Relevant bibliographies by topics / Creep – Measurement

Academic literature on the topic 'Creep – Measurement'

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Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Creep – Measurement"

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Sagawa, Hirofumi. "Creep Test Measurement System." JAPAN TAPPI JOURNAL 51, no. 2 (1997): 319–20. http://dx.doi.org/10.2524/jtappij.51.319.

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Sullivan, J. L. "MEASUREMENT OF COMPOSITE CREEP." Experimental Techniques 15, no. 5 (September 1991): 32–37. http://dx.doi.org/10.1111/j.1747-1567.1991.tb01210.x.

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Reznicek, Martin, David Manas, Michal Stanek, Martin Ovsik, Vojtech Senkerik, Adam Skrobak, and Petr Kratky. "Creep Test Evalutation." Advanced Materials Research 1025-1026 (September 2014): 270–73. http://dx.doi.org/10.4028/www.scientific.net/amr.1025-1026.270.

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Many methods of result interpretation were developed while testing materials. We can often see evaluation using graphs, tables, numerical expression with effort to present the results of research as clearly as possible to the reader. One of the factors that can negatively affect this interpretation is the number of tested samples. With sufficient number of samples, ordinary arithmetic average is used and standard deviation is used to express uncertainty of measurement. But what to do when we only have small number of measurements? Can big deviation affect the results of the experiment? This article will try to answer this question.
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Padevět, Pavel, and Petr Bittnar. "Creep of Cement Pastes with Content of Fly Ash one Year Old." Applied Mechanics and Materials 732 (February 2015): 385–88. http://dx.doi.org/10.4028/www.scientific.net/amm.732.385.

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The paper discusses the creep cement pastes with addition of fly ash. The evolution of the creep was observed in age of one year, for length one month. The size of the creep is influenced by the amount the creep physically bound water. The material properties depend on the ratio of components from which the cement paste is composed. The paper presents the results of creep measurement for the ratio of cement and fly ash 70:30, 60:40 and 50:50. The basic creep and creep of the saturated cement paste were calculated from measurements.
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Yakushev, P. N. "Creep rate measurement with laser interferometer." Optical Memory and Neural Networks 18, no. 4 (December 2009): 328–36. http://dx.doi.org/10.3103/s1060992x09040122.

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Padevět, Pavel, and Petr Bittnar. "Creep of the Four Month Old Cement Paste with Content of Fly Ash." Applied Mechanics and Materials 827 (February 2016): 251–54. http://dx.doi.org/10.4028/www.scientific.net/amm.827.251.

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The paper presents research in area of the measurement of cement paste creep. The propertiesof four month cement paste mixed with fly ash are presented. The creep and shrinkage are measuredinto the lever mechanism. The basic creep and creep of the saturated cement paste are calculatedfrom data of measurement. Finally, creep of four months old specimens is discussed.
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Garcia-Granada, A. A., V. D. Lacarac, P. Holdway, D. J. Smith, and M. J. Pavier. "Creep Relaxation of Residual Stresses Around Cold Expanded Holes." Journal of Engineering Materials and Technology 123, no. 1 (June 2, 2000): 125–31. http://dx.doi.org/10.1115/1.1310305.

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The cold expansion of fastener holes in aircraft components is a standard technique to improve fatigue life. There is concern that the beneficial residual stresses arising from cold expansion may relax due to creep. This paper describes experimental measurement and finite element prediction of cold expansion residual stresses and their redistribution after creep, with and without additional mechanical load. Experimental measurements of near-surface stresses used an X-ray diffraction technique while average through-the-thickness stresses were measured using a new method based on Sachs’ boring. This new method allowed non-axisymmetric residual stresses to be measured, as was the case when creep relaxation occurred with mechanical load. Axisymmetric and three dimensional finite element analyses were used to predict the stress distribution through the thickness of the component showing good agreement with measurement. Creep relaxation of residual stress does indeed occur, but some benefit of the cold expansion remains, particularly when creep relaxation is combined with the application of mechanical load.
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KIM, CHUNG SEOK, CHANG YOUNG HYUN, and KYOUNG YOUNG JHANG. "CREEP CHARACTERIZATION OF SUPERALLOY IN-738 USING ULTRASONIC NONLINEARITY MEASUREMENT." International Journal of Modern Physics B 25, no. 10 (April 20, 2011): 1385–92. http://dx.doi.org/10.1142/s0217979211100011.

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The higher harmonic generation technique has been presented to investigate the creep characteristics of nickel-based superalloy. The primary γ′ precipitates became coarsened preferentially in the direction perpendicular to the applied stress axis during the creep deformation and the Vickers hardness decreased with creep time due to loss of interfacial strain between γ matrix and γ′ precipitate. The increase in ultrasonic nonlinearity with increasing creep time is discussed in relation to the directional coarsening of the γ′ precipitates, which was closely related to the scattering and distortion of the ultrasonic wave.
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Padevět, Pavel, and Petr Bittnar. "Creep of Cementitous Materials with Addition of Fly Ash in Time." Advanced Materials Research 742 (August 2013): 182–86. http://dx.doi.org/10.4028/www.scientific.net/amr.742.182.

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The cement paste forms the basis of a concrete composite. This article is focused on the analysis of the creep of cement paste with fly ash based on experimental measurements. Measurement results of creep-dried and water saturated pastes are presented. The ratio of cement to fly ash of 1:1 was used for the production of the mixture. Experimental measurements were carried out on material age of 4 months.
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Pin, S., A. Guédon-Gracia, J. Y. Delétage, and H. Frémont. "Creep measurement and choice of creep laws for BGA assemblies' reliability simulation." Microelectronics Reliability 88-90 (September 2018): 1172–76. http://dx.doi.org/10.1016/j.microrel.2018.07.029.

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Dissertations / Theses on the topic "Creep – Measurement"

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Thomas, A. V. "Measurement of creep damage in CrMoV steels using ultrasonic test techniques." Thesis, Swansea University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.639199.

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Low alloy steels are widely used in components which operate at high temperatures and pressures, and thus are susceptible to creep. This process involves microstructural changes and degradation of the material which leads to rupture if not detected. Available methods for assessing these factors are currently limited to destructive tests, or to investigation of selected areas of the component surface. Consequently, reliable methods for the detection of creep damage are indispensable, both to guarantee safe operation during the designed lifetime, and to ensure that components possess the physical properties suitable for their required use. Presently, methods including magnetic particle inspection and replication metallography are available for the detection of surface cracks and creep damage. However, there are significant benefits to identifying damage at an earlier stage. A successful plant life strategy demands techniques capable of identifying the initiation of in-service damage within the bulk of structure. Due to the limited availability of test material which may be obtained and the demand for volumetric material characterisation, acoustic NDE techniques offer an attractive means to obtain this information. However, for the effective application of non-destructive characterisation of creep damage, it is fundamentally important to firstly establish an understanding of how acoustic NDE signatures relate to material properties. The research programme undertaken to meet these requirements involved the application of acoustic NDE techniques to meet this task. A specific test programme was developed so that variations in selected microstructural parameters were characterised in terms of structure and properties. These fully characterised specimens then provided the standards required for assessment of volumetric and surface ultrasonic techniques, in both the time and frequency domains.
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Low, Choon Ann Kenneth. "Measurement of elevated temperature creep strains in cross-weld specimens using the grid method." Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368969.

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Kostecki, Todd. "DESIGN METHODS FOR ROCK BOLTS USING IN-SITU MEASUREMENT FROM UNDERGROUND COAL MINES." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/dissertations/1695.

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The research in this dissertation was undertaken because of a need for a more accurate, reliable and relatively simple method for determining the combined loading (i.e., axial, flexure and shear) along rock bolts. This combined load determination and understanding also resulted in a relatively simple and reliable new rock bolt design methodology. The new design method was based on a clearer understanding of the actual loading along a grouted rock bolt. To accomplish these research goals, double shear tests were conducted in the lab with reinforced concrete specimens, and field trials were conducted in room and pillar coal mines, with the aim to measure in-situ rock shear. Strain measurements were obtained using rock bolts instrumented with optical fibers that possessed high spatial resolution (≈ 1.25 – 2.5 mm). Corroboration with a past database of rock bolt measurements in shale aided in the deduction of the final support design method. The scientific contributions from this research include the conceptualization of a ground reaction curve that considers time effects such as rock relaxation, long term weakening effects, and lateral rock movement. A new explanation as to why rock bolts creep in practice (i.e., dislocation creep) is described based upon field measurements, which also indicated that the process of in-situ rock shear involves slow episodic movements. Specifically, there are localized compression (i.e., rock pinch) and tensile zones (i.e., dilatation) prior to the occurrence of plastic relief (i.e., rock slip). Finally, the design method is developed using simple factors (i.e., strain and shape factors) and loading conditions (e.g., installed load, rock slip) that occurred throughout the rock bolt’s design life. This approach results in a methodology that considers effects on reinforcement with time and combined loadings. The method is then extended by producing survival and hazard functions for rock bolts to ultimately reduce risk associated with design.
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Touboul, Mathieu. "Étude du comportement mécanique à chaud de l'acier P91 : vers la compréhension du rôle des mécanismes intra/intergranulaires sur la tenue en fluage. Application aux structures soudées." Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00819229.

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Il s'agit dans ce travail de développer une démarche multiéchelles, afin d'identifier puis de modéliser le comportement mécanique d'un matériau à gradient de propriétés (un cordon de soudure) en relation avec les hétérogénéités microstructurales responsables de la déformation et de l'endommagement par fluage des aciers P91, matériaux retenus pour des applications de tenue mécanique à chaud des centrales thermiques à flamme. Cette étude porte sur l'utilisation des techniques de mesure de champs cinématiques par corrélation d'images couplées aux simulations numériques par éléments finis. Les différentes zones d'intérêt sont : le métal de base, l'ICHAZ (intercritical heat affected zone), la FGHAZ (fine grain heat affected zone), la CGHAZ (coarse grain heat affected zone) et le métal fondu. L'identification a porté dans un premier temps sur le comportement en traction et traction-relaxation à l'ambiante et à 625°C. Cette phase a permis d'établir une loi de comportement pour chacune des zones du joint soudé et de prédire la zone de localisation de déformation pour une gamme assez large de vitesse de sollicitation.Une attention particulière a ensuite été portée aux essais de fluage, pour lequel le glissement intergranulaire joue un rôle essentiel dans le comportement du cordon de soudure et notamment dans l'ICHAZ. Afin de mettre en évidence le glissement intergranulaire, une technique de microlithographie a été adoptée. L'effet de ce mécanisme sur le comportement macroscopique et à l'échelle locale a été étudié au moyen de simulations numériques par éléments finis avec introduction de zones cohésives. Pour cela une loi cohésive a été élaborée et validée sur une configuration simplifiée à quatre grains. Ce modèle permet également de rendre compte de la transition fluage dislocation - fluage diffusion en retardant le déclenchement du glissement aux joints de grains quand la vitesse de sollicitation augmente.Cette étude est financée par la Chaire EDF-GDF-SUEZ-GRT gaz - ENSMP -ENPC sur la "durabilité des matériaux et des structures pour l'énergie ".
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Peterson, Keith A. "Measurements and observations of interfacial creep in engineering systems." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02sep%5FPeterson%5FPhD.pdf.

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Thesis (Ph. D. in Mechanical Engineering)--Naval Postgraduate School, September 2002.
Dissertation supervisor: Indranath Dutta. Includes bibliographical references (p. 119-124). Also available online.
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Githinji, David Njuguna. "Characterisation of plastic and creep strains from lattice orientation measurements." Thesis, Open University, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607486.

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Electron backscatter diffraction (EBSD) is a powerful technique for measuring crystallographic orientation in polycrystalline materials. This thesis explores the potential of EBSD for characterising localised inelastic strain from lattice orientation measurements. A systematic study under uniaxial isothermal loading conditions was performed to examine the influence of microstructure and deformation conditions on strain-induced lattice orientation changes (misorientation). The study was conducted on both service-aged and un-aged Type 316H stainless steels through a series of monotonic tests in tension, compression and in constant load creep. The study demonstrates that the development of misorientation depends on many factors which need consideration before EBSD can be applied for strain assessment. It is shown that the measured evolution of misorientations is a function of microstructure and grain size. A misorientation-based strain assessment method is proposed which is relatively insensitive to microstructure and grain size. In service-aged steel, the measured evolution of misorientations is shown to be independent of the deformation temperature (between 24°C and 550°C) and deformation mode (tension vs. compression) for strain rates down to about . Empirical correlations between the accumulated plastic strain and different misorientation metrics are developed for true strains up to 0.23. However, at 550°C the evolution of measured misorientations is shown to be strain rate dependent below 1O-6S-1 . The potential of EBSD to distinguish plastic strain from creep strain is demonstrated. Misorientation development is shown to occur at a faster rate with increasing strain in plastic than in creep deformation. Similarly, the proportion of twin boundaries in service-aged steel is shown to reduce with increasing strain at a faster rate in creep than in plastic deformation. Two novel methods for creep strain estimation are proposed which utilise the disparities in the misorientation development and twin boundary reduction under the two different deformation regimes. A good correspondence is established between the strain estimates from the proposed methods and those derived from hardness measurements and digital image correlation. The methods are shown to be applicable to real power plant components through successful mapping of plastic and creep strain distributions in weldments after different periods in service.
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Williams, Valorie Sharron 1960. "In situ microviscoelastic measurements by polarization interferometry." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276691.

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A new type of computer-controlled instrument has been developed to measure microviscoelastic properties of thin materials. It can independently control and measure indentation loads and depths in situ revealing information about material creep and relaxation. Sample and indenter positions are measured with a specially designed polarization interferometer. Indenter loadings can be varied between 0.5 and 10 grams and held constant to ±41 mg. The resulting indentation depths can be measured in situ to ±1.2 nm. The load required to maintain constant indentation depths from 0.1 to 5.0 microns can be measured in situ to ±3.3 mg and the depth held constant to ±15 nm.
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Mohammadi, Yaghoub. "Compression creep measurements in pultruded angle sections made of fibre glass reinforced plastic." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69738.

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A study aimed at investigating the performance of pultruded fibre glass reinforced plastic (FGRP) materials subjected to both the time-independent and the time-dependent response of angle stubs and coupons was conducted. Angle stubs and coupons were made of isophtalic polyester resin reinforced with an E-glass fibre glass mat of 35%-45% of the weight. The stub dimensions were of 50.8 mm $ times$ 50.8 mm $ times$ 6.35 mm and their length was 305 mm. The compression coupons were cut in a prismatic shape according to ASTM Standard D695-89 with 12.70 mm $ times$ 6.35 mm cross-section and a length of 31.75 mm.
In the time-independent short-term study, the FGRP angle stubs and coupons were subjected to axial compression loading with two different testing configurations.
In the time-dependent long-term study, three angle stubs were first subjected to a 350 hour preliminary creep test, followed by 150 hours of creep recovery, with three lengths and configurations of strain gauges. Finally, a last series of tests was carried out on three angle stubs instrumented with 12 5-mm long gauges. Coupon creep tests were carried out in parallel with the stub tests. The total duration of the tests was 2500 hours in creep and 250 hours in creep recovery. Results indicate a scatter in the order of 15% in creep strain measurements after 2500 hours, for both stub and coupon tests. Predictions using Findley's power law with creep parameters determined from the stub tests and coupon tests are in excellent agreement, both with one another and with actual creep strain measurements on the stubs. The Boltzman superposition principle was used to compare the experimental creep recovery results with predictions from Findley's model, and excellent agreement was also observed. (Abstract shortened by UMI.)
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Stephens, Ryan A. "Field Algae Measurements Using Empirical Correlations at Deer Creek Reservoir." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2722.

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Deer Creek Reservoir in Utah has a history of high algae concentrations. Despite recent nutrient reduction efforts, seasonal algae continue to present problems. Cost effective, accurate, and comprehensive monitoring is important to understand the reservoir processes driving this problem and characterizing the algae spatial and temporal distributions are an important part of this effort. Current laboratory methods for accurately measuring algae are expensive and time consuming and are based on water samples taken in the field and transported to the laboratory. This approach only provides data for relatively few point samples because of the time and expense of sample collection and analysis. These relatively few samples do not describe the complex spatial and temporal trends in the algal data. Algae exhibit non-uniform distributions, especially in the vertical direction. In situ probes are able to measure chlorophyll-a and provide a less expensive measuring alternative than laboratory methods. These probes provide relatively quick, high resolution vertical profile measurements, which allows for more comprehensive horizontal and temporal sampling. To have confidence in the probe data, good correlations between in situ chlorophyll-a measurements and laboratory algae or chlorophyll measurements are important, but these correlations can be reservoir and time dependant as reservoir conditions change. Therefore, they must be developed for each study site. This study reports on efforts at Deer Creek Reservoir to develop these correlations and provide a general description of the dynamic reservoir algal processes. I found that chlorophyll-a is weakly correlated to most algae species in the reservoir. However, it correlated well with total phytoplankton biovolume and the dominant algal species, which for this study was the diatom. Variations in correlation strength among the several algae species was assumed to most likely be affected by environmental factors, sample methods, algae species diversity, and the accuracy of the optical chlorophyll-a sensor. The data analysis indicate that the field methods used to obtain laboratory samples may have been a significant source of error because of the difficulty of matching the location of a probe measurement to the location of a sample. Field samples were not taken at the same depths as probe measurements and field samples from two locations were either mixed before laboratory analysis or the sample was a composite over a 2-meter range. Based on my observations, I have made several recommendations to improve the accuracy of the correlation between algae and chlorophyll-a.
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Decker, Timothy Joseph. "An assessment of water quality on Little and Big Duck Creeks near Elwood, Indiana." Virtual Press, 1987. http://liblink.bsu.edu/uhtbin/catkey/539626.

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A water quality study was conducted on Big Duck Creek and Little Duck Creek near Elwood, Indiana during the summer, autumn and winter of 1978 - 1979 and compared to measurements made in 1938.Samples were analyzed for dissolved oxygen, biochemical oxygen demand, suspended solids, ammonia, total coliform bacteria, hydrogen ion concentration and temperature. Significant differences in concentrations were observed for each environmental parameter measured in 1979 when evaluated on a basis of sampling location. With the exception of dissolved oxygen concentrations, the effect of stream volume on the concentration of environmental parameters was in most instances small.When the up and downstream stations were compared, a definite decrease in water quality was noted. The dissolved oxygen concentrations decreased as the water flowed through the city. Due to increased organic loading, the biochemical oxygen demand increased in the downstream area.Elwood increased the suspended solids level of Big Duck Creek. Agricultural and urban runoff together with untreated sewage discharges significantly increased the suspended solids level within the inner city region. Dilution by treated sewage as well as cleaner water from Little Duck Creek help reduce the suspended solids level in the downstream location. Relatively high ammonia concentrations were observed in the upstream portions of the creeks. This was apparently related to farm practices. The higher readings of ammonia were noted after animal manure was spread on the fields along the stream. The downstream levels were also high. This was probably due to ammonia in the effluents of the sewage treatment plant. In contrast, only small changes in the hydrogen ion concentration was observed throughout the creek.The number of total coliform bacteria increased in the center of town because of a sewer bypass into the creek. Below Elwood the concentration of bacteria decreased due to dilution with disinfected effluents from the sewage treatment plant.Except for a noticeable increase in biochemical oxygen demand and ammonia, the Elwood sewage treatment plant effluent together with flow from Little Duck Creek appears to improve Big Duck Creek's condition as it leaves the city to join White River.Significant differences were observed between measurements made in 1938 and 1978 - 79. Results of the study showed a significant improvement in water quality of Big Duck Creek since 1938. This was probably due to the construction of Elwood's wastewater collection system and sewage treatment plant in the 1940s.However, there was still degradation of water quality within the city due to untreated wastewater discharges. Consequently, emphasis should be focused on the inner city problem since Elwood residents would be in the proximity to this area.
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Books on the topic "Creep – Measurement"

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Leeuwen, H. P. van. Automated measurement of crack length and load line displacement at elevated temperature. Neuilly sur Seine, France: AGARD, 1988.

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Meyer, J. F. Discharge and water quality of Horse Creek, southeastern Wyoming, May - November, 1985. Cheyenne, Wyo: U.S. Dept. of the Interior, Geological Survey, 1986.

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Meyer, J. F. Discharge and water quality of Horse Creek, southeastern Wyoming, May - November, 1985. Cheyenne, Wyo: U.S. Dept. of the Interior, Geological Survey, 1986.

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Turner, Mary J. Traveltime and reaeration characteristics for Salt Creek Basin in northeastern Illinois, June-October 1995. Urbana, Ill: U.S. Geological Survey, 1996.

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Pool, D. R. Measurement of ground-water storage change and specific yield using the temporal-gravity method near Rillito Creek, Tucson, Arizona. Tucson, Ariz: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Joseph, Robert L. Water-quality conditions and streamflow gain and loss of the South Prong of Spavinaw Creek Basin, Benton County, Arkansas. Little Rock, Ark: U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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Joseph, Robert L. Water-quality conditions and streamflow gain and loss of the South Prong of Spavinaw Creek Basin, Benton County, Arkansas. Little Rock, Ark: U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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Joseph, Robert L. Water-quality conditions and streamflow gain and loss of the South Prong of Spavinaw Creek Basin, Benton County, Arkansas. Little Rock, Ark: U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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Joseph, Robert L. Water-quality conditions and streamflow gain and loss of the South Prong of Spavinaw Creek Basin, Benton County, Arkansas. Little Rock, Ark: U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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Pool, D. R. Measurement of ground-water storage change and specific yield using the temporal-gravity method near Rillito Creek, Tucson, Arizona. Tucson, Ariz: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Book chapters on the topic "Creep – Measurement"

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Cappella, Brunero. "Creep Compliance Measurement." In Mechanical Properties of Polymers Measured through AFM Force-Distance Curves, 221–30. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29459-9_6.

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Moore, D. R. "Measurement of Creep." In Polymer Science and Technology Series, 137–39. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9231-4_30.

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Hemrick, J. G., and A. A. Wereszczak. "Creep Measurement and Analysis of Refractories." In Ceramic Transactions Series, 171–93. 735 Ceramic Place, Westerville, Ohio 43081: The American Ceramic Society, 2012. http://dx.doi.org/10.1002/9781118370940.ch9.

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Sugita, Y., N. Shinohara, and K. Sugiyama. "Temperature Measurement and Lifetime Prediction of a High-Pressure Turbine Rotor." In IUTAM Symposium on Creep in Structures, 429–38. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9628-2_41.

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Sakanashi, Y., S. Gungor, and P. J. Bouchard. "Measurement of Creep Deformation in Stainless Steel Welded Joints." In Optical Measurements, Modeling, and Metrology, Volume 5, 371–78. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0228-2_45.

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Achereiner, F., K. Engelsing, and M. Bastian. "Accelerated Measurement of the Long-Term Creep Behaviour of Plastics." In Deformation and Fracture Behaviour of Polymer Materials, 389–402. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-41879-7_27.

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Zhong, Ying Ying, Shu Fang Xu, Xin Ming Zhang, Tian Cai Guo, and Yun Lai Deng. "Measurement of Press Creep Stress Exponent of ZM6 Alloy at Room Temperature." In Materials Science Forum, 509–11. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-432-4.509.

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Hsu, K. S., M. T. Lin, and C. J. Tong. "The Measurement of Cyclic Creep Behavior in Copper Thin Film Using Microtensile Testing." In MEMS and Nanotechnology, Volume 4, 31–38. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0210-7_5.

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Shu, Xinggao, Yuqing Zeng, Nicholas Wilson, Randy Thompson, and Ali Tajaddini. "Wheel/Rail Contact Creep Curve Measurement and Low Speed Wheel Climb Derailment Investigation." In Lecture Notes in Mechanical Engineering, 660–68. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38077-9_77.

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Nishimura, Tomoyoshi, and Keita Iwasaki. "Measurement of Vertical Strain of Compacted Bentonite Subjected to Hydration Effort on Creep Test." In Advances in Laboratory Testing and Modelling of Soils and Shales (ATMSS), 147–54. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52773-4_16.

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Conference papers on the topic "Creep – Measurement"

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ZARRABI, K., and Z. LU. "ON CREEP STRAIN MEASUREMENT." In Proceedings of the Third Australasian Congress on Applied Mechanics. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812777973_0043.

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Sablik, Martin J., and David C. Jiles. "Magnetic measurement of creep damage: modeling and measurement." In Nondestructive Evaluation Techniques for Aging Infrastructure and Manufacturing, edited by Martin Prager and Richard M. Tilley. SPIE, 1996. http://dx.doi.org/10.1117/12.259164.

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Patil, P. G., and R. P. Nachane. "Measurement of inverse creep in cotton yarns." In the International Conference & Workshop. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1980022.1980323.

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Corcoran, Joseph, Catrin M. Davies, Peter B. Nagy, and Peter Cawley. "Potential drop strain measurement for creep monitoring." In 41ST ANNUAL REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION: Volume 34. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4914697.

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Morris, Andy, Iain Palmer, Chris Maharaj, and John Dear. "ARCMAC Optical Creep Monitoring: Developments in Image Analysis Techniques and Creep Measurement Validation." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25617.

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Power station steam pipes operate at high temperatures (approximately 570°C) and pressures, and estimation of remaining life is critical in avoiding pipe failure. In estimating remaining life, creep rate for both parent pipe material and weldments is an important metric. A number of optical strain methods have been investigated to measure creep strain, including digital image correlation (DIC) and E.ON’s auto-reference creep management and control (ARCMAC) system. The ARCMAC system measures point to point strain by capturing and analysing images of a pair of inconel gauges. Recently, a modified ARCMAC image capture system has been developed using a DSLR camera, providing higher resolution images and lower costs compared to the existing system. Experimental results from the modified ARCMAC system show reduced accuracy compared to the existing system, likely due to distortion caused by lower quality lens components. However, by calculating and applying a correction for this distortion during image processing, it has been shown that accuracy of the modified system becomes significantly better than the existing system. The processing of ARCMAC images has previously been carried out manually by the user. In order to improve the repeatability and a speed of ARCMAC image processing, a computational code has been developed to carry out the procedure automatically. As well as reducing processing time substantially, the selection of image processing parameters has been standardised, improving accuracy significantly. ARCMAC results from creep tests carried out to simulate in-service conditions and measure creep under controlled conditions are also presented. These creep experiments form part of efforts to develop the ARCMAC system to be used to measure strain on-load rather than during the outage, allowing for more regular readings and more accurate creep rate estimation.
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Liao, Yi, Robert Tait, Kevin Harding, Edward J. Nieters, Wayne C. Hasz, and Nicole Piche. "Continuous turbine blade creep measurement based on Moiré." In Photonics Asia, edited by Kevin G. Harding, Peisen S. Huang, and Toru Yoshizawa. SPIE, 2012. http://dx.doi.org/10.1117/12.2000283.

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Liao, Yi, Kevin G. Harding, Edward J. Nieters, Robert W. Tait, Wayne C. Hasz, and Nicole Piche. "Error correction for Moiré based creep measurement system." In SPIE Sensing Technology + Applications, edited by Kevin G. Harding and Toru Yoshizawa. SPIE, 2014. http://dx.doi.org/10.1117/12.2050595.

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Zhang, Sheng, Yingying Zhang, Shaohui Yin, and Hong Luo. "Glass viscoelasticity determination and analysis based on TMA compression creep." In Optical Test, Measurement Technologies, and Equipment, edited by Xiaoliang Ma, Fan Wu, Bin Fan, Xiong Li, and Yudong Zhang. SPIE, 2019. http://dx.doi.org/10.1117/12.2514788.

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Hargrave, C. O., N. V. Shuley, J. C. Ralston, and D. W. Hainsworth. "Radar Level Sensor for Longwall Creep and Retreat Measurement." In 2007 IEEE Industry Applications Annual Meeting. IEEE, 2007. http://dx.doi.org/10.1109/ias.2007.318.

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Hargrave, C. O., N. V. Shuley, J. C. Ralston, and D. W. Hainsworth. "Radar Level Sensor for Longwall Creep and Retreat Measurement." In 2007 IEEE Industry Applications Annual Meeting. IEEE, 2007. http://dx.doi.org/10.1109/07ias.2007.318.

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Reports on the topic "Creep – Measurement"

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Deibler, Lisa Anne, and John Robert Laing. High fidelity measurement of room temperature creep in NW alloys. Office of Scientific and Technical Information (OSTI), September 2015. http://dx.doi.org/10.2172/1221948.

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Hyers, Robert W. Non-contact Measurement of Creep in Ultra-High-Temperature Materials. Fort Belvoir, VA: Defense Technical Information Center, November 2009. http://dx.doi.org/10.21236/ada524249.

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Brown, R. T., and J. A. Gordon. Measurement of upwelling flow from Upper Bear Creek reservoir air diffusers. Office of Scientific and Technical Information (OSTI), May 1988. http://dx.doi.org/10.2172/6072313.

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Wawersik, W. R., and D. J. Zimmerer. Triaxial creep measurements on rock salt from the Jennings dome, Louisiana, borehole LA-1, core {number_sign}8. Office of Scientific and Technical Information (OSTI), May 1994. http://dx.doi.org/10.2172/10181963.

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Fall, Kelsey, David Perkey, Zachary Tyler, and Timothy Welp. Field measurement and monitoring of hydrodynamic and suspended sediment within the Seven Mile Island Innovation Laboratory, New Jersey. Engineer Research and Development Center (U.S.), June 2021. http://dx.doi.org/10.21079/11681/40980.

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The Seven Mile Island Innovation Laboratory (SMIIL) was launched in 2019 to evaluate beneficial use of dredge material management practices in coastal New Jersey. As part of that effort, the Philadelphia District requested that the US Army Engineer Research and Development Center, Coastal and Hydraulics Laboratory, collect data to characterize the hydrodynamics and turbidity within the central portions of the SMIIL prior to and during dredge material placement. Pre-dredge monitoring found that apart from punctuated wind events, the study area waters were generally calm and clear with small waves, <0.25 m, slow current speeds (~0.1 m/s), low turbidity (~10 ntus), and low suspended sediment concentrations (~10–20 mg/L). In March 2020, 2,475 m³ of dredged sediment was placed on the northern portion of Sturgeon Island within the SMIIL. Turbidity in the waters surrounding the island was monitored to quantify extent of the sediment plume resulting from the placement. Observations found little to no turbidity plume associated with the dredging operations beyond 20 m from the island and that the plume was largely limited to areas near a tidal creek draining the placement area. Additionally, turbidity levels quickly returned to background conditions at times when the dredge was not in operation.
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ELLSWORTH, D. NITROGEN INTERACTIONS AND PHOTOSYNTHETIC RESPONSES TO CO2: WORK PLAN FOR BIOCON EXPERIMENT/PHYSIOLOGICAL MEASUREMENTS AT CEDAR CREEK. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/862132.

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Ellsworth, D. Nitrogen Interactions and Photosynthetic Responses to CO{sub 2}: Work Plan for Biocon Experiment/Physiological Measurements at Cedar Creek. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/6231.

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ELLSWORTH, D. NITROGEN INTERACTIONS AND PHOTOSYNTHETIC RESPONSES TO CO{sub 2}: WORK PLAN FOR BIOCON EXPERIMENT/PHYSIOLOGICAL MEASUREMENTS AT CEDAR CREEK. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/760979.

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Theodolite measurements of creep rates on San Francisco Bay region faults: technical report. US Geological Survey, 1990. http://dx.doi.org/10.3133/1394.

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Measurement of evapotranspiration in phreatophyte areas, Smith Creek Valley and Carson Desert, west-central Nevada, 1983. US Geological Survey, 1993. http://dx.doi.org/10.3133/wri894118.

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