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Journal articles on the topic 'Modulus of elasticity'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Dyman, Marianna, Andrii Moltasov, and Serhii Kalyuzhny. "Calculation and experimental procedure for determining the modulus of elasticity of porous coatings on a substrate during bending. Part 1. Theoretical foundations." Mechanics and Advanced Technologies 6, no. 2 (2022): 139–42. http://dx.doi.org/10.20535/2521-1943.2022.6.2.261923.

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The purpose of this work is to develop a design and experimental technique for determining the modulus of elasticity of one of the layers of a two-layer bar of rectangular cross section during bending, provided that the modulus of elasticity of the other layer is known. In this part of the work, using the transition formulas of relatively parallel axes, a mathematical expression has been obtained to determine the bending stiffness of a two-layer rectangular section, which does not include distances from the centers of weight of sections of layers to the pivot center of weight of the entire sec

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2

Scott-Baumann, Alison. "The modulus of elasticity." Francosphères 7, no. 2 (2018): 147–62. http://dx.doi.org/10.3828/franc.2018.11.

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3

Pramreiter, Maximilian, Alexander Stadlmann, Florian Linkeseder, Jozef Keckes, and Ulrich Müller. "Non-destructive testing of thin birch (Betula pendula Roth.) veneers." BioResources 15, no. 1 (2020): 1265–81. http://dx.doi.org/10.15376/biores.15.1.1265-1281.

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In technical applications of wood-based composites, the predictability of elasticity and strength is important. The aim of this study was to predict the static modulus of elasticity and tensile strength of thin (0.55 mm ± 0.05 mm) birch veneers. Based on the dynamic modulus of elasticity estimated via means of wave transmission time the observed dynamic modulus of elasticity was on average 14% lower than the corresponding static modulus of elasticity. This difference could be explained by a decreased measuring area during the tensile testing or by defects within the samples. The dynamic modulu

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4

Hu, Ying Cheng. "Predicting Modulus of Elasticity for Wood-Based Composites." Materials Science Forum 575-578 (April 2008): 1106–10. http://dx.doi.org/10.4028/www.scientific.net/msf.575-578.1106.

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The modulus of elasticity of wood, fiberboard and wood-fiberboard composite was measured by nondestructive test (longitudinal transmission vibration method). The predicting model of the modulus of elasticity of wood-fiberboard composite was discussed. This study has shown that the wood ratio has substantial effect on the modulus of elasticity of wood-fiberboard composite. The modulus of elasticity of wood-fiberboard composite can be predicted from volume fraction of wood by simulation formula. The model Eq.(3) can be used to predict the modulus of elasticity of the wood-fiberboard composite fr

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5

Brožovský, Jiří, and Ámos Dufka. "Comparison of Dynamic Young's Modulus of Elasticity Values Measured by Ultrasonic Pulse and Resonance Methods." Advanced Materials Research 1100 (April 2015): 193–96. http://dx.doi.org/10.4028/www.scientific.net/amr.1100.193.

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Dynamic Young ́s modulus of elasticity can be determined by ultrasonic pulse method and resonance method. Because of the difference in the way of introducing tension into a test specimen, the values of modulus of elasticity differ. Dynamic Young ́s modulus of elasticity measured by ultrasonic pulse method is higher; the difference stated for concrete is 5 to 20%. It was found that the dynamic Young's modulus of elasticity of calcium silicate bricks and prisms measured by ultrasonic pulse method is on average higher by 9.5% than dynamic Young's modulus of elasticity measured by resonance method

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6

He, Jian Yun, Yu Mei Ding, Zi Chen Xue, and Wei Min Yang. "Research on the Elasticity Modulus of Short Glass Fiber / Thermoplastic Polyurethane (SGF-TPU) Composites." Key Engineering Materials 561 (July 2013): 152–57. http://dx.doi.org/10.4028/www.scientific.net/kem.561.152.

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Based on fiber length, fiber orientation distribution and fraction volume, the Halpin-Tsai’ elasticity modulus prediction equation were modified and the elasticity modulus of SGF/TPU composites was experimentally studied. The relationship between the structure and elasticity modulus of SGF/TPU composites was discussed. Results showed that the elasticity modulus of GF-TPU composite rapidly increased as the increasing of fiber volume fraction () and the increasing of the fiber length at the range of 0%-20%. The modified prediction equation of the elasticity modulus fits the test result quite wel

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7

Kechur, D. I., A. S. Masyuk, V. Ye Levytskyi, D. B. Kysil та N. V. Chopyk. "ТECHNOLOGICAL FEATURES OF OBTAINING STARCH-CONTAINING POLYLACTIDE MATERIALS FOR 3D PRINTING". Chemistry, Technology and Application of Substances 6, № 2 (2023): 150–54. http://dx.doi.org/10.23939/ctas2023.02.150.

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Polylactide composite materials with organic filler-modifier starch, inorganic filler -calcium carbonate and plasticizer – epoxidized soybean oil for 3D printing have been developed. On the basis of the modular deformation method of calculation the elastic-plastic and deformation properties of the developed modified polylactide materials are determined. The change of modulus of deformation, modulus of elasticity, modulus of high elasticity depending on the composition of the composite is revealed. The surface hardness, Vicat softening point and thermomechanical characteristics of the developed

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8

Takarini, Veni, Nina Djustiana, and Renny Febrida. "Pengaruh partikel filler terhadap modulus elastisitas resin komposit Effect of filler particles on the elastic moduli of resin composites." Journal of Dentomaxillofacial Science 11, no. 1 (2012): 39. http://dx.doi.org/10.15562/jdmfs.v11i1.292.

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Modulus of elasticity is one of the mechanical properties of composite resins affects the resistance to deformation,the strength of bonding with tooth structure and wear resistance. Modulus of elasticity is determined by the volumefraction of filler particles as the inorganic phase composite resin. This literature study aims to evaluate the size,shape and type of filler particles that affect the modulus of elasticity for composite resin. In a constant volumefraction, the larger size of filler material tends to make more rigid while irregular shape of particles produceshigher modulus of elastic

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9

Commandeur, Paul R., and Marvin R. Pyles. "Modulus of elasticity and tensile strength of Douglas-fir roots." Canadian Journal of Forest Research 21, no. 1 (1991): 48–52. http://dx.doi.org/10.1139/x91-007.

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The modulus of elasticity and the tensile strength were determined for a sample of live Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco) roots collected in the Oregon Coast Range. Most of the roots displayed both a "form" modulus of elasticity and a "material" modulus of elasticity. The form modulus occurred as a tortuous root straightened out, whereas the material modulus developed following this initial straightening as the wood fibers within the root directly resisted elongation. The average form and material moduli of elasticity were, respectively, 185 and 503 MPa, whereas the average ten

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10

Slavin, Abraham. "THE EFFECTIVE MODULUS OF ELASTICITY." Annals of the New York Academy of Sciences 93, no. 6 (2006): 209–75. http://dx.doi.org/10.1111/j.1749-6632.1962.tb30519.x.

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11

Cramer, Steven, David Kretschmann, Roderic Lakes, and Troy Schmidt. "Earlywood and latewood elastic properties in loblolly pine." Holzforschung 59, no. 5 (2005): 531–38. http://dx.doi.org/10.1515/hf.2005.088.

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Abstract The elastic properties of earlywood and latewood and their variability were measured in 388 specimens from six loblolly pine trees in a commercial plantation. Properties measured included longitudinal modulus of elasticity, shear modulus, specific gravity, microfibril angle and presence of compression wood. Novel testing procedures were developed to measure properties from specimens of 1 mm×1 mm×30 mm from earlywood or latewood. The elastic properties varied substantially circumferentially around a given ring and this variation was nearly as large as the variation across rings. The el

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12

Tipka, Martin, and Jitka Vašková. "Modulus of Elasticity in Tension for Concrete and Fibre Reinforced Concrete." Solid State Phenomena 259 (May 2017): 35–40. http://dx.doi.org/10.4028/www.scientific.net/ssp.259.35.

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The paper deals with the determination of the modulus of elasticity in tension for cementitious composites and comparing these values with the values of modulus in compression. It describes several methods, which are usually used for determination of modulus of elasticity of concrete and fibre reinforced concrete. In the experimental program modulus of elasticity in compression and tension of various types of concrete and fibre reinforced concrete were compared. The classic test with prismatic specimens was used for determination of the modulus in compression; a new arrangement of uniaxial ten

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13

Yılmaz Aydın, Tuğba, Murat Aydın, and Uğur Özkan. "Effect of heat treatments on the strength and stiffness of poplar." Maderas. Ciencia y Tecnología 27 (July 15, 2025): e2925. https://doi.org/10.22320/s0718221x/2025.29.

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The influence of environmental conditions on wood material properties is known. Temperature is one of them and its effect on poplar wood has been examined in a limited way which this study tried to figure out this issue in a limited context. The influence of heat treatment (110 °C, 160 °C, and 210 °C for 3 h and 6 h) on the density, ultrasonic wave velocity, modulus of rupture, and modulus of elasticity of poplar wood was evaluated. A 2,25 MHz longitudinal ultrasonic wave was used to determine both the ultrasonic wave velocity and the dynamic modulus of elasticity. A three-point bending test w

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14

Warinussy, Rachel Priskila Louwrensya, Dewi Kristiana, and FX Ady Soesetijo. "Pengaruh Perendaman Nilon Termoplastik Dalam Berbagai Konsentrasi Ekstrak Bunga Cengkeh Terhadap Modulus Elastisitas (The Effect of Thermoplastic Nylon Immersion In Various Concentration of Clove Flower Extract to the Modulus Elasticity)." Pustaka Kesehatan 6, no. 1 (2018): 179. http://dx.doi.org/10.19184/pk.v6i1.7155.

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 Background:Thermoplastic nylon is one of denture basic alternative made by resin polyamide because its high flexibility and good translutient, but hard to be smoothed and polished causing food waste accumulation and plaque formation. Clove flower extract proved as antiseptic used to be a denture cleanser material, but its contens of phenol essence can break the thermoplastic nylon chain. Purpose: The aim of this study was to determine the effect of thermoplastic nylon immersion in various concentration: 0,8%, 1%, 1,2%, 1,4% and 1,6%, of clove flower extract to the modulus elasticity. Ma

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15

Khegai, A. O., N. M. Kirilin, T. S. Khegai, and O. N. Khegai. "Experimental investigation of stress-strain properties of steel fiber reinforced concrete of the higher classes." Вестник гражданских инженеров 17, no. 6 (2020): 77–82. http://dx.doi.org/10.23968/1999-5571-2020-17-6-77-82.

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The tangent modulus of elasticity and deformation modulus are the most important characteristics of steel fiber reinforced concrete. The tangent modulus of elasticity corresponds to the initial loading stage, whereas in the operation stage and the fracture stage, there is a modulus of the material deformation, which is smaller, due to the formation of cracks in the element and non-linear behavior of the material. The paper presents experimental investigations of the tangent modulus of elasticity and the deformation modulus of fiber-reinforced concrete, class В60 at various percentages of fiber

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16

Qu, Tie Jun, and Rong Huan Xu. "The Influence of Ratio of Reinforcement to Modulus of Elasticity of Reinforce Concrete Component." Advanced Materials Research 859 (December 2013): 233–37. http://dx.doi.org/10.4028/www.scientific.net/amr.859.233.

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Modulus of elasticity is an important mechanical parameter in analysis and design of reinforce concrete structures. The present value of modulus of elasticity ，which has rare relation with ratio of reinforcement ，is based on plain concrete. Authors deduced an equation between modulus of elasticity and ratio of reinforcement, and then an experimental study was conducted on 11 groups’ component of reinforce concrete with different ratio of reinforcement. At last, an equation for modulus of elasticity of different ratio of reinforcement determined by regression, using least squared method, was de

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17

Wu, Aixiang, Yong Wang, Bo Zhou, and Jiahua Shen. "Effect of Initial Backfill Temperature on the Deformation Behavior of Early Age Cemented Paste Backfill That Contains Sodium Silicate." Advances in Materials Science and Engineering 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/8481090.

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Enhancing the knowledge on the deformation behavior of cemented paste backfill (CPB) in terms of stress-strain relations and modulus of elasticity is significant for economic and safety reasons. In this paper, the effect of the initial backfill temperature on the CPB’s stress-strain behavior and modulus of elasticity is investigated. Results show that the stress-strain relationship and the modulus of elasticity behavior of CPB are significantly affected by the curing time and initial temperature of CPB. Additionally, the relationship between the modulus of elasticity and unconfined compressive

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18

Almeida Del Savio, Alexandre Almeida Del, Darwin La Torre La Torre Esquivel, Julian Carrillo, and Emilio Chi Chi Yep. "Determination of Polypropylene Fiber-Reinforced Concrete Compressive Strength and Elasticity Modulus via Ultrasonic Pulse Tests." Applied Sciences 12, no. 20 (2022): 10375. http://dx.doi.org/10.3390/app122010375.

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Compressive strength and elasticity modulus are the main mechanical properties of concrete. The non-destructive ultrasound pulse test can be used to determine these properties without compromising the structure’s integrity. This study seeks to assess whether a correlation exists (1) between the Reinforcement Index (RI) and the mechanical properties, (2) between the RI and the dynamic properties, and (3) among the dynamic properties of polypropylene fiber-reinforced concrete. The RI was modified through fiber volume fraction (0-, 0.4-, 0.8- and 1.2%) and fiber length (40, 50 and 60 mm). The dyn

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19

Yang, Xue Chun, and Ju Ying Luo. "Research on Compression and Bending Resistance Characteristics of Logs." Advanced Materials Research 413 (December 2011): 117–21. http://dx.doi.org/10.4028/www.scientific.net/amr.413.117.

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The testing experiments to healthy poplar and larch logs samplings were conducted by using hydraulic machine. The relationships among compression and bending strength, modulus of elasticity in compression and bending were studied in the two logs samplings. The results indicated that, in the both species, the compression strength had certain linear correlation with bending strength, and so did the modulus of elasticity in compression and bending. Meanwhile there were remarkable linear correlations with the compression strength and the modulus of elasticity in compression as well as the bending

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20

Yunak, Alina, Ivan Kopynets, and Oksana Sokolova. "ADJUSTMENT OF THE CALCULATED VALUE OF THE ELASTICTY MODULUS OF ASPHALT CONCRETE." Dorogi i mosti 2024, no. 29 (2024): 74–87. http://dx.doi.org/10.36100/dorogimosti2024.29.074.

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Introduction. One of the most important characteristics of asphalt concrete that characterizes its properties is the elasticity modulus. The elasticity modulus of asphalt concrete is used in the design of pavement structures to calculate its permissible elastic deflection, under the condition of shear resistance of the working subgrade layer and the layers of non-cohesive materials, as well as bending tensile strength. Problem statement. Today, the calculated value of the elasticity modulus of asphalt concrete is taken in accordance with Handbook No. 2 «Design Characteristics of Asphalt Concre

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21

Karakaš Janjić, Nikolina, Tanja Kalman Šipoš, and Mirta Benšić. "Determination of the mechanical properties of recycled brick aggregate concrete by multivariate regression analysis." Advances in Civil and Architectural Engineering 15, no. 29 (2024): 151–67. https://doi.org/10.13167/2024.29.10.

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This study presents regression models for prediction of compressive strength and modulus of elasticity, applying variables such as the percentage of recycled brick aggregate replacement, cement content, and water-cement ratio. A comprehensive database was constructed, comprising data from 180 experimental tests conducted on recycled brick aggregate concrete. The database includes the findings of compressive strength and modulus of elasticity testing. Multivariate statistical analysis was performed on the data and prediction models were created. During the review of the existing literature, a r

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22

Medvedev, M. A., A. M. Cherkasov, and E. V. Tararushkin. "Temperature dependence of dynamic and static modulus of elasticity of lightweight expanded clay aggregate concrete." Journal of Physics: Conference Series 2094, no. 4 (2021): 042052. http://dx.doi.org/10.1088/1742-6596/2094/4/042052.

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Abstract The paper presents experimental research the static and dynamic modulus of elasticity of lightweight expanded clay aggregate concrete with averaged density of 1000 kg/m3. The static and dynamic modulus are obtained depending on the influence of temperature in the range from 5 to 50 °C with a step of 15 °C. The dynamic modulus was determined without pre-compression with a testing machine Asphalt Mixture Performance Tester. Besides the modulus of elasticity of lightweight concrete, the temperature dependence of unconfined compressive strength was also determined. Analysis of experimenta

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23

Lee, Chiaju, Chihhsein Lin, Minjay Chung, and Mingjer Tsai. "Evaluation of the strength characteristics of Cunninghamia lanceolata timber using continuous mechanical stress rating equipment." BioResources 17, no. 1 (2022): 1411–26. http://dx.doi.org/10.15376/biores.17.1.1411-1426.

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Before timber is used for engineering and structural purposes, it is necessary to grade the strength of the timber. In order to obtain the static modulus of elasticity value of timber quickly and accurately, this study used ultrasonic waves and continuous mechanical stress rating equipment and two non-destructive test methods to analyze the correlation between the non-destructive test measured value and the static modulus of elasticity value. It also evaluated the influence of the feeding orientation of the boards, the forward and reverse feed directions, feeding speed, and break area ratio. T

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Asadollahi, Ali, Gholamhossein Shahgholi, Mariusz Szymanek, and Agata Dziwulska-Hunek. "Comparative Analysis of the Effects of Manure and Vermicompost on the Elasticity Modulus of Loam Soil in Different Moistures." Acta Technologica Agriculturae 27, no. 3 (2024): 125–32. http://dx.doi.org/10.2478/ata-2024-0017.

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Abstract This study aims to investigate the effects of manure and vermicompost in terms of soil elasticity modulus changes in loam soil. The uniaxial compression test measures the compressive strength of a soil cylinder without any lateral load. The modulus of elasticity was determined by plotting the strain-stress diagrams and calculating the slope of these diagrams. The increase in moisture and organic matter content significantly improved soil flexibility and decreased its elasticity modulus. It was found that adding animal manure had a greater effect on the flexibility of the soil as compa

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25

Uysal, Orkun, İlbüke Uslu, Can B. Aktaş, Byungik Chang, and İsmail Özgür Yaman. "Physical and Mechanical Properties of Lightweight Expanded Clay Aggregate Concrete." Buildings 14, no. 6 (2024): 1871. http://dx.doi.org/10.3390/buildings14061871.

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The porous nature of lightweight expanded clay aggregate (LECA) is decisive in the physical and mechanical properties of concrete. A comprehensive experimental study consisting of 13 different mixtures and 234 specimens was carried out on density, absorption capacity, porosity, compressive strength, splitting tensile strength, modulus of elasticity, and the effect of moisture state of LECA concrete. Dry compressive strengths of mixtures were found to be between 18–38 MPa, and 9% higher on average than moist compressive strength. Modulus of elasticity values decreased significantly when specime

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26

Reiterman, Pavel. "Static Modulus of Elasticity of Concrete." Materials Science Forum 824 (July 2015): 151–54. http://dx.doi.org/10.4028/www.scientific.net/msf.824.151.

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Present paper deals with the experimental investigation of static modulus of elasticity of hardened concrete and its relation to compressive strength of concrete. Based on the number of measurement was derived expression of dependence of modulus of elasticity on compressive strength of concrete which was determined using cubic specimens; modulus of elasticity was measured using prismatic specimens of dimensions 100x100x400 mm. Studied concrete mixtures present commonly used concrete of all established strength classes.

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27

Kocáb, Dalibor, Vlastimil Bílek Jr., Libor Topolář, Petr Daněk, Barbara Kucharczyková, and Petr Pőssl. "Influence of a Shrinkage-Reducing Admixture on the Damage to the Internal Structure of Alkali-Activated Composites during Testing of the Modulus of Elasticity." Solid State Phenomena 272 (February 2018): 28–33. http://dx.doi.org/10.4028/www.scientific.net/ssp.272.28.

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This article deals with an experimental determination of the static modulus of elasticity in compression on fine-grained composites based on alkali-activated slag. This experiment included an alkali-activated composite without a shrinkage-reducing admixture and the same composite with a shrinkage-reducing admixture. The test specimens were subjected to testing of the dynamic modulus of elasticity using the ultrasonic pulse velocity test and the resonance method as well as of the static modulus of elasticity in compression. The static modulus of elasticity test was accompanied by the measuremen

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28

Carrasco, E. V. M., Fernando Murilo Gontijo Ramos, L. G. Moura, et al. "Determination of Elastic Constants of Cross-Laminated Bamboo (CLB) through Non-Destructive Testing." Key Engineering Materials 948 (June 6, 2023): 129–38. http://dx.doi.org/10.4028/p-45nq7z.

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The aim of this work is the evaluation by non-destructive impulse excitation tests, the modulus of elasticity (E) and the transversal deformation modulus (G) of cross laminated bamboo (CLB). Tests were performed on twenty-three CLB specimens measuring: 12 mm (height), 40 mm (width) and 12 mm (length). Twelve specimens have two lamellas with fibers at 0 °, longitudinal direction, and one layer with fibers at 90 °, normal direction (N) and the other eleven specimens have two layers in the normal direction and one in the longitudinal direction (L). The tests were performed using the Sonelastic ap

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29

Mollahassani, Amir, AmirHooman Hemmasi, Habibollah Khademi Eslam, Amir Lashgari, and Behzad Bazyar. "Dynamic and static comparison of beech wood dovetail, tongue and groove, halving, and dowel joints." BioResources 15, no. 2 (2020): 3787–98. http://dx.doi.org/10.15376/biores.15.2.3787-3798.

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Dynamic and static elastic properties beech wood joints were assessed. Conventional joints, namely dovetail, tongue and groove, dowel, and halving joints were prepared with beech wood (Fagus orientalis Lipsky) using polyvinyl acetate and cyanoacrylate adhesives. The results of the dynamic and static modulus of elasticity of the joints in this research indicated the highest reduction trends in halving, dowel, tongue and groove, and dovetail joints, respectively. The modulus of dovetail joint elasticity, its homogeneous joint texture, and lack of an extended adhesive line, corresponded to that o

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30

Miccoli, Lorenzo, and Franz Loderer. "Influence of material properties on the modulus of elasticity of AAC masonry." ce/papers 6, no. 2 (2023): 109–14. http://dx.doi.org/10.1002/cepa.2225.

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AbstractAimThe goal of the presented study is to evaluate the influence of material properties on the modulus of elasticity of autoclaved aerated concrete masonry. In addition, it was assessed the reliability of the KE value included in the Eurocode 6 to calculate the modulus of elasticity of AAC masonry in relation to its characteristic compressive strength.MethodAn experimental campaign for the determination of modulus of elasticity of AAC masonry with a characteristic compressive strength in the range of 1.3‐2.0 MPa, was carried out. AAC units from different plants in Europe have been teste

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31

Waheed, Mohanned Q., and Noor M. Asmael. "Evaluation of Elasticity Modulus of Clayey Soil from Undrained Shear Strength." E3S Web of Conferences 427 (2023): 01028. http://dx.doi.org/10.1051/e3sconf/202342701028.

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The modulus of elasticity represents the soil stiffness; it was used to design and analyze the foundation, slope stability, retaining structure, etc. It is one of the main input parameters used in the finite element method for analyzing soil behavior. The scope of this study is to evaluate the correlation between the modulus of elasticity (E) and the cohesion of the soil (cu) for the remolded and undisturbed samples of clayey soil so it can assess the effect of lateral confining pressure on the soil modulus of elasticity. The unconfined test is chosen for remolded soil to identify the stress-s

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32

Mailyan, D. R., and G. V. Nesvetaev. "RIGIDITY AND STRENGTH ANALYSIS OF REINFORCED CONCRETE BEAMS BY VARYING ELASTICITY MODULUS." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture, no. 4 (August 29, 2018): 86–93. http://dx.doi.org/10.31675/1607-1859-2018-20-4-86-93.

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Relevance: The actual values of the elastic modulus used for manufacturing reinforced concrete products and concrete structures may differ significantly from those given in SNiP 63.13330. It is therefore interesting to estimate the rational value of the elasticity modulus of concrete for a particular design. Purpose: Calculation algorithm is proposed for normal stresses and deformations based on variation of the elasticity modulus of concrete by controlling prescribed and technological factors. Materials and methods: Ordinary concrete grades up to В120 grade with organic and mineral modifiers,

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33

Rahman, Md Rezaur, Sinin Hamdan, M. Saiful Islam, and Md Shahjahan Mondol. "Mechanical Properties and Decay Resistance of Wood Polymer Composites (WPC)." Advanced Materials Research 264-265 (June 2011): 819–24. http://dx.doi.org/10.4028/www.scientific.net/amr.264-265.819.

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In Malaysia, especially Borneo Island Sarawak has a large scale of tropical wood species. In this study, selected raw tropical wood species namely Artocarpus Elasticus, Artocarpus Rigidus, Xylopia Spp, Koompassia Malaccensis and Eugenia Spp were chemically treated with sodium meta periodate to convert them into wood polymer composites. Manufactured wood polymer composites were characterized using mechanical testing (modulus of elasticity (MOE), modulus of rupture (MOR), static Young’s modulus) and decay resistance test. Modulus of elasticity and modulus of rupture were calculated using three p

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34

Couto Aguiar, Letícia, Luiz A. Melgaço N. Branco, Eduardo Chahud, et al. "Influence of Time Evolution in the Modulus of Elasticity of Concrete Reinforced by Carbon Fibers." Advanced Materials Research 1088 (February 2015): 640–43. http://dx.doi.org/10.4028/www.scientific.net/amr.1088.640.

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The modulus of elasticity is an important property for the behavior analysis of concrete structures. This research evaluated the strain difference between concrete specimens with and without the application of laminate carbon fiber composites as well as the variation time, in months, of the axial strength compression and modulus of elasticity. Through the experimental results, it is concluded that increases in compressive strength and modulus of elasticity are more significant in the specimens without reinforcement.

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35

Chegenizadeh, Amin, and Hamid Nikraz. "Modulus of Elasticity of Reinforced Clay." Advanced Materials Research 261-263 (May 2011): 969–73. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.969.

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Reinforced soil has been among the most effective soil modification materials. Its use has been expanded rapidly into civil engineering, geotechnical engineering and pavement engineering. Reinforcing subgarde in pavement systems has always been an issue. This study focuses on effect of fibre inclusion on the modulus of elasticity of subgrade material. Plastic fibre was used for this investigation. Fibre contents and aspect ratio have been changed during these tests. The fibre percentage varied from 0 % (for unreinforced samples) to 3%. Clay was used as sub grade material. Unconfined compressio

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36

Tampi, R., H. Parung, R. Djamaluddin, and A. Amiruddin. "Elasticity modulus concrete of abaca fiber." IOP Conference Series: Earth and Environmental Science 473 (May 14, 2020): 012146. http://dx.doi.org/10.1088/1755-1315/473/1/012146.

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Smardzewski, Jerzy, Wojciech Lewandowski, and Hasan Özgür İmirzi. "Elasticity modulus of cabinet furniture joints." Materials & Design 60 (August 2014): 260–66. http://dx.doi.org/10.1016/j.matdes.2014.03.066.

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Aerens, Richard, Vitalii Vorkov, and Joost R. Duflou. "Springback prediction and elasticity modulus variation." Procedia Manufacturing 29 (2019): 185–92. http://dx.doi.org/10.1016/j.promfg.2019.02.125.

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Zhang, Shi Min, Kai Yu, Zhi Ding, and Hao Miao Yang. "Research on the Factors Affect the Settlement of Soft Pile in Double-Layered Foundation." Advanced Materials Research 163-167 (December 2010): 4512–19. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.4512.

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The pile work on the complex properties of three-dimensional finite element analysis has been made by building-up one 4x4 soft pole. Having studied on the factors which affect the flexibility pole compound foundation settlement factor in foundation, include the level of vertical load, elastic modulus of the pile, cushion thickness and elastic modulus. The results show that: the impact of soft pile settlement of the factors, the level of vertical load and pile elastic modulus greater impact cushion modulus of elasticity and thickness of the less affected. As for the pole body elasticity modulus

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Tatarciuc, Monica, Anca Vitalariu, Odette Luca, et al. "The Influence of Food Consistency on the Abutment Teeth in Fixed Prostheses A FEA study." Revista de Chimie 69, no. 2 (2018): 407–9. http://dx.doi.org/10.37358/rc.18.2.6117.

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The aim of our study was to evaluate through Finite Elements Analysis (FEA), the stress induced into the abutments and into a metallic bridge by an alimentary bolus of different consistency. Research was carried using the FEA on a model of the bridge with full crowns as retainers in the posterior teeth (34-36), obtained using a contact scanner and computer aided design (CAD) system. We surveyed the stress induced by different food consistency with elasticity modulus between 0 MPa and 60000 MPa. A 6MPa stress was induced by the bridge when the elasticity modulus was equal to 200 MPa. For the ma

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Liu, Jide, Xiaoming Du, Xue Wang, et al. "First-Principles Calculations of Elasticity Properties of AgW₂₀ Alloy." Journal of Physics: Conference Series 2459, no. 1 (2023): 012008. http://dx.doi.org/10.1088/1742-6596/2459/1/012008.

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Abstract In this paper, the first-principles calculations based on DFT were employd to investigate the elasticity characteristics of AgW20 alloy. The elasticity constants of the single crystals are calculated using the finite strain method and Voigt – Reuss – Hill (VRH) approach. The universal anisortropic index (AU ), shear anisortropic index, orientation dependency of Young’s modulus, bulk modulus were used to characterize elasticity anisortropy behaviors. The calculated elasticity properties of AgW20 alloy show a remarkable elasticity anisortropy for AgW20 alloy.

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Sözen, Eser. "Determination of Physical and Mechanical Properties of Waste Paper Boards Supported by Wood Chips and Chopped E-glass Fiber." Drvna industrija 73, no. 4 (2022): 486–94. http://dx.doi.org/10.5552/drvind.2022.2145.

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Today, legal regulations, along with social awareness, have made waste management a necessity. Depending on the type of waste, technological developments have enabled an increase in the number of approaches, e.g., reusing, recycling, and manufacturing of different products. In this study, low-density boards were produced using different proportions of office waste paper, wood chips, and chopped E-glass fiber. Waste paper and glass fiber formed the middle layer of the boards and wood chips comprised the surface layers. The density, water absorption, and thickness swelling properties of the boar

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Irie, Masao, Masahiro Okada, Yukinori Maruo, Goro Nishigawa, and Takuya Matsumoto. "Shear Bond Strength of Resin Luting Materials to Lithium Disilicate Ceramic: Correlation between Flexural Strength and Modulus of Elasticity." Polymers 15, no. 5 (2023): 1128. http://dx.doi.org/10.3390/polym15051128.

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This study investigates the effect of the curing mode (dual-cure vs. self-cure) of resin cements (four self-adhesive and seven conventional cements) on their flexural strength and flexural modulus of elasticity, alongside their shear bond strength to lithium disilicate ceramics (LDS). The study aims to determine the relationship between the bond strength and LDS, and the flexural strength and flexural modulus of elasticity of resin cements. Twelve conventional or adhesive and self-adhesive resin cements were tested. The manufacturer’s recommended pretreating agents were used where indicated. T

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Purwanto, Amanda, and Abdul Ro’uf. "Sistem Pengukuran Modulus Elastisitas Beton Menggunakan Metode Ultrasonic Pulse Velocity." IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) 8, no. 1 (2018): 25. http://dx.doi.org/10.22146/ijeis.30978.

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Modulus of elasticity of concrete usually measured by Destructive Testing which is not considered as an effective way, because It will destroy the concrete. Ultrasonic Pulse Velocity can be a solution to measure value of modulus of elasticity without destructing it. The concept of the system is to look for velocity of wave, then put the value into modulus elasticity formula.UPV system will transmit ultrasonic wave through concrete. HC-SR04 used for generating 40 kHz wave, increasing voltage of wave on receiver, and calculating time travel. The voltage of wave sent by HC-SR04 is only about 10 v

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Kim, Wonchang, Keesin Jeong, Taegyu Lee, and Sungyu Park. "A Study on Correlation between Ultrasonic Pulse Velocity Method and Coarse Aggregate for Estimating Residual Modulus of Elasticity of Concrete Exposed to High Temperatures." Applied Sciences 12, no. 13 (2022): 6644. http://dx.doi.org/10.3390/app12136644.

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In this study, the mechanical properties of normal concrete (NC) and lightweight concrete (LC) were measured upon exposure to high temperatures (20, 100, 200, 300, 500, and 700 °C). Then, analysis was conducted to predict the residual modulus of elasticity through ultrasonic pulse velocity. Crushed granite aggregate was mixed as the coarse aggregate for NC and coal-ash aggregate for LC. The effect of the water-to-binder (W/B) ratio (0.41, 0.33, and 0.28) on the mechanical properties (residual compressive strength, residual ultrasonic pulse velocity, residual modulus of elasticity, and stress–s

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Cimbola, Zdravko, Anđelko Crnoja, Ivana Barišić, and Ivanka Netinger Grubeša. "Evaluation of the Applicability of Waste Rubber in Insulation Panels with Regard to Its Grain Size and Panel Thickness." Materials 17, no. 21 (2024): 5251. http://dx.doi.org/10.3390/ma17215251.

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This paper explores the effect of waste rubber grain size on the porosity, modulus of elasticity, thermal properties, and soundproofing performance of polymer composites with different thicknesses (10, 15, and 20 mm). All properties were tested in accordance with European standards, with the exception of porosity, which was measured using Archimedes’ principle. The findings indicate that with a consistent amount of polyurethane glue, finer rubber grains result in composites with higher porosity, leading to a lower modulus of elasticity but enhanced thermal and sound insulation. In contrast, co

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Gold, Lorne W. "On the elasticity of ice plates." Canadian Journal of Civil Engineering 15, no. 6 (1988): 1080–84. http://dx.doi.org/10.1139/l88-140.

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The rigidity modulus is determined for simply supported, circular ice plates 0.5 and 1.22 m in diameter. Measurements for the 0.5 m diameter plates were made at −10 °C and for the 1.22 m plates in the range of −7 to −37 °C. The elastic moduli and Poisson's ratio, calculated from the rigidity modulus, are in the range of 6.0–12.0 GPa and 0.29–0.60 respectively, depending on ice type, temperature, and grain size. The plate characteristic lengths calculated from the measured values of the elastic moduli are compared with characteristic lengths determined from field measurements of the deflection

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Hans, Marcus, Lena Patterer, Denis Music, et al. "Stress-Dependent Elasticity of TiAlN Coatings." Coatings 9, no. 1 (2019): 24. http://dx.doi.org/10.3390/coatings9010024.

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We investigate the effect of continuous vs. periodically interrupted plasma exposure during cathodic arc evaporation on the elastic modulus as well as the residual stress state of metastable cubic TiAlN coatings. Nanoindentation reveals that the elastic modulus of TiAlN grown at floating potential with continuous plasma exposure is 7%–11% larger than for coatings grown with periodically interrupted plasma exposure due to substrate rotation. In combination with X-ray stress analysis, it is evident that the elastic modulus is governed by the residual stress state. The experimental dependence of

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Jeżo, Aleksandra, and Grzegorz Kowaluk. "Compression strength and other mechanical properties of particleboards induced by density." Annals of WULS, Forestry and Wood Technology 110 (June 30, 2020): 79–91. http://dx.doi.org/10.5604/01.3001.0014.4413.

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Compression strength and other mechanical properties of particleboards induced by density. The aim of the paper was to investigate the contractual compression strength and modulus of elasticity under compression of six types of commercially available particleboards of various thickness, density and surface finish. The basic mechanical and physical characteristics of the tested panels (modulus of elasticity and modulus of rupture during bending, density and density profile) were also performed. The studies showed that the compression strength raises linearly with panels’ density raise, and the

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Pramono, Agus Edy, Yohannes Patrick, Aminudin Zuhri, et al. "The investigation of the properties of filaments fabricated from carbon biomass and LLDPE." Jurnal Polimesin 22, no. 4 (2024): 410. http://dx.doi.org/10.30811/jpl.v22i4.5084.

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This study aims to develop composites using electrically conductive carbon and polymer polyethylene (LLDPE) to enhance electrical conductivity. Investigations have been conducted on the fabrication of electrically conductive composites and the modulus of elasticity through heat compaction using mixtures of carbon-LLDPE powders. Heat compaction is performed at temperatures ranging from 120°C to 150°C, with varying composition ratios of carbon-LLDPE, including 50:50, 60:40, and 70:30 % wt. Higher proportions of carbon and compaction temperatures are correlated with increased electrical conductiv

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