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Artículos de revistas sobre el tema "Extensión Creel"

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Publicado: 26 de julio de 2024
Última modificación: 31 de julio de 2025

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1

García Ramírez, Amelia. "El proceso de enseñanza-aprendizaje de las y los estudiantes rarámuri de la Licenciatura en Antropología Social de la EAHNM-Extensión Creel." Revista Latinoamericana de Estudios Educativos 51, no. 3 (2021): 153–78. http://dx.doi.org/10.48102/rlee.2021.51.3.403.

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El artículo tiene como finalidad analizar el proceso de enseñanza-aprendizaje de las y los estudiantes rarámuri de la licenciatura en antropología social, a partir de un enfoque cualitativo con una metodología etnográfica basada en la observación y la entrevista semiestructurada. Se retoma la experiencia de la Escuela de Antropología e Historia del Norte de México (EAHNM) en su Plantel Creel, ubicado en la Sierra Tarahumara, al suroeste del estado de Chihuahua. Se concluye con una propuesta para trabajar con la diversidad cultural en la educación superior, haciendo referencia al modelo educati
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2

Elkersh, Khaled, Serter Atabay, Tarig Ali, Abdullah G. Yilmaz, Maruf Md Mortula, and Geórgenes H. Cavalcante. "Analyzing Hydrodynamic Changes in Dubai Creek, UAE: A Pre- and Post-Extension Study." Hydrology 11, no. 12 (2024): 202. http://dx.doi.org/10.3390/hydrology11120202.

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This paper presents a comparative study that examines the effects of the Dubai Creek extension on its hydrodynamics and water flushing dynamics. Dubai Creek (Khor Dubai) is a 24 km long artificial seawater stream located in the emirate of Dubai. The creek has experienced the impact of the rapid urbanization of Dubai and a major 13 km extension project, which connected the creek to the Arabian Gulf from the other side. In this paper, two-dimensional hydrodynamic and flushing models were created using Delft3D Flexible Mesh (2021.03) to investigate the water circulation and water quality of the c
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3

Oliver, MJ, and LT Twomey. "Extension creep in the lumbar spine." Clinical Biomechanics 10, no. 7 (1995): 363–68. http://dx.doi.org/10.1016/0268-0033(95)00001-2.

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4

Anderson, Neil L., and Ralph Knapp. "An overview of some of the large scale mechanisms of salt dissolution in western Canada." GEOPHYSICS 58, no. 9 (1993): 1375–87. http://dx.doi.org/10.1190/1.1443520.

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Well log and seismic data indicate that the bedded rock salts (salts) of the Devonian Age Prairie Formation were widely distributed and uniformly deposited in the Lloydminster area, Western Canada (T45-65, R20W3M-R5W4M); however, as a result of extensive leaching, the distribution of these salts is not now what it once was. The Lloydminster area is now bisected by the north‐south trending main dissolutional edge of the Prairie salt. Thick salt (up to 150 m) is preserved to the west of this edge; to the east the salt is mostly absent. Analyses of remnant salt and patterns of subsurface structur
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5

Pekařová, Lenla, and Zdeněk Kuboň. "Material Degradation of Steam Pipe Elbow after Long-Term Exposure." Key Engineering Materials 647 (May 2015): 162–69. http://dx.doi.org/10.4028/www.scientific.net/kem.647.162.

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Routine non-destructive examination of the steam pipe elbow after more than 240 000 hours of operation at elevated temperature revealed the extensive creep damage on the outer surface of the pipe elbow. Complex metallographic analysis made in this area confirmed creep damage as well as the non-uniform nature of the cavitation. The density of cavities continuously decreased from the outer pipe surface towards the inner surface, but also its density rapidly waned beyond the damaged area in both directions, along the circumference as well as the length of the elbow. The actual extent of the mater
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6

Lian, Ye Da, Li Qiang Gao, Qian Yin, Zhuang Zhuang Xu, and Zhi Xun Wen. "Low-Cycle Fatigue-Creep Interaction Behavior of GH4169 Supperalloy." Materials Science Forum 1018 (January 2021): 43–48. http://dx.doi.org/10.4028/www.scientific.net/msf.1018.43.

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Effects of different loading and uninstalling and safe loading time on the low-cycle fatigue-creep interaction behavior of GH4169 superalloy at 650°C/850MPa have been investigated. The study found that under the safe loading time, with the longer the loading and unistalling time, the fatigue-creep property and life of this alloy were gradually improved. However, under the same loading and uninstalling time, with the extension of the loading time, property of the fatigue-Creep of the alloy was gradually reduced, and its life was gradually shortened. In addition, The fracture failure behavior of
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7

Ling, Xiang, Shan-Tung Tu, and Jian-Ming Gong. "Damage Mechanics Considerations for Life Extension of High-Temperature Components." Journal of Pressure Vessel Technology 122, no. 2 (1999): 174–79. http://dx.doi.org/10.1115/1.556167.

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Continuum damage theory has proven to be an effective tool in creep damage simulation. In order to establish some mechanical principles for life extension of components at elevated temperature, a numerical scheme based on the localized creep damage theory is introduced. To illustrate the strength potential of structures for life extension, the method is first applied to a simple case of two-bar structure. Typical components of geometrical discontinuity, material discontinuity, and temperature inhomogenity are then analyzed. In terms of the damage distribution or life exhaustion of the componen
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8

Wang, Zhixia, Xufeng Liang, Xue Guangwu, Tao Meng, and Jigang Zhang. "Creep Fracture Characteristics and the Constitutive Model of Salt Rock under a Coupled Thermo-Mechanical Environment." Mathematical Problems in Engineering 2022 (August 24, 2022): 1–14. http://dx.doi.org/10.1155/2022/4926917.

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The fracture extension characteristics of salt rocks under creep play an important role in the long-term safety and stability assessment of underground compressed air storage reservoirs. To study the fracture evolution characteristics of salt rock with time, the present study modified the Charles creep fracture intrinsic model and calibrated the A and n of the fracture extension coefficient parameters by creep fracture experiments with a constant stress rate loading method for salt rock under different temperature conditions. Finally, the modified Charles model was embedded into PFC (particle
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9

Robinson, Laura N., and Bruce E. Barnum. "Southeastern Extension of the Lake Basin Fault Zone in South-Central Montana: Implications for Coal and Hydrocarbon Exploration." Mountain Geologist 23, no. 2 (1986): 37–44. http://dx.doi.org/10.31582/rmag.mg.23.2.37.

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The Lake Basin fault zone, which is the eastern extension of the Lewis and Clark line, is a structural lineament extending west-northwest across central Montana and consists mainly of en echelon northeast-striking normal faults that have been interpreted to be surface expressions of left-lateral movement along a basement wrench fault. Information gathered from recent field mapping of coal beds and from shallow, closely-spaced drill holes resulted in detailed coal bed correlations, which revealed another linear zone of en echelon faulting directly on the extended trend of the Lake Basin fault z
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10

MacKay, Kathryn L. "The Uncompahgre Reservation and the Hill Creek Extension." Utah Historical Quarterly 83, no. 3 (2015): 180–93. http://dx.doi.org/10.5406/utahhistquar.83.3.0180.

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11

Hellen, T. K. "THE VIRTUAL CRACK EXTENSION METHOD FOR CREEP FRACTURE." Fatigue & Fracture of Engineering Materials and Structures 14, no. 6 (1991): 627–36. http://dx.doi.org/10.1111/j.1460-2695.1991.tb00692.x.

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12

Baltussen, J. J. M., and M. G. Northolt. "The viscoelastic extension of polymer fibres: creep behaviour." Polymer 42, no. 8 (2001): 3835–46. http://dx.doi.org/10.1016/s0032-3861(00)00604-2.

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13

Wang, Yan Fang, Zhi Gang Zhou, and Zheng Yin Cai. "Studies about the Drained Creep Characteristic of Silt Soil on k0 Consolidation." Advanced Materials Research 941-944 (June 2014): 2631–35. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.2631.

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The creep characteristic of saturated silt soil was studied by k0 consolidation creep test through two stress paths of axial loading and lateral lightening. According to test datas, some conclusions were submitted. First, the axial creep laws between the two stress paths were consistent on drainage conditions. Volume strains were much smaller than Axial strains. Volume strains presented alternation characteristic between shear shrinkage and shear dilatancy along with time extension. The silt soil creep constitutive model was presented. The results suggested combining the NHRI model describing
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14

Tian, Su Gui, Keun Yong Sohn, and Kyung Hyun Kim. "Effect of Sb Addition on the Creep Property of AZ31 Alloy." Materials Science Forum 449-452 (March 2004): 641–44. http://dx.doi.org/10.4028/www.scientific.net/msf.449-452.641.

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The effects of antimony addition on the microstructures and creep behavior of AZ31 have been studied. Constant load creep tests were carried out at 200°C and an initial stress of 50MPa for AZ31 alloys containing antimony up to 0.84% by weight. Results show that Small additions of antimony to AZ31 effectively decreased the creep extension and steady state creep rates. The steady state creep rate of AZ31 was reduced 2.5 times by the addition of 0.84% of antimony by weight. The main reason for the higher creep resistance is due to the presence of high volume fraction (~20%) of second phases inclu
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15

Kimura, Kazuhiro, Kota Sawada, Yoshiaki Toda, and Hideaki Kushima. "Creep Strength Assessment of High Chromium Ferritic Creep Resistant Steels." Materials Science Forum 539-543 (March 2007): 3112–17. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.3112.

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Degradation mechanism and life prediction method of high chromium ferritic creep resistant steels have been investigated. In the high stress condition, easy and rapid extension of recovered soft region results in significant decrease in creep strength, however, ductility is high. In the low stress condition, extension of recovered soft region is mainly controlled by diffusion and it is slow, therefore, deformation is concentrated in the recovered soft region along grain boundaries and ductility is extremely low. Delta-ferrite produces concentration gap due to difference in equilibrium composit
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16

Lemoal, P., and D. Perreux. "Extension of Classical Laminate Theory to the Anelastic Domain." Advanced Composites Letters 2, no. 5 (1993): 096369359300200. http://dx.doi.org/10.1177/096369359300200501.

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An extension of classical laminate theory to the anelastic domain is proposed. It is based on numerical methods which describe the laminate's response to mechanical loading not analytically but step by step. This approach is applied to a behaviour model of a non linear viscoelastic layer and its application to multiaxial creep tests on filament wound tubes ± 55°is discussed.
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17

Viswanathan, R. "Dissimilar Metal Weld and Boiler Creep Damage Evaluation for Plant Life Extension." Journal of Pressure Vessel Technology 107, no. 3 (1985): 218–25. http://dx.doi.org/10.1115/1.3264439.

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The basic causes of dissimilar metal weld (DMW) failures in boilers are now well understood. Guidelines have emerged for achieving significantly improved DMW life, in terms of operational parameters, weld filler metals, and weld designs. Analytical, as well as experimental, nondestructive techniques have been developed that enable assessment of the condition of DMWs in service so that intelligent run-replace decisions can be made. Techniques for assessing the remaining life of superheater/reheater (SH/RH) tubes are under development. The techniques utilize information on steamside oxide scale
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18

Wu, Xijia, Rong Liu, and Fadila Khelfaoui. "Creep Phenomena, Mechanisms, and Modeling of Complex Engineering Alloys." Modelling 5, no. 3 (2024): 819–40. http://dx.doi.org/10.3390/modelling5030043.

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Metal creep has been a subject of extensive study for more than 110 years because it affects the useful life of engineering components operating at high temperatures. This is even more true with ever-increasing operating temperatures of propulsion/power-generation systems and the environmental regulations to reduce greenhouse emissions. This review summarizes the recent development in creep modeling with regards to creep strain evolution, creep rate, creep ductility, creep life, and fracture mode, attempting to provide a comprehensive mechanism-based framework to address all the important cree
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19

Foriero, A., B. Ladanyi, S. R. Dallimore, P. A. Egginton, and F. M. Nixon. "Modelling of deep seated hill slope creep in permafrost." Canadian Geotechnical Journal 35, no. 4 (1998): 560–78. http://dx.doi.org/10.1139/t98-024.

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Attempts have been made to simulate hillslope creep observations at a site near the village of Tuktoyaktuk, Northwest Territories. Unlike other creep studies in permafrost, this site was unique in that the deformations occurred within a massive ice body, forming the core of a 30 m high concentric hill approximately 1200 m long and 700 m wide. The described simulation model of slope creep is based on both an extension of a closed-form solution originally proposed for two- and three-dimensional ice caps and a finite element creep analysis. The solution covers cyclic temperature fluctuations and
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20

Knighton, A. David, Kevin Mills, and Colin D. Woodroffe. "Tidal-creek extension and saltwater intrusion in northern Australia." Geology 19, no. 8 (1991): 831. http://dx.doi.org/10.1130/0091-7613(1991)019<0831:tceasi>2.3.co;2.

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21

Chokshi, Atul H. "Diffusion creep in metals and ceramics: Extension to nanocrystals." Materials Science and Engineering: A 483-484 (June 2008): 485–91. http://dx.doi.org/10.1016/j.msea.2006.10.197.

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22

Bao, Yi Wang, and Yan Chun Zhou. "Bending Creep and Stress Relaxation of Ti3AlC2 at High Temperature." Key Engineering Materials 280-283 (February 2007): 1373–78. http://dx.doi.org/10.4028/www.scientific.net/kem.280-283.1373.

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Creep and stress relaxation of Ti3AlC2 were investigated using three-point bending tests at 800-1200°C under various load levels. The results show that the creep rate significantly increases with increasing temperature in the rang of 1000-1200°C. Subcritical crack growth during the creep process was found to be the main failure mechanism, i.e., the stress intensity factor increases with the creep-induced crack growth and results in the ultimate fracture. The lower limit of stress relaxation was considered as the threshold value of zero-creep stresses, and the ratio of the threshold stress to t
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23

Wu, Leixiao, Wei Cai, and Jie Yang. "Temperature/Stress-Dependent Fractional Creep Models of Thermoplastic Polymers." Polymers 17, no. 14 (2025): 1984. https://doi.org/10.3390/polym17141984.

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The creep behavior of thermoplastic polymeric materials is highly dependent on loading conditions, which must be accounted for in the intrinsic model. In this paper, fractional creep models have been developed to describe the temperature/stress-dependent creep/creep–recovery and accelerated creep damage behavior, with the construction of a criterion correlating model parameters with temperature and initial stress. The fractional order in the fractional creep/creep–recovery model can be physically interpreted by the well-known master curve, and the creep rupture time can be predicted by combini
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24

Tsukada, Yutaka, Hideo Nishimura, Hiroki Yamamoto, and Masao Sakane. "A Strain Rate Ratio Approach for Assessing Creep-Fatigue Life of 63Sn-37Pb Solder Under Shear Loading." Journal of Electronic Packaging 127, no. 4 (2004): 407–14. http://dx.doi.org/10.1115/1.2070091.

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This paper studies creep-fatigue life prediction under shear loading by making extensive torsion creep-fatigue experiments using four kinds of strain waves. The linear damage rule, strain range partitioning method, frequency modified fatigue life, and ductility exhaustion model were applied to the experimental data, but no methods accurately predicted the creep-fatigue life. A new method based on the strain rate ratio, which predicted the creep-fatigue life within a factor of 4 scatter band, was developed.
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25

Penny, R. K., and M. A. Weber. "Integrity Assessments of Components in the Creep Range." Journal of Engineering for Gas Turbines and Power 113, no. 4 (1991): 574–81. http://dx.doi.org/10.1115/1.2906280.

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Robust methods for the predictions of deformations and lifetimes of components operating in the creep range are presented. The ingredients used for this are well-tried numerical techniques, combined with the concepts of continuum damage and so-called reference stresses. The methods described are derived in order to obtain the maximum benefit during the early stages of design where broad assessments of the influences of material choice, loadings, and geometry need to be made quickly and with economical use of computers. It is also intended that the same methods will be of value during operation
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26

Nozaki, Mineo, Masao Sakane, Yutaka Tsukada, and Hideo Nishimura. "Creep-Fatigue Life Evaluation for Sn-3.5Ag Solder." Journal of Engineering Materials and Technology 128, no. 2 (2005): 142–50. http://dx.doi.org/10.1115/1.2172273.

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This paper studies the creep-fatigue life evaluation of Sn-3.5Ag solder under push-pull loading using fast-fast, fast-slow, slow-fast, slow-slow, and strain-hold strain waves. Extensive creep-fatigue data were generated using these strain waves and the applicability of four conventional creep-fatigue damage rules, the linear damage rule, the frequency modified fatigue life, the ductility exhaustion model, and the strain range partitioning method, was examined. No conventional damage rules evaluated creep-fatigue lives accurately. Only the grain boundary sliding model, developed recently for so
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27

Dyson, B. F., and F. A. Leckie. "Life Extension of High Temperature Components." Applied Mechanics Reviews 46, no. 5 (1993): 229–31. http://dx.doi.org/10.1115/1.3120343.

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Power producing plant operating at high temperature are designed for finite life. This is necessary because the operating conditions are sufficiently high to cause continuous growth of material damage. Failure occurs when damage reaches a critical value. Design is based on stress levels with an appropriate factor of safety. Since life is dependent on a strongly non-linear function of stress the actual life can be many times greater than the design life. In these circumstances it is then natural to explore the possibility of extending the working life. To increase the working life it is necessa
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28

Isono, Yoshitada, Masao Sakane, Masateru Ohnami, and Kazunari Fujiyama. "Multiaxial Low-Cycle Fatigue Damage Evaluation Using A. C. Potential Method for Alloy 738LC Superalloy." Journal of Engineering Materials and Technology 116, no. 4 (1994): 488–94. http://dx.doi.org/10.1115/1.2904318.

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This paper studies tension/torsion multiaxial low-cycle fatigue lives and creep-fatigue damage evaluation for Alloy 738LC superalloy. Tension/torsion creep-fatigue tests were carried out using hollow cylinder specimens and multiaxial creep-fatigue lives were obtained. The Mises’ equivalent strain correlated the multiaxial low cycle fatigue lives within a factor of two scatter band. An a.c. potential method is developed to detect the creep-fatigue damage associated with crack nucleation and extension. A.c. potentials at high frequencies accurately detect the creep-fatigue damage from the early
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29

Ray, Dipa, Mahuya Das, and Debarati Mitra. "Influence of alkali treatment on creep properties and crystallinity of jute fibres." BioResources 4, no. 2 (2009): 730–39. http://dx.doi.org/10.15376/biores.4.2.730-739.

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In this work, the effect of the alkali-treatment and its variables viz., time and concentration of alkali, on the creep properties of jute fibre were studied. It was demonstrated that this kind of treatment leads to several changes in fine structure, such as voids creation and fibre fibrillation. The creep behaviour was measured for the alkali treated as well as the dewaxed fibres. Creep value was much higher in the 17.5% NaOH treated fibres compared to the dewaxed fibres. In the 8 hrs treated fibres, the creep was slightly more than the 20 mins treated fibres. XRD study revealed that experime
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30

Ray, G. E. "The Hozameen fault system and related Coquihalla serpentine belt of southwestern British Columbia." Canadian Journal of Earth Sciences 23, no. 7 (1986): 1022–41. http://dx.doi.org/10.1139/e86-103.

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The Hozameen Fault of southwestern British Columbia is associated with the Coquihalla serpentine belt and separates two distinct crustal units. Northeast of the fault are greenstones of the Early Triassic (?) Spider Peak Formation, which are unconformably overlain by Jurassic to Cretaceous turbidite and successor basin deposits of the Pasayten Trough. The oldest sedimentary rocks in the trough, the Ladner Group, contain a locally developed basal unit that hosts the Carolin mine gold orebody. Southwest of the fault, the Permian to Jurassic Hozameen Group represents a dismembered ophiolite succe
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31

Dai, Yanwei, Yinghua Liu, Fei Qin, Yuh J. Chao, and Guian Qian. "C(t) dominance of the mixed I/II creep crack: Part II. Extensive creep." Theoretical and Applied Fracture Mechanics 106 (April 2020): 102489. http://dx.doi.org/10.1016/j.tafmec.2020.102489.

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32

Liu, Zhan Wei, Hui Min Xie, Peng Wan Chen, and Feng Lei Huang. "A Study of Creep Properties of Polymer Bonded Explosives." Advanced Materials Research 33-37 (March 2008): 407–12. http://dx.doi.org/10.4028/www.scientific.net/amr.33-37.407.

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Creep properties of polymer bonded explosives (PBXs), a particulate composite, was studied by using the method of moiré interferometry in this paper. The specimens fabricated by different heat pressing technology were used. Extensive creep deformation of PBXs material was indirectly measured by the aid of compressive circular disk test. The obtained results shown that creep properties are greatly influenced by pressing pressures and temperature of heat pressing technology. The results indicated that the higher the temperature and the pressing pressure are in the heat pressing technology to som
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33

Petalas, Alexandros L., Mats Karlsson, and Minna Karstunen. "Modelling of undrained shearing of soft natural clays." E3S Web of Conferences 92 (2019): 15001. http://dx.doi.org/10.1051/e3sconf/20199215001.

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stress-strain response of soft natural clays is characterised by anisotropy, destructuration and rate-dependency. An accurate constitutive description of these materials should take into consideration all of the characteristics above. In this paper, two constitutive models for soft soils, namely the SCLAY1S and Creep-SCLAY1S models are used to simulate the undrained response of two soft natural clays, Gothenburg clay from Sweden and Otaniemi clay from Finland. The SCLAY1S model accounts for the effect of inherent and induced anisotropy and destructuration, while the Creep-SCLAY1S accounts also
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34

Anderson, Duane C. "The Wittrock Excavations: Implications for the Study of Culture Process within the Initial Variant of the Middle Missouri Tradition." North American Archaeologist 7, no. 3 (1987): 215–41. http://dx.doi.org/10.2190/4mxy-1r3h-v0uv-j895.

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The Wittrock National Historic Landmark site is a fortified Mill Creek village in northwest Iowa. Although it has been excavated on four occasions, detailed reports on the two most extensive projects have only recently been made available. The purpose of this article is to utilize data derived from the Wittrock site to inform models of Mill Creek midden formation and Mill Creek culture process recently proposed by Anderson (1985a; 1985b). The article concludes that 1) the Wittrock midden resulted from the “banked house” method of trash dispersal; 2) a series of changes are warranted in Anderso
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35

Heckl, Astrid, Ralf Rettig, and Robert F. Singer. "Creep Rupture Strength of Re and Ru Containing Experimental Nickel-Base Superalloys." Advanced Materials Research 278 (July 2011): 339–44. http://dx.doi.org/10.4028/www.scientific.net/amr.278.339.

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The influence of Re and Ru on creep rupture strength has been investigated using a new in-house designed alloy-series comprising 9 experimental nickel-base superalloys with stepwise increased Re and Ru additions. The presented creep data reveals a significant increase in creep rupture strength by additions of Re. For additions of Ru an increase of creep rupture strength can only be found for low Re contents. The present article, which is part of an extensive and systematic investigation on Re and Ru influences, shows, that an improved creep resistance by an influence of Re and Ru on the γ’-sol
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36

Takeda, Hiroyoshi, and Takao Inukai. "A study on creep crack propagation behaviour of aged CrMoV for a long term used turbine." Strength, Fracture and Complexity: An International Journal 4, no. 2 (2006): 93–101. https://doi.org/10.3233/sfc-2006-074.

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The rotor and casing parts of steam turbines exposed high temperature and high stress for extensive periods are deteriorated by correlation between creep and fatigue. Microcrack initiates and coalesce with the main crack under creep condition. In order to apply to steam turbine components for creep crack propagation evaluation, the most suitable parameter must be selected for creep crack propagation evaluations of degrade CrMoV. Therefore, in this study, the experimental characteristics of the creep crack propagation behaviour have been investigated by both FEM analysis and creep burst test of
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37

Kooi, Henk, and Gilles Erkens. "Creep consolidation in land subsidence modelling; integrating geotechnical and hydrological approaches in a new MODFLOW package (SUB-CR)." Proceedings of the International Association of Hydrological Sciences 382 (April 22, 2020): 499–503. http://dx.doi.org/10.5194/piahs-382-499-2020.

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Abstract. Creep and secondary consolidation are important phenomena in settlement caused by surface loads, but not commonly considered in land subsidence driven by groundwater extraction. To explore the role of creep in such settings, a new MODFLOW-2005 land subsidence package was developed that incorporates a creep formulation gleaned from geotechnical software. This formulation, which is based on the isotache concept, is an extension of, and incorporates the classical elastoplastic compression model of Terzaghi as a limiting case. The package is introduced, and results are presented of an ap
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38

Sakurada, Eisaku, and Takashi Matsuo. "Change in Stress Axis with Creep Deformation in PST Crystal." Advanced Materials Research 15-17 (February 2006): 858–63. http://dx.doi.org/10.4028/www.scientific.net/amr.15-17.858.

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The superiority of creep in Ti-48at%Al alloy with fully transformed lamellar structure to that in Ti-50at%Al alloy with γ single phase is characterized by the extension of transient stage. This extension of the transient stage derives by the retarding effect of α2 plate on the onset of the accelerating stage, through suppressing the dynamically recrystallization which is the main reason of the accelerating stage. This superiority in Ti-48at%Al alloy will become more clear by investigating the creep of the single crystal designated as the PST crystal, because of removing the grain boundaries wh
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39

Herranz, L. E., and F. Feria. "Extension of the FRAPCON-3.3 creep model to dry storage conditions." Progress in Nuclear Energy 52, no. 7 (2010): 634–39. http://dx.doi.org/10.1016/j.pnucene.2010.04.003.

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40

Wilshire, B. "New high-precision creep procedures for accurate life extension of plant." International Journal of Pressure Vessels and Piping 39, no. 1-2 (1989): 73–82. http://dx.doi.org/10.1016/0308-0161(89)90039-2.

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41

Ghosh, R. N., S. Chaudhuri, N. Roy, and L. Chattopadhyay. "Creep life extension of high temperature components under wall thinning conditions." Sadhana 20, no. 1 (1995): 331–39. http://dx.doi.org/10.1007/bf02747296.

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42

Kun, Ferenc, Raul Cruz Hidalgo, Frank Raischel, and Hans J. Herrmann. "Extension of fibre bundle models for creep rupture and interface failure." International Journal of Fracture 140, no. 1-4 (2006): 255–65. http://dx.doi.org/10.1007/s10704-005-2556-4.

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43

Fujiyama, Kazunari, Shuhei Higashide, and Kazuki Nomoto. "Notched Creep Damage Assessment Based on EBSD Observation for Austenitic Stainless Steel." Materials Science Forum 941 (December 2018): 420–25. http://dx.doi.org/10.4028/www.scientific.net/msf.941.420.

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Creep damage processes for smooth and notched specimen of austenitic stainless steel through interrupted creep tests using multiple specimens. The material used was 18-8 stainless steel for boiler tube use. The mid-sections of interrupted creep test specimens were observed through SEM(Scanning Electron Microscope) instrumented with EBSD(Electron BackScatter Diffraction patter) equipment. IPF(Inverse Pole Figure) maps, Phase maps and GOS(Grain Orientation Spread) maps were used for investigating creep damage process. For smooth specimen, the relationship between macroscopic creep time fraction
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44

Mehmanparast, Ali, Catrin M. Davies, and Kamran Nikbin. "Quantification and Prediction of Residual Stresses in Creep Crack Growth Specimens." Materials Science Forum 777 (February 2014): 25–30. http://dx.doi.org/10.4028/www.scientific.net/msf.777.25.

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An important issue to be considered in the life assessment of power plant components is the effects of prior creep damage on subsequent fatigue crack growth and fracture behavior. To examine these effects, creep damage has been introduced into 316H stainless steel material by interrupting creep crack growth (CCG) tests on compact tension, C(T), specimens at 550 °C. During the CCG tests, the specimen is loaded in tension, crept and unloaded after a small amount of crack extension. This process introduces compressive residual stress fields at the crack tip, which may subsequently affect the fati
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45

Sattar, Mohsin, Abdul Rahim Othman, Maaz Akhtar, et al. "Curve Fitting for Damage Evolution through Regression Analysis for the Kachanov–Rabotnov Model to the Norton–Bailey Creep Law of SS-316 Material." Materials 14, no. 19 (2021): 5518. http://dx.doi.org/10.3390/ma14195518.

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In a number of circumstances, the Kachanov–Rabotnov isotropic creep damage constitutive model has been utilized to assess the creep deformation of high-temperature components. Secondary creep behavior is usually studied using analytical methods, whereas tertiary creep damage constants are determined by the combination of experiments and numerical optimization. To obtain the tertiary creep damage constants, these methods necessitate extensive computational effort and time to determine the tertiary creep damage constants. In this study, a curve-fitting technique was proposed for applying the Kac
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46

Ainsworth, R. A., M. B. Ruggles, and Y. Takahashi. "Flaw Assessment Procedure for High-Temperature Reactor Components." Journal of Pressure Vessel Technology 114, no. 2 (1992): 166–70. http://dx.doi.org/10.1115/1.2929024.

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An interim high-temperature flaw assessment procedure is described. This is a result of a collaborative effort between Electric Power Research Institute in the US, Central Research Institute of Electric Power Industry in Japan, and Nuclear Electric plc in the UK. The procedure addresses pre-existing defects subject to creep-fatigue loading conditions. Laws employed to calculate the crack growth per cycle are defined in terms of fracture mechanics parameters and constants related to the component material. The crack growth laws may be integrated to calculate the remaining life of a component or
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47

Tu, S.-T., and X. Ling. "Interpretation of damage mechanics behaviour of two-bar structures for the life extension of high-temperature components." Journal of Strain Analysis for Engineering Design 38, no. 2 (2003): 125–32. http://dx.doi.org/10.1243/030932403321163659.

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The creep damage behaviour of two-bar structures of different dimensions and materials is studied in terms of continuum damage theory. The basic model is used to interpret the effectiveness of life extension measures for complicated structures. It is found that replacement of the more damaged component prior to rupture will result in an optimized life extension efficiency, depending on the geometric or material difference between the damaged and less damaged components. This has potential to provide guidance on the effectiveness of life extension repairs in high-temperature plants.
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48

Chen, Zhao, Mahdiar Dargahi, and Luca Sorelli. "The Effect of Relative Humidity on Creep Behavior of Cement Paste Microprism." Materials 18, no. 2 (2025): 406. https://doi.org/10.3390/ma18020406.

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Despite decades of extensive studies, the mechanism of concrete creep remains a subject of debate, mainly due to the complex nature of cement microstructure. This complexity is further amplified by the interplay between water and the cement microstructure. The present study aimed to better understand the creep mechanism through creep tests on microprisms of cement paste at hygral equilibrium. First, microprisms with dimensions of 150 mm × 150 mm × 300 mm were prepared by precision cutting from a cement paste specimen with a water-to-cement ratio of 0.4. Subsequently, uniaxial compression and c
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49

Tribula, D., and J. W. Morris. "Creep in Shear of Experimental Solder Joints." Journal of Electronic Packaging 112, no. 2 (1990): 87–93. http://dx.doi.org/10.1115/1.2904363.

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Thermal fatigue failures of solder joints in electronic devices are a great concern in the electronics industry. Since the fatigue load is often in shear the details of thermal fatigue failure in shear are of particular interest. Recent work indicates that similar failure mechanisms operate in both thermal fatigue in shear and unidirectional creep in shear. Additionally, since the operative temperatures during thermal fatigue represent high solder homologous temperatures, creep deformation is certainly involved. These factors and the relative case of conducting creep experiments encourage the
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50

Dong, Jinyu, Tanyu Wang, and Yawen Zhao. "Experimental Study on Shear Creep Characteristics of Residual Soil with Different Stone Content." Applied Sciences 14, no. 15 (2024): 6829. http://dx.doi.org/10.3390/app14156829.

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The residual soil on a slope can slowly move downward under the influence of gravity, forming a creep landslide. These types of landslides are known for their extensive coverage, significant magnitude, and prolonged duration of hazard. A systematic study of the creep properties of creep landslide geotechnical bodies is essential for the analysis of the deformation process and long-term safety evaluation of landslides. This paper focuses on studying a creep landslide involving residual soil in western Henan Province. The creep characteristics of residual soil with different stone content are in
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