Relevant bibliographies by topics / Elevated temperature fatigue

Contents

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

Academic literature on the topic 'Elevated temperature fatigue'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Elevated temperature fatigue"

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Chan, K. S., and G. R. Leverant. "Elevated-temperature fatigue crack growth." Metallurgical and Materials Transactions A 18, no. 4 (April 1987): 593–602. http://dx.doi.org/10.1007/bf02649475.

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Iwamoto, T., Norio Kawagoishi, Nu Yan, Eiji Kondo, and Kazuhiro Morino. "Fatigue Strength of Maraging Steel at Elevated Temperatures." Key Engineering Materials 385-387 (July 2008): 161–64. http://dx.doi.org/10.4028/www.scientific.net/kem.385-387.161.

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Rotating bending fatigue tests were carried out to investigate the effects of temperature on the fatigue strength and the fracture mechanism of an 18 % Ni maraging steel at room and elevated temperatures of 473K and 673K. Fatigue strength was higher at elevated temperatures than at room temperature, though static strength was decreased by softening at elevated temperature. There was no effect of temperature on crack morphology and fracture mechanism. On the other hand, during fatigue process at elevated temperature, the specimen was age-hardened and the specimen surface was oxide. That is, the increase in fatigue strength at elevated temperature was mainly caused by the increase in hardness due to age-hardening and suppression of a crack initiation due to surface oxidation.
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Aigner, Roman, Christian Garb, Martin Leitner, Michael Stoschka, and Florian Grün. "Application of a √ area -Approach for Fatigue Assessment of Cast Aluminum Alloys at Elevated Temperature." Metals 8, no. 12 (December 6, 2018): 1033. http://dx.doi.org/10.3390/met8121033.

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This paper contributes to the effect of elevated temperature on the fatigue strength of common aluminum cast alloys EN AC-46200 and EN AC-45500. The examination covers both static as well as cyclic fatigue investigations to study the damage mechanism of the as-cast and post-heat-treated alloys. The investigated fracture surfaces suggest a change in crack origin at elevated temperature of 150 ∘ C. At room temperature, most fatigue tests reveal shrinkage-based micro pores as their crack initiation, whereas large slipping areas occur at elevated temperature. Finally, a modified a r e a -based fatigue strength model for elevated temperatures is proposed. The original a r e a model was developed by Murakami and uses the square root of the projected area of fatigue fracture-initiating defects to correlate with the fatigue strength at room temperature. The adopted concept reveals a proper fit for the fatigue assessment of cast Al-Si materials at elevated temperatures; in detail, the slope of the original model according to Murakami should be decreased at higher temperatures as the spatial extent of casting imperfections becomes less dominant at elevated temperatures. This goes along with the increased long crack threshold at higher operating temperature conditions.
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Yamamoto, S., K. Isobe, S. Ohte, N. Tanaka, S. Ozaki, and K. Kimura. "Fatigue and Creep-Fatigue Testing of Bellows at Elevated Temperature." Journal of Pressure Vessel Technology 110, no. 3 (August 1, 1988): 301–7. http://dx.doi.org/10.1115/1.3265603.

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Fatigue and creep-fatigue tests at elevated temperature were conducted on two different-sized bellows, φ 1100 mm and φ 300 mm in nominal inner diameter, to investigate the fatigue life and the creep-fatigue interaction in a bellows, and also to provide test data for developing a life prediction method and design-by-analysis rules for bellows in elevated temperature service. A series of tests consisted of strain behavior and fatigue tests at room temperature, and fatigue and creep-fatigue tests at elevated temperature. Also, inelastic finite element analyses were performed on a bellows under internal pressure and cyclic axial deflections. Analytical results were compared with the measured data obtained in the room temperature testing to verify the strain prediction method.
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KAWAGOISHI, Norio, Kenji SHIMANA, Yoshihisa OHZONO, Hironobu NISITANI, Masahiro GOTO, and Eiji KONDO. "Fatigue Strength of ODSC at Elevated Temperature." Proceedings of the 1992 Annual Meeting of JSME/MMD 2000 (2000): 425–26. http://dx.doi.org/10.1299/jsmezairiki.2000.0_425.

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GORDON, D. E., C. K. Unni, and N. S. STOLOFF. "ELEVATED TEMPERATURE FATIGUE IN Ni3Al-BASED ALLOYS." Fatigue & Fracture of Engineering Materials and Structures 17, no. 9 (September 1994): 1025–32. http://dx.doi.org/10.1111/j.1460-2695.1994.tb00831.x.

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Miyazawa, Yuta, Yuichi Otsuka, Yoshiharu Mutoh, and Kohsoku Nagata. "OS12-4-4 Fatigue Crack Growth Characteristics of Epoxy Resin Reinforced by Silica Particles at Ambient Temperature and Elevated Temperatures." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2011.10 (2011): _OS12–4–4—. http://dx.doi.org/10.1299/jsmeatem.2011.10._os12-4-4-.

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Hashimura, Shinji, Tetsuya Torii, and Takefumi Otsu. "Fatigue Characteristics of Nonferrous Bolts at Elevated Temperature." Key Engineering Materials 627 (September 2014): 265–68. http://dx.doi.org/10.4028/www.scientific.net/kem.627.265.

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In order to investigate fatigue characteristics of nonferrous bolts at elevated temperature, fatigue tests of bolted joints which were tightened with three kinds of nonferrous bolts were been conducted at 100°C atmosphere. The test bolts were made of A5056 aluminum alloy and AZ31 and AZX912 magnesium alloy. Creep tests of the bolts at 100°C atmosphere were also conducted. The results showed that the fatigue limit of A5056 bolt was the highest of all regardless of the ambient temperature. The fatigue limits of AZ31 bolt and AZX912 bolt also were a half of the fatigue limit of A5056 bolt at both ambient temperature. Bolt clamping force losses due to creep deformation were observed for all bolts during fatigue tests at elevated temperature. Hence as additional tests, the creep tests which was controlled either the tensile force or the displacements respectively were conducted. As the results it was seen that the clamping force losses for all bolts were remarkably large although the each creep deformation was different for each bolt material. Therefore the results indicates that we have to pay attention to the clamping force reduction due to creep deformation if we use the nonferrous bolt in high temperature.
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Akita, Masayuki, Masaki Nakajima, Yoshihiko Uematsu, and Keiro Tokaji. "Fatigue Behaviour of Type 444 Stainless Steel at Elevated Temperatures." Key Engineering Materials 345-346 (August 2007): 263–66. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.263.

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This paper describes the fatigue behaviour at elevated temperatures in a ferritic stainless steel, type 444. Test temperatures evaluated were ambient temperature, 673K and 773K in laboratory air. Fatigue strength decreased at elevated temperatures compared with at ambient temperature. At all temperatures, cracks were generated at the specimen surface due to cyclic slip deformation, but fractographic analysis revealed a brittle features in fracture surface near the crack initiation site at elevated temperatures. Cracks initiated earlier at elevated temperatures than at ambient temperature and subsequent small cracks grew faster at elevated temperatures even though the difference in elastic modulus was taken into account, indicating the decrease in crack initiation resistance and crack growth resistance. The observed decrease in both resistances was discussed in relation to the 748K(475C) embrittlement in ferritic stainless steels.
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Elizondo, Adrian, Yukio Miyashita, Yuichi Otsuka, and Shigeharu Kamado. "819 Fatigue crack growth mechanism of extruded Mg-Al-Ca-Mn alloy at elevated temperature." Proceedings of Conference of Hokuriku-Shinetsu Branch 2014.51 (2014): _819–1_—_819–2_. http://dx.doi.org/10.1299/jsmehs.2014.51._819-1_.

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Dissertations / Theses on the topic "Elevated temperature fatigue"

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Barrow, A. T. W. "Strong, tough and fatigue-resistant steel for elevated temperature applications." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.596428.

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The work described in this thesis details the design and characteristics of low-Ni maraging steels suitable for use at elevated temperatures. In addition to having a stable microstructure, they require strength, ductility, fatigue- and creep-resistance with low impurity levels suitable for use in aeroengine shafts. Two chemical compositions have been designed based on thermodynamic calculations which independently investigate the suitability of the matrix and the strengthening phases for use at elevated temperatures. It is believed that substituting Ni with Cr will increase the austenite-start temperature, thus retarding the formation of austenite during manufacture and simulated service at 450°C. Avoiding the formation austenite concomitantly with precipitate coarsening is important when designing a suitable shaft material. The designed alloys have exhibited an excellent combination of strength and ductility in the hardened condition achieved through a non-scale distribution of Ni-rich particles. These particles resist growth at 450°C while largely maintaining the mechanical properties. The austenite observed in one alloy transformed to martensite at room temperature during plastic deformation increasing the elongation. However, the increased thermodynamic stability of austenite at 450°C does not permit the martensitic transformation, thus it must be avoided in shaft alloys. The alloy which resisted the formation of austenite displayed excellent fatigue- and creep-resistance in the hardened condition. These properties are attributed to the size and dispersion of the strengthening phases and the level of inclusions within the microstructures. Neither of the designed alloys meets all the mechanical property requirements of the shaft. However, by combining the desirable features of both alloys it is believed that these properties can be achieved though a low-Ni maraging steel.
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Antolovich, Bruce F. "Fatigue crack propagation in single crystal CMSX-2 at elevated temperature." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/14880.

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Hodkinson, Victoria. "The effect of waveshape on fatigue crack growth in nickel superalloys at elevated temperature." Thesis, University of Portsmouth, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310379.

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Cláudio, Ricardo António Lamberto Duarte. "Fatigue behaviour and structural integrity of scratch damaged shot peened surfaces at elevated temperature." Thesis, University of Portsmouth, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.429780.

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Elahi, Mehran. "Fatigue behavior of ceramic matrix composites at elevated temperatures under cyclic loading." Diss., This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-06062008-154429/.

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Webb, Graham. "Cyclic deformation, damage, and effects of environment in the Ni₃Al ordered alloy at elevated temperature." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/19981.

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Findley, Kip Owen. "Physically-based models for elevated temperature low cycle fatigue crack initiation and growth in Rene." Diss., Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-04292005-092902/.

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Thesis (Ph. D.)--Materials Science and Engineering, Georgia Institute of Technology, 2006.
McDowell, David, Committee Member ; Gokhale, Arun, Committee Member ; Saxena, Ashok, Committee Chair ; Johnson, Steven, Committee Member ; Sanders, Thomas, Committee Member.
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Jones, Bradley Valiant. "Temperature and Stress Effect Modeling in Fatigue of H13 Tool Steel at Elevated Temperatures with Applications in Friction Stir Welding." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/4442.

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Tooling reliability is critical to welding success in friction stir welding, but tooling fatigue is not well understood because it occurs in conditions that are often unique to friction stir welding. A fatigue study was conducted on a commonly used tooling material, H13 tool steel, using constant stress loading at temperatures between 300°C and 600°C, and the results are presented. A model is proposed accounting for temperature and stress effects on fatigue life, utilizing a two-region Arrhenius temperature model. A transition in temperature effect on fatigue life is identified. Implications of the temperature effect for friction stir welding suggest that tooling fatigue life dramatically decreases above 500°C and accelerated testing should be conducted below 500°C.
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Herman, David M. "Fatigue Crack Growth and Toughness of Niobium Silicide Composites." Case Western Reserve University School of Graduate Studies / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1228932584.

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Brenneman, James W. "An Experimental Study on the Scuffing Performance of High-Power Spur Gears at Elevated Oil Temperatures." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374759993.

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Books on the topic "Elevated temperature fatigue"

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Orange, Thomas W. Elevated temperature crack propogation. [Washington, DC: National Aeronautics and Space Administration, 1993.

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Orange, Thomas W. Elevated temperature crack propagation. [Washington, DC: National Aeronautics and Space Administration, 1993.

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Healy, Joseph Cornelius. Short fatigue crack growth at elevated temperature. Birmingham: Universityof Birmingham, 1989.

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Piascik, RS, RP Gangloff, and A. Saxena, eds. Elevated Temperature Effects on Fatigue and Fracture. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 1997. http://dx.doi.org/10.1520/stp1297-eb.

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Leeuwen, H. P. van. Automated measurement of crack length and load line displacement at elevated temperature. Neuilly sur Seine, France: AGARD, 1988.

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Hodkinson, Victoria. The effect of waveshape on fatigue crack growth in nickel superalloys at elevated temperature. Portsmouth: University of Portsmouth, Dept. of Mechanical and Manufacturing Engineering, 1997.

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Antunes, Fernando Jorge Ventura. Influence of frequency, stress ratio and stress state on fatigue crack growth in nickel base superalloys at elevated temperature. Portsmouth: University of Portsmouth, Dept. of Mechanical and Manufacturing Engineering, 1999.

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C, Becht, American Society of Mechanical Engineers., and Nihon Kikai Gakkai, eds. Structural design for elevated temperature environments -- creep, ratchet, fatigue, and fracture: Presented at the 1989 ASME Pressure Vessels and Piping Conference, JSME co-sponsorship, Honolulu, Hawaii, July 23-27, 1989. New York, N.Y. (345 E. 47th St., New York 10017): American Society of Mechanical Engineers, 1989.

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Montesano, John. Fatigue of polymer matrix composites at elevated temperatures. New York: Nova Science Publishers, 2011.

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Montesano, John, and John Montesano. Fatigue of polymer matrix composites at elevated temperatures. New York: Nova Science Publishers, 2011.

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Book chapters on the topic "Elevated temperature fatigue"

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Pineau, A. "Elevated Temperature Life Prediction Methods." In Advances in Fatigue Science and Technology, 313–38. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2277-8_13.

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Lauf, S., and R. F. Pabst. "Fatigue Behaviour of SiSiC Composite Structures at Elevated Temperature." In Brittle Matrix Composites 1, 151–67. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4319-3_9.

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Masuda, M., T. Makino, Y. Nakasuji, and M. Matsui. "Fatigue Behavior of Non-Oxide Ceramics at Elevated Temperature." In Fracture Mechanics of Ceramics, 481–91. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3350-4_32.

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McEvily, A. J., K. Minakawa, and H. Nakamura. "Fatigue Crack Growth at Elevated Temperature in Ferritic Steels." In Advanced Materials for Severe Service Applications, 291–301. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3445-0_19.

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Choe, H., D. Chen, J. H. Schneibel, and R. O. Ritchie. "Fracture and Fatigue-Crack Growth Behavior in Mo-12Si-8.5B Intermetallics at Ambient and Elevated Temperatures." In Fatigue and Fracture Behavior of High Temperature Materials, 16–24. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118787823.ch3.

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Branco, C. Moura, J. Byrne, and V. Hodkinson. "Elevated Temperature Fatigue Crack Growth of Nickel Base Superalloys; A Review and Modelling." In Mechanical Behaviour of Materials at High Temperature, 93–134. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1714-9_6.

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Claudio, R. A., C. M. Branco, and J. Byrne. "Fatigue Behaviour of Scratch Damaged Shot Peened Specimens at Elevated Temperature." In Experimental Analysis of Nano and Engineering Materials and Structures, 229–30. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6239-1_113.

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Zhang, Xiaohua, and Daoxin Liu. "Investigation of Fretting Fatigue Behavior of Ti811 Alloy at Elevated Temperature." In Advanced Tribology, 264–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03653-8_83.

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Usami, S., I. Takahashi, H. Kimoto, T. Machida, and H. Miyata. "Fracture and Elevated-temperature Static-fatigue of Ceramics Containing Small Flaws." In Advanced Materials for Severe Service Applications, 119–33. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3445-0_8.

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Sakane, M., M. Ohnami, N. Shirahuji, and K. Shimomizuki. "Multiaxial Low Cycle Fatigue of Mar-M247LC DS Superalloy at Elevated Temperature." In Low Cycle Fatigue and Elasto-Plastic Behaviour of Materials—3, 337–42. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2860-5_55.

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Conference papers on the topic "Elevated temperature fatigue"

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Becht, Charles. "Elevated Temperature Shakedown Concepts." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-78067.

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This paper is the first part of a two part paper. It describes concepts of shakedown at elevated temperatures that form the foundation for proposed rules described in the second paper for extension of fatigue design rules in Section VIII, Div 2 slightly into the creep range.
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Gean, Matthew, Nathan Tate, and Thomas Farris. "Fretting Fatigue of Nickel Based Superalloys at Elevated Temperature." In 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-2626.

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Ku, Duck young, Yi-Hyun Park, Mu-Young Ahn, In-Keun Yu, Seungyon Cho, Seungjin Oh, and Won-Doo Choi. "Low Cycle Fatigue properties at elevated temperature on TIG." In 2011 IEEE 24th Symposium on Fusion Engineering (SOFE). IEEE, 2011. http://dx.doi.org/10.1109/sofe.2011.6052280.

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Sonoya, K., and Y. Tomisawa. "Fatigue Strength of Ceramic-Coated Steel at Elevated Temperature." In ITSC 1996, edited by C. C. Berndt. ASM International, 1996. http://dx.doi.org/10.31399/asm.cp.itsc1996p0819.

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Abstract Low cycle fatigue tests were performed at room temperature (RT) and at 673 K for l%Cr-0.5%Mo steel comparing the specimens coated with chromium carbide by gas spraying and the ordinary uncoated specimens, and the mechanism of fatigue crack formation was investigated. Following observations and conclusions were made: (1) When sprayed with ceramic, the fatigue life suffers reduction at either temperature, but at 673 K, the degradation was so much smaller than that at RT that the fatigue life was actually, though slightly, longer than that at RT. (2) The cracks are initiated in the ceramic layer very early in the whole fatigue life, the crack initiation lifetime becoming the longer, the smaller the strain range. (3) The fatigue failure process can be viewed as comprising following steps: first, early initiation of fatigue crack at the surface of the ceramic coating, rapid propagation through it to the substrate metal, and initiation of crack in the metal, the initial rate of propagation of such a crack being a number of times (perhaps as much as one full order of magnitude) faster than that in uncoated steel.
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Goblish, Adam, Fereidoon Delfanian, John Feldhacker, and Zhong Hu. "Elevated Temperature Fatigue Prediction Model for AISI 4340 Gun Steel." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66999.

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Cannon barrel life can be maximized by fully understanding the correlation between temperature and hoop stress and their relation to crack growth. Use of elevated temperature fatigue to predict failure of a gun barrel based on the number and type of rounds along with temperature data will both maximize the usable life of a cannon barrel and maintain a safe operating environment the men and women using these cannons. This analysis will help increase the usable life of large caliber cannon barrels; round data that is collected throughout the life of a cannon barrel will be used to determine the proper time to decommission the barrel. Experimental data was collected utilizing an MTS 858 fatigue system applying low cycle fatigue analysis. Numerous operating temperatures and stresses were calculated from various cannon round types and used to determine test parameters. From this data, a correlation was generated between stress and temperature to predict life expectancy of the test specimens. Several specimens were then cycled for various temperature and pressure combinations, thereby verifying the accuracy of the prediction model. Data was collected using methods set forth in ASTM E466-07 which dictates the standard practice for force-controlled fatigue testing. Data was analyzed using Minitab for development of the life cycle prediction model. Since the accuracy of the model dictates its reliability, this was used to provide a safety cushion to ensure that failure does not occur prior to the expected time.
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Wei, Xin, Minghong Jian, Mohamed El Amine Belhadi, Sa'D Hamasha, Jeff Suhling, and Pradeep Lall. "Fatigue Performance of Ball Grid Array Components at Elevated Temperature." In 2021 20th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (iTherm). IEEE, 2021. http://dx.doi.org/10.1109/itherm51669.2021.9503257.

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Barrett, Paul R., Raasheduddin Ahmed, and Tasnim Hassan. "Constitutive Modeling of Haynes 230 for High Temperature Fatigue-Creep Interactions." In ASME 2014 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/etam2014-1033.

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Non-linear stress analysis for high temperature cyclic viscoplasticity is increasingly becoming an important modeling framework for many industries. Simplified analyses are found to be insufficient in accurately predicting the life of components; such as a gas turbine engine of an airplane or the intermediate-heat exchanger of a nuclear power plant. As a result, advanced material models for simulating nonlinear responses at room to high temperature are developed and experimentally validated against a broad set of low-cycle fatigue responses; such as creep, fatigue, and their interactions under uniaxial stress states. . This study will evaluate a unified viscoplastic model based on nonlinear kinematic hardening (Chaboche type) with several added features of strain-range-dependence, rate-dependence, temperature-dependence, static recovery, and mean-stress-evolution for Haynes 230database. Simulation-based model development for isothermal creep-fatigue responses are all critically evaluated for the developed model. The robustness of the constitutive model is demonstrated and weaknesses of the model to accurately predict low-cycle fatigue responses are identified. Paper published with permission.
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Radke, Edward F., David T. Wasyluk, David J. Dewees, and James M. Tanzosh. "Creep-Fatigue Design Applied to Molten Salt Solar Receivers." In ASME 2014 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/etam2014-1032.

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The development of solar energy for commercial power generation has been an active area of work for several decades. A limiting design consideration for solar receivers is creep-fatigue because of the high heat fluxes involved and the inherent cyclic nature of solar energy. Design activities and concerns are presented for a recent commercial molten salt receiver application. A critical review of available creep-fatigue data and methods is provided and supplemented with detailed inelastic analysis. Recommendations are made for both design and further material property development that would help to remove conservatism and increase reliability. Paper published with permission.
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Kinoshita, Keisuke, and Osamu Watanabe. "Fatigue Test for Two-Holes Diagonally-Placed Plate at Elevated Temperature." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78200.

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The objective of the present study is to evaluate fatigue strength of a perforated plate at an elevated temperature of 550°C under displacement-controlled loading. Specimens having two circular holes have stress concentrations near the hole sides. The two holes in the specimen made of SUS304 stainless steel are placed at an angle of 30°, 60° and 90° measured from the loading direction. Stress concentration factors of these specimens, having the complicated stress pattern distribution, were estimated by the finite element method (FEM). Based on the stress concentration factor, the inelastic strain was estimated by the simplified equation of the Stress Redistribution Locus (SRL) method, and the estimated strain was compared to the experimental Best Fit Fatigue (BFF) curve. Crack initiation cycles were determined from graph showing the crack propagation process, which were measured by a CCD camera at a regular interval cycle. Crack initiation cycles were smaller than failure cycles of 75% load decreasing point. By using these inelastic local strain and crack initiation cycles, the experimented results were predicted well by the present complicated structures.
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Antolovich, B. F., A. Saxena, and S. D. Antolovich. "Fatigue Crack Propagation in Single Crystal CMSX-2 at Elevated Temperature." In Superalloys. TMS, 1992. http://dx.doi.org/10.7449/1992/superalloys_1992_727_736.

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Reports on the topic "Elevated temperature fatigue"

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Lin, H. T., P. F. Becher, and P. F. Tortorelli. Elevated temperature static fatigue of a Nicalon fiber-reinforced SiC composite. Office of Scientific and Technical Information (OSTI), December 1994. http://dx.doi.org/10.2172/34427.

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Yuan, Rong. Ambient and elevated temperature fracture and cyclic-fatigue properties in a series of Al-containing silicon carbides. Office of Scientific and Technical Information (OSTI), January 2004. http://dx.doi.org/10.2172/834276.

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Stuffle, Kevin, Raymond A. Cutler, Dinesh K. Shetty, and Anil V. Virkar. Development of a Microcircuit Grid Technique for Automated Crack Length Measurement for Fatigue Testing at Elevated Temperature. Fort Belvoir, VA: Defense Technical Information Center, May 1988. http://dx.doi.org/10.21236/ada198003.

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Jha, S. K., R. John, and J. M. Larsen. Nominal Versus Local Shot-Peening Effects on Fatigue Lifetime in Ti-6Al-2Sn-4Zr-6Mo at Elevated Temperature (Preprint). Fort Belvoir, VA: Defense Technical Information Center, September 2008. http://dx.doi.org/10.21236/ada488538.

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Chasiotis, Ioannis. Fatigue and Fracture of Polycrystalline Silicon and Diamond MEMS at Room and Elevated Temperatures. Fort Belvoir, VA: Defense Technical Information Center, December 2006. http://dx.doi.org/10.21236/ada464542.

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Ruggles, M. B., and T. Ogata. Creep-fatigue criteria and inelastic behavior of modified 9Cr-1Mo steel at elevated temperatures. Final report. Office of Scientific and Technical Information (OSTI), February 1994. http://dx.doi.org/10.2172/10131895.

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Morrissey, R. J., and R. John. High Cycle Fatigue Properties of Haynes 230 (registered trademark) Before and After Exposure to Elevated Temperatures (Preprint). Fort Belvoir, VA: Defense Technical Information Center, October 2011. http://dx.doi.org/10.21236/ada553259.

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Liu, K. C., C. O. Stevens, and C. R. Brinkman. Tensile and cyclic fatigue behavior of SiC whisker-reinforced Al{sub 2}O{sub 3} at room and elevated temperatures. Office of Scientific and Technical Information (OSTI), June 1996. http://dx.doi.org/10.2172/244609.

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