Relevant bibliographies by topics / Bending-creep

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Bending-creep'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Bending-creep"

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Kim, Seung-Gyu, Yeong-Seong Park, and Yong-Hak Lee. "Comparison of Concrete Creep in Compression, Tension, and Bending under Drying Condition." Materials 12, no. 20 (October 15, 2019): 3357. http://dx.doi.org/10.3390/ma12203357.

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Three types of creep experiments of compression, tension, and bending were implemented to identify quantitative relations among the three types of creep under drying atmospheric conditions. In case of the bending creep experiment, two types of unreinforced concrete beams with similar dimensions were cast for use in the beam creep and shrinkage tests. The variations in the shrinkage strain within the beam depth were measured to evaluate the effect of the shrinkage variations on the bending creep strain. The beam creep strain measured within the beam depth was composed of uniform and skewed parts. The skewed parts of the creep strain were found to be dominant whereas the uniform parts were small enough to be neglected in the bending creep evaluation. This indicated that the compressive bending creep at the top surface was close to the tensile bending creep at the bottom surface. The ratios of tensile and bending creep strains to compressive creep strain were approximately 2.9 and 2.3, respectively, and the ratio of bending creep strain to tensile creep strain was approximately 0.8. Particular attention is laid on the close agreement between tensile and compressive bending creep strains even if the creep in tension is 2.9 times larger than the creep strain in compression.
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Singh, J. G., and P. C. Upadhyay. "Creep bending of rock beams." Mining Science and Technology 5, no. 2 (July 1987): 163–69. http://dx.doi.org/10.1016/s0167-9031(87)90385-9.

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Singh, J. G., and P. C. Upadhyay. "Creep bending of rock plates." Mining Science and Technology 6, no. 2 (January 1988): 163–69. http://dx.doi.org/10.1016/s0167-9031(88)90679-2.

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Lee, Kuo-Long, Bo-You Liu, and Wen-Fung Pan. "Response of round-hole tubes submitted to pure bending creep and pure bending relaxation." Advances in Mechanical Engineering 13, no. 9 (September 2021): 168781402110491. http://dx.doi.org/10.1177/16878140211049124.

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This paper presents experimental study on the response of 6061-T6 aluminum alloy round-hole tubes with five different hole diameters of 2, 4, 6, 8, and 10 mm and four different diameter-to-thickness ratios of 30, 40, 50, and 60 submitted to pure bending creep and pure bending relaxation. Pure bending creep or relaxation is defined as bending the tube to the required moment or curvature and maintaining that moment or curvature for a period of time. The experimental results of pure bending creep show that the curvature increases with time. In addition, larger holding moment, diameter-to-thickness ratio, or hole diameter results in larger creep curvature. As the curvature continues to increase, the round-hole tube eventually breaks. The experimental results of pure bending relaxation show that the relaxation moment decreases sharply with time and tends to a stable value. In addition, larger holding curvature, diameter-to-thickness ratio, or hole diameter results in larger drop of the relaxation moment. Due to fixed curvature, the round-hole tube does not break. Finally, formulas proposed by the research team of Pan et al. were respectively improved to simulate the creep curvature-time relationship for pure bending creep in the initial and the secondary stages and the relaxation moment-time for pure bending relaxation. After comparing with the experimental results, it is found that theoretical analysis can reproduce the experimental results reasonably.
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Miyano, Yasushi, Masayuki Nakada, and Yo Yoshikoshi. "Statistical creep failure time of unidirectional carbon fiber reinforced plastic under bending load." Journal of Composite Materials 56, no. 8 (February 8, 2022): 1153–64. http://dx.doi.org/10.1177/00219983211072959.

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Our developed accelerated testing methodology (ATM) based on the matrix resin viscoelasticity for the creep and fatigue failure life prediction of fiber reinforced polymers (FRP) was applied to the statistical prediction of long-term creep failure life for the longitudinal bending of unidirectional Carbon fiber reinforced plastic (CFRP) laminates which is an important basic item for the durability design of CFRP structures used for aircraft and others. As results, the statistical creep failure times measured under several constant bending loads at an arbitrary temperature for unidirectional CFRP laminates were agreed with the predicted results obtained by substituting the matrix resin viscoelasticity and the flexural static strengths of CFRP laminates statistically and easily measured at various temperatures into the formulation of ATM. The long-term creep strength under bending load at an arbitrary temperature predicted were compared with that under tension load obtained by our previous paper. It was clear that the creep strength under bending load degreases drastically with increase in time and temperature comparing with that under tension load; therefore, the effect of time and temperature on the creep failure life under bending load is larger than that under tension load.
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Feng, Li, and Chunyan Zhao. "Analysis of Creep Properties and Factors Affecting Wood Plastic Composites." Polymers 14, no. 14 (July 10, 2022): 2814. http://dx.doi.org/10.3390/polym14142814.

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Wood plastic composite (WPC) materials are mainly used as building slabs and load-bearing slabs, which will cause creep deformation, structural failure, and safety problems. Therefore, this work used high-density polyethylene and poplar wood flour as the main raw materials to prepare wood–plastic boards. The bending creep tests of wood–plastic sheets were carried out using an orthogonal test method. According to the creep test results, the influences of the WPC ratio molding temperature, pelleting temperature, coupling agent screw speed, and other technological factors on the creep properties of WPC composites under different loads are analyzed, and the influences of WPC creep properties on structural reliability are also analyzed. The results indicate that the wood–plastic ratio and screw speed are significant factors when the load is at 30% bending strength within the 24h creep test. When the load is at 50% bending strength, the wood–plastic ratio and molding temperature are the significant factors. When the load is at 70% bending strength, the wood–plastic ratio is the most significant factor. When the load is at 50% bending strength within the 240 h creep test, the wood–plastic ratio and molding temperature are significant factors. When the load is at 30% bending strength, the influence of each factor on the creeping variable is provided in the following descending order: wood–plastic ratio, molding temperature, granulation temperature, coupling agent, and screw speed, but none of them are significant factors.
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Zhuang, Fa Kun, Shan Tung Tu, Guo Shan Xie, and Luo Wei Cao. "Effect of Material Property Difference on the Creep Behavior of Bending Specimen." Key Engineering Materials 795 (March 2019): 375–82. http://dx.doi.org/10.4028/www.scientific.net/kem.795.375.

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The application of small specimen testing techniques in the evaluation of creep properties of materials in-service arise. In order to acquire the creep data accurately and conveniently, the bending test with small beam specimens has been proposed and validated for the metal materials. Initially, the fact that material behaves different creep rates under tension and compression is ignored for simplification. Thus, the effect of material property difference on the creep behavior of bending specimen is analyzed in the present paper. On the basis of Norton creep law, the deformation behavior of three type’s specimens under tension and compression is theoretically described. Assumed different creep exponents and constants, finite element models of these beam bending specimens are established. The creep response is simulated. Meanwhile, the effect of material property under different stress state is further investigated. The results show that the stress exponent has a significant effect on the creep curves. Usually, the stress exponent can be evaluated based on the displacement rate or strain rate. However, if large discrepancy of creep properties under tension and compression exits, it will yield disparate results for the steady-state stress exponent. It is suggested that the stress exponent determined solely by bending test should be accepted with a certain degree of reliability, especially for the non-metal materials.
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Yue, Kong, Wei Qing Liu, Xiao Ning Lu, and Wei Dong Lu. "Experimental Study on Bending Creep Behavior of Modified Fast-Grown Poplar Wood in Uncontrolled Condition." Advanced Materials Research 463-464 (February 2012): 76–80. http://dx.doi.org/10.4028/www.scientific.net/amr.463-464.76.

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Three material properties (density, modulus of elasticity, bending creep deflection) of poplar wood modified with low molecular resin was examined and evaluated by an experimental approach. Poplar specimens were treated to achieve full penetration using a vacuum schedule with different low molecular resins. These resins were urea-formaldehyde (UF) and phenol-formaldehyde (PF) prepolymer solution. Creep tests were conducted under a varying climate with 16 °C ~ 31 °C and 40 % ~ 80 % relative humidity. The specimens were loaded in bending for approximately 140 days. Then the curves of the creep tests were analyzed to derive the development of bending creep performance. The results show modification leads to significant changes on material properties. Modification increases both the density and elastic modulus, and also tends to deflect creep deformation obviously less than untreated specimens.
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Xu, Zhao Yang, Da Gang Li, and Yan Wu. "Prediction of Bending Creep Behavior of Rice Hull Flour/Polypropylene Composite." Applied Mechanics and Materials 200 (October 2012): 203–6. http://dx.doi.org/10.4028/www.scientific.net/amm.200.203.

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The creep behaviors of rice hull flour/PP composite under different stress levels were studied through bending test. The results show that the bending creep behaviors of rice hull flour/PP composite have obviously correlation to the stress levels. Based on the time-temperature-stress equivalence principle and 15% stress level as a reference, the creep compliance master curve of 15% stress level was constructed by horizontally shift the creep compliance curve of other stress levels, which can predict the creep behavior of rice hull flour/PP composite at the 15% stress level.
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Zong, Guanggong, Jinjiang Zhou, Mengyan Zhang, Yanqiu Ma, Yang Zhao, Xiaoyan He, Jianxiu Hao, and Fangfang Wang. "Effect of Mortise and Tenon Structure on the Properties of Wood Flour Polyvinyl Chloride-Laminated Veneer Lumber Co-Extruded Composites." Polymers 15, no. 9 (April 30, 2023): 2151. http://dx.doi.org/10.3390/polym15092151.

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Core–shell composites with strong weather resistance, mechanical strength and creep resistance can be prepared using co-extrusion technology. Considering the weak bonding strength between core–shell interfaces, this study started from the concept of a mortise and tenon combination; three types of conical, rectangular and trapezoidal mortise and tenon joints were prepared, and their bending properties, long-term creep properties, interfacial bonding properties, and dimensional stability properties were tested. Results showed that the mortise and tenon structure could form a mechanical interlock between the outer-shell-layer polyvinyl chloride (PVC) wood–plastic composite (WPVC) and the inner-core-layer laminated veneer lumber (LVL), which could effectively improve the interface bonding property between the two layers. Among them, the trapezoidal mortise and tenon structure had the largest interface bonding force compared with the tapered and rectangular mortise and tenon structure, where the interface bonding strength reached 1.01 MPa. Excellent interface bonding can effectively transfer and disperse stress, so the trapezoidal mortise and tenon structure had the best bending properties and creep resistance, with a bending strength of 59.54 MPa and a bending modulus of 5.56 GPa. In the long-term creep test, the deformation was also the smallest at about 0.2%, and its bending properties, creep resistance and interface bonding performance were also the best. The bending strength was 59.54 MPa and the bending modulus was 5.56 GPa; in the long-term creep test, the strain curve was the lowest, about 0.2%. In addition, the mortise and tenon structure could disperse the stress of the inner shell LVL after water absorption and expansion, thus significantly improving the dimensional stability of the co-extruded composite after water absorption.
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Dissertations / Theses on the topic "Bending-creep"

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Matar, Ali. "The mechano sorptive creep of softwood in bending." Thesis, London South Bank University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288110.

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This PhD research project mainly examined the important yet incompletely understood field of the mechano-sorptive creep of softwood. It included the acquisition of accurate creep data during constant and cyclic moisture conditions. The study only concerns the loading of softwood in the longitudinal, parallel to the grain direction in bending mode. Mechano-sorptive creep deformation takes place when the wood is subjected to load in varying humidity conditions, where the creep deformation is substantially higher than the creep deformation under constant humidity conditions. Visco-elastic creep is defined as the creep strain that is primarily dependent on time. Further analysis on the pseudo-creep, which is reversible with moisture changes, was also investigated. The Young's Modulus (E) and density (p) of the samples used in this research were measured and the ratio of (E/p) was used to characterise the quality of the wood specimen. A program was written in Quick-Basic for the computer to take readings from the creep machines at all times during all creep tests for acquiring maximum creep data possible for obtaining better results. A 'steaming' technique was implemented to accelerate creep recovery, in order to allow the re-use of the same sample for repeated creep testing, so reducing the effects of variability. Measurements of visco-elastic creep, mechano-sorptive creep limit and pseudo-creep rate as functions of percentage relative humidity and E/p were investigated and analysed. The mechano-sorptive creep limit was successfully reached by the load-reduction method. The pseudo-creep rate was similar for samples with the same values of E/p at different relative humidity. The higher the relative humidity, the larger the magnitude of visco-elastic and the 'reference' creep at the mechano-sorptive creep limit. A higher value of E/p produced lower pseudocreep rate, visco-elastic creep and mechano-sorptive creep limit. Equations were derived from the one week visco-elastic creep experimental data in order to extrapolate visco-elastic creep to longer time durations, (medium, long and permanent periods, and compared to the new European code of practice for timber design, namely the Draft Eurocode 5), and at two critical relative humidity conditions, (63% and 90%rh), which correspond to the Service Classes 1 and 2 in the Draft Eurocode 5. Also, an equation to predict the mechano-sorptive creep limit at various values of E/p for the two critical relative humidity conditions, (63% and 90%rh), was acquired. The prediction of creep at various relative humidities along the pseudo creep line was also quantified. The extrapolated visco-elastic creep along with the total upper-bound creep values were compared to the creep allowances of the Draft Eurocode 5 for both Service Classes 1 and 2. Moreover, a design scheme for estimating the upper-bound creep, consisting of the addition of visco-elastic, mechano-sorptive and pseudo creep for Draft Eurocode 5 Service Classes 1 and 2 was achieved. A study of the degree of interaction between visco-elastic and mechanosorptive creep was further investigated. Two different experiments were performed to reach some conclusion. The results of the first experiment showed that mechanosorptive creep acceleration decreases the visco-elastic creep rate and there was some kind of interaction between the two creep mechanisms. Hence the two creep mechanisms should not be considered as a separate phenomenon. On the other hand, the results of the second experiment showed that the visco-elastic and mechanosorptive creep are not a single process but are related processes. Moreover, it was deduced that the mechano-sorptive creep does not depend on the accumulation of the visco-elastic creep rate.
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Shelton, Christopher Francis. "The mechano-sorptive creep of wood in bending." Thesis, London South Bank University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329808.

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Gul, Rizwan Mahmood 1967. "Bending fatigue and creep of tough matrix laminates." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/17388.

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Craig, Bruce A. "Comparison of creep/duration of load performance in bending of Parallam® parallel strand lumber to machine stress rated lumber." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26194.

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A comparison of the creep/duration of load (DOL) performance of a new structural wood composite material called Parallam® parallel strand lumber (PSL) to two grades of machine-stress-rated (HSR) Douglas-fir lumber is presented in this thesis. Evaluation of the creep/DOL performance was made on nominal 2x4 members under constant bending stress at three stress levels. A total of 306 test specimens were evaluated for a 15-1/2 month time period. The analysis suggests that the duration of load effect for Parallam PSL was consistent with the Madison curve for the time period studied while the MSR Douglas-fir lumber was consistent with recent duration of load models developed for structural lumber. The analysis also indicates that the current duration of load adjustment factors can be applied to develop working stresses for Parallam. The creep behaviour of the Parallam PSL was found to be equivalent or better than the two MSR lumber grades under dry-service conditions. Furthermore, evidence of linear viscoelastic behaviour was found for all test materials within the range of applied stresses evaluated. Two mathematical models of creep were fitted to the creep data and compared. A '4-parameter linear viscoelastic' model fitted the creep data better than an empirical 'power curve' model. The model parameters developed provide a basis for estimating the mean creep behaviour and variability in creep response for these materials under in-service load conditions for dry-service environments.
Forestry, Faculty of
Graduate
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Wang, Jianfeng. "Principles of the draw-bend springback test." Columbus, Ohio : Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1080227128.

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Thesis (Ph. D.)--Ohio State University, 2004.
Title from first page of PDF file. Document formatted into pages; contains xvii, 167 p.; also includes graphics (some col.). Includes abstract and vita. Advisor: Robert H. Wagoner, Dept. of Materials Science and Engineering. Includes bibliographical references (p. 158-167).
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Jianfeng, Wang. "Principles of the draw-bend springback." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1080237228.

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François, Emmanuel. "Modèles éléments finis du formage du verre par procédés Press-bend et Blow-bend : Optimisation des paramètres process par méthode inverse." Valenciennes, 1997. https://ged.uphf.fr/nuxeo/site/esupversions/0caa37a3-30f2-4654-b2ac-dde557896c18.

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Pour prévoir et mettre au point la mise en forme d'objets en verre à partir de feuilles plates, les simulations numériques par éléments finis sont développées pour deux grands procédés, le Press-bend et le Blow-bend. Ces deux procédés, utilisés actuellement par les fabricants verriers, comportent deux phases essentielles: le pressage et le fluage pour le premier, le soufflage et le fluage pour le second. Ces modes de production nécessitent la maitrise d'un nombre important de paramètres. Les délais de conception et la minimisation des couts de revient limitent le nombre de mises au point expérimentales. C'est à ce niveau que les simulations numériques en tant qu'outil d'étude de faisabilité et d'optimisation, joue un rôle déterminant. Celles-ci sont associées à une stratégie originale intégrant la conception assistée par ordinateur pour décrire les entités géométriques et surfaciques, et à la métrologie afin de vérifier les critères dimensionnelles. A partir des prescriptions initiales du concepteur, la confrontation des résultats numériques et des relevés expérimentaux pour quatre volumes formes par Press-bend et Blow-bend permettent la validation des paramètres process utilisés. Finalement, une méthode inverse est mise en œuvre afin d'optimiser, dans un premier temps, la carte de températures dans le volume avant formage puis, la topologie des outils de mise en forme.
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Malakoski, Joice. "Pilares esbeltos de concreto armado com seção variável." Universidade de São Paulo, 1998. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-22022018-152222/.

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São descritas as recomendações da Norma Brasileira NBR-6118/1978 e do Código Modelo do Comité Euro-internacional du Béton CEB-1990 para a verificação da estabilidade de pilares esbeltos de concreto armado com seção variável submetidos à flexão normal composta, empregando-se a teoria do método geral. Para a obtenção dos momentos de segunda ordem são descritos os métodos de Engesser-Vianello e da integração numérica das curvaturas das seções transversais ao longo do pilar. Para a determinação do momento fletor absorvido pelas seções em função da curvatura proveniente da flexão do pilar sob a ação de uma força normal, desenvolvem-se as expressões para seções retangulares e circulares (cheias e vazadas) com base nas relações de tensão-deformação dos materiais segundo a norma e o código supracitados. Apresenta-se também um programa para microcomputador, elaborado em linguagem PASCAL, destinado à verificação da estabilidade de pilares com opção de adoção dos critérios da NBR-6118/1978 ou do CEB-1190. Não foram abordados os efeitos decorrentes de vibrações, fazendo-se apenas a descrição dos métodos de consideração dos efeitos decorrentes da deformação lenta.
The recommendations of Brazilian Code NBR-6118/1978 and Comité Euro-Internacional du Béton Model Code CEB-1990 are described, for stability verification of concrete slender columns with variable cross sections, subjected to axial load and bending moment, using the exact method. To obtain the second order bending moments, the Engesser-Vianello method and the numeric integration of the cross section curvatures along the longitudinal axial of column method are described. To obtain of bending moment supported by the cross sections due to curvature resultant of the column flexure under axialload, expressions for rectangular and circular (full and hollow) cross sections are developed, using stress-strain relations for materials proposed by model codes above mentioned. It\'s also presented a software written in PASCAL language for microcomputer and destined to column stability verification, with option to adopt the NBR-6118/1978 or CEB-1990 model code recommendations. Effects due to vibrations were nor included. Methods to take in account creep effects were described.
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Moreau, Philippe. "Nouvelle stratégie pour le formage de produits plats vers une géométrie complexe avec conception assistée par ordinateur modèles éléments finis et métrologie : Application au fluage et pressage de verre plat." Valenciennes, 1994. https://ged.uphf.fr/nuxeo/site/esupversions/fc1970be-0071-4fd7-b31c-fe536a37e53e.

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Saulnier, Florence. "Influence de traitements physico-chimiques des renforts sur le comportement mécanique des composites à base de co-produits de bois." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2013. http://tel.archives-ouvertes.fr/tel-00959532.

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Cette thèse porte sur le traitement de la farine de bois et son utilisation comme renforts de composites à matrice polymère. En effet, l'incompatibilité entre le bois, hydrophile, et les polymères, généralement hydrophobes, est la principale difficulté de mise en oeuvre des composites bois-polymère. Un traitement des renforts bois est alors nécessaire pour améliorer les propriétés mécaniques et hygroscopiques des composites. Un traitement par fluoration directe est ici proposé pour diminuer le caractère hydrophile du bois et augmenter son adhésion avec la matrice polymère. Après une phase de développement et de réglage du traitement, une caractérisation physico-chimique de la farine de bois non-traitée ou fluorée a été réalisée afin d'observer l'effet de la fluoration. Le greffage de fluor sur les constituants du bois a été validé, et une diminution du nombre des sites de sorption de l'eau dans le bois a été constatée. Cette réduction a conduit à une diminution de la teneur en eau du bois après fluoration. En outre, la structure physique des particules et le comportement thermique du bois n'ont pas été modifiés par le traitement. Des composites bois-polyester ont été fabriqués par moulage par compression à chaud, avec des renforts non-traités et fluorés. Ceux-ci ont été testés en traction, en flexion, et en fluage afin d'observer l'influence du traitement sur les propriétés mécaniques des composites. Par ailleurs, une caractérisation hygroscopique a également été conduite. Les résultats montrent que la fluoration directe des renforts permet d'améliorer les propriétés mécaniques et hygroscopiques des composites bois-polyester.
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Book chapters on the topic "Bending-creep"

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Casucci, Daniene, Catherina Thiele, and Jürgen Schnell. "Experimental Investigation on Bending Creep in Cracked UHPFRC." In Short Fibre Reinforced Cementitious Composites and Ceramics, 19–31. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-00868-0_2.

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Hiroe, T., H. Matsuo, K. Fujiwara, and F. Ohashi. "Numerical and Experimental Creep Bending Behavior of Polyethylene Beams." In IUTAM Symposium on Creep in Structures, 489–98. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9628-2_47.

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Bergers, L. I. J. C., J. P. M. Hoefnagels, and M. G. D. Geers. "Creep measurements in free-standing thin metal film micro-cantilever bending." In MEMS and Nanotechnology, Volume 4, 167–71. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0210-7_24.

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Chen, Jian Jun, Fu Zhen Xuan, Zheng Dong Wang, and Shan Tung Tu. "Creep Behavior of Functionally Graded Material under In-Plane Bending Moment." In Key Engineering Materials, 449–52. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-456-1.449.

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Daviau-Desnoyers, D., J. P. Charron, B. Massicotte, P. Rossi, and J. L. Tailhan. "Creep Behavior of a SFRC Under Service and Ultimate Bending Loads." In RILEM Bookseries, 223–35. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-024-1001-3_18.

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Li, Yongxiang, Xiatong Kang, Qi Gao, and Yongjie Jia. "Rheological Properties of Composite Modified Asphalt with Direct Coal Liquefaction Residues." In Lecture Notes in Civil Engineering, 59–74. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1748-8_5.

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AbstractIn order to solve the problem of high-value utilization of coal-to-oil residual direct coal liquefaction residual asphalt, it is compounded with SBS and aromatic oil to modify the matrix asphalt, and 9 compounding schemes are designed using orthogonal experimental methods. Dynamic frequency sweep tests using DSR and a simplified Carreau equation model fitted to the complex viscosity to obtain its zero shear viscosity; the creep recovery rate, irrecoverable creep flexibility and irrecoverable creep flexibility difference of each modified asphalt were determined by MSCR at different temperatures and stress levels, and the high temperature rheological properties of 9 composite modified asphalts were evaluated by grey correlation analysis of zero shear viscosity and high temperature rheological parameters. Bending beam rheological experiments were carried out on the aged composite modified asphalt to analyse its low temperature rheological properties based on the viscoelastic parameters and linear fitting of the Burgers model. The results show that: The high temperature deformation resistance of DCLR composite modified asphalt are better than the matrix asphalt, the most influential modifier is SBS, and the higher the dose, the stronger the high temperature deformation resistance. The unrecoverable creep flexibility Jnr3.2 at 70 °C can better respond to the high temperature performance of asphalt, the ratio of 9% DCLR + 4% SBS + 2% aromatic oil DCLR composite modified asphalt with the best high temperature performance. Burgers model can better reflect the creep process of asphalt, DCLR composite modified asphalt has some defects in low temperature performance, the higher the dose of DCLR, the poorer the low temperature performance of the composite modified asphalt. The low temperature sensitivity of DCLR composite modified asphalt has been reduced, low temperature crack resistance has been slightly enhanced.
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Dujmović, Darko, Boris Androić, and Ivan Lukačević. "Determination of Creep and Shrinkage Values and their Effects at Calculation of Bending Moments." In Composite Structures According to Eurocode 4, 27–43. D-69451 Weinheim, Germany: Wiley-VCH Verlag GmbH, 2015. http://dx.doi.org/10.1002/9783433604908.ch3.

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Bao, Yi Wang, and Yan Chun Zhou. "Bending Creep and Stress Relaxation of Ti3AlC2 at High Temperature." In High-Performance Ceramics III, 1373–78. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-959-8.1373.

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Sobotka, Z. "Bending of Orthotropic Viscoelastic Plates with Thermal Effects." In Creep in Structures, 621–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84455-3_71.

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Sargsyan, Samvel H. "Bending and Contact Problem for a Graphene Sheet Within the Framework of the Model of Bending Deformation of Elastic Thin Plates Based on Cosserat Theory." In Solid Mechanics, Theory of Elasticity and Creep, 299–310. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18564-9_22.

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Conference papers on the topic "Bending-creep"

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Ramos, Jorge A. "Creep behavior of thin metal sheets during laser bending." In ICALEO® 2001: Proceedings of the Laser Materials Processing Conference and Laser Microfabrication Conference. Laser Institute of America, 2001. http://dx.doi.org/10.2351/1.5059932.

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Kazatchkov, Igor B., Jiri Stastna, Ludo Zanzotto, Albert Co, Gary L. Leal, Ralph H. Colby, and A. Jeffrey Giacomin. "Extended Creep Recovery via Oscillatory Shear and Bending Beam Rheometers." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964572.

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Kim, Young Suk, and Don R. Metzger. "A Finite Element Study of Friction Effect in Four-Point Bending Creep Test." In ASME 2003 Pressure Vessels and Piping Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/pvp2003-1894.

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Creep tests are often performed in four-point bending and the stress distribution in the bending specimen is nonlinear, so creep properties are estimated from bend creep test data. However, getting creep properties from bending creep tests is often doubted because of uncertainties from contact point shift and frictional effect between loading pin and specimen in four-point bending creep tests. Finite element simulations of the four-point bending creep tests were performed with geometric models which include contact conditions. It was found from simulation studies that friction in the bend tests can cause error in the estimation of creep properties, but when no friction was applied in simulations the creep properties were well predicted from bend test data.
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Hilaire, A., F. Benboudjema, A. Darquennes, Y. Berthaud, and G. Nahas. "Analysis of Concrete Creep in Compression, Tension and Bending: Numerical Modeling." In Ninth International Conference on Creep, Shrinkage, and Durability Mechanics (CONCREEP-9). Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413111.041.

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Zhang, Haibiao, and Ailun Wang. "Creep Bending Analysis of Combined Rotor for Gas Turbine Considering Contact Stiffness." In 2015 Joint International Mechanical, Electronic and Information Technology Conference. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/jimet-15.2015.220.

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Miroshnikov, Vitaly, Oleksandr Savin, Volodymyr Sobol, and Basheer Younis. "Method of solution of a dynamic creep-damage problem for beams bending." In RELIABILITY AND DURABILITY OF RAILWAY TRANSPORT ENGINEERING STRUCTURE AND BUILDINGS. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0120566.

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Wen, Shifeng, Sibo Zhou, and Xianglei Liu. "Effect of Surface Roughness on the Determination of the Creep Properties of Material by Using Three Points Bending Creep Test." In International Symposium on Mechanical Engineering and Material Science (ismems-16). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/ismems-16.2016.5.

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Gabrel, Jean, Walter Bendick, Carine Zakine, and Bruno Vandenberghe. "Cold Bending of Boiler Tubes in New Grades." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/creep2007-26571.

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New high creep resistant steels have to be bent according to specific procedures in order to preserve parent tube properties. Cold bending of tubing can lead to an important level of deformation in extrados and intrados areas depending on the bending radius and the process used. Fabrication codes allow bending without any heat treatment in case of small deformation. However in case of larger deformation they may require a stress relieving treatment (SRT) in order to eliminate the brittleness of severely cold worked areas. In addition the bends often undergo a post weld heat treatment (PWHT) due to welds in boiler components. A softening effect can occur on these cold worked areas during heat treatment (SRT or PWHT) or service depending on the operation conditions. This softening effect resulting from recrystallization or recovery phenomena can be detrimental to the creep properties. This conference paper focuses on the creep behavior of several new steel grades such as T23, T24, T92 and VM12 after cold bending followed by different heat treatments. The results are compared with the well-known T91 grade, taken as a reference. Recommendations for cold bending are proposed to define the best fabrication routes for these new steels and compared with fabrication codes, mainly with the recent ASME proposal for T91 steel.
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Cheng, Yongchun, Qinglin Guo, and Guojin Tan. "Theoretical and Experimental Analysis on Bending Creep Characterizations of Asphalt Concrete Using Modified Method." In Third International Conference on Transportation Engineering (ICTE). Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41184(419)326.

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Sun, Zhenguo, and Boqin Gu. "Effect of External Bending Moment and Creep on Sealing Behavior of Bolted Flanged Connections." In 2009 International Conference on Measuring Technology and Mechatronics Automation. IEEE, 2009. http://dx.doi.org/10.1109/icmtma.2009.459.

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