, enhancing output and increasing the creep resistance of alloys and metals against high temperatures are critical for ensuring stability and reliability and increasing the thermodynamic efficiency of energy conversion systems.
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On physical nature of creep acceleration effect in submicrocrystalline materials

Russian Physics Journal, 2004
An analysis of special features of manifestation of the creep acceleration effect in polycrystalline metals and alloys in the presence of grain-boundary diffusion fluxes of an impurity from an external medium is made. It is noted that in certain cases where the diffusion properties of sub-boundary regions differ greatly from those within the boundary ...
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