Journal articles on the topic 'Elevated temperatures'

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1

Dean, SW, S. Claeys, and S. Lievens. "Coolants at Elevated Temperatures." Journal of ASTM International 3, no. 10 (2006): 100325. http://dx.doi.org/10.1520/jai100325.

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2

Chaplin, D. J. "Chemosensitization at elevated temperatures." International Journal of Hyperthermia 11, no. 3 (January 1995): 451–52. http://dx.doi.org/10.3109/02656739509022480.

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3

Seright, R. S., and B. J. Henrici. "Xanthan Stability at Elevated Temperatures." SPE Reservoir Engineering 5, no. 01 (February 1, 1990): 52–60. http://dx.doi.org/10.2118/14946-pa.

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4

Dadachanji, F. "Humidity Measurement at Elevated Temperatures." Measurement and Control 25, no. 2 (March 1992): 48–50. http://dx.doi.org/10.1177/002029409202500207.

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5

Ardell, Alan J. "Microstructural stability at elevated temperatures." Journal of the European Ceramic Society 19, no. 13-14 (October 1999): 2217–31. http://dx.doi.org/10.1016/s0955-2219(99)00094-1.

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6

Xu, Lei, and Shufeng Zhang. "Magnetization dynamics at elevated temperatures." Physica E: Low-dimensional Systems and Nanostructures 45 (August 2012): 72–76. http://dx.doi.org/10.1016/j.physe.2012.07.010.

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7

C.W.C. "Hydrogen Permeability at Elevated Temperatures." Platinum Metals Review 31, no. 2 (April 1, 1987): 71. http://dx.doi.org/10.1595/003214087x3127171.

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8

Bark, L. S., and L. Kershaw. "Thermometric titrations at elevated temperatures." Journal of Thermal Analysis 37, no. 11-12 (November 1991): 2713–22. http://dx.doi.org/10.1007/bf01912815.

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9

Moore, Marianne V., Carol F. Folt, and Richard S. Stemberger. "Consequences of elevated temperatures for zooplankton assemblages in temperate lakes." Archiv für Hydrobiologie 135, no. 3 (January 22, 1996): 289–319. http://dx.doi.org/10.1127/archiv-hydrobiol/135/1996/289.

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10

Schilling, Frank R. "A transient technique to measure thermal diffusivity at elevated temperatures." European Journal of Mineralogy 11, no. 6 (November 29, 1999): 1115–24. http://dx.doi.org/10.1127/ejm/11/6/1115.

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11

Xiao, Robert Y., and Samson Ezekiel. "Constitutive Model for High Strength Concrete (HSC) at Elevated Temperatures." International Journal of Engineering and Technology 5, no. 5 (2013): 550–55. http://dx.doi.org/10.7763/ijet.2013.v5.616.

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12

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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13

Keränen, Lassi, Matti Kangaspuoskari, and Juhani Niskanen. "Ultrahigh-strength steels at elevated temperatures." Journal of Constructional Steel Research 183 (August 2021): 106739. http://dx.doi.org/10.1016/j.jcsr.2021.106739.

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14

Janßen, Rolf, R. Kauermann, and N. Claussen. "Forming of Ceramics at Elevated Temperatures." Materials Science Forum 304-306 (February 1999): 719–26. http://dx.doi.org/10.4028/www.scientific.net/msf.304-306.719.

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15

Ziebs, Josef, Jürgen Meersmann, Hans-Joachim Kühn, and Sigmar Ledworuski. "Multi-axial Loading at Elevated Temperatures." Materials Testing 37, no. 5 (May 1, 1995): 182–85. http://dx.doi.org/10.1515/mt-1995-370511.

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16

Venkateswara Rao, A., and M. Achyutha Kumar Reddy. "Performance of Concrete at Elevated Temperatures." IOP Conference Series: Earth and Environmental Science 796, no. 1 (June 1, 2021): 012038. http://dx.doi.org/10.1088/1755-1315/796/1/012038.

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17

Larrua Pardo, Yisel, Rafael Larrua Quevedo, and Valdir Pignatta Silva. "Channel connections resistance at elevated temperatures." DYNA 82, no. 193 (October 20, 2015): 137–44. http://dx.doi.org/10.15446/dyna.v82n193.47152.

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In this paper the thermal analysis of the push out test of steel – concrete channel connections at elevated temperatures is carried out. The study takes into account numeric results generated by the program SuperTempcalc for two alternatives: protected and unprotected beams. Temperatures are proposed to be considered in determining the reduction factors of resistance and the impact of these results in determining the strength of the connection is evaluated. Finally, a simplified method for calculating the resistance of the connection is proposed, which considers defined temperatures in the concrete by the thermal analysis and is consistent with the formulations for calculating the resistance of channel connections at room temperature and with the current formulation for stud connections at elevated temperatures provided by international codes.
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18

Kodur, Venkatesh. "Properties of Concrete at Elevated Temperatures." ISRN Civil Engineering 2014 (March 13, 2014): 1–15. http://dx.doi.org/10.1155/2014/468510.

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Fire response of concrete structural members is dependent on the thermal, mechanical, and deformation properties of concrete. These properties vary significantly with temperature and also depend on the composition and characteristics of concrete batch mix as well as heating rate and other environmental conditions. In this chapter, the key characteristics of concrete are outlined. The various properties that influence fire resistance performance, together with the role of these properties on fire resistance, are discussed. The variation of thermal, mechanical, deformation, and spalling properties with temperature for different types of concrete are presented.
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19

Pérez-Tomás, A., M. Placidi, N. Baron, S. Chenot, Y. Cordier, J. C. Moreno, A. Constant, P. Godignon, and J. Millán. "GaN transistor characteristics at elevated temperatures." Journal of Applied Physics 106, no. 7 (October 2009): 074519. http://dx.doi.org/10.1063/1.3240337.

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20

Nagels, B., P. Bakker, L. J. F. Hermans, and P. L. Chapovsky. "Nuclear spin conversion inCH3Fat elevated temperatures." Physical Review A 57, no. 6 (June 1, 1998): 4322–26. http://dx.doi.org/10.1103/physreva.57.4322.

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21

Mayergoyz, I., G. Bertotti, C. Serpico, Z. Liu, and A. Lee. "Random magnetization dynamics at elevated temperatures." Journal of Applied Physics 111, no. 7 (April 2012): 07D501. http://dx.doi.org/10.1063/1.3670510.

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22

Lentini, John J. "Behavior of Glass at Elevated Temperatures." Journal of Forensic Sciences 37, no. 5 (September 1, 1992): 13325J. http://dx.doi.org/10.1520/jfs13325j.

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23

Brnic, J., M. Canadija, G. Turkalj, D. Lanc, T. Pepelnjak, B. Barisic, G. Vukelic, and M. Brcic. "Tool Material Behavior at Elevated Temperatures." Materials and Manufacturing Processes 24, no. 7-8 (May 28, 2009): 758–62. http://dx.doi.org/10.1080/10426910902809800.

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24

Payne, Kevin A., Peter Nesvadba, Jon Debling, Michael F. Cunningham, and Robin A. Hutchinson. "Nitroxide-Mediated Polymerization at Elevated Temperatures." ACS Macro Letters 4, no. 3 (February 13, 2015): 280–83. http://dx.doi.org/10.1021/acsmacrolett.5b00054.

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25

Ellerby, M., T. E. Weller, S. S. Saxena, R. P. Smith, and N. T. Skipper. "Superconductivity at elevated temperatures in and." Physica B: Condensed Matter 378-380 (May 2006): 636–39. http://dx.doi.org/10.1016/j.physb.2006.01.183.

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26

Adebisi, Rasheed, and Josh Gladden. "Elastic constant measurements at elevated temperatures." Journal of the Acoustical Society of America 124, no. 4 (October 2008): 2513. http://dx.doi.org/10.1121/1.4782919.

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27

Rausch, J. L., M. Johnson, Y. Fei, J. Li, N. Shendarkar, H. M. Hobby, V. Ganapathy, and F. H. Leibach. "307. Depressed outpatients have elevated temperatures." Biological Psychiatry 47, no. 8 (April 2000): S93. http://dx.doi.org/10.1016/s0006-3223(00)00571-0.

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28

Bania, P. J. "An Advanced Alloy for Elevated Temperatures." JOM 40, no. 3 (March 1988): 20–22. http://dx.doi.org/10.1007/bf03258935.

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29

Akca, Abdullah Huzeyfe, and Nilüfer Özyurt Zihnioğlu. "High performance concrete under elevated temperatures." Construction and Building Materials 44 (July 2013): 317–28. http://dx.doi.org/10.1016/j.conbuildmat.2013.03.005.

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30

Isengard, Heinz-Dieter, and Kornelia Schmitt. "Karl Fischer titration at elevated temperatures." Mikrochimica Acta 120, no. 1-4 (March 1995): 329–37. http://dx.doi.org/10.1007/bf01244443.

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31

Ocalan, Murat, and Gareth H. McKinley. "High-flux magnetorheology at elevated temperatures." Rheologica Acta 52, no. 7 (June 8, 2013): 623–41. http://dx.doi.org/10.1007/s00397-013-0708-4.

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32

OHJI, Tatsuki, Seisuke SAKAI, Masaru ITO, Yukihiko YAMAUCHI, Wataru KANEMATSU, and Shoji ITO. "Yield of Si3N4 at Elevated Temperatures." Journal of the Ceramic Association, Japan 94, no. 1089 (1986): 536–37. http://dx.doi.org/10.2109/jcersj1950.94.1089_536.

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33

Strawbridge, Anna, D. R. Gabe, and A. J. Dowell. "Anodizing of aluminium at elevated temperatures." Transactions of the IMF 68, no. 2 (January 1990): 69–74. http://dx.doi.org/10.1080/00202967.1990.11870870.

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34

McVetty, P. G. "CREEP OF METALS AT ELEVATED TEMPERATURES." Journal of the American Society for Naval Engineers 43, no. 2 (March 18, 2009): 354–60. http://dx.doi.org/10.1111/j.1559-3584.1931.tb03761.x.

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35

Timans, P. J. "Emissivity of silicon at elevated temperatures." Journal of Applied Physics 74, no. 10 (November 15, 1993): 6353–64. http://dx.doi.org/10.1063/1.355159.

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36

Brady, Patrick V. "Silica surface chemistry at elevated temperatures." Geochimica et Cosmochimica Acta 56, no. 7 (July 1992): 2941–46. http://dx.doi.org/10.1016/0016-7037(92)90371-o.

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37

Gottschal, J. C., and R. A. Prins. "Thermophiles: A life at elevated temperatures." Trends in Ecology & Evolution 6, no. 5 (May 1991): 157–62. http://dx.doi.org/10.1016/0169-5347(91)90057-5.

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38

Neugebauer, R., T. Altan, M. Geiger, M. Kleiner, and A. Sterzing. "Sheet metal forming at elevated temperatures." CIRP Annals 55, no. 2 (2006): 793–816. http://dx.doi.org/10.1016/j.cirp.2006.10.008.

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39

Mishra, Rajiv S. "Dislocation-particle interaction at elevated temperatures." JOM 61, no. 2 (February 2009): 52–55. http://dx.doi.org/10.1007/s11837-009-0028-4.

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40

Fotadar, Upinder, Philip Zaveloff, and Louis Terracio. "Growth ofEscherichia coli at elevated temperatures." Journal of Basic Microbiology 45, no. 5 (October 2005): 403–4. http://dx.doi.org/10.1002/jobm.200410542.

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41

Arroyave, Raymundo, and Michael Gao. "Gas-Alloy Interactions at Elevated Temperatures." JOM 64, no. 12 (November 7, 2012): 1425. http://dx.doi.org/10.1007/s11837-012-0478-y.

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42

Karfakis, M. G. "Drilling mechanisms at elevated rock temperatures." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 22, no. 6 (December 1985): 407–17. http://dx.doi.org/10.1016/0148-9062(85)90005-1.

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43

Liu, Shuai. "Failure Temperatures of Unprotected Composite Cellular Beams at Elevated Temperatures." Applied Mechanics and Materials 638-640 (September 2014): 2006–9. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.2006.

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Failure temperatures of composite cellular beams subject to a standard fire condition were investigated thoroughly by the Finite Element Method. A finite element model was developed for the fire performance analysis of composite cellular beams. Practical design guidance on the fire design of composite cellular beams is presented concerning the failure temperature.
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44

Kim, Jaeeok, Seongdeog Kang, and Hyunsik Choi. "Failure temperatures of steel H-section columns under elevated temperatures." International Journal of Steel Structures 14, no. 4 (December 2014): 821–29. http://dx.doi.org/10.1007/s13296-014-1213-z.

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45

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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46

Martin, Chris A., Jean C. Stutz, Bruce A. Kimball, Sherwood B. Idso, and David H. Akey. "Growth and Topological Changes of Citrus limon (L.) Burm. f. `Eureka' in Response to High Temperatures and Elevated Atmospheric Carbon Dioxide." Journal of the American Society for Horticultural Science 120, no. 6 (November 1995): 1025–31. http://dx.doi.org/10.21273/jashs.120.6.1025.

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Growth and topological indices of `Eureka' lemon were measured after 6 months in well-watered and well-fertilized conditions and factorial combinations of moderate (29/21C day/night) or high (42/32C day/night) temperatures and ambient (350 to 380 μmol·mol) or elevated (constant 680 μmol·mol-1) CO2. In high temperatures, plants were smaller and had higher levels of leaf chlorophyll a than in moderate temperatures. Moreover, plants in high temperatures and elevated CO2 had about 15 % higher levels of leaf chlorophyll a than those in high temperatures and ambient CO2. In high temperatures, plant growth in elevated CO2 was about 87% more than in ambient CO2. Thus, high CO2 reduced the negative effect of high temperature on shoot growth. In moderate temperatures, plant growth in elevated CO2 was only about 21% more than in ambient CO2. Irrespective of temperature treatments, shoot branch architecture in elevated CO2 was more hierarchical than those in ambient CO2. Specific shoot extension, a topological measure of branch frequency, was not affected by elevated CO2 in moderate temperatures, but was increased by elevated CO2 enrichment in high temperatures-an indication of decreased branch frequency and increased apical dominance. In moderate temperatures, plants in elevated CO2 had fibrous root branch patterns that were less hierarchical than at ambient CO2. The lengths of exterior and interior fibrous roots between branch points and the length of second-degree adventitious lateral branches were increased >50% by high temperatures compared with moderate temperatures. Root length between branch points was not affected by CO2 levels.
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47

Andersson, P., and P. Van Hees. "Performance Of Cables Subjected To Elevated Temperatures." Fire Safety Science 8 (2005): 1121–32. http://dx.doi.org/10.3801/iafss.fss.8-1121.

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48

Flanagan, Joseph F., George A. Somkuti, Marvin P. Thompson, and V. H. Holsinger. "Preparation of Cheddar Cheese at Elevated Temperatures." Journal of Dairy Science 69, no. 7 (July 1986): 1753–61. http://dx.doi.org/10.3168/jds.s0022-0302(86)80597-5.

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49

SENDA, Tetsuya, Masahiko SARUTA, and Yasuo OCHI. "Tribology of Mullite Ceramics at Elevated Temperatures." Journal of the Ceramic Society of Japan 102, no. 1186 (1994): 556–61. http://dx.doi.org/10.2109/jcersj.102.556.

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50

Almohallami, Amer, Michael Rusch, Milan Vucetic, Anas Bouguecha, Markus Bambach, and Bernd Arno Behrens. "Joining by Upset Bulging at Elevated Temperatures." Advanced Materials Research 1140 (August 2016): 115–22. http://dx.doi.org/10.4028/www.scientific.net/amr.1140.115.

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Due to the limitations of other processes in joining different types of material, mechanical joining methods can be alternatively used. Joining by upset bulging can be employed for joining tubes with other structures such as sheets, plates, tubes or profiles as well as for joining different materials. In spite of successful industrial applications of this joining process, material damage is still a challenge. This damage affects the resistance of the created joint to service loads. Thus, in this paper, a local heating is studied, which aims at avoiding pre-damage or failure of the joint. A parametric FE model is developed to analyse the influence of local heating on the bulging process. It is found that the process window set by the bulge length suitable for joining is widened, but only to a minor extent. The marginal influence of local heating on the bulge geometry allows designing the process in the same way as room temperature processes. Metallographic investigations confirm the damage-free bulging of tubes by forming at elevated temperatures. Another important result is that tubes can be equipped with predefined bulge zones by local heating zones to 700 °C for 15 seconds for example. This enables bulging of tubes during joining by applying an axial load only, without using tools to define the location of the bulge or its length, thus enabling joining operations with limited access.
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