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Journal articles on the topic 'Fatigue aging'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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1

Tralongo, Paolo, Daniela Respini, and Francesco Ferraù. "Fatigue and aging." Critical Reviews in Oncology/Hematology 48 (October 2003): S57—S64. http://dx.doi.org/10.1016/j.critrevonc.2003.07.003.

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2

Hunter, Sandra K. "Aging and Muscle Fatigue." Medicine & Science in Sports & Exercise 38, Supplement (2006): 46. http://dx.doi.org/10.1249/00005768-200605001-00158.

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3

Hunter, Sandra K. "Aging and Muscle Fatigue." Medicine & Science in Sports & Exercise 38, Supplement (2006): 46. http://dx.doi.org/10.1249/00005768-200605001-00299.

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4

Balducci, L. "Anemia, fatigue and aging." Transfusion Clinique et Biologique 17, no. 5-6 (2010): 375–81. http://dx.doi.org/10.1016/j.tracli.2010.09.169.

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5

Wang, Junhui, Qunshan Ye, Lingyi Fan, Cheng Xie, and Haobin Liu. "Investigation on the Performances of Esterified Waste Cooking Oil Rejuvenator and Recycled Asphalt." Materials 17, no. 19 (2024): 4725. http://dx.doi.org/10.3390/ma17194725.

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Waste cooking oil (WCO) recycled asphalt is facing issues regarding insufficient thermal oxidation stability and aging resistance. In this research, glycerol esterification was adopted to pretreat WCO, and the consequences of this treatment on the aging resistance and thermal stability of WCO were analyzed. The impacts of varying levels of esterification of WCO on the high-temperature, low-temperature performances, fatigue properties, and aging resistance of recycled asphalt were investigated. Furthermore, the mechanisms of regeneration and the anti-aging of deeply esterified WCO recycled asph

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6

Ma, Liyong, Chi Liu, Minglei Ma, et al. "Fatigue Fracture Analysis on 2524 Aluminum Alloy with the Influence of Creep-Aging Forming Processes." Materials 15, no. 9 (2022): 3244. http://dx.doi.org/10.3390/ma15093244.

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The different creep-aging forming processes of 2524 aluminum alloy were taken as the research object, and the effects of creep-aging temperature and creep stress on the fatigue-crack propagation properties of the alloy were studied. The research results showed the following under the same sintering time of 9 h, at creep-aging temperatures of 100 °C, 130 °C, 160 °C, and 180 °C, respectively, with an increase in creep-aging temperature: the fatigue-crack propagation rate was promoted, the spacing of fatigue striations increased, and the sizes of dimples decreased while the number was enlarged; t

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7

Liu, Xing, Shaopeng Wu, Ling Pang, Yue Xiao, and Pan Pan. "Fatigue Properties of Layered Double Hydroxides Modified Asphalt and Its Mixture." Advances in Materials Science and Engineering 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/868404.

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This study investigated the influence of layered double hydroxides (LDHs) on the fatigue properties of asphalt mixture. In this paper, different aging levels (thin film oven test (TFOT) and ultraviolet radiation aging (UV aging for short)) of bitumen modified with various mass ratios of the LDHs were investigated. The TFOT and UV aging process were used to simulate short-term field thermal-oxidative aging and long-term field light UV aging of bitumen, respectively. The influences of LDHs on the fatigue properties of LDHs were evaluated by dynamic shear rheometer (DSR) and indirect tensile fati

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8

HAYASHI, KOUSUKE, TAKANORI NAGANO, MICHIHIKO MORIYAMA, XISHU WANG, and NORIO KAWAGOISHI. "EFFECTS OF AGING STRUCTURES AND HUMIDITY ON FATIGUE PROPERTIES OF MARAGING STEEL." International Journal of Modern Physics: Conference Series 06 (January 2012): 306–11. http://dx.doi.org/10.1142/s2010194512003352.

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Effects of aging structures and humidity on fatigue properties of 350 grade 18% Ni maraging steel were investigated under rotating bending in relative humidity of 25% and 85%. Aging conditions tested were a conventional single aging and a double one which was aged at low temperature after the conventional aging. In each aging, under and peak aged steels were prepared. Tensile strength was increased by the double aging without reduction of the ductility. Proportional relation between fatigue limit and Vickers hardness held until 750HV in low humidity. However fatigue strength was largely decrea

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9

Yue, Jinchao, Jiahao Fu, Yihan Wang, Yang Ming, Guoqi Tang, and Ruixia Li. "Effects of Complex Environmental Conditions on Fatigue Self-Healing Properties of Fast-Melting SBS-Modified Asphalt." Materials 18, no. 9 (2025): 2157. https://doi.org/10.3390/ma18092157.

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Asphalt pavements are prone to various distresses under complex environmental influences during service, which significantly affects their fatigue life. This study conducted complex environmental simulation tests, including pressure aging, ultraviolet (UV) aging, and coupling effects with salt solutions at different concentrations. A dynamic shear rheometer (DSR) was employed to perform frequency sweep tests, linear amplitude sweep (LAS) tests, and fatigue–healing–fatigue tests. The fatigue self-healing properties of fast-melting SBS (SBS-T)-modified asphalt were evaluated based on the viscoel

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10

Li, Shilei, Yanli Wang, and Xitao Wang. "Effects of Thermal Aging on the Low Cycle Fatigue Behaviors of Cast Duplex Stainless Steels." Metals 9, no. 3 (2019): 378. http://dx.doi.org/10.3390/met9030378.

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The low cycle fatigue (LCF) behaviors of cast duplex stainless steel (CDSS) thermally aged at different times were investigated under different strain amplitudes. The effects of thermal aging on the LCF lives of CDSS are closely related to the strain amplitude. At a low strain amplitude, the fatigue life of the material increases significantly after thermal aging, while the LCF life decreases with an increasing aging time at a high strain amplitude. After thermal aging at 400 °C for 10,000 h, the fatigue fracture morphologies of CDSS change from fatigue fringes to mixture features including fa

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11

Nakagawa, Keiyu, and Teruto Kanadani. "Effects of Microstructures on the Mechanical Properties of Dilute Al-Si Alloys." Key Engineering Materials 345-346 (August 2007): 821–24. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.821.

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In this paper, we investigated effects of aging at 473K on the relationship between microstructure in the vicinity of the grain boundaries and fatigue strength for Al-1.2%Si alloy. Results obtained show the following features. (1) As aging time, tA increase, the tensile strength (σB) and 0.2% proof stress (σ0.2) increase slowly, but gradually decrease after reaching a maximum at around 18 ks. On the other hand, fracture elongation shows an opposite trend, suggesting that at aging times above 18ks, over aging occurs. (2) The fatigue strength lowers with increasing aging time, however, when the

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12

Wang, S. Q., Jin He Liu, and Dao Lun Chen. "Influence of Heat Treatment on Fatigue Resistance of Electron Beam Welded Dissimilar Titanium Alloy Joints." Advanced Materials Research 891-892 (March 2014): 1539–44. http://dx.doi.org/10.4028/www.scientific.net/amr.891-892.1539.

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The purpose of this study was to evaluate the influence of heat treatment on the microstructural change and low cycle fatigue (LCF) resistance of an electron beam welded (EBWed) dissimilar joint between Ti-6Al-4V and Ti17 alloys. The aging with solution (STA) had a more significant effect on the microstructure and hardness than aging, compared to the as-welded joint. The post-welded joints in both aging and STA conditions were basically cyclic stable at low strain amplitudes up to 0.6%, while cyclic softening occurred at higher strain amplitudes. The fatigue life in the aging condition was sli

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13

Tanaka, Kazuto, and Masatoshi Uchiyama. "Effect of Vitamin-E Addition on Fatigue Crack Growth Property of Ultra High Molecular Weight Polyethylene." Key Engineering Materials 417-418 (October 2009): 93–96. http://dx.doi.org/10.4028/www.scientific.net/kem.417-418.93.

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In order to understand the influence of gamma-irradiation, accelerated aging and Vitamin-E addition on the fatigue crack growth properties of UHMWPE, fatigue crack growth tests of UHMWPE plates using compact tension specimens were carried out. The specimen conditioned in -irradiation and accelerated aging (the -aging specimen) has faster fatigue crack growth rate than the virgin specimens. For the Vitamin-E added specimen (the VE specimen), however, K threshold of the -aging VE specimen is smaller than that of the VE specimen. This result shows that the addition of Vitamin-E reduced the de

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14

Li, Ruixia, Wei Zhu, Hailong Chen, Xiao Li, Linhao Sun, and Jinchao Yue. "Influence of Aging and Salt–Alkali Coupling on the Fatigue and Self-Healing Behavior of Graphene Oxide-Modified Asphalt." Materials 18, no. 8 (2025): 1808. https://doi.org/10.3390/ma18081808.

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The harsh environments in saline–alkaline areas and high-altitude regions with intense ultraviolet radiation pose great challenges to the durability of asphalt pavements. The fatigue performance of asphalt binder significantly determines the actual service life of asphalt pavements. Existing studies have predominantly focused on the impact of individual environmental factors (e.g., aging and saline–alkaline erosion) on asphalt performance, yet there remains a notable research gap in the systematic analysis of asphalt’s fatigue and self-healing behavior under coupled multi-factor interactions,

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15

Xu, Gang, Yixin Zhou, Yu Zhu, Rui Wang, and Xianhua Chen. "Effect of Weather Aging on Viscoelasticity and Fatigue Performance of Asphalt Mastic." Materials 14, no. 20 (2021): 6163. http://dx.doi.org/10.3390/ma14206163.

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The long-term effect of climate factors, such as sunlight, oxygen, and water, leads to the performance degradation of the asphalt mastic, which is the binding part in the asphalt mixture. It is not conducive to satisfy the long-term performance requirements of long-life asphalt pavement. In this study, five kinds of base asphalt mastic and styrene-butadiene-styrene (SBS) modified asphalt mastic were prepared with the filler-asphalt ratio of 0.6, 0.8, 1.0, 1.2, and 1.4. The indoor simulated weather aging tests were carried out considering multi-factors including sunlight, oxygen, and water. The

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16

Zhang, Jian Yu, Chong Qiang Sun, Li Bin Zhao, Lei Peng, and Bin Jun Fei. "Experiment Research of Environment Effects on Fatigue Life of Carbon/Bismaleimide Composite Laminates with Central Hole." Key Engineering Materials 452-453 (November 2010): 525–28. http://dx.doi.org/10.4028/www.scientific.net/kem.452-453.525.

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The effects of humidity and ultraviolet radiation aging on fatigue properties of carbon/ bismaleimide composites and coating protection action were presented. Specimens with central hole are made of carbon/bismaleimide laminates. Compression-compression (C-C) fatigue tests under normal lab environment were operated respectively for four groups of specimen, (1) specimen under normal lab environment, (2) specimen under UV radiation aging with dryness, (3) specimen under UV radiation aging with moisture, and (4) specimen with coating under UV radiation aging with moisture. Variance analysis of ex

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17

Ahmad Jasim Mohammad. "Artificial Aging Time Effect on Fatigue stress for Friction Stir Welded AA6061T6." University of Thi-Qar Journal for Engineering Sciences 6, no. 3 (2015): 31–42. http://dx.doi.org/10.31663/utjes.v6i3.589.

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This work involves studying the effect of heat treatment on the fatigue stress of friction stir welded joint of 6061T6 aluminum alloy. The microstructure,micro hardness , tensile and fatigue test of the welds and base alloy were examined before and after heat treatment which includes solution heat treatment at 500ºC and artificial aging at 190ºC for 2, 4, and 8 hrs.The friction stir welding was carried out by using CNC milling machine at constant tool rotational speed of (1000 rpm) and welding speed of (20mm/min),the fatigue test is investigated for all specimens to obtain the S-N curve. The r

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18

Sainis, Salil, Aakarshit Kalra, G. Dinesh Babu, and M. Nageswara Rao. "Weibull Analysis of the Effect of Modified Aging Treatments on Fatigue Life of Cast Aluminium Alloy 354." Advanced Materials Research 800 (September 2013): 356–60. http://dx.doi.org/10.4028/www.scientific.net/amr.800.356.

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Cast aluminium alloy 354 has extensive applications in the automobile industry. Due to its attractive combination of mechanical properties and excellent castability, it is being used in production of automobile components like the compressor wheel for turbochargers. Performance of this component under fatigue loading conditions is a critical issue. The present study explores the possibility of improving the fatigue life of the component by bringing in process changes (i) adopting a two-step aging treatment in place of the normally used single step aging treatment (ii) adopting a lower artifici

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19

Silvestri, Tais, Gabriel Kalil Rocha Pereira, Luis Felipe Guilardi, Marilia Pivetta Rippe, and Luiz Felipe Valandro. "Effect of Grinding and Multi-Stimuli Aging on the Fatigue Strength of a Y-TZP Ceramic." Brazilian Dental Journal 29, no. 1 (2018): 60–67. http://dx.doi.org/10.1590/0103-6440201801735.

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Abstract This study aimed to investigate the effect of grinding and multi-stimuli aging on the fatigue strength, surface topography and the phase transformation of Y-TZP ceramic. Discs were manufactured according to ISO-6872:2008 for biaxial flexure testing (diameter: 15 mm; thickness: 1.2 mm) and randomly assigned considering two factors “grinding” and “aging”: C- control (as-sintered); CA- control + aging; G- ground; GA- ground + aging. Grinding was carried out with coarse diamond burs under water-cooling. Aging protocols consisted of: autoclave (134°C, 2 bars pressure, 20 hours), followed b

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20

Zhang, Runhua, Jo E. Sias, Eshan V. Dave, and Reyhaneh Rahbar-Rastegar. "Impact of Aging on the Viscoelastic Properties and Cracking Behavior of Asphalt Mixtures." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 6 (2019): 406–15. http://dx.doi.org/10.1177/0361198119846473.

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Aging can significantly affect the viscoelastic properties and cracking behavior of asphalt mixtures, causing increase in stiffness, reduction in relaxation capability, and increase in brittleness. Eleven mixtures are evaluated using different laboratory conditioning protocols to evaluate how the properties of asphalt mixtures, including viscoelastic properties, fatigue, and fracture behavior will change over time. Comparisons between different aging levels and mixtures are conducted by using complex modulus (E*) (field cores are included), simplified viscoelastic continuum damage (S-VECD) app

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21

Diao, Hang, Tianqing Ling, Zhan Zhang, Bo Peng, and Qiang Huang. "Multiscale Fatigue Performance Evaluation of Hydrated Lime and Basalt Fiber Modified Asphalt Mixture." Materials 16, no. 10 (2023): 3608. http://dx.doi.org/10.3390/ma16103608.

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Long-life pavement construction is an important research direction for sustainable road development. Fatigue cracking of aging asphalt pavement is one of the main reasons that affects its service life, and improving the fatigue resistance of aging asphalt pavement has become a key factor in promoting the development of long-life pavement. In order to enhance the fatigue resistance of aging asphalt pavement, hydrated lime and basalt fiber were selected to prepare a modified asphalt mixture. The resistance to fatigue is evaluated by the four-point bending fatigue test and self-healing compensati

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22

Tian, Ni, Xu Jiang, Yaozhong Zhang, et al. "Effect of Precipitates on the Mechanical Performance of 7005 Aluminum Alloy Plates." Materials 15, no. 17 (2022): 5951. http://dx.doi.org/10.3390/ma15175951.

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In this study, the strength, elongation, and fatigue properties of 7005 aluminum alloy plates with different configurations of precipitates were investigated by means of tensile tests, fatigue tests, and microstructural observation. We found that the number and size of GP zones in an alloy plate matrix increased and the distribution was more uniform after the aging time was extended from 1 h to 4 h at 120 °C, which led to a rise in both strength and elongation of alloy plates with the extending aging time. The fatigue life of the alloy plates shortened slightly at first, then significantly pro

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23

Shortz, Ashley E., and Ranjana K. Mehta. "Cognitive challenges, aging, and neuromuscular fatigue." Physiology & Behavior 170 (March 2017): 19–26. http://dx.doi.org/10.1016/j.physbeh.2016.11.034.

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24

Song-tao, Lu, Luo Zhaohui, and Xie Juan. "Fatigue performance of aging asphalt mixtures." Polimery 60, no. 02 (2015): 126–31. http://dx.doi.org/10.14314/polimery.2015.126.

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25

Cook, Karon F., Ivan R. Molton, and Mark P. Jensen. "Fatigue and Aging With a Disability." Archives of Physical Medicine and Rehabilitation 92, no. 7 (2011): 1126–33. http://dx.doi.org/10.1016/j.apmr.2011.02.017.

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26

Yin, Shu Ying, Li Jia Chen, and Xin Wang. "Influence of Heat Treatment on Low-Cycle Fatigue Behavior of AZ61 Magnesium Alloy." Advanced Materials Research 287-290 (July 2011): 883–87. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.883.

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In order to identify the influence of solid solution, aging and solid solution plus aging treatments on the low-cycle fatigue behavior of the extruded AZ61 magnesium alloy, the low-cycle fatigue tests were performed at room temperature for the extruded AZ61 magnesium alloy with different treating states. The results indicate that the cyclic stress response behavior of the extruded AZ61 magnesium alloy exhibits both cyclic strain hardening and stability. The solid solution, aging and solid solution plus aging treatments tend to decrease the cyclic deformation resistance of the extruded AZ61 all

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27

Liu, Hong Tao, Mi Feng Zhao, Fangting Hu, et al. "Effect of Pre-Stretching and Under-Aging Treatment on Fatigue Crack Resistance of Al-Cu-Mg Alloy Casing Pipe." Materials Science Forum 1071 (October 18, 2022): 67–73. http://dx.doi.org/10.4028/p-vff7jl.

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The effect of pre-stretching and under-aging treatment on microstructure and fatigue crack resistance of Al-4.1Cu-1.27Mg-0.47Mn-0.02Ti alloy has been investigated in present work. The results showed that the fatigue strength corresponding to 107 stress cycle numbers of the sample pre-stretched 4% and under-aged at for 2 hours reached up to 280MPa, 80MPa higher than that pre-stretched 0% and peak-aged at for 8 hours. Microstructural observations showed that fine and uniformly dispersed S’ plates were present in the sample treated by pre-stretching and under-aging, whereas, a coarse S’ plate was

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28

Zhang, You Hong, Qian Zhang, Xin Long Chang, Chun Guo Yue, Shi Ying Zhang, and Wan Lei Liu. "Life Prediction of Aluminum Alloy Structure Subjected to Corrosion Fatigue and Corrosion Damage." Applied Mechanics and Materials 166-169 (May 2012): 1887–90. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.1887.

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The strength of the aging structure deteriorates mainly as a result of corrosion and fatigue damage. In this paper, the life prediction methods of corroded and corrosion fatigued aluminum alloy structure were proposed. The stress multiplication of aluminum alloy structure subjected to corrosion damage was simulated by ANSYS software. We proposed the AFGROW software simulation method to predicate the numerical simulation of corrosion fatigue crack growth. At last, the life cycles of structures subjected to corrosion damage and corrosion fatigue were estimated, and a very good performance of the

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29

Yi, Ming Wei, Delehei, Jin Cai Wang, and Xue Da Feng. "Effect of Ultraviolet Light Aging on Fatigue Properties of Asphalt." Key Engineering Materials 599 (February 2014): 125–29. http://dx.doi.org/10.4028/www.scientific.net/kem.599.125.

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The ultraviolet aging effects on fatigue properties of asphalt were studied by using Dynamic Shear Rheometer (DSR). The low-temperature fatigue performance of asphalt has been tested in this paper with the strain-controlled mode of DSR. The samples were compacted under the temperature of 10°C and the constant strain of 2.0% in strain-controlled mode fatigue test. And the results showed that ultraviolet aging decreases the fatigue life-span of asphalt significantly.

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30

Li, Gen, Jiajun Liu, Jian Sun, and Chengqi Sun. "Effects of Natural Aging and Discontinuous Cyclic Loading on High Cycle Fatigue Behavior of Steels." Metals 13, no. 3 (2023): 511. http://dx.doi.org/10.3390/met13030511.

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Metallic components may not be used immediately and are stored for several months or years after fabrication in some cases, which experience long-term natural aging. Moreover, the fatigue-beared components commonly suffer discontinuous cyclic loadings in service. In this paper, the effects of natural aging and discontinuous loading on high cycle fatigue life and failure mechanism were investigated through rotating bending fatigue tests. The long-term natural aging (e.g., more than 20,000 h) reduced the fatigue life of both 25CrMo4 and 30CrMnSiA steels, and this effect was irrespective of the r

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31

Li, Ruixia, Shangjun Yu, Hailong Chen, Jiahui Wu, Yijun Chen, and Jinchao Yue. "Effects of a Complex Environment on Fatigue and Self-Healing Characterization of Asphalt Composites Containing Rock Asphalt." Materials 17, no. 10 (2024): 2453. http://dx.doi.org/10.3390/ma17102453.

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In recent years, asphalt pavement has been subjected to varied environmental conditions during its service life, conditions that predispose it to deformation and cracking. To enhance the performance of asphalt pavement, rock asphalt has been selected as a modifier due to its good compatibility with virgin asphalt binder and its ability to improve the fatigue cracking resistance of asphalt mixtures. Although scholars have conducted some studies on rock asphalt mixtures, research on the fatigue and self-healing performance of these mixtures under conditions such as ultraviolet (UV) aging and fre

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32

Wu, Shao Peng, Jun Han, and Xing Liu. "Evaluation of Fatigue Properties for Ultraviolet Radiation Aged Bitumen and Mixture." Advanced Materials Research 217-218 (March 2011): 181–86. http://dx.doi.org/10.4028/www.scientific.net/amr.217-218.181.

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Bitumen is widely used in road construction. Due to heavy traffic loads and environmental factors, bitumen properties will change during service life. Bitumen will age due to diffusion of oxygen and UV radiation. Repeated loading will result in decreasing strength because of fatigue. In this paper, one layer clay powder was used to modify base bitumen with different mass contents. Then the influences of ultraviolet radiation (UV) aging on the dynamic fatigue properties of the layered clay powder were evaluated by Dynamic Shear Rheomoter (DSR) and Universal Testing Machine (UTM). The ageing eva

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33

Pang, Ling, Lu Long, Shao Peng Wu, and Wan Lu. "Effects of UV Aging on the High-Temperature and Fatigue Performances of Asphalt Mortar." Advanced Materials Research 306-307 (August 2011): 1698–701. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.1698.

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Ultraviolet(UV) radiation is one of the main factors induce asphalt aged in the field in-service. Asphalt mortar greatly affects the pavement performance. It is scarce that studies concerning UV aging on the performance of asphalt mortar. In this paper, asphalt mortar with a 1.0 F/A (filler to asphalt)after UV aging were subjected to the test of the Dynamic Shear Rheometer (DSR).Effects of UV aging on the High-Temperature and fatigue performances of asphalt mortar were studied by using the rutting parameter G*/sinδ, fatigue parameter G*sinδ and dynamic viscosity. The results show UV aging had

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34

Sakane, M., M. Ohnami, and M. Sawada. "Biaxial Low Cycle Fatigue of Unaged and Aged 1Cr-1Mo-1/4V Steels at Elevated Temperature." Journal of Engineering Materials and Technology 113, no. 2 (1991): 244–53. http://dx.doi.org/10.1115/1.2903399.

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This paper describes the biaxial low cycle fatigue of unaged and aged 1Cr-1Mo-1/4V rotor steels at 823 K in air. Combined push-pull and reversed torsion tests were carried out on these steels and the biaxial fatigue data were obtained. Aging significantly reduced the hardness of the steel but had no effect on the crack direction in biaxial low cycle fatigue. Aging also had no effect on the data correlation using the biaxial strain parameters, but had a significant effect on the data correlation using the biaxial stress parameters. The change in the effective stress parameter in correlating the

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35

Sorokin, Genady A., and V. V. Shilov. "HYGIENIC ASPECTS OF CHRONIC FATIGUE AND AGING." Hygiene and sanitation 96, no. 7 (2019): 627–31. http://dx.doi.org/10.18821/0016-9900-2017-96-7-627-631.

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The aim of the study was to establish relations between the acute and chronic fatigue of workers, and between chronic fatigue and age dynamics of indices of health. In 859 women, white-collar workers, with normal fatigue at work of various degree and different physiological labor intensity there was determined an annual gain of professional risks (GPR): syndromes of motor, visual, and non-specific chronic fatigue; indices of the physical performance; morbidity with temporary disability. During the year the health is deteriorating both in 59% of women who are very tired at work, and 63% of wome

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36

Li, Ping, Xiao Li, Shangjun Yu, Linhao Sun, Jinchao Yue, and Ruixia Li. "Fatigue-Healing Performance Analysis of Warm-Mix Rubber Asphalt Mastic Using the Simplified Viscoelastic Continuum Damage Theory." Coatings 14, no. 7 (2024): 914. http://dx.doi.org/10.3390/coatings14070914.

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As a green and low-carbon road material, warm-mix rubber asphalt (WMRA) has received extensive attention from scholars for its road performance. In the in-depth study of its properties, the fatigue characteristics of WMRA are particularly critical. However, in current studies on asphalt fatigue performance, its self-healing ability is often underestimated or neglected. Furthermore, the simplified viscoelastic continuum damage theory (S-VECD), with its accuracy, speed, and convenience, provides a powerful tool for analyzing asphalt fatigue performance. Therefore, to analyze the fatigue and self

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37

Wang, Lei, Yang Liu, Xiu Song, Guo Hua Xu, and Guang Pu Zhao. "Effects of Long-Time Aging on Fatigue Crack Propagation Behaviors of a Hardworking Ni-Based Superalloy." Advanced Materials Research 891-892 (March 2014): 1657–62. http://dx.doi.org/10.4028/www.scientific.net/amr.891-892.1657.

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Fatigue crack propagation behaviors coupled with the microstructure evolution of a hardworking Ni-based superalloy after long-time aging at 1023K were studied, to provide fundamental data for the fatigue life prediction of the superalloy. The results show that the microstructures remarkably change and the fatigue crack propagation resistance decreases with the aging time prolongs. It is found that the precipitation and the growth of topologically close packed (TCP) phases as well as the coarsening of γ' phase and carbides on grain boundaries can significantly affect the fatigue crack growth ra

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38

Pan, Rui. "Fatigue Performance Evaluation of Warm-Mixed Rubber Asphalt Mixture for Stress Absorption Layer in Cold Area." Buildings 14, no. 12 (2024): 3817. http://dx.doi.org/10.3390/buildings14123817.

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Based on the composition design of warm-mixed rubber asphalt mixture and the analysis of the influence of warm mixing on the road performance of warm-mixed rubber asphalt mixture, the fatigue performance of warm-mixed rubber asphalt mixture is studied in this paper. The effects of gradation, asphalt dosage, and strain level on the fatigue life of the mixture are analyzed. Based on a comparative analysis of the fatigue life of warm-mixed and hot-mixed rubber asphalt mixture before aging, it is concluded that the fatigue performance of hot-mixed rubber asphalt mixture is slightly better than tha

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39

Yan, Yuan, Yanmei Yang, Maoping Ran, Xinglin Zhou, Lanlin Zou, and Minrui Guo. "Application of Infrared Spectroscopy in Prediction of Asphalt Aging Time History and Fatigue Life." Coatings 10, no. 10 (2020): 959. http://dx.doi.org/10.3390/coatings10100959.

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Based on attenuated total reflection Fourier-transform infrared (ATR-FTIR) spectroscopy and principal component analysis (PCA), four kinds of asphalt (two kinds of matrix asphalts, TPC70# and JL70# and two kinds of modified asphalts, SBS-1 and SBS-2) were aged using the rolling thin-film oven test (RTFOT). The multiple stress repeated creep recovery test (MSCR) was carried out on an AR1500ex dynamic shear rheometer (DSR). The PCA was carried out on the attenuated total reflection infrared spectrum of a pretreated aged asphalt, the principal component factors (oxidation factor and component cha

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Siddiqui, Rafiq Ahmed, Saeed Ali Al- Araimi, and Ahmet Turgutlu. "Influence of Aging Conditions on Fatigue Fracture Behaviour of 6063 Aluminum Alloy." Sultan Qaboos University Journal for Science [SQUJS] 6, no. 1 (2001): 53. http://dx.doi.org/10.24200/squjs.vol6iss1pp53-60.

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Aluminum - Magnesium - Silicon (Al-Mg-Si) 6063 alloy was heat-treated using under aged, peak aged and overage temperatures. The numbers of cycles required to cause the fatigue fracture, at constant stress, was considered as criteria for the fatigue resistance. Moreover, the fractured surface of the alloy at different aging conditions was evaluated by optical microscopy and the Scanning Electron Microscopy (SEM). The SEM micrographs confirmed the cleavage surfaces with well-defined fatigue striations. It has been observed that the various aging time and temperature of the 6063 Al-alloy, produce

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Brates, Danielle, Michelle S. Troche, and Sonja M. Molfenter. "The Role of Fatigue in the Aging Swallow: A Review." OBM Geriatrics 05, no. 02 (2020): 1. http://dx.doi.org/10.21926/obm.geriatr.2102166.

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Fatigue is a term commonly used to describe patient performance and/or subjective experience in the evaluation and management of swallowing disorders (known as dysphagia). There is an association between fatigue and aging, as well as fatigue and many dysphagia-causing diseases/disorders. Therefore, speech-language pathologists (SLPs) are justifiably aware of and concerned about the potential impact of fatigue on swallowing performance and mealtime behavior. However, there is minimal agreement on and understanding of what constitutes swallowing-related fatigue, how it is identified and measured

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Ismail, Hanafi, Komethi Muniandy, and Nadras Othman. "Fatigue life, morphological studies, and thermal aging of rattan powder-filled natural rubber composites as a function of filler loading and a silane coupling agent." BioResources 7, no. 1 (2012): 841–58. http://dx.doi.org/10.15376/biores.7.1.841-858.

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Fatigue life, morphological studies, and thermal aging properties of rattan powder-filled natural rubber (NR) composites were investigated as a function of filler loading and a silane coupling agent. NR composites were prepared by the incorporation of rattan powder in the range of 0 to 30 phr into a NR matrix with a laboratory size two roll mill. Thermal aging was carried out for 7 and 14 days at a temperature of 70 °C, and tensile testing was performed in order to determine the aging properties. The results indicated that the fatigue life of rattan powder-filled NR composites decreased with i

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Ye, Song, Xian Zhi Shao, and Lie Ping Wang. "The Impact Study of the Resistance to Ultraviolet Radiation Aging Agent on the Airport Road Surface Performance with the Modified Asphalt." Advanced Materials Research 723 (August 2013): 1068–75. http://dx.doi.org/10.4028/www.scientific.net/amr.723.1068.

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According to the test results of before and after the aging of asphalt performance,we analyse the dosage changes of the HALS anti ultraviolet ageing agent to improve SBS modified asphalt ultraviolet light resistance aging performance role. The test results show that GW-944 can better improve the ultraviolet resistance of asphalt aging performance, i.e., original sample asphalt have no other negative influence in a certain extent, and at the same time,also improve asphalt fatigue performance, low temperature performance and high temperature performance after the light aging, but the performance

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Woo, Chang Su, and Wan Doo Kim. "Fatigue Life Prediction of Heat-Aging Vulcanized Natural Rubber." Key Engineering Materials 321-323 (October 2006): 518–21. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.518.

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Heat-aging effects on the material properties and fatigue life prediction of natural rubber were experimentally investigated. The rubber specimens were heat-aged in an oven at the temperature ranging from 50oC to 100oC for a period ranging from 1 day to 90days. Fatigue life prediction methodology of vulcanized natural rubber was proposed by incorporating the finite element analysis and fatigue damage parameter determined from fatigue test. Fatigue life prediction equation effectively represented by a single function using the Green-Lagrange strain. Predicted lives are in a good agreement with

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Wang, Dongsheng, Junyan Yi, and Decheng Feng. "Modelling and Laboratory Studies on the Adhesion Fatigue Performance for Thin-Film Asphalt and Aggregate System." Scientific World Journal 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/819083.

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Adhesion between asphalt and aggregate plays an important role in the performance of asphalt mixtures. A low-frequency adhesion fatigue test was proposed in this paper to study the effect of environment on the asphalt-aggregate adhesion system. The stress-based fatigue model had been utilized to describe the fatigue behavior of thin-film asphalt and aggregate system. The factors influencing the adhesion fatigue performance were also investigated. Experiment results show that asphalt has more important effect on the adhesion performance comparing with aggregate. Basalt, which is regarded as hyd

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Li, Bo, Yu Wang, Peng Xiao, Aihong Kang, Yao Zhang, and Zhengguang Wu. "Investigation of Self-Healing Performance of Asphalt Mastic—From the Perspective of Secondary Aging." Materials 16, no. 24 (2023): 7567. http://dx.doi.org/10.3390/ma16247567.

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Reclaimed asphalt pavement (RAP) has been widely utilized because it is an environmentally friendly and economical material. The performance of recycled asphalt mixtures will deteriorate gradually with the secondary aging process of asphalt, including the self-healing property. To further understand the self-healing characteristics of asphalt after secondary aging, taking 70# petroleum asphalt, SBS-modified asphalt, and extracted old asphalt mastics as objects, the fatigue self-healing test and fracture self-healing test were conducted to simulate the intermediate-and low-temperature healing b

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Qin, Yong Chun, Sui Yuan Wang, Wei Zeng, Xiao Pei Shi, Jian Xu, and Song Chang Huang. "The Effect of Asphalt Binder Aging on Fatigue Performance of Evotherm WMA." Advanced Materials Research 535-537 (June 2012): 1686–92. http://dx.doi.org/10.4028/www.scientific.net/amr.535-537.1686.

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One of the main benefits advertised with the use of warm mix asphalt (WMA) is the decreasing aging of the asphalt binder resulting from the lower production temperature compared to conventional hot mix asphalt (HMA). Some tests were performed to determine the asphalt binder aging properties from WMA and HMA. Asphalt binders were recovered by extraction and distillation from asphalt mixtures premixed at different temperatures (140°C, 160°C, 180°C for HMA, 100°C and 120°C for WMA) in the mixing plant. Penetration@25°C, softening point (R&B) and rotational Brookfield viscosity tests were carr

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Wilmar, Darío Fernández-Gómez, Cristina Vides-Berdugo Alba, Patricia Roncallo-Contreras Sandra, Bautista-Rondón Freddy, Alexander Rondón-Quintana Hugo, and Alberto Reyes-Lizcano Fredy. "Effects of environmental aging and ultra violet radiation on asphalt mixture dynamic modulus, permanent deformation and fatigue life." Revista Facultad de Ingeniería -redin-, no. 80 (September 15, 2016): 89–96. https://doi.org/10.17533/udea.redin.n80a10.

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     The aging process causes changes in the properties of asphalt mixtures, such as weak adhesion of mineral aggregates to the asphalt and increase of asphalt’s rigidity and viscosity, which in turn directly affect the durability of asphalt pavement. This study aims to evaluate the behavior of asphalt mixtures at different aging stages through the comparison of samples treated under ultraviolet radiation and samples extracted from the field. Laboratory mixtures were prepared from one aggregate source and one asphalt cement. Four types of asphalt mixtures were analyzed: un

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Zhu, Guo Jun, Shao Peng Wu, Ran Liu, and Lei Zhou. "Study on the Fatigue Property for Aged Asphalt Mixtures by Using Four Point Bending Tests." Materials Science Forum 614 (March 2009): 289–94. http://dx.doi.org/10.4028/www.scientific.net/msf.614.289.

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The effects of aging on the fatigue property of polymer modified asphalt mixtures are investigated in this paper. Two kinds of aging procedures are adopted for the aging of specimens prepared with polymer modified asphalt mixtures. One is the short-time aging which means that the hot asphalt mixtures was heated in the oven for 4 hours at 135°C before compacted; The other called natural aging, with the original specimen exposed in the sunlight and subjected to the rain and temperature change for 3, 6 and 9 months. Four-Point Bending Test was conducted to evaluate fatigue properties of aged asph

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Bendix, Laila, Mikael Thinggaard, Masayuki Kimura, et al. "Association of Leukocyte Telomere Length with Fatigue in Nondisabled Older Adults." Journal of Aging Research 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/403253.

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Introduction. Fatigue is often present in older adults with no identified underlying cause. The accruing burden of oxidative stress and inflammation might be underlying factors of fatigue. We therefore hypothesized that leukocyte telomere length (LTL) is relatively short in older adults who experience fatigue.Materials and Methods. We assessed 439 older nondisabled Danish twins. LTL was measured using Southern blots of terminal restriction fragments. Fatigue was measured by the Mob-T Scale based on questions on whether the respondents felt fatigued after performing six mobility items.Results.

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