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Journal articles on the topic 'Materials - Ductility'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

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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2

Thomson, Robb, and A. E. Carlsson. "Intrinsic ductility criterion for materials." Philosophical Magazine A 70, no. 5 (1994): 893–903. http://dx.doi.org/10.1080/01418619408242937.

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3

Koch, Carl C., and T. R. Malow. "The Ductility Problem in Nanocrystalline Materials." Materials Science Forum 312-314 (July 1999): 565–74. http://dx.doi.org/10.4028/www.scientific.net/msf.312-314.565.

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4

Koch, Carl C., and T. R. Malow. "The Ductility Problem in Nanocrystalline Materials." Journal of Metastable and Nanocrystalline Materials 2-6 (July 1999): 565–74. http://dx.doi.org/10.4028/www.scientific.net/jmnm.2-6.565.

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5

Holdsworth, Stuart. "Creep-rupture ductility of engineering materials." Materials at High Temperatures 34, no. 2 (2017): 97–98. http://dx.doi.org/10.1080/09603409.2016.1271759.

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6

Straffelini, Giovanni. "Ductility of materials with ferritic matrix." Materials Science and Engineering: A 342, no. 1-2 (2003): 251–57. http://dx.doi.org/10.1016/s0921-5093(02)00308-8.

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7

Fatkin, D. G. P., C. B. Scruby, and G. A. D. Briggs. "Acoustic microscopy of low-ductility materials." Journal of Materials Science 24, no. 1 (1989): 23–40. http://dx.doi.org/10.1007/bf00660928.

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8

DeBotton, G., and P. Ponte Castañeda. "On the ductility of laminated materials." International Journal of Solids and Structures 29, no. 19 (1992): 2329–53. http://dx.doi.org/10.1016/0020-7683(92)90219-j.

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9

Ruano, Oscar A., Fernando Carreño, and Manuel Carsí. "Ductility and Stability in Metallic Materials." Materials Science Forum 941 (December 2018): 2319–24. http://dx.doi.org/10.4028/www.scientific.net/msf.941.2319.

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Ductility is the property of a given material to deform without fracture. In other words, is the capacity to maintain a structural stability under stresses. It is an important property that is difficult to predict since many microstructural and experimental factors play a role. A review of the most important approaches on ductility is given in this work with special emphasis in the high temperature deformation and the deformation mechanisms. The stability of materials is also analyzed and new concepts on the conditions for hot working are included. Stability maps are analyzed and conclusions o

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10

Jung, I. Y. "Prediction of tensile ductility in porous materials." Philosophical Magazine A 82, no. 11 (2002): 2263–68. http://dx.doi.org/10.1080/01418610208235737.

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11

Evans, R. W. "Theθprojection method and low creep ductility materials". Materials Science and Technology 16, № 1 (2000): 6–8. http://dx.doi.org/10.1179/026708300773002609.

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12

Sabirov, Ilchat, Eva Moreno-Valle, Maxim Yu Murashkin, and Ruslan Z. Valiev. "About Formability of Ultra-Fine Grained Metallic Materials." Materials Science Forum 838-839 (January 2016): 476–81. http://dx.doi.org/10.4028/www.scientific.net/msf.838-839.476.

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Ultra-fine grained (UFG) and nanostructured metallic materials obtained via severe plastic deformation typically show very high mechanical strength but low tensile ductility, which dramatically limits their practical utility. Significant efforts were made to improve uniaxial tensile ductility of ultra-fine grained and nanostructured metallic materials. The developed strategies can be divided into two main groups. (1) The ‘mechanical’ strategies employ the mechanical characteristics of these materials, such as their work hardening ability and/or strain rate sensitivity. These mechanical charact

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13

Shin, Dong Hyuk, Duck Young Hwang, Jung Yong Ahn, Kyung Tae Park, Yong Suk Kim, and J. J. Park. "Mechanical Behaviors of Ultrafine Grained Metallic Materials." Solid State Phenomena 124-126 (June 2007): 1325–28. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.1325.

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Ultrafine grained materials fabricated by severe plastic deformation exhibit both superior and inferior mechanical properties, as the prominent structural materials, compared to coarse grained counterparts. The superior mechanical properties are ultrahigh strength and exceptional ductility at high temperatures (i.e., superplasticity). The inferior mechanical properties are lack of strain hardenability and room temperature ductility. In this study, the relationship between microstructure and mechanical properties of ultrafine grained materials fabricated by severe plastic deformation is investi

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14

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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15

Kabashi, Naser, Cenë Krasniqi, and Ali Muriqi. "Flexure Behaviour the Concrete Beams Reinforcement with Polymer Materials." Advanced Materials Research 687 (April 2013): 472–79. http://dx.doi.org/10.4028/www.scientific.net/amr.687.472.

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Improvement of flexure behavior using the polymer materials is one of the very important factors in analyzing the concrete elements, especially concrete beams. In this case we analyze two different cases: • Improvement using the polypropylene microfibers in ready mix concrete • Improvement using the carbon fibers in external reinforcement In both case studies we used three-point-load experimental beam-bending tests for: three conventional RC beams (referent beams), three RC beams with polypropylene fibers and three RC beams with carbon fibers. All results concern comparing the effect of fibers

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16

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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17

Tang, Longwen, Han Liu, Gang Ma, et al. "The energy landscape governs ductility in disordered materials." Materials Horizons 8, no. 4 (2021): 1242–52. http://dx.doi.org/10.1039/d0mh00980f.

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18

Sabirov, I. "Enhanced ductility of ultra-fine grained metallic materials." Letters on Materials 5, no. 3 (2015): 347–53. http://dx.doi.org/10.22226/2410-3535-2015-3-347-353.

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19

TSUJI, Nobuhiro. "Ductility and Formability of Ultrafine-Grained Metallic Materials." Journal of the Japan Society for Technology of Plasticity 58, no. 674 (2017): 196–201. http://dx.doi.org/10.9773/sosei.58.196.

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20

Pertence, A. E. M., and P. R. Cetlin. "Similarity of ductility between model and real materials." Journal of Materials Processing Technology 103, no. 3 (2000): 434–38. http://dx.doi.org/10.1016/s0924-0136(00)00513-6.

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21

Lu, J., H. L. Chan, A. Y. Chen, and H. N. Kou. "Mechanics of High Strength and High Ductility Materials." Procedia Engineering 10 (2011): 2202–7. http://dx.doi.org/10.1016/j.proeng.2011.04.364.

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22

Zok, F., and J. D. Embury. "Forming of low-ductility materials under hydrostatic pressure." Journal of Materials Shaping Technology 8, no. 2 (1990): 77–81. http://dx.doi.org/10.1007/bf02833618.

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23

Morris, David G., and M. A. Morris. "Hardness, Strength, Ductility and Toughness of Nanocrystalline Materials." Materials Science Forum 235-238 (October 1996): 861–72. http://dx.doi.org/10.4028/www.scientific.net/msf.235-238.861.

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24

Betsofen, Sergei Ya, and L. Bunin. "The Biaxial Strength and Ductility of Textured Materials." Materials Science Forum 273-275 (February 1998): 627–34. http://dx.doi.org/10.4028/www.scientific.net/msf.273-275.627.

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25

Eckert, J., C. Duhamel, J. Das, S. Scudino, Z. F. Zhang, and K. B. Kim. "How to Improve the Ductility of Nanostructured Materials." Journal of Korean Powder Metallurgy Institute 13, no. 5 (2006): 340–50. http://dx.doi.org/10.4150/kpmi.2006.13.5.340.

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26

Dollár, M., and A. Dollár. "On the strength and ductility of nanocrystalline materials." Journal of Materials Processing Technology 157-158 (December 2004): 491–95. http://dx.doi.org/10.1016/j.jmatprotec.2004.07.108.

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27

Okafor, Chiamaka, and Norman Munroe. "The Promise of Mg-Li Based Alloys for Biomedical Implant Materials." Materials Science Forum 1085 (April 20, 2023): 139–48. http://dx.doi.org/10.4028/p-55j9e9.

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Lithium is an attractive element for Mg alloys for several reasons. It can improve room temperature ductility by transforming the single-phase hcp microstructure of Mg to a duplex phase followed by a single-phase bcc structure. With a solubility of ~5 wt.% Li, α-Mg is less prone to localized corrosion due to the absence of intermetallics. Furthermore, the strength of Mg-Li based alloys can be enhanced by alloying and thermomechanical processing. However, grain refinement has proven to be an effective mechanism in offsetting a compromise in ductility. It is for these reasons that Mg-Li based al

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28

Manish Kumar, N., Sk Sameer, and K. Divya. "Numerical Simulations of Composite Materials." IOP Conference Series: Earth and Environmental Science 982, no. 1 (2022): 012019. http://dx.doi.org/10.1088/1755-1315/982/1/012019.

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Abstract Throughout the last decade, the usage of fiber reinforced polymer (FRP) reinforcements in civil infrastructure has risen exponentially, owing to its superior corrosion protection, high durability, and non-magnetization characteristics. Furthermore, as a result of the poor modulus of elasticity of the FRP composites and its non-yielding properties, significant deflection and broad fractures are seen in the FRP reinforced concrete components under consideration. The emphasis of present study is on the behavior of FRP-reinforced concrete beams. The total of nine finite element-based simu

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29

Tian, Song Feng, Hong Jian Yu, Ying Guang Liu, Rong Yuan Ju, Xiao Dong Mi, and Xiu Lei Peng. "A Model for Predicting the Failure Behavior of Bimodal Nanocrystalline Materials." Advanced Materials Research 1081 (December 2014): 132–37. http://dx.doi.org/10.4028/www.scientific.net/amr.1081.132.

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Giving a bimodal grain size distribution in nanocrystalline materials can effectively achieve both high strength and high ductility. Here we propose a theoretical model to study the failure behavior of nc materials with bimodal grain size distribution. The dependence of failure properties on grain size distribution were calculated. Numerical results show the strength and ductility of bimodal nanocrystalline materials are sensitive to grain size and the volume fraction of coarse grains.

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30

Beygelzimer, Yan, O. Prokof'eva, R. Kulagin, Viktor Varyukhin, and Sergey Synkov. "Measures of Ductility for UFG Materials Obtained by SPD." Materials Science Forum 633-634 (November 2009): 223–30. http://dx.doi.org/10.4028/www.scientific.net/msf.633-634.223.

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It is shown that for ultrafine grained materials obtained with severe plastic deformation methods, the value of elongation up to fracture does not determine ductility, while the reduction of area up to fracture does determine it. The latter characteristic gives information about how an alloy structure resists the formation of discontinuity flaws under deformation in a hard stress state. We show that for a commercial grade titanium that underwent Twist Extrusion (TE), the value of , and thus ductility, is higher in the UFG state than in the coarse-grained state.

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31

Ichenihi, Amos, Wei Li, and Li Zhe. "Numerical and digital image correlation analysis of tensile behavior of thin-ply hybrid laminates with discontinuous carbon sandwiched by continuous glass and carbon." Journal of Composite Materials 56, no. 3 (2021): 373–86. http://dx.doi.org/10.1177/00219983211056560.

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Thin-ply hybrid laminates of glass and carbon fibers have been widely adopted in engineering pseudo-ductility. In this study, a Finite Element model is proposed using Abaqus to predict pseudo-ductility in thin-ply laminates consisting of three materials. These materials comprise continuous carbon (CC) and continuous glass sandwiching partial discontinuous carbon (DC). The model adopts the Hashin criterion for damage initiation in the fibers and the mixed-mode Benzeggagh-Kenane criterion on cohesive surfaces for delamination initiation and propagation. Numerically predicted stress–strain result

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32

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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33

Wu, Luoqi, Xiaobin Feng, Ke Cao, and Guodong Li. "Toughening Thermoelectric Materials: From Mechanisms to Applications." International Journal of Molecular Sciences 24, no. 7 (2023): 6325. http://dx.doi.org/10.3390/ijms24076325.

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With the tendency of thermoelectric semiconductor devices towards miniaturization, integration, and flexibility, there is an urgent need to develop high-performance thermoelectric materials. Compared with the continuously enhanced thermoelectric properties of thermoelectric materials, the understanding of toughening mechanisms lags behind. Recent advances in thermoelectric materials with novel crystal structures show intrinsic ductility. In addition, some promising toughening strategies provide new opportunities for further improving the mechanical strength and ductility of thermoelectric mate

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34

Doucey, B., Dj Bahloul-Hourlier, J. L. Besson, and Paul Goursat. "SiCN Nanocomposites : Powder Synthesis, Materials Processing and Ductility Assessment." Key Engineering Materials 206-213 (December 2001): 1081–84. http://dx.doi.org/10.4028/www.scientific.net/kem.206-213.1081.

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35

Christensen, Richard M. "Mechanisms and measures for the ductility of materials failure." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 476, no. 2239 (2020): 20190719. http://dx.doi.org/10.1098/rspa.2019.0719.

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An operational definition for the ductility of failure is given. Many examples illustrate the procedure for specific applications. The ductile/brittle transition is an integral part of the formalism. Further applications are made to the solids forming elements in the Periodic Table. The cases of graphene and diamond are used to verify the procedure. Bond bending and bond stretching are shown to provide an atomic scale criterion for ductile versus brittle failure behaviours.

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36

Movchan, B. A., and F. D. Lemkey. "Strength, ductility and superplasticity of microcrystalline two-phase materials." Materials & Design 17, no. 3 (1996): 141–49. http://dx.doi.org/10.1016/s0261-3069(96)00048-9.

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37

Karklit, A. K., and O. V. Ladariya. "Method for determining the ductility of clay raw materials." Refractories and Industrial Ceramics 40, no. 5-6 (1999): 260–61. http://dx.doi.org/10.1007/bf02762296.

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38

Pozdnyakov, V. A. "Ductility of nanocrystalline materials with a bimodal grain structure." Technical Physics Letters 33, no. 12 (2007): 1004–6. http://dx.doi.org/10.1134/s1063785007120061.

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39

Guba, P., A. Gesing, J. Sokolowski, et al. "In-situ formed, ultrafine Al-Si composite materials: ductility." Journal of Achievements in Materials and Manufacturing Engineering 1-2, no. 92 (2019): 5–12. http://dx.doi.org/10.5604/01.3001.0013.3182.

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Purpose: The work objective includes optimization of the casting production and heat treatment processes that will simultaneously maximize the combination of strength, hardness, and ductility for hypereutectic Al-Si compositions with Si volume fractions of as much as 25 vol.%. In addition, such an in-situ formed composite alloy will attain a unique combination of low production cost, high potential recycled content, and functional characteristics suitable for mission critical aerospace and vehicular applications. Design/methodology/approach: The unique High Pressure Die Casting Universal Metal

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40

El-Magd, Essam. "Influence of strain rate on ductility of metallic materials." Steel Research 68, no. 2 (1997): 67–71. http://dx.doi.org/10.1002/srin.199700544.

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41

Zhao, Yonghao, Yuntian Zhu, and Enrique J. Lavernia. "Strategies for Improving Tensile Ductility of Bulk Nanostructured Materials." Advanced Engineering Materials 12, no. 8 (2010): 769–78. http://dx.doi.org/10.1002/adem.200900335.

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42

Han, S., Jian She Lian, J. W. Mu, et al. "Mechanical Behaviors of Electrodeposited Bulk Nanocrystalline Metals and Alloys." Materials Science Forum 683 (May 2011): 113–26. http://dx.doi.org/10.4028/www.scientific.net/msf.683.113.

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Nanocrystalline (NC) metals and alloys always exhibit extremely high strength but quite limited ductility. This disappointing ductility might be caused by the preparation artifacts and the weak strain hardening ability of NC materials. In order to optimize the mechanical properties of NC metals and alloys , especially to enhance their ductility, and investigate the underlying deformation mechanism, nanocrystalline Ni, dual phase Ni-Co alloy and Cu were synthesized via electrodeposition and electro-brush deposition respectively, and then a series of mechanical tests were carried out. The result

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43

Kumar, Praveen, Megumi Kawasaki, and Terence G. Langdon. "Resolving the Strength-Ductility Paradox through Severe Plastic Deformation of a Cast Al-7% Si Alloy." Materials Science Forum 879 (November 2016): 1043–48. http://dx.doi.org/10.4028/www.scientific.net/msf.879.1043.

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Ultrafine-grained (UFG) materials produced by severe plastic deformation (SPD) may show both enhanced ductility and strength and hence resolve the so-called strength-ductility paradox. To gain mechanistic insights into such resolution, the effect of high-pressure torsion (HPT) on the microstructure and mechanical behavior was studied using a cast Al-7 wt. % Si alloy. As expected, the grain size decreased while the fraction of high-angle grain boundaries and microhardness increased due to HPT processing. However, tensile testing at room temperature revealed a simultaneous increase in strength a

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44

Mohammedameen, Alaa, Abdulkadir Çevik, Radhwan Alzeebaree, Anıl Niş, and Mehmet Eren Gülşan. "Performance of FRP confined and unconfined engineered cementitious composite exposed to seawater." Journal of Composite Materials 53, no. 28-30 (2019): 4285–304. http://dx.doi.org/10.1177/0021998319857110.

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Conventional concrete suffers from brittle failures under mechanical behaviour, and lack of ductility results in the loss of human life and property in earthquake zones. Therefore, the degree of ductility becomes significant in seismic regions. This paper investigates the influence of poly-vinyl alcohol fibers, basalt fiber-reinforced polymer (BFRP) and carbon fiber-reinforced polymer (CFRP) fabrics on the ductility and mechanical performance of low (LCFA) and high (HCFA) calcium fly ash-based engineered cementitious composite concrete. The study also focuses on the mechanical behaviour of the

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45

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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46

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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47

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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48

Hariharan, Krishnaswamy, Omid Majidi, Chong Min Kim, Myoung Gyu Lee, and Frédéric Barlat. "Stress Relaxation for Formability Improvement." Key Engineering Materials 554-557 (June 2013): 145–50. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.145.

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Improved formability has been reported due to stress relaxation when the continuous forming cycle is interrupted with steps by adjusting the punch motion. The contribution of stress relaxation and its parameters on the ductility of materials has not been established so far. In the present work, the stress relaxation behavior of three materials, low carbon steel, DP and TRIP steels are studied. The influence of strain rate and strain on the ductility enhancement due to stress relaxation is analyzed. It is observed that stress relaxation improved the ductility of materials in all the cases and t

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49

Gaydosh, Darrell J., Robert W. Jech, and Robert H. Titran. "Ductility in rapidly solidified NiAl." Journal of Materials Science Letters 4, no. 2 (1985): 138–40. http://dx.doi.org/10.1007/bf00728058.

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50

Moritoki, Hitoshi, and Eiki Okuyama. "Free Surface Ductility in Upsetting." Transactions of the Japan Society of Mechanical Engineers Series A 59, no. 559 (1993): 769–76. http://dx.doi.org/10.1299/kikaia.59.769.

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