Готові списки джерел за темами / Metals Fatigue

Добірка наукової літератури з теми "Metals Fatigue"

Автор: Grafiati
Опубліковано: 4 червня 2021
Оновлено: 24 січня 2023

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Зміст

  1. Статті в журналах
  2. Дисертації
  3. Книги
  4. Частини книг
  5. Тези доповідей конференцій
  6. Звіти організацій

Статті в журналах з теми "Metals Fatigue":

1

Correia, J. A. F. O., A. M. P. De Jesus, I. F. Pariente, J. Belzunce, and A. Fernández-Canteli. "Mechanical fatigue of metals." Engineering Fracture Mechanics 185 (November 2017): 1. http://dx.doi.org/10.1016/j.engfracmech.2017.10.029.

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2

Enomoto, Masatoshi. "Prediction of Fatigue Life for Light Metals and their Welded Metals." Materials Science Forum 794-796 (June 2014): 273–77. http://dx.doi.org/10.4028/www.scientific.net/msf.794-796.273.

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A6N01 (6005C in ISO) base metal is applied for cantilever type fatigue test over 108 cyclic number. Fatigue strength decreases over 107 and after testing, new prediction formula of fatigue life at high cycle regeion which named YENs formula is proposed for light metal and their welded joints. This formula is shown as below. Log (σa/σp) =k Log (Nf-N0)+m σa is stress amplitude, σp is proof stress k is depend on stress concentration factor Nf is fatigue life without residual stress and No is discrepancy due to residual stress. m is material constant. This formula is a hypothesis and it is required to accumulate much more fatigue data for many kind of alloys and their welded joints.
3

Polák, Jaroslav, Jiří Man, and Ivo Kuběna. "The True Shape of Persistent Slip Markings in Fatigued Metals." Key Engineering Materials 592-593 (November 2013): 781–84. http://dx.doi.org/10.4028/www.scientific.net/kem.592-593.781.

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Persistent slip markings (PSMs) were experimentally studied in 316L steel fatigued to early stages of the fatigue life. High resolution SEM, combined with focused ion beam (FIB) technique and atomic force microscopy (AFM) were used to assess the true shape of PSMs in their early stage of development. General features of PSMs in fatigued metals are extrusions and intrusions. Their characteristic features were determined. They were discussed in relation with the theories of surface relief formation and fatigue crack initiation based on the formation, migration and annihilation of point defects in the bands of intensive cyclic slip - persistent slip bands (PSBs)
4

KAWAGOISHI, Norio, Qiang CHEN, Masahiro GOTO, Qingyuan WANG, and Hironobu NISITANI. "Ultrasonic Fatigue Properties of Metals." Proceedings of Conference of Kyushu Branch 2003 (2003): 47–48. http://dx.doi.org/10.1299/jsmekyushu.2003.47.

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5

TROSHCHENKO, V. T. "Fatigue fracture toughness of metals." Fatigue & Fracture of Engineering Materials & Structures 32, no. 4 (April 2009): 287–91. http://dx.doi.org/10.1111/j.1460-2695.2009.01343.x.

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6

Fonseca de Oliveira Correia, José António, Miguel Muñiz Calvente, Abílio Manuel Pinho de Jesus, and Alfonso Fernández-Canteli. "ICMFM18-Mechanical fatigue of metals." International Journal of Structural Integrity 8, no. 6 (December 4, 2017): 614–16. http://dx.doi.org/10.1108/ijsi-10-2017-0055.

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7

Pineau, André, David L. McDowell, Esteban P. Busso, and Stephen D. Antolovich. "Failure of metals II: Fatigue." Acta Materialia 107 (April 2016): 484–507. http://dx.doi.org/10.1016/j.actamat.2015.05.050.

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8

Vinogradov, A., and S. Hashimoto. "Fatigue of Severely Deformed Metals." Advanced Engineering Materials 5, no. 5 (May 16, 2003): 351–58. http://dx.doi.org/10.1002/adem.200310078.

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9

Lowe, Terry C. "Enhancing Fatigue Properties of Nanostructured Metals and Alloys." Advanced Materials Research 29-30 (November 2007): 117–22. http://dx.doi.org/10.4028/www.scientific.net/amr.29-30.117.

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Анотація:
Recent research on the fatigue properties of nanostructured metals and alloys has shown that they generally possess superior high cycle fatigue performance due largely to improved resistance to crack initiation. However, this advantage is not consistent for all nanostructured metals, nor does it extend to low cycle fatigue. Since nanostructures are designed and controlled at the approximately the same size scale as the defects that influence crack initiation attention to preexisting nanoscale defects is critical for enhancing fatigue life. This paper builds on the state of knowledge of fatigue in nanostructured metals and proposes an approach to understand and improve fatigue life using existing experimental and computational methods for nanostructure design.
10

Teng, N. J., and T. H. Lin. "Elastic Anisotropy Effect of Crystals on Polycrystal Fatigue Crack Initiation." Journal of Engineering Materials and Technology 117, no. 4 (October 1, 1995): 470–77. http://dx.doi.org/10.1115/1.2804741.

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Fatigue bands have been observed in both monocrystalline and polycrystalline metals. Extrusions and intrusions at the free surface of fatigued specimens are favorable sites for fatigue crack nucleation. Previous studies (Lin and Ito, 1969; Lin, 1992) mainly concerned the fatigue crack initiation in aluminum and its alloys. The elastic anisotropy of individual crystals of these metals is insignificant and was accordingly neglected. However, the anisotropy of the elastic constants of some other metallic crystals, such as titanium and some intermetallic compounds, is not negligible. In this paper, the effect of crystal anisotropy is considered by using Eshelby’s equivalent inclusion method. The polycrystal analyzed is Ni3Al intermetallic compound. The plastic shear strain distributions and the cumulative surface plastic strain in the fatigue band versus the number of loading cycles were calculated, and the effect of crystal anisotropy on the growth of the extrusions was examined.
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Статті в журналах Дисертації Книги

Дисертації з теми "Metals Fatigue":

1

Nowicki, Timothy. "Statistical model prediction of fatigue life for diffusion bonded Inconel 600 /." Online version of thesis, 2008. http://hdl.handle.net/1850/7984.

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2

Fernandes, Paulo Jorge Luso. "Fatigue and fracture of metals in liquid-metal environments." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337963.

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3

Lunt, William S. "Molecular dynamics simulation of fatigue damage in metals." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Dec%5FLunt.pdf.

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4

Erasmus, Daniel Jacobus. "The fatigue life cycle prediction of a light aircraft undercarriage." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1527.

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The reliability of systems relies heavily on accurate fatigue life prediction of related components. Fatigue life prediction is a complicated process requiring the correct methodology to determine accurate and reliable predictions. The Palmgren – Miner damage accumulation hypothesis is widely used in determining the fatigue life of components exposed to variable loading conditions. Modifications have been made to this hypothesis trying to achieve a greater degree of accuracy, of these the Liu – Zenner modification has been the most successful. In this report the systematic process of fatigue life prediction using the Liu – Zenner modification to achieve reliable results is calculated. A representative stress time history measured in service on the component forms the basis for defining a flight cycle which is the chosen unit in which to express the fatigue life. Rainflow cycle counting performed on the stress time history allowed the formulation of a load spectrum to which the component is exposed in one cycle. Combining the load spectrum with the developed SN curve of the component and using the Liu – Zenner modification to the Palmgren – Miner rule a reliable fatigue life in cycles is predicted.
5

Williams, Zachary. "Krouse Fatigue for Metals with Elevated Mean Stress." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1597075964521893.

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6

Repetto, Eduardo A. Ortiz Michael. "On the fatigue behavior of ductile F.C.C. metals /." Diss., Pasadena, Calif. : California Institute of Technology, 1998. http://resolver.caltech.edu/CaltechETD:etd-01242008-133649.

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7

Zhao, Tianwen. "Fatigue of aluminum alloy 7075-T651 /." abstract and full text PDF (UNR users only), 2009. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3342620.

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Thesis (Ph. D.)--University of Nevada, Reno, 2008.
"December, 2008." Includes bibliographical references (leaves 76-83). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2009]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
8

Morrissey, Ryan J. "Frequency and mean stress effects in high cycle fatigue of Ti-6A1-4V." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/17095.

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9

Jin, Ohchang. "The characterization of small fatigue crack growth in PH13-8 Mo stainless steel." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/19633.

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10

Ghodratighalati, Mohamad. "Multiscale Modeling of Fatigue and Fracture in Polycrystalline Metals, 3D Printed Metals, and Bio-inspired Materials." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/104944.

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The goal of this research is developing a computational framework to study mechanical fatigue and fracture at different length scales for a broad range of materials. The developed multiscale framework is utilized to study the details of fracture and fatigue for the rolling contact in rails, additively manufactured alloys, and bio-inspired hierarchical materials. Rolling contact fatigue (RCF) is a major source of failure and a dominant cause of maintenance and replacements in many railways around the world. The highly-localized stress in a relatively small contact area at the wheel-rail interface promotes micro-crack initiation and propagation near the surface of the rail. 2D and 3D microstructural-based computational frameworks are developed for studying the rolling contact fatigue in rail materials. The method can predict RCF life and simulate crack initiation sites under various conditions. The results obtained from studying RCF behavior in different conditions will help better maintenance of the railways and increase the safety of trains. The developed framework is employed to study the fracture and fatigue behavior in 3D printed metallic alloys fabricated by selective laser melting (SLM) method. SLM method as a part of metal additive manufacturing (AM) technologies is revolutionizing the manufacturing sector and is being utilized across a diverse array of industries, including biomedical, automotive, aerospace, energy, consumer goods, and many others. Since experiments on 3D printed alloys are considerably time-consuming and expensive, computational analysis is a proper alternative to reduce cost and time. In this research, a computational framework is developed to study fracture and fatigue in different scales in 3D printed alloys fabricated by the SLM method. Our method for studying the fatigue at the microstructural level of 3D printed alloys is pioneering with no similar work being available in the literature. Our studies can be used as a first step toward establishing comprehensive numerical frameworks to investigate fracture and fatigue behavior of 3D metallic devices with complex geometries, fabricated by 3D printing. Composite materials are fabricated by combining the attractive mechanical properties of materials into one system. A combination of materials with different mechanical properties, size, geometry, and order of different phases can lead to fabricating a new material with a wide range of properties. A fundamental problem in engineering is how to find the design that exhibits the best combination of these properties. Biological composites like bone, nacre, and teeth attracted much attention among the researchers. These materials are constructed from simple building blocks and show an uncommon combination of high strength and toughness. By inspiring from simple building blocks in bio-inspired materials, we have simulated fracture behavior of a pre-designed composite material consisting of soft and stiff building blocks. The results show a better performance of bio-inspired composites compared to their building blocks. Furthermore, an optimization methodology is implemented into the designing the bio-inspired composites for the first time, which enables us to perform the bio-inspired material design with the target of finding the most efficient geometries that can resist defects in their structure. This study can be used as an effective reference for creating damage-tolerant structures with improved mechanical behavior.
Doctor of Philosophy
The goal of this research is developing a multiscale framework to study the details of fracture and fatigue for the rolling contact in rails, additively manufactured alloys, and bio-inspired hierarchical materials. Rolling contact fatigue (RCF) is a major source of failure and a dominant cause of maintenance and replacements in many railways around the world. Different computational models are developed for studying rolling contact fatigue in rail materials. The method can predict RCF life and simulate crack initiation sites under various conditions and the results will help better maintenance of the railways and increase the safety of trains. The developed model is employed to study the fracture and fatigue behavior in 3D printed metals created by the selective laser melting (SLM) method. SLM method as a part of metal additive manufacturing (AM) technologies is revolutionizing industries including biomedical, automotive, aerospace, energy, and many others. Since experiments on 3D printed metals are considerably time-consuming and expensive, computational analysis is a proper alternative to reduce cost and time. Our method for studying the fatigue at the microstructural level of 3D printed alloys can help to create more fatigue and fracture resistant materials. In the last section, we have studied fracture behavior in bio-inspired materials. A fundamental problem in engineering is how to find the design that exhibits the best combination of mechanical properties. Biological materials like bone, nacre, and teeth are constructed from simple building blocks and show a surprising combination of high strength and toughness. By inspiring from these materials, we have simulated fracture behavior of a pre-designed composite material consisting of soft and stiff building blocks. The results show a better performance of bio-inspired structure compared to its building blocks. Furthermore, an optimization method is implemented into the designing the bio-inspired structures for the first time, which enables us to perform the bio-inspired material design with the target of finding the most efficient geometries that can resist defects in their structure.
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Книги з теми "Metals Fatigue":

1

Frost, N. E. Metal fatigue. Mineola, NY: Dover Publications, 1999.

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2

I, Stephens R., and Fuchs H. O. 1907-, eds. Metal fatigue in engineering. 2nd ed. New York: Wiley, 2001.

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3

Cardona, D. C. Fatigue of brittle metals. Birmingham: University of Birmingham, 1990.

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4

Weroński, Andrzej. Thermal fatigue of metals. New York: M. Dekker, 1991.

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5

Schijve, Jaap. Biaxial Fatigue of Metals. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-23606-3.

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6

Bathias, Claude. Fatigue Limit in Metals. Hoboken, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118648704.

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7

Correia, José A. F. O., Abílio M. P. De Jesus, António Augusto Fernandes, and Rui Calçada, eds. Mechanical Fatigue of Metals. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13980-3.

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8

Bannantine, Julie A. Fundamentals of metal fatigue analysis. Englewood Cliffs, N.J: Prentice Hall, 1990.

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9

Dang, Van Ky, and Papadopoulos Iōannēs V, eds. High-cycle metal fatique: From theory to applications. Wien: Springer, 1999.

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10

Milella, P. P. Fatigue and corrosion in metals. Milan: Springer, 2013.

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Частини книг з теми "Metals Fatigue":

1

Kaesche, Helmut. "Corrosion Fatigue." In Corrosion of Metals, 525–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-96038-3_16.

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2

Carlson, R. L., G. A. Kardomateas, and J. I. Craig. "Fatigue in Metals." In Solid Mechanics and Its Applications, 19–39. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4252-9_3.

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3

Milella, Pietro Paolo. "Corrosion Fatigue." In Fatigue and Corrosion in Metals, 767–806. Milano: Springer Milan, 2012. http://dx.doi.org/10.1007/978-88-470-2336-9_16.

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4

Milella, Pietro Paolo. "Multiaxial Fatigue." In Fatigue and Corrosion in Metals, 477–520. Milano: Springer Milan, 2012. http://dx.doi.org/10.1007/978-88-470-2336-9_9.

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5

Bhaduri, Amit. "Fatigue." In Mechanical Properties and Working of Metals and Alloys, 317–71. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7209-3_8.

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6

Milella, Pietro Paolo. "Stress-Based Fatigue Analysis High Cycle Fatigue." In Fatigue and Corrosion in Metals, 245–308. Milano: Springer Milan, 2012. http://dx.doi.org/10.1007/978-88-470-2336-9_5.

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7

Milella, Pietro Paolo. "Strain-Based Fatigue Analysis Low Cycle Fatigue." In Fatigue and Corrosion in Metals, 309–63. Milano: Springer Milan, 2012. http://dx.doi.org/10.1007/978-88-470-2336-9_6.

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8

Schijve, Jaap. "Biaxial Fatigue of Metals." In Biaxial Fatigue of Metals, 1–23. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23606-3_1.

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9

Milella, Pietro Paolo. "Fatigue in Welds." In Fatigue and Corrosion in Metals, 625–50. Milano: Springer Milan, 2012. http://dx.doi.org/10.1007/978-88-470-2336-9_12.

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10

Cavaliere, P., and A. Silvello. "Laser Cladding: Fatigue Properties." In Laser Cladding of Metals, 161–84. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53195-9_6.

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Тези доповідей конференцій з теми "Metals Fatigue":

1

Mamiya, Edgar Nobuo, and José Alexander Araújo. "A Criterion to Predict the Fatigue Strength of Hard Metals under Multiaxial Loading." In SAE Brasil International Conference on Fatigue. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2001. http://dx.doi.org/10.4271/2001-01-4065.

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2

Luong, Minh Phong. "Infrared thermography of fatigue in metals." In Aerospace Sensing, edited by Jan K. Eklund. SPIE, 1992. http://dx.doi.org/10.1117/12.58539.

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3

"The Development of Fatigue Cracks in Metals." In Experimental Mechanics of Solids. Materials Research Forum LLC, 2019. http://dx.doi.org/10.21741/9781644900215-18.

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4

Luong, Minh Phong. "Fatigue evaluation of metals using infrared thermography." In Second International Conference on Experimental Mechanics, edited by Fook S. Chau and Chenggen Quan. SPIE, 2001. http://dx.doi.org/10.1117/12.429590.

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5

Xue, Yibin, Tong Li, and Frank Abdi. "Fatigue Damage Initiation Life Prediction for Heterogeneous Metals." In 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2013. http://dx.doi.org/10.2514/6.2013-1653.

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6

Krapez, J. C., D. Pacou, and G. Gardette. "Lock-in thermography and fatigue limit of metals." In 2000 Quantitative InfraRed Thermography. QIRT Council, 2000. http://dx.doi.org/10.21611/qirt.2000.051.

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7

San Marchi, Chris, and Brian P. Somerday. "Fatigue Crack Growth of Structural Metals for Hydrogen Service." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57701.

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As hydrogen fuel cell technologies achieve market penetration, there is a growing need to characterize a range of structural metals that are used in the hydrogen environments that are encountered in gaseous hydrogen fuel systems. A review of existing data show that hydrogen can significantly accelerate fatigue crack growth of many common structural metals; however, comprehensive characterization of the effects of hydrogen on fatigue properties is generally lacking from the literature, even for structural metals that have been used extensively in high-pressure gaseous hydrogen environments. This report provides new testing data on the effects of hydrogen on fatigue of structural metals that are commonly employed in high-pressure gaseous hydrogen.
8

Vshivkov, A., A. Iziumova, and O. Plekhov. "Experimental study of thermodynamics propagation fatigue crack in metals." In ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4932925.

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9

Kwon, Y. W. "Molecular Dynamics Study of Metal Fatigue Process." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59399.

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Molecular dynamics study was conducted to understand fatigue process in metals and to predict fatigue failure. As the first step, a pure metal like copper was considered for the study with defects at the atomic level such as vacancies or dislocations. The study was focused on identifying parameters which can provide indications of progressive damage accumulation in the material under cyclic loading. The results obtained by simulations were compared to macroscopic observations in the experimental studies
10

Bogarapu, Mahesh C., and Igor Sevostianov. "Cross Property Correlations for Metals Subjected to Fatigue Damage Accumulation." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1524.

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A new method of evaluation of elastic property deterioration due to accumulated damage is suggested and experimentally verified. It is based on the explicit correlations between two groups of anisotropic properties – conductivity and elasticity, recently established for porous/microcracked materials with anisotropic microstructures. An experimental study of fatigue has been done to verify the theoretical predictions. The electrical resistance and Young’s modulus are measured as functions of the number of loading cycles in the standard fatigue tests. The agreement between the theoretical predictions and the direct experimental data is better than 10% in all cases. The results allow one to use the measurement of electric resistance to estimate the damage accumulated in metal structures and decrease in the elastic modulus.

Звіти організацій з теми "Metals Fatigue":

1

Farkas, Diana. Atomistic Mechanisms of Fatigue in Nanocrystalline Metals. Fort Belvoir, VA: Defense Technical Information Center, December 2004. http://dx.doi.org/10.21236/ada438940.

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2

Hertzberg, Richard W. Fatigue and Fracture Mechanics of Structural Metals, Plastics, and Composites. Fort Belvoir, VA: Defense Technical Information Center, August 1986. http://dx.doi.org/10.21236/ada173064.

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3

Lewandowski, John J. Microstructural Effects on Fracture and Fatigue of Advanced Refractory Metals and Composites. Fort Belvoir, VA: Defense Technical Information Center, June 2001. http://dx.doi.org/10.21236/ada387898.

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4

Guralnick. Hysteresis and Acoustic Emission as Non-Destructive Measures of the Fatigue Process in Metals. Fort Belvoir, VA: Defense Technical Information Center, March 1995. http://dx.doi.org/10.21236/ada295602.

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5

Hackel, L. A., and H.-L. Chen. Laser Peening--Strengthening Metals to Improve Fatigue Lifetime and Retard Stress-Induced Corrosion Cracking in Gears, Bolts and Cutter. Office of Scientific and Technical Information (OSTI), August 2003. http://dx.doi.org/10.2172/15004997.

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6

zhixia, Zhang, Song Jiating, Pan lanlan, xiaoting Lin, and jing li. The Effect of different exercise methods in the treatment of cancer-related fatigue: a network meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, November 2022. http://dx.doi.org/10.37766/inplasy2022.11.0004.

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Review question / Objective: To compare the clinical effects of different exercise methods for cancer fatigue by using mesh Meta-analysis, and to choose the best exercise method for cancer fatigue. Condition being studied: Cancer-related fatigue. Eligibility criteria: Inclusion criteria: (1) Study subjects: the patients is caused by fatigue.(2) Intervention: A group of patients used exercise intervention. (3) Study type: RCT. (4) Outcome index: Cancer-related fatigue score.(5) Grey literature is available.(6) Language in Chinese or English.Exclusion criteria:(1) Using oral drugs. (2) It can not provide complete data. (3) Repeatedly published literature. (4) Conference papers. (5) Literature with inconsistent data types:(1) Using oral drugs. (2) It can not provide complete data. (3) Repeatedly published literature. (4) Conference papers. (5) Literature with inconsistent data types.
7

Tsai, I.-Chen, and Ke-Vin Chang. Effectiveness of Coenzyme Q10 for Reducing Fatigue: a Systematic Review and Meta-analysis of Randomized Controlled Trials. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, January 2022. http://dx.doi.org/10.37766/inplasy2022.1.0113.

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Review question / Objective: To investigate the treatment effect of CoQ10 on fatigue syndromes. Eligibility criteria: To generate a recruited study list, the following inclusion criteria will be used: (1) randomized controlled trials (RCTs) enrolling human participants, (2) RCTs investigating the quantitative evaluation of fatigue symptoms before and after CoQ10 supplement, (3) placebo-controlled trials (without limitation of age and treatment duration ) and (4) trials with available data of pre- and post-intervention fatigue assessment or changes in fatigue scores. In this meta-analysis, open-label studies were also included since recent studies found that the open-label placebo had similar efficacy as the double-blind one.
8

Liu, Zhen, Zhizhen Lv, Jiao Shi, Shuangwei Hong, Huazhi Huang, and Lijiang Lv. Efficacy of traditional Chinese exercise in patients with chronic fatigue syndrome: a protocol for a systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, September 2022. http://dx.doi.org/10.37766/inplasy2022.9.0022.

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Review question / Objective: Chronic fatigue syndrome (CFS) is a disease in which fatigue strikes or lasts for more than 6 months, accompanied by pain, sleep disturbance, anxiety, and depression. Moreover, it brings a heavy economic burden to society. Traditional Chinese exercises (TCEs) are a traditional Chinese medical treatment and have good efficacy on CFS, therefore, this systematic evaluation is to accurately evaluate the efficacy of TCEs on CFS. P: Patients with chronic fatigue syndrome. I: Traditional Chinese exercises. C: conventional exercise, acupuncture, physiotherapy, and other physical therapy methods. O: quality of life, fatigue, pain, sleep, anxiety, and depression. S: randomized controlled trials. Condition being studied: Chronic fatigue syndrome (CFS) is a disease in which fatigue strikes or lasts for more than 6 months, accompanied by pain, sleep disturbance, anxiety, and depression. Moreover, it brings a heavy economic burden to society. Traditional Chinese exercises (TCEs) are a traditional Chinese medical treatment and have good efficacy on CFS. Therefore, this systematic evaluation is to accurately evaluate the efficacy of TCEs on CFS, to provide an alternative therapy for clinical treatment of CFS.
9

Wang, Yanli, Peijun Hou, and Sam Sham. Report on FY 2020 creep, fatigue and creep fatigue testing of Alloy 709 base metal at ORNL. Office of Scientific and Technical Information (OSTI), September 2020. http://dx.doi.org/10.2172/1671410.

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10

Wang, Yanli, Peijun Hou, and T. Sham. Report on FY 2021 creep, fatigue and creep fatigue testing of Alloy 709 base metal at ORNL. Office of Scientific and Technical Information (OSTI), August 2021. http://dx.doi.org/10.2172/1813151.

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