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Journal articles on the topic 'Strain rate and temperature effect'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Turkoz, Mevlut, Selcuk Halkacı, and Muammer Koç. "The Effect of Temperature and Strain-Rate Sensitivity on Formability of AA 5754." Applied Mechanics and Materials 217-219 (November 2012): 1596–601. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.1596.

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Aluminum alloys have limited usage because of their limited formability at room temperatures. In order to design and develop more parts made of aluminum, new forming techniques such as hydroforming, warm forming and warm hydroforming have been researched to overcome the low formability issues. This, in turn, necessitates understanding and modeling the behavior of aluminum alloys at different temperatures and strain rates. This paper deals with the investigation of the effect of temperature and strain rate sensitivity on the formability of AA 5754 aluminum alloy. Tensile tests were carried out

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2

Wang, Yanju, Pengfei Wu, Xiaolei He, Wei Zhao, Xiang Lan, and Yanshan Lou. "Precise Modeling of Thermal and Strain Rate Effect on the Hardening Behavior of SiC/Al Composite." Materials 15, no. 6 (2022): 2000. http://dx.doi.org/10.3390/ma15062000.

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Temperature and strain rate have significant effects on the mechanical behavior of SiC/Al 2009 composites. This research aimed to precisely model the thermal and strain rate effect on the strain hardening behavior of SiC/Al composite using the artificial neural network (ANN). The mechanical behavior of SiC/Al 2009 composites in the temperature range of 298–623 K under the strain rate of 0.001–0.1 s−1 was investigated by a uniaxial tension experiment. Four conventional models were adopted to characterize the plastic flow behavior in relation to temperature, strain rate, and strain. The ANN mode

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3

Chen, Tao Hsing. "The Influence of Ti and Al Additions on the Mechanical Response of Cobalt Superalloy." Applied Mechanics and Materials 284-287 (January 2013): 235–40. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.235.

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The effect of titanium and aluminum contents, strain, strain rate and tested temperatures on the mechanical properties and microstructural properties will be investigated in this study. These cobalt base super alloys are to be tested using material testing system (MTS) at strain rates of 10-3, 10-2 and 10-1s-1 and at temperatures of 700°C, 500°C and 25°C respectively. It is found that the flow stress increases with increasing strain rate and Ti and Al contents, but decreases with increasing temperature. Furthermore, the strain rate sensitivity increases with increasing strain rate, but decreas

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4

Wu, Peng, Lianying Zhang, Xianbiao Mao, et al. "Coupling Effect of Strain Rate and Freeze-Thaw Temperature on Dynamic Mechanical Properties and Fractal Characteristic of Saturated Yellow Sandstone." Geofluids 2021 (September 26, 2021): 1–14. http://dx.doi.org/10.1155/2021/7511467.

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Strain rate is not only an important influence factor for deformation property but also an important parameter for analyzing the dynamic mechanical behavior of rock material. In this study, the dynamic compressive mechanical properties of saturated yellow sandstone at four strain rates and six freeze-thaw temperatures are investigated by using the SHPB test system. The coupling effect of strain rate and freeze-thaw temperatures on the mechanical parameters of rock material are discussed in detail, and the relationship formula of peak strain and dissipated energy with strain rate and freeze-tha

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5

Tamrakar, Sandeep, Raja Ganesh, Subramani Sockalingam, Bazle Z. (Gama) Haque, and John W. Gillespie. "Strain rate-dependent large deformation inelastic behavior of an epoxy resin." Journal of Composite Materials 54, no. 1 (2019): 71–87. http://dx.doi.org/10.1177/0021998319859054.

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The objective of this paper is to model high strain rate and temperature-dependent response of an epoxy resin (DER 353 and bis( p-aminocyclohexyl) methane (PACM-20)) undergoing large inelastic strains under uniaxial compression. The model is decomposed into two regimes defined by the rate and temperature-dependent yield stress. Prior to yield, the model accounts for viscoelastic behavior. Post yield inelastic response incorporates the effects of strain rate and temperature including thermal softening caused by internal heat generation. The yield stress is dependent on both temperature and stra

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6

Qin, Fangcheng, Huiping Qi, Yuehua Kang, and Chongyu Liu. "Study on Constitutive Characteristic of As-Cast AA6061 Alloy under Plane Strain Compression Based on Orthogonal Analysis." Advances in Materials Science and Engineering 2019 (September 30, 2019): 1–11. http://dx.doi.org/10.1155/2019/9328630.

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Constitutive relationship and microstructure evolution of as-cast AA6061 alloy were studied using plane strain compression (PSC) under the temperature of 300–450°C, the strain rate of 0.01–5 s−1, and the strain of 0.9. It is found that the flow stress decreases with increasing temperature and decreasing strain rate. The dynamic recovery (DRV) and recrystallization (DRX) are found to easily occur by optical microscopic (OM) techniques. The softening mechanisms are mainly due to DRV that is accompanied by a slight DRX. Based on orthogonal analysis, the strain should be taken into account to deri

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7

de Melo Pereira, Alexandre, Marcelo Costa Cardoso, and Luciano Pessanha Moreira. "Effects of Strain-Rate and Deformation Mode on Strain-Induced Martensite Transformation of AISI 304L Steel Sheet." Applied Mechanics and Materials 835 (May 2016): 216–21. http://dx.doi.org/10.4028/www.scientific.net/amm.835.216.

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Metastable austenitic stainless steels are prone to strain-induced martensitic transformation (SIMT) during deformation at room temperature, as in the case of sheet metal forming processes. SIMT is influenced by chemical composition, grain size, temperature, deformation mode or stress state and strain-rate effects. In this work, uniaxial and plane-strain tension tests were performed in AISI 304L sheet to evaluate the SIMT as a function of strain-rate. Feritscope and temperature in-situ measurements were performed during the uniaxial tensile testing. Digital image correlation (DIC) technique wa

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8

Peng, Shuai, Zhenpeng Yu, Qi Zhao, et al. "Research on Dynamic Compressive Performance and Failure Mechanism Analysis of Concrete after High Temperature and Rapid Cooling." Materials 15, no. 13 (2022): 4642. http://dx.doi.org/10.3390/ma15134642.

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To investigate the dynamic compressive properties of concrete after high temperature and rapid cooling, an experimental study was carried out by considering five temperatures and four strain rates. The coupling effect of high temperature and strain rate on concrete damage morphology and mechanical parameters was comparatively analyzed. The main conclusions are as follows: the compressive damage morphology of concrete is affected by strain rate development trends of significant variability under different temperature conditions. As the strain rate increases, the compressive stress and elastic m

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9

Chen, Tao-Hsing. "THE MECHANICAL BEHAVIOUR OF COBALT SUPERALLOYS WITH TI ELEMENT ADDITION." Transactions of the Canadian Society for Mechanical Engineering 37, no. 3 (2013): 365–73. http://dx.doi.org/10.1139/tcsme-2013-0026.

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The influence of titanium element, strain rate and tested temperatures on the mechanical properties and microstructural characteristics will be investigated in this paper. These cobalt-based superalloys are tested using material testing system (MTS) at strain rates of 10−3, 10−2 and 10−1 s−1 and at temperatures of 700, 500 and 25° C, respectively. It is found that the flow stress increases with increasing strain rate and Ti, but decreases with increasing temperature. Furthermore, the strain rate sensitivity increases with increasing strain rate, but decreases with increasing temperature. The m

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10

Yang, Xiuyuan, Zhenlong Ge, Qiang Sun, and Weiqiang Zhang. "Effect of Temperature and Strain Rate on the Brittleness of China Sandstone." Geofluids 2021 (December 7, 2021): 1–10. http://dx.doi.org/10.1155/2021/6782146.

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To quantitatively study the influence of temperature and strain rate on the brittleness of sandstone, the mechanical parameters of sandstone under different temperatures and strain rates are collected from the previous literature, and two empirical equations for calculating rock brittleness are used to quantitatively calculate and evaluate the brittleness of sandstone. The results show that both BI1 and BI2 can characterize the brittleness of sandstone, but the applicable conditions are different. The BI1 method is more accurate in calculating the variation in the sandstone brittleness with a

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11

Chandran, Sarath, Wenqi Liu, Junhe Lian, Sebastian Münstermann, and Patricia Verleysen. "Dynamic strain aging in DP1000: Effect of temperature and strain rate." Materials Science and Engineering: A 832 (January 2022): 142509. http://dx.doi.org/10.1016/j.msea.2021.142509.

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12

Wang, Qiaoyu, Jianbin Wang, Anheng Wang, Chaoqun Zhou, Jiale Hu, and Fei Pan. "Effect of Strain Rate and Temperature on the Tensile Properties of Long Glass Fiber-Reinforced Polypropylene Composites." Polymers 15, no. 15 (2023): 3260. http://dx.doi.org/10.3390/polym15153260.

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Strain rate and temperature are influential factors that significantly impact the mechanical properties of long glass fiber-reinforced polypropylene composites. This study aims to investigate the tensile properties of these composites, analyzing the effects of temperature, strain rate, and their interplay on variables such as tensile stress, tensile strength, fracture stress, and fracture morphology through a series of comprehensive tensile experiments. The experimental results demonstrate a notable increase in both tensile strength and tensile fracture stress when the temperature is set at 25

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13

Mardoukhi, Ahmad, Jari Rämö, Taina Vuoristo, Amandine Roth, Mikko Hokka, and Veli-Tapani Kuokkala. "Effects of microstructure on the dynamic strain aging of ferriticpearlitic steels at high strain rates." EPJ Web of Conferences 183 (2018): 03009. http://dx.doi.org/10.1051/epjconf/201818303009.

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This paper presents an experimental study of the effects of dynamic strain aging on the mechanical behavior of selected high carbon and chromium-manganese steels in dynamic loading condition. In ferritic-pearlitic steels, the dynamic strain aging is typically caused by carbon, nitrogen, and possibly some other small solute atoms. Therefore, the thermomechanical treatments affect strongly how strong the dynamic strain aging effect is and at what temperature and strain rate regions the maximum effect is observed. In this work, we present results of the high temperature dynamic compression tests

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14

Lee, W.-S., C.-F. Lin, and B.-T. Chen. "Tensile properties and microstructural aspects of 304L stainless steel weldments as a function of strain rate and temperature." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 219, no. 5 (2005): 439–51. http://dx.doi.org/10.1243/095440605x17045.

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This paper presents an investigation into the effects of loading rate and temperature on the tensile properties and microstructural evolution of 304L stainless steel weldments. The stress-strain behaviour during tension was determined by loading specimens in a material testing system at strain rates ranging from 10−3 to 10−1 s−1 and temperatures between −100 and 500°. Extensive quantitative microstructural examinations were performed to identify the correlation between the tensile response and the substructure of dislocations and α’ martensite. It was found that the tensile flow stress increas

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15

Hou, Bo, Yong Huang, Mingming Ding, and Hongji Dong. "Effect of temperature and strain rate fluctuation on forming limit curve of 5083 Al-Mg alloy sheet." Advances in Mechanical Engineering 14, no. 6 (2022): 168781322211074. http://dx.doi.org/10.1177/16878132221107425.

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The temperature and strain rate have significant effect on the formability of Al-Mg alloy sheet during warm forming process. Forming limit curve (FLC) is widely used for predicting sheet failure in warm forming simulation. However, the current simulation and optimization may lead to non-robust results, due to not considering the variation of FLC caused by the randomness of sheet temperature and deformation velocity, etc. In this study, a theoretical approach is developed to predict the temperature and strain rate dependent FLC. Backofen constitutive equation is extended, in which the material

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16

Shekhar, Shashank, S. Abolghashem, S. Basu, J. Cai, and M. Ravi Shankar. "Interactive Effects of Strain, Strain-Rate and Temperatures on Microstructure Evolution in High Rate Severe Plastic Deformation." Materials Science Forum 702-703 (December 2011): 139–42. http://dx.doi.org/10.4028/www.scientific.net/msf.702-703.139.

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During high rate severe plastic deformation (HRSPD), strain and strain-rate are not the only external factors that determine microstructural transformations in materials, temperature-rise due to heat generation from deformation processes, also plays an important role. Temperature may influence the microstructure directly by controlling grain growth kinetics and it may also have an indirect effect through the interactive effect on material behavior, which in turn, influences strain and strain-rate parameters. This complex thermomechanics of HRSPD can lead to myriad of microstructure and consequ

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17

Ruan, Jing Kui, and Ming Mao Hu. "Temperature and Strain-Rate Effect to Mechanical Behavior of Mo-Cr Alloy Cast Iron." Materials Science Forum 704-705 (December 2011): 918–22. http://dx.doi.org/10.4028/www.scientific.net/msf.704-705.918.

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Mo-Cr alloy cast iron is the most important material often used to make auto panel dies. To study high-speed machining process of auto panel dies, the material’s elastic modulus and fracture critical values of Mo-Cr alloy iron at 20°C-800°C were studied based on the high temperature elongation test. The material’s stress-strain relation curves at various temperatures (20°C-500°C) and various strain-rates (500/s-5000/s) were studied and the dynamic tensile yield strength values were obtained by dynamic SHPB(Split Hopkinson Pressure Bar) high-speed compression test. The test observation showed t

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18

Date, Hidefumi. "Effect of Strain Rates on the Transformation Behavior of Ni-Ti Alloy." Materials Science Forum 539-543 (March 2007): 3231–36. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.3231.

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In order to clarify the effect of strain rates on phase transformation behaviors of Ni-Ti alloy, a compressive test using a cylindrical specimen of polycrystalline Ni-Ti alloy of Ti-50.69 at% Ni was carried out at a high strain rate and a low strain rate. The transformation temperatures were determined by a differential scanning calorimeter (DSC) using a sample cut from a compressed specimen. The transformation temperatures of the specimens before deformation were Ms= 303 K, Mf = 287 K, As = 297 K and Af = 319 K, respectively. The compressive test was carried out using specimen heated from liq

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19

Pan, Boyu, Fuhui Shen, Sanjay Raghav Sampathkumar, and Sebastian Münstermann. "Modeling Strain Hardening of Metallic Materials with Sigmoidal Function Considering Temperature and Strain Rate Effects." Materials 17, no. 16 (2024): 3950. http://dx.doi.org/10.3390/ma17163950.

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This study uses a sigmoidal function to describe the plastic strain hardening of metallic materials, considering temperature and strain rate effects. The effectiveness of this approach is evaluated and systematically compared with other hardening laws. Incorporating temperature and strain rate effects into the parameters of this sigmoidal-type hardening law enables a more precise description and prediction of the plastic deformation of materials under different combinations of temperature and strain rate. The temperature effect is coupled using a simplified Arrhenius model, and the strain rate

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20

Jia, Bin, Zheng Liang Li, Jun Lin Tao, and Chun Tao Zhang. "Mechanical Behavior and Constitutive Equation of Concrete under High-Temperature Dynamical Conditions." Advanced Materials Research 228-229 (April 2011): 303–8. http://dx.doi.org/10.4028/www.scientific.net/amr.228-229.303.

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SPHB tests of concrete under different temperatures and various loading conditions are completed, and high-temperature dynamical behavior of concrete is obtained. Dynamical mechanical behavior of concrete with high temperature is affected by not only the strain rate effect, but also the high temperature weakening effect, and the strain rate hardening effect is coupled with high temperature weakening effect, but the latter has greater influence. Concrete failure evolution is described on basis of the damage factor, the intercoupling strain rate hardening effect and temperature weakening effect

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21

Wang, X. B. "Peak and Average Temperatures in Adiabatic Shear Band for Thermo-Viscoplastic Metal Materials." Key Engineering Materials 345-346 (August 2007): 133–36. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.133.

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Gradient-dependent plasticity considering the microstructural effect is introduced into Johnson-Cook model to calculate the nonuniform temperature distribution in adiabatic shear band (ASB) and the evolutions of average and peak temperatures in ASB. Effects of initial static yield stress, strain-hardening coefficient, strain-hardening exponent, strain-rate parameter and thermal-softening parameter are numerically investigated. The calculated peak temperature in ASB considering both the plastic work and the microstructural effect is always greater than the average temperature calculated only us

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22

Davies, Chris H. J. "The Effect of Twinning on Strain Rate Sensitivity during the Compression of Extruded Magnesium Alloy AZ31." Materials Science Forum 539-543 (March 2007): 1723–28. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.1723.

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Samples of extruded magnesium alloy AZ31 (nominally 3 wt% Al, 1 wt% Zn, 0.3 wt% Mn, with the balance magnesium) were tested in uniaxial compression at temperatures from room temperature to 200°C. Monotonic and strain rate jump tests were conducted, and strain rate sensitivity, and activation volume were determined. At the lower temperatures tested, strain rate sensitivity was found to increase with strain to a limiting value, whereas at 200°C strain rate sensitivity initially followed a similar trend, but did not reach a limit within the bounds of the test. The effect of temperature on strain

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Tang, Rui, Zhenpeng Yu, Guoqing Liu, Furong Li, and Wenbin Tang. "Uniaxial Dynamic Compressive Behaviors of Hydraulic Asphalt Concrete under the Coupling Effect between Temperature and Strain Rate." Materials 13, no. 23 (2020): 5348. http://dx.doi.org/10.3390/ma13235348.

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To investigate the compressive dynamic properties of hydraulic asphalt concrete under various temperatures, four temperatures and four strain rates have been set to perform the uniaxial compression experiments using hydraulic servo machine in this paper. The influence of temperature and strain rate on the failure modes, stress-strain curves and mechanical characteristic parameters of hydraulic asphalt concrete is analyzed and the results reveal that the failure modes and stress-strain curves have significant temperature effect. When the temperature is between −20 °C and 0 °C, the failure mode

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Liu, Chuan Xiong, Yu Long Li, Bing Hou, Wei Guo Guo, and Jin Long Zou. "Dynamic Compressive Behavior of Concrete at High Temperatures." Advanced Materials Research 217-218 (March 2011): 1811–16. http://dx.doi.org/10.4028/www.scientific.net/amr.217-218.1811.

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For investigating the effect of temperature on the dynamic properties of concrete material, tests for cylindrical concrete specimens at 23°C ~ 800°C were carried out by using Split Hopkinson Pressure Bar (SHPB) apparatus, and the strain rates ranged from 30/s to 220/s. Effects of temperature and strain-rate on the dynamic behavior of concrete were analyzed. The results show that: above 4000C, the dynamic compressive strength of concrete decreases with increasing temperature, and the enhancements of strain-rates on the compressive strength of concrete depend significantly on temperatures. Moreo

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Andersen, Glen R., Christopher W. Swan, Charles C. Ladd, and John T. Germaine. "Small-strain behavior of frozen sand in triaxial compression." Canadian Geotechnical Journal 32, no. 3 (1995): 428–51. http://dx.doi.org/10.1139/t95-047.

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The stress–strain behavior of frozen Manchester fine sand has been measured in a high-pressure low-temperature triaxial compression testing system developed for this purpose. This system incorporates DC servomotor technology, lubricated end platens, and on-specimen axial strain devices. A parametric study has investigated the effects of changes in strain rate, confining pressure, sand density, and temperature on behavior for very small strains (0.001%) to very large (> 20%) axial strains. This paper presents constitutive behavior for strain levels up to 1%. On-specimen axial strain measurem

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Adarsh, S. H., and Vedamanickam Sampath. "Effect of Temperature, Strain and Strain Rate on Efficiency of Power Dissipation during Hot Deformation of Fe-28Ni-17Co-11.5Al-2.5Ta-0.05B (at. %) Shape Memory Alloy Using Taguchi Method." Advanced Materials Research 1156 (December 2019): 1–9. http://dx.doi.org/10.4028/www.scientific.net/amr.1156.1.

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Recently a ferrous-based Fe-28Ni-17Co-11.5Al-2.5Ta-0.05B (at.%) shape memory alloy (abbreviated NCATB) has attracted attention because of its huge superelasticity (～13%). In order to manufacture this alloy on a large scale, a deeper knowledge of the plastic deformation behaviour of the alloy is required. During hot deformation, temperature and strain rate exert significant effect on the mechanical properties. The main objective of the work, therefore, is to investigate the influence of deformation parameters, such as temperature, strain rate and strain, on flow behaviour of an NCATB shape memo

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Wang, Qiang Song, Dong Mei Liu, Guo Liang Xie, Wei Bin Xie, Yang Li, and Xue Cheng Gao. "High Temperature High Strain-Rate Tensile and Compressive Deformation Behaviors of Cu-Zn-Sn-Al Alloy." Materials Science Forum 817 (April 2015): 55–62. http://dx.doi.org/10.4028/www.scientific.net/msf.817.55.

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The present work gives a systematic study on the high temperature and high strain-rate deformation behaviors of a two-phase α/β Cu-Zn-Sn-Al alloy, by combining the split Hopkinson bar experiments and microstructural investigations. The results show that under high strain-rate, both the dislocation slip and deformation twins within the α phase contribute to the plastic strengthening of Cu-Zn-An-Al alloy, resulting in the strain-rate-hardening effect. As the deformation temperature increases, the shapes of the stress-strain curves are mainly influenced by the temperature-softening effect and the

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Li, Liangliang, Xin Pan, Yongliang Zhang, et al. "Dynamic Mechanical Properties and Modified Material Constitutive Model for Hot Forged Ti2AlNb over Wide Ranges of Temperature and Strain Rate." Materials 17, no. 11 (2024): 2572. http://dx.doi.org/10.3390/ma17112572.

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In this paper, the stress–strain curves of Ti2AlNb are established based on uniaxial impact tests over wide ranges of temperature and strain rate. The Ti2AlNb exhibited the work hardening effect but did not show an obvious yield stage during a quasi-static compression test. In the SHPB test, an obvious temperature softening effect was found, the strain rate strengthening effect was detected when the strain rate was 4000–8000 s−1, and the strain rate softening effect was detected in the range of 8000–12,000 s−1. A function describing the effect of strain rate on the strain rate strengthening pa

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Cai, M. C., L. S. Niu, T. Yu, H. J. Shi, and X. F. Ma. "Strain rate and temperature effects on the critical strain for Portevin–Le Chatelier effect." Materials Science and Engineering: A 527, no. 20 (2010): 5175–80. http://dx.doi.org/10.1016/j.msea.2010.05.001.

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Katahira, Takashi, Syohei Hosokawa, Tetsuo Naka, Masahide Kohzu, Hiroki Adachi, and Fusahito Yoshida. "Effect of Temperature on Cyclic Behavior of AZ31 Mg Alloy Sheet." Advanced Materials Research 939 (May 2014): 47–52. http://dx.doi.org/10.4028/www.scientific.net/amr.939.47.

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Magnesium alloy sheets have a potential to be widely used in many fields of industry due to their excellent lightweight property. Although magnesium alloys have low ductility at the room temperature due to their hexagonal close-packed structure, their formability can be improved at elevated temperatures. Therefore, warm press-forming of magnesium alloy sheets is an attractive technology. The objective of the present work is to investigate the cyclic plasticity behavior of an AZ31 sheet at elevated temperatures by performing cyclic tension-compression experiments. The cyclic deformation mechani

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Nor, Fethma M., Ho Yong Lee, Joong Yeon Lim, and Denni Kurniawan. "Strain rate and temperature effects on elastic properties of polycaprolactone/starch composite." e-Polymers 16, no. 3 (2016): 217–23. http://dx.doi.org/10.1515/epoly-2015-0261.

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AbstractComposite of polycaprolactone (PCL) and starch is a potential biomaterial for tissue engineering scaffolds. During implantation, its mechanical properties might be compromised considering the various strain rates it is subjected to and that human body temperature is close to polycaprolactone’s melting temperature. This study aims at revealing the effect of strain rate and temperature to the elastic properties of polycaprolactone-starch composite. Tensile test at strain rates of 5, 0.1, and 0.01 mm/min at ambient and body temperatures were performed. It was revealed that strain rate as

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Doiphode, Rajendra, Rahul Ramesh Kulkarni, S. V. S. Narayana Murty, Nityanand Prabhu, and Bhagwati Prasad Kashyap. "Effect of Severe Caliber Rolling on Superplastic Properties of Mg-3Al-1Zn (AZ31) Alloy." Materials Science Forum 735 (December 2012): 327–31. http://dx.doi.org/10.4028/www.scientific.net/msf.735.327.

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Fine grains were developed in Mg-3Al-1Zn (AZ31) alloy by isothermal caliber rolling at five different temperatures in the range of 250-450°C. The samples of different grain sizes were deformed by constant strain rate and differential strain rate test techniques over the temperature range of 220-450 °C and strain rate range of 10-5 to 10-1 s-1. The effects of grain size, test temperature and strain rate on flow stSuperscSuperscript textript textress were analysed to develop the constitutive relationship for supSuperscript texterplastic deformation. The parameters of the constitutive relationshi

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Ekabote, Nagaraj, Krishnaraja G. Kodancha, T. M. Yunus Khan, and Irfan Anjum Badruddin. "Effect of Strain Rate and Temperature on Tensile and Fracture Performance of AA2050-T84 Alloy." Materials 15, no. 4 (2022): 1590. http://dx.doi.org/10.3390/ma15041590.

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AA2050-T84 alloy is widely used in primary structures of modern transport aircraft. AA2050-T84 is established as a low-density aluminum alloy with improved Young’s modulus, less anisotropy, and temperature-dependent mechanical properties. During flights, loading rate and temperature variation in aircraft engine subsequent parts are commonly observed. The present work focuses on the effect of loading rate and temperature on tensile and fracture properties of the 50 mm thick (2-inch) AA2050-T84 alloy plate. Quasi-static strain rates of 0.01, 0.1, and 1 s−1 at −20 °C, 24 °C and 200 °C are conside

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Liu, Chuan Xiong, and Yu Long Li. "Effects of Temperature and Strain-Rate on the Compressive Strength of Concrete." Advanced Materials Research 168-170 (December 2010): 2619–24. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.2619.

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Dynamic compressive tests were carried out for concrete specimens after exposure to temperatures 23°C, 400°C, 600°C and 800°C by using Split Hopkinson Pressure Bar(SHPB) apparatus. Cylindrical specimens with 98mm in diameter and 49mm in length were used in tests. The strain rates achieved in tests ranged from 30s-1 to 220s-1. The results showed that the compressive strength increases with increasing strain-rate, but decreases with the increase of temperature. However, the effect of strain-rate on improving the compressive strength of concrete decreases with the increase of temperature. Moreove

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Zhang, Kebin, Wenbin Li, Yu Zheng, Wenjin Yao, and Changfang Zhao. "Dynamic Constitutive Model of Ultra-High Molecular Weight Polyethylene (UHMWPE): Considering the Temperature and Strain Rate Effects." Polymers 12, no. 7 (2020): 1561. http://dx.doi.org/10.3390/polym12071561.

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The temperature and strain rate significantly affect the ballistic performance of UHMWPE, but the deformation of UHMWPE under thermo-mechanical coupling has been rarely studied. To investigate the influences of the temperature and the strain rate on the mechanical properties of UHMWPE, a Split Hopkinson Pressure Bar (SHPB) apparatus was used to conduct uniaxial compression experiments on UHMWPE. The stress–strain curves of UHMWPE were obtained at temperatures of 20–100 °C and strain rates of 1300–4300 s−1. Based on the experimental results, the UHMWPE belongs to viscoelastic–plastic material,

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Shi, X. Q., W. Zhou, H. L. J. Pang, and Z. P. Wang. "Effect of Temperature and Strain Rate on Mechanical Properties of 63Sn/37Pb Solder Alloy." Journal of Electronic Packaging 121, no. 3 (1999): 179–85. http://dx.doi.org/10.1115/1.2792681.

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In this study, tensile tests of 63Sn/37Pb solder were carried out at various strain rates from 10−5 s−1 to 10−1 s−1 over a wide temperature range from −40°C to 125°C to study the effect of strain rate and testing temperature on the mechanical properties in a systematic manner. Based on these experimental data, a set of empirical formulae was derived by a statistical method to describe the effect of temperature and strain rate in a quantitative manner and explain the variation in the mechanical properties published in other reports. It is concluded that the empirical formulae can be used to cha

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Ahmad, Iram R., Xiao Jing, and Dong W. Shu. "Effect of Temperature on the Dynamic Compressive Properties of Magnesium Alloy AZ91D." Key Engineering Materials 535-536 (January 2013): 133–36. http://dx.doi.org/10.4028/www.scientific.net/kem.535-536.133.

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Lightweight materials are getting more and more attraction towards their use in automobiles, planes, protective structures, electronics and supports for numerous benefits ranging from reduction in fuel consumption in vehicles to lighter and stronger in protective structures. For efficient use of materials in applications where they are subjected to unusual higher sudden loads and varying temperatures, it is necessary to know their accurate response under such conditions. Magnesium alloys due to low density, high specific strength, high specific stiffness and damping capacity have been in use f

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Liu, Dong Mei, Qiang Song Wang, Guo Liang Xie, Wei Bin Xie, Yang Li, and Xue Cheng Gao. "High-Strain-Rate Response of a Specially-Made Copper Sample." Materials Science Forum 817 (April 2015): 35–41. http://dx.doi.org/10.4028/www.scientific.net/msf.817.35.

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In the present study, a systematic study on both the high strain-rate tensile and compressive deformation behaviors of a specially-made copper sample have been carried out at different high temperatures, by using the split Hopkinson bar experiments. The Johnson-Cook constitutive model was used to model the high strain-rate responses of the specimen at high temperatures. The results showed that compared with other metallic materials, the specially-made copper sample had a relatively stronger strain-rate-hardening effect and weaker temperature-softening effect. Evolution of the microstructure su

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Gómez-del Río, T., and J. Rodríguez. "Compression yielding of epoxy: Strain rate and temperature effect." Materials & Design 35 (March 2012): 369–73. http://dx.doi.org/10.1016/j.matdes.2011.09.034.

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Jandrlić, Ivan, and Lorena Mrkobrada. "INVESTIGATION OF THE PORTEVIN-LE CHATELIER EFFECT IN AlMg ALLOYS: EFFECT OF TESTING RATE." Journal of Sustainable Technologies and Materials 5, no. 8 (2025): 28–35. https://doi.org/10.57131/jstm.2025.08.5.

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&lt;p&gt;The study investigates the Portevin&amp;ndash;Le Chatelier (PLC) effect in the cold-rolled Al-Mg alloy EN AW-5754. The tensile tests were performed on dog bone specimens at test speeds of 10, 20, and 50 mm/min. Digital image correlation (DIC) and infrared thermography were used to monitor strain rate and temperature changes. The results showed a strong correlation between PLC line propagation, strain rate variations, and temperature changes. Regardless of the test speed, the characteristic jagged shape of the material was observed due to the PLC effect. As the deformation

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Lee, W.-S., C.-F. Lin, and S.-Z. Huang. "Effect of temperature and strain rate on the shear properties of Ti–6Al–4V alloy." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 220, no. 2 (2006): 127–36. http://dx.doi.org/10.1243/09544062c05505.

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This study uses the torsional split-Hopkinson bar to investigate the dynamic shear deformation and fracture behaviour of Ti–6Al–4V alloy under strain rates of 1800, 2300, and 2800 s−1 at temperatures ranging from −100 to 300 °C. It is found that both the strain rate and the temperature have a strong influence on the dynamic shear properties and fracture characteristics of the alloy. An increased strain rate and a reduced temperature cause the strain rate sensitivity to increase and the activation volume to decrease. However, the activation energy increases with decreasing shear stress and is f

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Long, M. J., H. H. Zhang, X. H. Yang, W. Guo, S. Y. Ai, and D. F. Chen. "Study on dynamic recrystallization of ultra-high strength 22MnB5 steel during hot rolling." Journal of Physics: Conference Series 2635, no. 1 (2023): 012022. http://dx.doi.org/10.1088/1742-6596/2635/1/012022.

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Abstract The effect of deformation temperature and strain rate on the recrystallization behavior of ultra-high strength hot formed 22MnB5 steel was systematically studied by isothermal compression experiments, and the microstructure was characterized and analyzed. The results show that the peak stress and peak strain of 22MnB5 steel decrease with increasing deformation temperature and increase with increasing strain rate. The dynamic recrystallization of 22MnB5 steel is more sensitive to temperature and less affected by strain rate. The recrystallization behavior is significant during isotherm

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Guo, Y. B., and C. R. Liu. "Mechanical Properties of Hardened AISI 52100 Steel in Hard Machining Processes." Journal of Manufacturing Science and Engineering 124, no. 1 (2001): 1–9. http://dx.doi.org/10.1115/1.1413775.

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This paper provides an approach using tensile tests at elevated temperatures to estimate mechanical properties of the work material for both elastic and plastic deformations in a broad range of strain, strain rate, and temperature in machining. The proposed method has been applied to estimate mechanical properties of hardened AISI 52100 steel in hard machining. Tensile testing is shown capable of estimating the mechanical properties of both elastic and plastic regions with large strains at elevated temperatures. Flow stresses at high strain rates in machining can be obtained by extrapolating t

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Kucherenko, I. V., E. V. Kuraeva, and E. S. Masegnaya. "Effect of freezing temperature on rate of survival of lactococcus cultures during lyophilization." Food systems 7, no. 2 (2024): 305–11. http://dx.doi.org/10.21323/2618-9771-2024-7-2-305-311.

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The important component in the activities of the collection of starter microorganisms is the preservation of the pool of the strains valuable for industrial production. Lyophilization (also known as freeze drying) is a widely used method for the long-term storage of the collection cultures. The critical parameter of the process of lyophilization is the pre-freezing temperature. This article brings forward the results of researches of the rate of survival of lactococcus strain cultures during their lyophilization with pre-freezing at the temperatures of minus 20 °C, minus 30 °C and minus 55 °C.

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Suo, Tao, Yu Long Li, and Yuan Yong Liu. "Temperature and Strain Rate Effects on Mechanical Behavior of a PMMA." Key Engineering Materials 340-341 (June 2007): 1079–84. http://dx.doi.org/10.4028/www.scientific.net/kem.340-341.1079.

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In this paper, the mechanical behavior of a PMMA used as the windshield of aircraft was tested. The experiments were finished under two quasi-static strain rates and a high strain rate with the testing temperature from 299K to 373K. The results show that the mechanical property of this PMMA depends heavily on the testing temperature. The Young’s modulus and flow stress were found to decrease with increasing temperature at low strain rate. At the strain rate of 10-1 1/s, strain softening was observed under all experiment temperatures. At high strain rate, with the temperature increasing, the fl

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Davies, O. Ll, and N. J. Mills. "The Rate Dependence of Confor Polyurethane Foams." Cellular Polymers 18, no. 2 (1999): 117–36. https://doi.org/10.1177/026248939901800203.

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ABSTRACT A low resilience polyurethane foam was compressed under impact, constant strain rate and creep loading conditions, over a range of temperatures. The foam was characterised by scanning electron microscopy and image analysis. The compressive collapse stress was found to be strongly strain rate and temperature dependent, with the maximum rate effect in the impact velocity range from 1 to 10 m/s. The highly viscoelastic response is due to the glass transition temperature being about 20°C, and the low crystallinity of the foam. The foam creep response is similar in many ways to that of con

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Mirone, Giuseppe, and Raffaele Barbagallo. "Modelling the influence of strain and strain rate on the thermal softening during dynamic loading of ductile metals." EPJ Web of Conferences 250 (2021): 02003. http://dx.doi.org/10.1051/epjconf/202125002003.

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Although the combined effect of strain rate and temperature on the behaviour of metals is widely recognized, no universally accepted viewpoints are available about the physical phenomena. Experiments on a highly ductile A2-70 steel, performed at moderate dynamic rates (10 s-1) and different initial temperatures (20 to 150 °C), are firstly aimed here at assessing whether the thermal softening previously verified at static rates on the same steel is also suitable for describing now the mixed effect of dynamic rates and consequent variable temperatures, or further contributions to the thermal sof

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Lee, Woei Shyan, and Chia Wei Chen. "Impact Deformation and Dislocation Substructure of Ti-6Al-7Nb Biomedical Alloy." Applied Mechanics and Materials 566 (June 2014): 292–97. http://dx.doi.org/10.4028/www.scientific.net/amm.566.292.

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The high temperature deformation and dislocation substructure of Ti-6Al-7Nb biomedical alloy are investigated under high strain rate loading conditions using a split-Hopkinson pressure bar. Impact tests are performed at strain rates ranging from 1x103s-1 to 3x103s-1 and temperatures of 300°Cand 700°C, respectively. The experimental results show that the flow stress, work hardening coefficient and strain rate sensitivity all increase with increasing strain rate, but decrease with increasing temperature. Transmission electron microscopy observations reveal that the dislocation density increases

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Sheikh-Ahmad, J. Y., and J. A. Bailey. "Flow Instability in the Torsional Straining of Commercially Pure Titanium." Journal of Engineering Materials and Technology 117, no. 3 (1995): 255–59. http://dx.doi.org/10.1115/1.2804537.

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Analysis of the phenomenon of adiabatic flow instability during the torsional straining of CP titanium has been made and the instability shear strain predicted. The constitutive equation for isothermal deformation of CP titanium was integrated over the total shear strain received by the material. Thermal softening caused by adiabatic heating was calculated and used to derive the adiabatic shear stress-shear strain curves. The instability shear strain was determined as the value that corresponds to zero slope of these curves. The effect of strain rate, temperature, and specific heat on the inst

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Xue, Song, Tao Yang, Xuedong Liu, Yi Ren, Yi Peng, and Lixuan Zheng. "Strain Rate and Temperature Effects on Formability and Microstructure of AZ31B Magnesium Alloy Sheet." Metals 12, no. 7 (2022): 1103. http://dx.doi.org/10.3390/met12071103.

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Magnesium alloys play an important role in lightweight structures, which are extensively used in different industries due to their excellent mechanical and physical properties. In this paper, the formability of the AZ31B magnesium alloy sheet was studied by using tensile tests at different temperatures (from 25 to 250 °C) and strain rates (from 0.017 s−1 to 0.34 s−1). The results showed that the material behaves with positive temperature sensitivity when forming at a temperature lower than 200 °C. The effect of the strain rates on the formability of AZ31B was larger at high temperatures. The m

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