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Zeitschriftenartikel zum Thema „Ductility“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 25. Juli 2025

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1

Mander, John B. "Beyond ductility." Bulletin of the New Zealand Society for Earthquake Engineering 37, no. 1 (2004): 35–44. http://dx.doi.org/10.5459/bnzsee.37.1.35-44.

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Although the precepts of capacity design and detailing for ductile performance are now well established, the end-user community is now demanding more in terms of predictable performance with an expectation that structures should survive earthquakes with minimal and preferably no damage. The paper first explains the shortcomings of present designs from a probabilistic fragility point-of-view, and then goes on to explain how performance can be improved by making a paradigm shift. This paper examines the emerging quest where structural engineering researchers are investigating design alternatives

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2

Zhu, Yuntian T., and Xiaozhou Liao. "Retaining ductility." Nature Materials 3, no. 6 (2004): 351–52. http://dx.doi.org/10.1038/nmat1141.

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3

Reyes-Salazar, Alfredo. "Ductility and ductility reduction factor for MDOF systems." Structural Engineering and Mechanics 13, no. 4 (2002): 369–85. http://dx.doi.org/10.12989/sem.2002.13.4.369.

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4

Darveaux, Robert, Michael Johnson, and Corey Reichman. "Solder Joint Ductility." International Symposium on Microelectronics 2012, no. 1 (2012): 001046–56. http://dx.doi.org/10.4071/isom-2012-thp15.

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Solder joint arrays were tested under tensile loading to determine the strain-to-failure (ductility) under a wide range of conditions. The trends in ductility with alloy, joint size, pad metallization, and test conditions were quantified and discussed. 63Sn37Pb solder joints showed a significant increase in ductility as applied stress is reduced below 40MPa. Lead free alloy ductility was much less sensitive to applied stress level. Hence, at low stress levels, eutectic SnPb has greater ductility than the lead free alloys. Larger joints showed greater ductility in a constant crosshead rate test

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5

Grocholski, Brent. "Pathways for ductility." Science 370, no. 6512 (2020): 70.12–72. http://dx.doi.org/10.1126/science.370.6512.70-l.

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6

Sealy, Cordelia. "Defects define ductility." Materials Today 10, no. 4 (2007): 15. http://dx.doi.org/10.1016/s1369-7021(07)70041-x.

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7

Gensamer, Maxwell. "Strength and Ductility." Metallography, Microstructure, and Analysis 6, no. 2 (2017): 171–85. http://dx.doi.org/10.1007/s13632-017-0341-1.

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8

Wang, H., Y. Zhang, and S. Qin. "A Study on Ductility of Prestressed Concrete Pier Based on Response Surface Methodology." Engineering, Technology & Applied Science Research 6, no. 6 (2016): 1253–57. http://dx.doi.org/10.48084/etasr.855.

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The ductility of prestressed concrete pier is studied based on response surface methodology. Referring to the pervious prestressed concrete pier, based on Box-Behnken design, the ductility of 25 prestressed concrete piers is calculated by numerical method. The relationship between longitudinal reinforcement ratio, shear reinforcement ratio, prestressed tendon quantity, concrete compressive strength and ductility factor is gotten. The influence of the longitudinal reinforcement ratio, the shear reinforcement ratio, the prestressed tendon quantity and concrete compressive strength to curvature d

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Wang, H., Y. Zhang, and S. Qin. "A Study on Ductility of Prestressed Concrete Pier Based on Response Surface Methodology." Engineering, Technology & Applied Science Research 6, no. 6 (2016): 1253–57. https://doi.org/10.5281/zenodo.225511.

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The ductility of prestressed concrete pier is studied based on response surface methodology. Referring to the pervious prestressed concrete pier, based on Box-Behnken design, the ductility of 25 prestressed concrete piers is calculated by numerical method. The relationship between longitudinal reinforcement ratio, shear reinforcement ratio, prestressed tendon quantity, concrete compressive strength and ductility factor is gotten. The influence of the longitudinal reinforcement ratio, the shear reinforcement ratio, the prestressed tendon quantity and concrete compressive strength to curvature d

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Urbini, Flavio, Emanuela Caracuzzo, Antonio Chirumbolo, and Antonino Callea. "Individual and Organizational Ductility: Conceptualization, Development, and Validation of a New Scale." Behavioral Sciences 14, no. 6 (2024): 511. http://dx.doi.org/10.3390/bs14060511.

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In this article, we conceptualize a new construct named “ductility” and propose a measurement instrument. We examine psychometric properties—the factorial validity and reliability of the Ductility Scale in Italy. The results of exploratory factor analysis showed that the scale has a two-factor structure, namely, individual and organizational ductility. The scale reliability was excellent for both dimensions (individual ω = 0.82; organizational ω = 0.85). The participants were employees from private and public organizations (n = 466). We tested the construct validity of the Ductility Scale. The

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Rakhshanimehr, Mehrollah, M. Reza Esfahani, M. Reza Kianoush, B. Ali Mohammadzadeh, and S. Roohollah Mousavi. "Flexural ductility of reinforced concrete beams with lap-spliced bars." Canadian Journal of Civil Engineering 41, no. 7 (2014): 594–604. http://dx.doi.org/10.1139/cjce-2013-0074.

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In this paper, the flexural ductility of lap-spliced reinforced concrete (RC) beams is experimentally investigated. Twenty-four specimens were designed and manufactured for laboratory experiments. Concrete compressive strength, amount of transverse reinforcement over the splice length, and the diameter of longitudinal bars were selected as the main variables. The ductility of tested specimens is evaluated based on a previously defined ductility ratio. Results show that concrete strength and amount of transverse reinforcement over the splice have major effects on ductility. With an appropriate

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Holdsworth, Stuart. "Creep-Ductility of High Temperature Steels: A Review." Metals 9, no. 3 (2019): 342. http://dx.doi.org/10.3390/met9030342.

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A number of measures of the creep-ductility of high temperature steels are reviewed with an ultimate focus on intrinsic creep-ductility. It is assumed that there will be a future requirement for the determination of long duration creep ductility values for design and product standards in the same way as there is currently for creep strength values. The determination of such information will require specialist modelling techniques to be applied to the complex nature of multi-temperature, multi-heat (multi-cast) data collations, and possible solutions are considered. In service, the exhaustion o

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Hemamathi, A., K. P. Jaya, and Binu Sukumar. "Evaluation of Ductility of Precast Column Foundation Connections." Indian Journal Of Science And Technology 16, no. 20 (2023): 1516——1526. http://dx.doi.org/10.17485/ijst/v16i20.2306.

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14

Wang, Hui Ying. "Influence of High Mode Effects on Ductility Reduction Factors for MDOF Shear-Type Structures." Applied Mechanics and Materials 578-579 (July 2014): 412–16. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.412.

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The influences of high mode effect on ductility reduction factors for multi-degree-of-freedom (MDOF) systems are studied by modifying ductility reduction factors for equivalent single-degree-of-freedom (SDOF) systems. Based on MDOF lumped-mass shear-type models, nonlinear dynamic time history analysis are performed to investigate the influence of ductility demand increase owing to high mode effect on ductility reduction factors. An empirical estimating model of MDOF modification factor is proposed. The results demonstrate that ductility reduction factors for MDOF systems are clearly smaller th

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Hosen, Md Akter, Mahaad Issa Shammas, Sukanta Kumer Shill, Safat Al-Deen, Mohd Zamin Jumaat, and Huzaifa Hashim. "Ductility Enhancement of Sustainable Fibrous-Reinforced High-Strength Lightweight Concrete." Polymers 14, no. 4 (2022): 727. http://dx.doi.org/10.3390/polym14040727.

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To limit the cross-sectional size of concrete structures, high-strength, lightweight concrete is preferred for the design and construction of structural elements. However, the main drawback of high-strength, lightweight concrete is its brittleness over normal-weight concrete. The ductility of concrete is a crucial factor, which plays an important role when the concrete structures are subjected to extreme situations, such as earthquakes and wind. This study aims to improve the ductility of high-strength, lightweight concrete by incorporating steel fibers. The palm oil clinker (POC)-based, high-

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Grzeszykowski, Bartosz, and Elżbieta Danuta Szmigiera. "Experimental Investigation on the Vertical Ductility of Rectangular CFST Columns Loaded Axially." Materials 15, no. 6 (2022): 2231. http://dx.doi.org/10.3390/ma15062231.

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A total of 5 steel and 21 rectangular composite concrete-filled steel tube (CFST) columns of moderate slenderness were tested to investigate their ductility under axial compression. The importance of the vertical ductility of columns was discussed, and a novel ductility measure was proposed and utilized to examine the ductility of tested specimens. The analyses showed that the ductility of axially compressed CFST columns highly depends on their failure mode. The key feature influencing the ductility is their ability to dissipate the energy of imposed loads. The larger the volume of a material

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Foroughi, Saeid, and S. Bahadir Yuksel. "A New Approach for Determining the Curvature Ductility of Reinforced Concrete Beams." Slovak Journal of Civil Engineering 30, no. 1 (2022): 8–20. http://dx.doi.org/10.2478/sjce-2022-0002.

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Abstract This paper presents a numerical parametric study of the moment-curvature and curvature ductility of doubly-reinforced beams with different parameters. The effects of the strength of the concrete and the amount of the reinforcement, including the tensile and compression reinforcement on the complete moment-curvature behavior and the curvature ductility factor of the beam sections, have been studied. A new predictive formula for the ductility factor of beam sections that considers the different parameters has been developed. In a continuation of the study, the flexural ductility of beam

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Hu, Jinjun, Qinghui Lai, Xuan Liu, and Lili Xie. "Effects of Structural and Seismic Factors on the Constant-Strength Ductility Spectra Based on NGA-West2 Database." Shock and Vibration 2020 (July 27, 2020): 1–10. http://dx.doi.org/10.1155/2020/8820582.

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The constant-strength ductility spectrum is a nonlinear response spectrum that is commonly used to establish the demand curve of the seismic response during performance-based seismic design. It is affected by many factors. In this paper, to evaluate the effect of the major influencing factors, including the structural parameters and seismic factors, the constant-strength ductility spectrum is calculated under different conditions based on 5535 ground motion records. Conclusions are drawn based on the mean constant-strength ductility spectra. (1) With respect to the effects of structural factor

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Koch, C. C., D. G. Morris, K. Lu, and A. Inoue. "Ductility of Nanostructured Materials." MRS Bulletin 24, no. 2 (1999): 54–58. http://dx.doi.org/10.1557/s0883769400051551.

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Ductility is defined as the ability of a material to change shape without fracture. It is of critical importance for engineering materials for both manufacturability and Performance. Measures of ductility include percent elongation (uniform plastic flow prior to mechanical instability—necking—or fracture) and percent reduction in area. Fracture toughness is also some measure of potential ductility. Engineering materials exhibit wide variations in ductility which can often limit their application.Ductility is a property of nanocrystalline materials which might be predicted to be enhanced by ext

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Morales-Rivas, Lucia, Carlos Garcia-Mateo, Thomas Sourmail, Matthias Kuntz, Rosalia Rementeria, and Francisca Caballero. "Ductility of Nanostructured Bainite." Metals 6, no. 12 (2016): 302. http://dx.doi.org/10.3390/met6120302.

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21

El-Magd, E., H. Scholles, and H. Weisshaupt. "Dynamic Ductility of Metals." Le Journal de Physique IV 07, no. C3 (1997): C3–349—C3–354. http://dx.doi.org/10.1051/jp4:1997361.

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22

Yoshimura, Toshihiko, Kousuke Takeda, Hitoshi Sasaki, and Masaya Tatsui. "High ductility carbon nanoball." Applied Surface Science 256, no. 1 (2009): 112–15. http://dx.doi.org/10.1016/j.apsusc.2009.07.100.

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23

Paulay, Thomas. "Ductility in Seismic Design." Structural Engineering International 2, no. 1 (1992): 19–22. http://dx.doi.org/10.2749/101686692780616922.

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24

NZSEE Study Group. "Structures of limited ductility." Bulletin of the New Zealand Society for Earthquake Engineering 19, no. 4 (1986): 285–336. http://dx.doi.org/10.5459/bnzsee.19.4.285-336.

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Russell, A. M. "Ductility in Intermetallic Compounds." Advanced Engineering Materials 5, no. 9 (2003): 629–39. http://dx.doi.org/10.1002/adem.200310074.

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26

Bazhenov, S., J. X. Li, A. Hiltner, and E. Baer. "Ductility of filled polymers." Journal of Applied Polymer Science 52, no. 2 (1994): 243–54. http://dx.doi.org/10.1002/app.1994.070520211.

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27

Sarhan, Osamah. "Evaluation of the effect of shear wall with and without opening on the ductility of RC structure." International Journal of Advanced Engineering, Sciences and Applications 2, no. 2 (2021): 16–20. http://dx.doi.org/10.47346/ijaesa.v2i2.72.

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The ductility of a structure is an important factor that should be taken under consideration in the design against lateral loads like an earthquake. This paper presents the effect of the shear wall on the ductility of the structure and the effects of the presence of opining in it on the ductility. Eighteen 2D moment-resisting frames (MRFs), with the shear wall (SW) and SW with opening structural models, were created and designed. The pushover analyses using ETABS 19 software were performed on the designed models to calculate the ductility of the structural models. The obtained results show tha

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Yuan, Jiansong, Danying Gao, Yin Zhang, and Haitang Zhu. "Improving Ductility for Composite Beams Reinforced with GFRP Tubes by Using Rebars/Steel Angles." Polymers 14, no. 3 (2022): 551. http://dx.doi.org/10.3390/polym14030551.

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The ductile behaviour of composite beams reinforced with glass fibre-reinforced polymer (GFRP) pultruded rectangular tubes was investigated in this paper. The composite beams were reinforced with GFRP tubes and different steel products, aiming to improve their ductility by using steel products. The main parameters were the types of the steel reinforcement, namely rebars and steel angles. The flexural behaviour of four beam specimens was tested by using a four-point bending test. The experimental results show that the yield load of the specimens was determined by the steel products and the ulti

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Wojcik, Tomasz, and Ernst Kozeschnik. "Influence of NbC-Precipitation on Hot Ductility in Microalloyed Steel - TEM Study and Thermokinetic Modeling." Materials Science Forum 879 (November 2016): 2107–12. http://dx.doi.org/10.4028/www.scientific.net/msf.879.2107.

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One of the main challenges during continuous casting of microalloyed steel is to avoid the formation of transverse surface cracks on the steel slabs. These cracks occur due to severe mechanical and thermal stresses in the strand during the straightening operation. The reason for this phenomenon is a ductility loss of austenite in a typical temperature range of 700°C - 1100°C. One of the main mechanisms reducing the ductility is the precipitation of carbides and nitrides. In this work, we correlate ductility loss and precipitation state accompanying two model cooling strategies in a microalloye

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Reyes-Salazar, Alfredo, Edén Bojórquez, Juan Bojorquez, Federico Valenzuela-Beltran, and Mario D. Llanes-Tizoc. "Energy Dissipation and Local, Story, and Global Ductility Reduction Factors in Steel Frames under Vibrations Produced by Earthquakes." Shock and Vibration 2018 (October 14, 2018): 1–19. http://dx.doi.org/10.1155/2018/9713685.

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Ductility plays a central role in seismic analysis and design of steel buildings. A numerical investigation regarding the evaluation of energy dissipation, ductility, and ductility reduction factors for local, story, and global structural levels is conducted. Some steel buildings and strong motions, which were part of the SAC Steel Project, are used. Bending local ductility capacity (µLϕ) of beams can reach values of up to 20, as shown in experimental investigations. The values are larger for medium than for low-rise buildings, reflecting the effect of the structural complexity on µLϕ. Most of

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Li, Yan Yan, Jin Li Qiao, and Jian Xin Zhang. "Experimental Research on Ductility and Bearing Capacity of T-Shaped Columns with HRB500 Reinforcement." Applied Mechanics and Materials 166-169 (May 2012): 1450–53. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.1450.

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In order to research the effect of stirrup ratio on ductility and bearing capacity of T-shaped columns with HRB500 reinforcement, three T-shaped columns with HRB500 reinforcement were tested under low cyclic loading. The damage characteristic, hysteretic curve, yield load, ultimate load, displacement ductility and curvature ductility were analyzed. It is shown that the T-shaped column with HRB500 reinforcement have excellent ductility, higher bearing capacity and better deformation behavior, which can meet the requirement of anti-seismic design. With the increase of stirrup ratio, the curvatur

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Galishnikova, Vera V., Paschal Chimeremeze Chiadighikaobi, and Dafe Aniekan Emiri. "Comprehensive view on the ductility of basalt fiber reinforced concrete focus on lightweight expanded clay." Structural Mechanics of Engineering Constructions and Buildings 15, no. 5 (2019): 360–66. http://dx.doi.org/10.22363/1815-5235-2019-15-5-360-366.

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Relevance. Ductility of basalt fiber reinforced concrete is an interesting property of basalt fiber reinforced concrete. However, very few experiments on this property is documented. The aim of the work. This paper provides a summarized analysis and review of existing publications on the ductility of lightweight basalt fiber reinforced concrete. Methods. This paper provides a comprehensive study on ductility of basalt reinforced concrete and lays the framework for proper laboratory experiment on the ductility of basalt fiber reinforced concrete. Results. From the findings of this review paper,

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Morris, David G., Maria A. Muñoz-Morris, and Ivan Gutierrez-Urrutia. "The Influence of Work Hardening, Internal Stresses, and Stress Relaxation on Ductility of Ultrafine Grained Materials Prepared by Severe Plastic Deformation." Materials Science Forum 633-634 (November 2009): 263–72. http://dx.doi.org/10.4028/www.scientific.net/msf.633-634.263.

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Ultrafine grained materials prepared by methods of severe plastic deformation appear to show good ductility for their high strength. To a large extent this ductility enhancement, for the given strength, is shown to correspond to the fracture ductility and not the uniform ductility at maximum stress. The improved fracture ductility is often due to the refinement or removal of the coarse defects that act as sites for failure nucleation. The low work hardening rate inherent to the very fine microstructures produced by severe plastic deformation essentially condemns such materials to very low unif

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Liu, Kang. "Experimental Study on the Ductility of SIFCON Blocks." Advanced Materials Research 838-841 (November 2013): 530–34. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.530.

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This paper investigates the ductility of SIFCON blocks with various structural measures adopted to further increase their ductility. Ten SIFCON blocks with various designs were tested using a compression machine to investigate their ductility. The variables examined included fiber alignment, confinement, perforation, and longitudinal bars. Results of the tests indicated that SIFCON blocks with confinement in the form of stirrups and additional perforation can produce better ductility than others.

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Oshida, Yoshiki, P. C. Chen, J. D. Reid, and T. Nishihara. "Time-Dependent Ductility of Electro-Deposited Copper." Journal of Electronic Packaging 114, no. 4 (1992): 448–54. http://dx.doi.org/10.1115/1.2905479.

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Mechanical ductility property of copper deposits is one of the most important factors necessary to provide a reliable component for the flexible printed circuit boards. Copper deposits are usually fabricated by either an electroless technique or an electrode position process. Among many parameters controlling the deposits quality, it is believed that the current density, bath temperature, the film thickness, annealing temperature and time, and the presence of impurities exhibit particularly strong influences on the mechanical ductility property. In our preliminary studies, it was found that th

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Qiu, Bomin, Jianping Han, and Jun Li. "Numerical Simulation on Aftershock Fragility of Low-Ductility RC Frames under Different Mainshock-Induced Damage Conditions." Buildings 14, no. 6 (2024): 1519. http://dx.doi.org/10.3390/buildings14061519.

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Aftershocks typically occur multiple times following major earthquakes, potentially inflicting enhanced damage. It is crucial to quantify the impact of aftershocks on the seismic performance of low-ductility reinforced concrete (RC) frames with different mainshock-induced damage states. For this purpose, this study investigated the aftershock fragility of low-ductility RC frames with different damage states induced by mainshocks via the case study of a six-story RC frame without a seismic design. The models of the low-ductility RC frames with different damage states were established via OpenSe

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Zhao, Weifeng, Xiaoquan Hu, and Zhilin Long. "Seismic Ductility Reduction of Flexural-type Structures with Vertical Irregularities." Open Civil Engineering Journal 10, no. 1 (2016): 1–11. http://dx.doi.org/10.2174/1874149501610010001.

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Seismic ductility reduction factors for flexural-type structures with vertical irregularities subjected to pulse-like and non-pulse-like ground motions are investigated in this paper. By establishing various multi-node flexural cantilever-column models, the ductility reduction factor of vertically irregular structures is studied by modifying the ductility reduction factor of irregular structures. The effects of various factors such as ductility level, irregular ratio and pulse-like earthquake excitation on modification coefficient are also explored. The analysis results reveal that: 1) the mod

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Zhai, Chang Hai, Hong Bo Liu, Ning Li, and Li Li Xie. "The Hysteretic Energy Analysis of Inelastic Structures during the Earthquake." Key Engineering Materials 348-349 (September 2007): 365–68. http://dx.doi.org/10.4028/www.scientific.net/kem.348-349.365.

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The hysteretic energy is an important parameter to measure the plastic cumulative damage of structures during earthquake. In this paper, with a great number of ground motions collected in the 1999 Chi-Chi, Taiwan, earthquake, the main features of constant-ductility hysteretic energy spectra is analyzed. And the effects of site condition, structural period, ductility level, damping on hysteretic energy are investigated. It is concluded that for a given period, spectra decrease with ductility ratio increases. And as the ductility ratio increase, the spectra will be closer. In the short-period re

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Sadykov, D. I., A. M. Mavlyutov, and T. S. Orlova. "Enhanced Ductility of High-Strength Ultrafine-Grained Aluminum Alloys at Ambient Temperature (Review)." Reviews on Advanced Materials and Technologies 4, no. 2 (2022): 1–14. http://dx.doi.org/10.17586/2687-0568-2022-4-2-1-14.

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Bulk nanostructured, or ultrafine-grained metals and alloys structured by severe plastic deformation (SPD) methods usually demonstrate high strength and reduced ductility. The poor ductility is a critical issue which limits their practical applications. Significant efforts were made to improve tensile ductility of the SPD-processed metallic materials while keeping sufficiently high strength. In this paper we present a short overview of the developed approaches for simultaneous improvement of the strength and ductility of Al-based alloys with an emphasis on the recent finding and physical reaso

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Kapoor, R., P. S. De, and Rajiv S. Mishra. "An Analysis of Strength and Ductility of Ultrafine Grained Al Alloys." Materials Science Forum 633-634 (November 2009): 165–77. http://dx.doi.org/10.4028/www.scientific.net/msf.633-634.165.

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This paper brings together and compares data of various ultrafine grained (UFG) Al alloys processed through different routes. In general, the trend of decreasing ductility with increasing strength was observed for the UFG alloys. As compared to the coarse grained (CG) alloys, the UFG alloys show a lower ductility, a lower extent of work-hardening and a lower uniform elongation. Unlike the CG alloys, which show a large fraction of uniform to total elongation, in UFG alloys this fraction varies with processing technique. It is shown here that aging of some UFG Al alloys improves ductility. Furth

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Ming, Kaisheng, Linlin Li, Zhiming Li, Xiaofang Bi, and Jian Wang. "Grain boundary decohesion by nanoclustering Ni and Cr separately in CrMnFeCoNi high-entropy alloys." Science Advances 5, no. 12 (2019): eaay0639. http://dx.doi.org/10.1126/sciadv.aay0639.

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The loss of ductility with temperature has been widely observed in tensile tests of single-phase face-centered cubic structured high-entropy alloys (HEAs). However, the fundamental mechanism for such a ductility loss remains unknown. Here, we show that ductility loss in the CrMnFeCoNi HEA upon deformation at intermediate temperatures is correlated with cracking at grain boundaries (GBs). Nanoclustering Cr, Ni, and Mn separately at GBs, as detected by atom probe tomography, reduces GB cohesion and promotes crack initiation along GBs. We further demonstrated a GB segregation engineering strategy

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Tandita, Alfetra Henoch, Yuskar Lase, Adi Prakoso, and Mulia Orientilize. "Experimental and Numerical Analysis of Spun Pile-to-Pile Cap Connection with Reinforced Concrete infill Under Cyclic Loading." Rekayasa Sipil 16, no. 3 (2022): 207–15. http://dx.doi.org/10.21776/ub.rekayasasipil.2022.016.03.8.

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Numerical study was conducted by using ABAQUS software to investigate two issues on spun pile connections. The issues are usage of non-shrinkage concrete infill cast inside hollow of pile and ductility. An experimental test was carried out to investigate the effect of two different concrete infill types which were common concrete fc’ 35 MPa and non-shrinkage concrete fc’ 54 MPa. A finite element model was validated against experimental test. The results were compared in terms of hysteresis curve, ductility, and performance level. Ductility is one of the important parameters to describe perform

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Hong, Dae-Geun, Sang-Hum Kwon, and Chang-Hee Yim. "Hot Ductility Prediction Model of Cast Steel with Low-Temperature Transformed Structure during Continuous Casting." Materials 15, no. 10 (2022): 3513. http://dx.doi.org/10.3390/ma15103513.

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When various alloying elements are added or the cooling rate is increased, steel grades with U- or V-typed ductility behavior show N-shaped ductility behavior in which the ductility decreases in the low-temperature region. This study proposes a method that uses N-shaped data fitting and random forest to predict ductility behavior of steel grades that have bainite microstructure. To include the phenomenon in which that ductility decreases below the intermediate temperature, the data range was extended to temperature T < 700 °C. To identify the T range in which the ductility decreases at T &l

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A, Hemamathi, P. Jaya K, and Sukumar Binu. "Evaluation of Ductility of Precast Column Foundation Connections." Indian Journal of Science and Technology 16, no. 20 (2023): 1516–26. https://doi.org/10.17485/IJST/v16i20.2306.

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Abstract <strong>Objectives:</strong> To investigate and compare the ductility performance of precast column foundation connection using the method proposed by Park and ASCE 31-03. <strong>Methods:</strong> Strength and ductility are the most important parameters to resist earthquake forces for the overall safety of a structure. Evaluating ductility from experiments is a cumbersome process. From the experimentally obtained load-displacement envelope, the ductility was evaluated for four specimens of precast column foundation connection by the method proposed by Park and Paulay (

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Hu, Ying, Zi Xiong Chen, Ming Kui Xiao, Ying Ming Li, and Yong Jun Liu. "Assessment of Connection Ductility in Fire." Applied Mechanics and Materials 353-356 (August 2013): 2305–12. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2305.

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Catenary action has been regarded as a viable load-carrying mechanism in fire for providing structural robustness to steel framed buildings, and this loading mechanism heavily relies on connection strength and ductility under exceptional loading conditions. However, the current code of practice has no detailed guidance on estimation of the connection ductility. This paper is dedicated to demonstration of how to quantify connection ductility in a fire or non-fire situation through the component-based approach. Connection ductility has been evaluated with emphasis on elongation and strength of c

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Du, Jin Sheng, and Xue Liang Chang. "Ductility of Partially Prestressed Concrete Beam." Key Engineering Materials 302-303 (January 2006): 720–24. http://dx.doi.org/10.4028/www.scientific.net/kem.302-303.720.

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Ductility of partially prestressed concrete beams was numerically analyzed. For a given value of reinforcement index, corresponding curvature ductility factors of an unbonded prestressed concrete beam as well as a bonded prestressed concrete beam are analyzed and compared. It is generally observed that, when reinforcement index is between 0.20 and 0.30, the ductility factor of an unbonded beam is higher than that of bonded one about 10 to 15 percent. While reinforcement index is between 0.15 and 0.20, the ductility factor of an unbonded beam is near that of bonded one. When reinforcement index

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Zhang, Feiyan, Xiang Liu, Fang-Wen Ge, and Chenxing Cui. "Investigation on the Ductility Capacity of Concrete Columns with High Strength Steel Reinforcement under Eccentric Loading." Materials 16, no. 12 (2023): 4389. http://dx.doi.org/10.3390/ma16124389.

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Ductility-based structural design is currently the mainstream method. In order to analyze the ductility performance of concrete columns with high-strength steel reinforcements under eccentric compression, corresponding experimental studies have been performed. Numerical models were established, and their reliability was verified. Based on the numerical models, the parameter analysis was carried out, where eccentricity, concrete strength, and reinforcement ratio were considered to systematically discuss the ductility of the concrete column section with high-strength steel reinforcement. The res

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Joo, Hyun Sung, Jung Kyun Kim, Byung Ho Choi, and Hak Eun Lee. "Flexural Ductility of High Strength Steel Girder in Negative Moment Region." Applied Mechanics and Materials 174-177 (May 2012): 39–43. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.39.

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For I-girder with high strength steel, it is known that the flexural ductility is considerably decreased by increasing the yield strength of material. Thus, it is necessary to conduct a study for guaranteeing proper flexural ductility of I-girder with high-strength steel. In this study, the evaluation of flexural ductility of negative moment region of I-girder with high strength steel where yield stress of steel is 690Mpa is presented based on the results of finite element analysis and experiment. From the results, it is found that the flexural ductility of the I-girder is significantly reduce

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Hu, Zhiping, Keqiang Wang, and Jinyu Guo. "Microstructure and mechanical property of a novel hot dip galvanized dual phase steel with high ductility." Journal of Physics: Conference Series 2368, no. 1 (2022): 012021. http://dx.doi.org/10.1088/1742-6596/2368/1/012021.

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A novel hot dip galvanized dual phase steel with high ductility (DH) was designed with a novel chemical composition and hot-galvanized process. An ideal microstructure composed of ferrite, martensite, bainite and retained austenite was obtained in DH steel. Consequently, subjected to similar hot dip galvanizing process, a higher ductility was obtained in DH steel. The result indicated that retained austenite was beneficial to ductility, obvious TRIP effect of retained austenite presented during the whole tensile deformation, contributing to the strength and ductility.

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Gong, Mao Sheng, Jing Sun, and Li Li Xie. "Attenuation of Hysteretic Energy Spectra of Strong Ground Motion." Applied Mechanics and Materials 166-169 (May 2012): 2453–56. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.2453.

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Based on 266 strong ground motions from 15 significant earthquakes in California of America, the attenuation law of hysteretic spectra is established by using nonlinear regression method, and the effects of site class and ductility level on the hysteretic spectra constructed from the attenuation relationship are discussed in the paper. The results show that the site has significant effects on hysteretic energy spectra, and the more soft the site is, the more hysteretic energy structure will suffer from earthquake. Moreover, for ductility level scaled by ductility factor, the results show that

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