Relevant bibliographies by topics / Component metal fatigue

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Component metal fatigue'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Component metal fatigue"

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Miao, Zhang, Meng Qingchun, Hu Weiping, and Zhang Xing. "Study on Anisotropic Fatigue Damage Model of Metal Component." International Journal of Damage Mechanics 21, no. 4 (2011): 599–620. http://dx.doi.org/10.1177/1056789511414216.

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First of all, the boom–panel model is constructed to describe the anisotropic damage evolution of continuum volume element. The constitutive relation of continuum volume element is represented by damage extent of the booms and panels. Furthermore, based on irreversible thermodynamics, damage evolution equations of boom and panel are constructed. The fatigue life prediction method for smooth specimen under the repeated loading with constant strain amplitude is constructed. By the theory of conservative integral in damage mechanics, the fatigue life prediction method for notched specimen under t
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Qiao, Ning, Mu Xiao Shan, and Ye Zheng Li. "Metal Magnetic Memory Testing of Welded Joints under Fatigue Load." Materials Science Forum 898 (June 2017): 1069–78. http://dx.doi.org/10.4028/www.scientific.net/msf.898.1069.

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To investigate the influence of stress concentration, crack propagation and types of fatigue loading on metal magnetic memory signals, two groups of fatigue experiments with different types of fatigue loading were carried out on Q235B steel welded joint. The normal components of magnetic flux leakage were measured by metal magnetic memory tester in the course of fatigue test, and the fracture surfaces of specimens were observed by scanning electron microscopy after fatigue tests. The experimental results showed that the normal components of magnetic flux leakage filed, as well as the metal mag
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Benasciutti, Denis, Luciano Moro, and Jelena Srnec Novak. "Metal Plasticity and Fatigue at High Temperature." Metals 10, no. 3 (2020): 326. http://dx.doi.org/10.3390/met10030326.

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The situation in which a component or structure is maintained at high temperature under the action of cyclic thermal and/or mechanical loadings represents, perhaps, one of the most demanding engineering applications—if not, in fact, the most demanding one [...]
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Trieb, Klemens. "A novel ceramic tibial component is as safe as its metal counterpart." Biomedical Engineering / Biomedizinische Technik 63, no. 3 (2018): 327–32. http://dx.doi.org/10.1515/bmt-2016-0231.

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Abstract Failure rates of 2–10% provide evidence for further development in knee arthroplasty. The purpose of our study was to examine the safety of the tibial component of a novel all-ceramic total knee replacement (TKR) (BPK-S Integration ceramic) consisting of BIOLOX®delta ceramic. The standards ISO 14879-1 and ASTM F1800-07 describe the test set-up for the experimental strength verification with a significantly increased maximum load of 5300 N (900 N are required) and post-fatigue burst strength testing. All specimens were able to prove their mechanical strength against fracture in the alt
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Lijesh, KP, Mohammad Mehdizadeh, and Michael M. Khonsari. "Online monitoring of metal fatigue life." Structural Health Monitoring 19, no. 3 (2019): 938–52. http://dx.doi.org/10.1177/1475921719871668.

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A novel nondestructive testing methodology is proposed for online monitoring health and for in situ determination of the fatigue life of a component. This method only requires the determination of current and voltage consumed by the driving motor during its operation. The efficacy of the proposed method is established by performing a series of bending fatigue experiments over a wide range of operating conditions with specimens made of SS304 and SS321 materials. Results are correlated with those obtained thermographically via an infrared camera. To further establish the utility of the approach,
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Baek, Sang Ho, Won Seock Kim, Chang Jae Jang, and Jung Ju Lee. "Mixed-Mode Fatigue Characteristics of Composite/Metal Interfaces." Key Engineering Materials 452-453 (November 2010): 437–40. http://dx.doi.org/10.4028/www.scientific.net/kem.452-453.437.

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For most of structural failure in engineering structures , fracture often takes place due to a phenomenon called fatigue. Therefore, many studies about the effect of the various mode-mixities on fatigue characteristics have been performed. However, most of the former studies are about metal/metal interface or delamination of composite. In this study, the fatigue characteristics of a composite/metal interface are investigated. The fatigue tests were performed using single-leg bending (SLB) specimens bonded with composite and steel using co-cure bonding method. This paper focuses on the fatigue
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Xue, Nan, Li Hong Dong, Bin Shi Xu, Cheng Chen, and Shi Yun Dong. "Characterization of Fatigue Damage of Crankshaft Remanufacturing Core by Two-Dimensional Magnetic Memory Signal." Advanced Materials Research 538-541 (June 2012): 1588–93. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.1588.

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Fatigue damage degree of crankshaft remanufacturing core was studied based on Metal Magnetic Memory Testing. Bending fatigue test of crankshaft remanufacturing core was conducted on the resonant fatigue test rig and variations of two-dimensional magnetic memory signal distribution in crankshaft pin fillets were studied at different bending fatigue cycle. Experimental research shows that distributions of Hp(x) signals, namely, tangential component of spontaneous stray field and Hp(y) signals, namely, normal component of spontaneous stray field in crankshaft pin fillets have no obvious change wi
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Kaplan, Cihangir, Cem Güleç, and Mesut Arıkoğlu. "English Estimating Fatigue of Nr45 Natural Rubber Used in Crank Pulley." ICONTECH INTERNATIONAL JOURNAL 5, no. 3 (2021): 21–30. http://dx.doi.org/10.46291/icontechvol5iss3pp21-30.

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Rubber is used as a vibration damper in many engineering applications, especially in the automotive industry. Rubber is used to dampen torsional vibration in internal combustion engines. Therefore, crank pulleys are used to dampen the crankshaft in a certain frequency range. Rubber durability is very important for the crank pulley to perform its duty for a long time. In this study, the dynamic life of NR45 natural rubber with two different mixtures used in crank pulleys was determined by the prepared test approach. A metal-rubber component structure used in the slip test samples was formed and
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Hetzel, Andreas, Robert Schulte, Manfred Vogel, et al. "Functional Analysis of Components Manufactured by a Sheet-Bulk Metal Forming Process." Journal of Manufacturing and Materials Processing 5, no. 2 (2021): 49. http://dx.doi.org/10.3390/jmmp5020049.

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Due to rising demands regarding the functionality and load-bearing capacity of functional components such as synchronizer rings in gear systems, conventional forming operations are reaching their limits with respect to formability and efficiency. One way to meet these challenges is the application of the innovative process class of sheet-bulk metal forming (SBMF). By applying bulk forming operations to sheet metal, the advantages of both process classes can be combined, thus realizing an optimized part weight and an adapted load-bearing capacity. Different approaches to manufacturing relevant
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Ochi, Hiizu, Yoshihiro Isshiki, and Gosaku Kawai. "Fatigue strength of friction-welded joints of aluminum bronze to stainless steel." Strength, Fracture and Complexity 13, no. 2 (2020): 81–90. http://dx.doi.org/10.3233/sfc-204000.

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Friction welding of C6191 aluminum bronze to SUS304L stainless steel was carried out to examine its weldability. Joint strength was evaluated by fatigue strength. The C6191 and the SUS304L at the weld interface were hardened, while the heat affected zone of the SUS304L was slightly softened. A reaction layer of 1–5 μm that consisted of component elements of the base metals was observed at the weld interface. The fatigue limit of the joint welded under the optimum welding condition was higher than those of the base metals because of the hardening of C6191 and SUS304L, and the fatigue limit of j
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Dissertations / Theses on the topic "Component metal fatigue"

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Hammond, D. W. "Fatigue fracture in the presence of shot peening residual stresses : initiation, propagation and relaxation phenomena." Thesis, Cranfield University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233342.

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Rodopoulos, C. A. "Fatigue studies under constant and variable amplitude loading in MMCs." Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245575.

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Li, Zongbao. "Crack detection in annular components by ultrasonic guided waves." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/15920.

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Kienle, Ulrich F. B. "A laboratory simulation of adhesive wear of high speed reciprocating components in water powered mining equipment." Master's thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/22575.

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Bibliography: pages 117-120.<br>A high-speed reciprocating sliding wear test rig was used to examine the metal on metal surface interactions of materials under consideration for application in water powered stoping equipment. The suitability of this test rig was investigated by implementing a test programme covering self-mated stainless steel and stainless steel-on-bronze couples. These couples were examined under water lubricated conditions in a broad test matrix, covering sinusoidal peak velocities of 1, 5 and 10 m/s; loads of 5, 10 and 20N and surface roughness values ranging from 0.2 to 0.
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Müller, Ruan. "Characterising the stress-life response of mechanical formed AISI-1008 steel plate components." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1008102.

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The main purpose of this research project was to determine the fatigue-life behaviour of AISI 1008 sheet steel which has been mechanically formed to a radius of curvature of 120mm and then to correlate the fatigue-life behaviour to that of the parent or “as manufactured” material. During the forming process it was felt important to induce plastic strain through stretch-bending by clamping the sides of a plate sample’s (width) edges in the bending fixture before being bent by a single acting mechanical press. It was determined through actual testing that there was a decrease in fatigue-life whe
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Bennett, Valerie P. "A microscale study of small crack propagation in multiaxial fatigue." Diss., Atlanta, Ga. : Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/23957.

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Pereira, M. F. V. T., M. Williams, and Preez W. B. Du. "Characterization of metal powder based rapid prototyping components with respect to aluminium high pressure die casting process conditions." Journal for New Generation Sciences, Vol 8, Issue 2: Central University of Technology, Free State, Bloemfontein, 2010. http://hdl.handle.net/11462/563.

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Published Article<br>This paper is based on tests performed on die component specimens manufactured by EOS-DMLS (direct metal laser sintering) and LENS (laser engineered net shape) RP (rapid prototyping) technology platforms, as well as manufactured specimens machined out of preferred standard hot work steel DIN 1.2344. These specimens resemble typical components used in metal high pressure die casting tool sets. The specimens were subjected to a programme of cyclic immersion in molten aluminium alloy and cooling in water-based die release medium. The heat checking and soldering phenomena were
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Semeráková, Nikola. "Detekce bdělosti mozku ze skalpového EEG záznamu za pomoci vyšších statistických metod." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-378032.

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Presented master's thesis deals with detection of brain wakefulness from scalp EEG data with higher order statistics. Part of the thesis is a description of electroencephalography, from the method of signal generation, sensing, electroencephraphy, EEG signal artifacts, frequency bands of EEG signal to its possible processing. Furthermore, the concept of mental fatigue and the possibility of its detection in the EEG signal is described. Subsequently, the principles of higher statistical methods of PCA and ICA and the specific possibilities of decomposition of EEG signal are described using thes
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Ferri, Orley Milagres [Verfasser]. "Optimisation of fatigue behaviour of Ti-6Al-4V alloy components fabricated by metal injection moulding / von Orley Milagres Ferri." 2010. http://d-nb.info/1009436813/34.

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(8741097), Ritwik Bandyopadhyay. "ENSURING FATIGUE PERFORMANCE VIA LOCATION-SPECIFIC LIFING IN AEROSPACE COMPONENTS MADE OF TITANIUM ALLOYS AND NICKEL-BASE SUPERALLOYS." Thesis, 2020.

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<div>In this thesis, the role of location-specific microstructural features in the fatigue performance of the safety-critical aerospace components made of Nickel (Ni)-base superalloys and linear friction welded (LFW) Titanium (Ti) alloys has been studied using crystal plasticity finite element (CPFE) simulations, energy dispersive X-ray diffraction (EDD), backscatter electron (BSE) images and digital image correlation (DIC).</div><div><br></div><div>In order to develop a microstructure-sensitive fatigue life prediction framework, first, it is essential to build trust in the quantitative predic
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Books on the topic "Component metal fatigue"

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Esper, F. J. Fatigue design for PM components: Manual for design and production engineers. European Powder Metallurgy Association, 1994.

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Carden, Huey D. Failure behavior of generic metallic and composite aircraft structural components under crash loads. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1990.

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V, Bicego, Nitta A, Viswanathan Ramaswamy, Comité de Informática do Setor de Energia Elétrica., and Gruppo italiano frattura, eds. Materials ageing and component life extension. Engineering Materials Advisory Services, 1995.

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Spahl, Robert. Safety tests for components of vehicles using load spectra. Shaker, 1996.

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Center, Langley Research, ed. Empirical modeling of environment-enhanced fatigue crack propagation in structural alloys for component life prediction. National Aeronautics and Space Administration, Langley Research Center, 1995.

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Miller, Brett A., Roch J. Shipley, Ronald J. Parrington, and Daniel P. Dennies, eds. Analysis and Prevention of Component and Equipment Failures. ASM International, 2021. http://dx.doi.org/10.31399/asm.hb.v11a.9781627083294.

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Volume 11A provides information and insights on the factors that determine the useful service life of engineering components and the likely timing and mode of failure. It addresses nearly every stage of the product lifecycle from materials selection and design to manufacturing, operation, maintenance, and repair. It explains how to use life assessment methods to evaluate the effect of corrosion, fatigue, brittle fracture, elevated temperature, and other forms of damage. It also includes a section that examines the effects of casting, forming, welding, heat treating, and other manufacturing pro
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E, Niemi, and International Institute of Welding, eds. Stress determination for fatigue analysis of welded components. Abington in association with the International Institute of Welding, 1995.

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M, Neal Donald, and Langley Research Center, eds. A statistical simulation approach to safe life fatigue analysis of redundant metallic components. National Aeronautics and Space Administration, Langley Research Center, 1997.

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M, Neal Donald, and Langley Research Center, eds. A statistical simulation approach to safe life fatigue analysis of redundant metallic components. National Aeronautics and Space Administration, Langley Research Center, 1997.

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Book chapters on the topic "Component metal fatigue"

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Besserer, Hans-Bernward, Florian Nürnberger, and Hans Jürgen Maier. "Fatigue Behavior of Sheet-Bulk Metal Formed Components." In Lecture Notes in Production Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-61902-2_18.

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Chen, Lan-Lan, Jun-Zhong Zou, Jian Zhang, Chun-Mei Wang, and Min Wang. "EEG Feature Extraction During Mental Fatigue and Relaxation by Principal Component Analysis." In Advances in Cognitive Neurodynamics (II). Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9695-1_59.

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Babu, G. Dinesh, and M. Nageswara Rao. "Effect of Modified Aging Treatments on the Tensile Properties, Quality Indices and Fatigue Life of Cast Components of Aluminum Alloy 354." In Light Metals 2014. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-48144-9_44.

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Babu, G. Dinesh, and M. Nageswara Rao. "Effect of Modified Aging Treatments on the Tensile Properties, Quality Indices and Fatigue Life of Cast Components of Aluminum Alloy 354." In Light Metals 2014. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118888438.ch44.

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Lugo, Marco, Wilburn Whittington, Youssef Hammi, et al. "Using an Internal State Variable (ISV)-Multistage Fatigue (MSF) Sequential Analysis for the Design of a Cast AZ91 Magnesium Alloy Front-End Automotive Component." In Integrated Computational Materials Engineering (ICME) for Metals. John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119018377.ch11.

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Murakami, Yukitaka. "Quality control of mass production components based on defect analysis." In Metal Fatigue. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-813876-2.00024-8.

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Melhem, George Nadim. "Aerospace Fasteners: Use in Structural Applications." In Encyclopedia of Aluminum and Its Alloys. CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000240.

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Aircraft components need to be selected and manufactured to adequately combat the environment, temperature, loading, compatibility, and so on. When structural materials such as aluminum alloys or fiber-reinforced polymer composites need to be joined in aircraft, the selection of fasteners, bolts, rivets, adhesives, and other methods need to be quantitatively assessed in order that the correct design for the component and joining method is identified. There is a variety of fasteners, bolts, and rivets, made using a variety of materials. Aluminum rivets are often used to join aluminum components in an aircraft. Rivets do not perform well under tension loading, but perform better in shear, thus limiting the application specifically for these purposes. Bolts are designed to clamp material together, and even though the bolt may be adequate to support a particular structure and load requirement, consideration must also be given to the modulus of elasticity and stiffness of the components that are being clamped together. Therefore, an understanding of each of the materials being clamped or joined together is necessary. Bolts manufactured from steel, for instance, have coatings applied in order to help protect them from corrosion. The use of composites translates to a reduced number of rivets and fasteners to be used. Drilling of holes into composites to insert fasteners poses many challenges because the fibers are damaged, a region of high stress concentration may be formed, and the hole is a site for the ingress of water or moisture. The insertion of aluminum fasteners or the contact of aluminum components with carbon fibers creates galvanic corrosion due to the large difference in electrical potential. Titanium alloy (Ti-6Al-4V) is a typical fastener where there is composite joining due to its better compatibility (elimination of galvanic corrosion) and increased strength properties. Substitution of rivets and fasteners for welding is also on the increase in aircraft because laser beam welding (LBW) and friction stir welding both reduce cracking, porosity, and better properties achieved due to deeper penetration, and reduce the heat-affected zone which would typically be undesirable with conventional arc welding such as metal inert gas and tungsten inert gas welding. The shear and compressive stresses are increased, and fatigue cracking, weight, and cost are also reduced as a result of LBW, including the elimination of stresses and corrosion associated with rivets and the elimination of adhesives. Dissimilar metals such as the 7000 series and the 2000 series can be joined with a filler metal compatible to both metals to mitigate galvanic corrosion.
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"Practical Remarks and Advice Concerning Operational Use of Some Industrial Components Working Under Conditions of Thermal Fatigue." In Thermal Fatigue of Metals. CRC Press, 1991. http://dx.doi.org/10.1201/9781482276831-13.

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Vega-Muñoz, Alejandro, and Carla Estrada-Muñoz. "Evaluating Technostress to Improve Teaching Performance." In Advances in Psychology, Mental Health, and Behavioral Studies. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1052-0.ch008.

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The main objective is to evaluate the techno stress perception in the Chilean higher education system professors, a system with a strong market orientation regarding the career's free choice and professional orientation, which is mainly offered in face-to-face mode. In the techno-stress levels identification, it is important to distinguish if these are such that they can affect the teaching performance. For this, techno-tensors and factors are used that determine the technology impact levels in academic stress, in the components: skepticism, fatigue, anxiety and inefficacy. A quantitative approach methodology and non-random design is used, with a snowball sampling obtaining the 190 academics' opinions from Chilean universities. Detecting in general low techno-stress levels with the fatigue slightly higher in comparison to the other three components.
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Farkas, József, and Károly Jármai. "Steel and aluminium structural components with fatigue constraints for welded joints." In Analysis and Optimum Design of Metal Structures. CRC Press, 2020. http://dx.doi.org/10.1201/9781003077947-13.

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Conference papers on the topic "Component metal fatigue"

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Mignery, Lezza A. "Vibration Analysis of Metal/Polymer/Metal Components." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0556.

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Abstract In this report, a practical finite element design method is developed for metal/polymer/metal laminated components. An analysis is presented which will predict the damping characteristics of laminated structures. Predictions of natural frequencies, loss factors, and frequency responses are compared to experimental data and closed form solutions for simple geometries. The analysis is then used to determine the damping characteristics of a laminated design. It is then shown how to use the analysis to improve the damping quality of the component. With the methods presented here, componen
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Scott-Emuakpor, Onome, Casey Holycross, Tommy George, Kevin Knapp, and Jeffery Bruns. "Fatigue and Strength Studies of Titanium 6Al-4V Fabricated by Direct Metal Laser Sintering." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42891.

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Vibratory bending fatigue life behavior of Titanium (Ti) 6Al-4V plate specimens has been assessed. The plates were manufactured via direct metal laser sintering (DMLS), which is a powder bed, laser deposition additive manufacturing process. Motivation for this work is based on unprecedented performance demands for sixth generation gas turbine engine technology. For example, the inclusion of a third stream flow for improving engine performance may add complexity and weight that could offset anticipated thrust and fuel efficiency gains. Therefore, complex, lightweight components with improved fu
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Xing, Hai Yan, Jia Zhong Zhang, Zun Bao Zhao, Min Qiang Xu, Ri Xin Wang, and Da Bo Wu. "Fatigue Property of Steel Q235 Based on Metal Magnetic Memory Testing." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13457.

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Fatigue damage is the most common kind of failure for metal materials. Traditional non-destructive testing (NDT) methods fail to predict early fatigue damage. Magnetic Metal Memory (MMM) Testing, a new NDT technology, has the potential of fatigue damage evaluation. This paper aims to investigate fatigue mechanical property of ferromagnetic material with the MMM method. Steel Q235 samples with different depth and breadth artificial crack are tested in rotary bending fatigue machinery. The MMM fatigue features are as follows: the tangent component Hp(x) of magnetic induction intensity is gradual
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Bender, Thorben, Andreas Klenk, and Stefan Weihe. "Damage Assessment of Similar Martensitic Welds Under Creep, Fatigue and Creep-Fatigue Loading." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21497.

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Abstract For the assessment of welds under high-temperature conditions in the creep or creep-fatigue regimes, the knowledge on the damage location and its temporal evolution are of high importance. The failure behavior of similar welds of ferritic-martensitic steels in the creep regime is well known. For creep-fatigue loading, the behavior of welds is still subject to research but it seems that the heat affected zone (HAZ) limits the lifetime of welded components as well. This local failure behavior is not reflected in design guidelines using weld reduction factors or in typical assessment app
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Landersheim, Volker, Chalid el Dsoki, Holger Hanselka, et al. "Numerical Fatigue Strength Evaluation of Inhomogeneous, Linear Flow Split Profiles." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49737.

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The innovative sheet metal forming technology “Linear Flow Splitting” offers various new options for designing profile-like components. The forming process leads to severe changes in local material properties, inhomogeneities and residual stresses within the manufactured component. These effects influence the mechanical properties of the manufactured components. If the components are designed to endure cyclic mechanical loads, it is especially important to know the components fatigue properties. This paper focuses on a method to derive the fatigue properties of Linear Flow Split Profiles by no
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Shi, Jinhua, William Bell, and Alan M. Laird. "Fatigue Life Assessment of Boiler Components Under Cyclic Operating Conditions." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-94065.

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A fatigue life assessment application has been implemented using the methodology given in the European Standard EN 12952-3. The assessment application can use data from the Distributed Control System (DCS) of the plant or, to improve accuracy, use component metal temperatures if thermocouples have been fitted across the component of interest. Fatigue assessments have been carried out on typical high temperature components in Heat Recovery Steam Generators (HRSGs) and a large coal fired boiler which were subject to cyclic operation. The assessments carried out used recorded plant operating DCS
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Kim, Jong-Sung, Se-Hwan Lee, and Tae-Eun Jin. "Effect of Plasticity on Fatigue Life of Welded Nuclear Component With Local Brittle Zone." In ASME 2003 Pressure Vessels and Piping Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/pvp2003-2047.

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The local brittle zone (LBZ), which has lower tensile properties as well as lower fracture toughness than base metal and weldment, can occur on the heat affected zone (HAZ) of some nuclear components made of low alloy steels due to the carbide coarsening by multi-pass welding and post-weld heat treatment. These variations of material strengths across the welds due to the LBZ can produce strain concentrations when the stress amplitude is large enough to cause cyclic plastic flow. But, it is difficult to find the previous researches about a relation between the fatigue life of LBZ on real nuclea
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Matthews, Eric, and Mark Gray. "Application of Environmentally Assisted Fatigue Transient Ramp Times Optimization in Design Evaluations and Fatigue Monitoring Algorithms." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21545.

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Abstract As part of the effort for a nuclear plant to undergo license renewal, the effect of reactor water environment on fatigue life must be addressed for limiting component locations. One method to incorporate the effects of reactor water environment into the fatigue evaluations of metal components is to apply an environmental fatigue penalty factor (Fen) to the partial usage factor obtained from the design fatigue curve for each stress cycle. Fatigue evaluations have historically been performed by assuming that temperature transient loads occur at conservatively high rates to maximize the
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Malik, Arif, Xiaopeng Lai, and Kristina Langer. "Residual Stress and Wave Reflectivity When Laser Peening Thin Curved Sections." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62444.

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Laser Peening is an emerging technology that shows promise for extending the fatigue life of special-purpose metal components in the aerospace, automotive, medical, manufacturing, and other industries. While laser peening has been shown to extend the fatigue life of metal components such as turbine blades and other high value-added components, the technology is not yet understood well enough to deploy it cost-effectively, without extensive experimental testing, for widespread application in diverse industries. Because laser peening can adversely affect fatigue life if the process parameters ar
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Gilles, Ph, S. Courtin, R. Vincent, M. Yescas, and F. Gommez. "Methodology for Numerical Welding Simulation Validation: The Dissimilar Metal Weld Case." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97475.

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Welding processes induce residual stresses and distortion in the welded joint and the connected components. For manufacturing purpose distortion is the main issue and up to now the problem is handled by post weld corrective actions. Welding residual stress fields are not considered at the design stage in French codes and standards. However, it is well known that residual stresses are likely to increase the risks of fatigue or corrosion and may cause failure in brittle materials. Ferritic parts of large components are post-weld heat treated; allowing disregarding the influence of residuals stre
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Reports on the topic "Component metal fatigue"

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Slattery, Kevin. Unsettled Topics on Surface Finishing of Metallic Powder Bed Fusion Parts in the Mobility Industry. SAE International, 2021. http://dx.doi.org/10.4271/epr2021001.

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Laser and electron-beam powder bed fusion (PBF) additive manufacturing (AM) technology has transitioned from prototypes and tooling to production components in demanding fields such as medicine and aerospace. Some of these components have geometries that can only be made using AM. Initial applications either take advantage of the relatively high surface roughness of metal PBF parts, or they are in fatigue, corrosion, or flow environments where surface roughness does not impose performance penalties. To move to the next levels of performance, the surfaces of laser and electron-beam PBF componen
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