Relevant bibliographies by topics / Structural-phase transformations

Academic literature on the topic 'Structural-phase transformations'

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Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Structural-phase transformations"

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Aftandiliants, Ye G. "Modelling of phase transformations in structural steels." Naukovij žurnal «Tehnìka ta energetika» 11, no. 2 (July 5, 2020): 15–20. http://dx.doi.org/10.31548/machenergy2020.02.015.

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Tkachuk, O., Ya Matychak, I. Pohrelyuk, and V. Fedirko. "Diffusion of Nitrogen and Phase—Structural Transformations in Titanium." METALLOFIZIKA I NOVEISHIE TEKHNOLOGII 36, no. 8 (September 6, 2016): 1079–89. http://dx.doi.org/10.15407/mfint.36.08.1079.

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Froyen, Sverre, Su-Huai Wei, and Alex Zunger. "Epitaxy-induced structural phase transformations." Physical Review B 38, no. 14 (November 15, 1988): 10124–27. http://dx.doi.org/10.1103/physrevb.38.10124.

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Green, M. A., M. Kurmoo, P. Day, and K. Kikuchi. "Structural phase transformations in C70." Journal of the Chemical Society, Chemical Communications, no. 22 (1992): 1676. http://dx.doi.org/10.1039/c39920001676.

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Semenova, O. L., J. C. Tedenac, and O. S. Fomichev. "Structural Phase Transformations in Zr50Co25Ni25 Alloy." Powder Metallurgy and Metal Ceramics 55, no. 5-6 (September 2016): 339–46. http://dx.doi.org/10.1007/s11106-016-9811-2.

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Schröter, M., E. Hoffmann, M. S. Yang, P. Entel, H. Akai, and A. Altrogge. "Binding Surfaces and Structural Phase Transformations." Le Journal de Physique IV 05, no. C8 (December 1995): C8–273—C8–278. http://dx.doi.org/10.1051/jp4:1995838.

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Wilde, Gerhard. "Structural Phase Transformations in Nanoscale Systems." Advanced Engineering Materials 23, no. 5 (February 8, 2021): 2001387. http://dx.doi.org/10.1002/adem.202001387.

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Gao, Yipeng, Rongpei Shi, Jian-Feng Nie, Suliman A. Dregia, and Yunzhi Wang. "Group theory description of transformation pathway degeneracy in structural phase transformations." Acta Materialia 109 (May 2016): 353–63. http://dx.doi.org/10.1016/j.actamat.2016.01.027.

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Hudak, Bethany M., Sean W. Depner, Gregory R. Waetzig, Sarbajit Banerjee, and Beth S. Guiton. "Direct Observation of Hafnia Structural Phase Transformations." Microscopy and Microanalysis 23, S1 (July 2017): 2092–93. http://dx.doi.org/10.1017/s1431927617011126.

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Axe, J. D., A. H. Moudden, D. Hohlwein, D. E. Cox, K. M. Mohanty, A. R. Moodenbaugh, and Youwen Xu. "Structural phase transformations and superconductivity inLa2−xBaxCuO4." Physical Review Letters 62, no. 23 (June 5, 1989): 2751–54. http://dx.doi.org/10.1103/physrevlett.62.2751.

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Dissertations / Theses on the topic "Structural-phase transformations"

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Cao, Hu. "Phase transformations in highly electrostrictive and magnetostrictive crystals: structural heterogeneity and history dependent phase stability." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/28549.

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Ferroelectric and ferromagnetic materials have been extensively studied for potential applications in sensors, actuators and transducers. Highly electrostrictive (1-x)Pb(Mg1/3Nb2/3)-xPbTiO₃ (PMN-xPT) and highly magnetostrictive Fe-xat.%Ga are two such novel materials. Both materials systems have chemical disorders and structural inhomogeneity on a microscale, giving rise to an interesting diversity of crystal structures and novel macroscopic physical properties, which are dependent on thermal and electrical histories of the crystals. In this thesis, I have to investigated phase transformations in these two systems under thermal and field (electric/magnetic) histories, using x-ray and neutron scattering techniques. In PMN-xPT crystals, x-ray and neutron diffractions were performed along the different crystallographic orientations and for different thermal and electrical histories. Various intermediate monoclinic (M) phases that structurally “bridge” the rhombohedral (R) and tetragonal (T) ones across a morphtropic phase boundary (MPB) have been observed. Systematic investigations of (001) and (110) electric (E) field-temperature phase diagrams of PMN-xPT crystals have demonstrated that the phase stability of PMN-xPT crystals is quite fragile: depending not only on modest changes in E (≤ 0.5kV/cm), but also on the direction along which E is applied. Structurally bridging monoclinic Mc or orthorhombic (O) phases were found to be associated with the T phase, whereas the monoclinic Ma or Mb phases bridged the Cubic (C) and R ones. In addition, neutron inelastic scattering was performed on PMN-0.32PT to study the dynamic origin of the MPB. Data were obtained between 100 and 600 K under various E applied along the cubic [001] direction. The lowest frequency zone-center, transverse optic phonon was strongly damped and softened over a wide temperature range, but started to recover on cooling into the T phase at the Curie temperature (TC). Comparisons of my findings with prior ones for PMN and PMN-0.60PT suggest that the temperature dependence and energy scales of the soft mode dynamics in PMN-xPT are independent of PT concentration below the MPB, and that the MPB may be defined in composition space x when TC matches the temperature at which the soft mode frequency begins to recover. High-resolution x-ray studies then showed that the C–T phase boundary shifted to higher temperatures under E by an expected amount within the MPB region: suggesting an unusual instability within the apparently cubic phase at the MPB. In Fe-xat.%Ga alloys, the addition of Ga atoms into the b.c.c. α-Fe phase also results in diversity of crystal structures and structural inhomogeneity, which are likely the source of its unusual magneto-elastic properties. I have carefully investigated decomposition of Fe-xat.%Ga alloys subjected to different thermal treatments by x-ray and neutron diffraction for 12 < x < 25. Quenching was found to suppress the formation of a DO₃ structure in favor of a high-temperature disordered bcc (A2) one. By contrast, annealing produced a two-phase mixture of A2 + DO₃ for 14 < x < 20 and a fully DO₃ phase for x = 25. A splitting of the (2 0 0) and (0 0 2) Bragg peaks observed along the respective transverse directions indicated that Fe-xat.%Ga –crystals' are composed of several crystal grain orientations (or texture structures), which are slightly tilted with respect to each other. In order to investigate the local structural distortions and heterogeneities, neutron diffuse scattering was performed on Fe-x%Ga alloys for different thermal conditions. Diffuse scattering around a (100) superlattice reflection was found for 14 < x < 22 in the furnace-cooled condition, indicative of short-range ordered DO₃ nanoprecipitates in an A2 matrix. This diffuse intensity had an asymmetric radial contour and an off-centering. Analysis (x=19) revealed two broad peaks with c/a–1.2: indicating that the DO₃-like nanoprecipitates are not cubic, but rather of lower symmetry with a large elastic strain. The strongest diffuse scattering was observed for x=19, which correspondingly had maximum magnetostriction: indicating a structural origin for enhanced magnetostriction.
Ph. D.
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Chapman, Brandon D. "The role of disorder in structural phase transitions in perovskite ferroelectrics /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/9692.

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Banerjee, Rajarshi. "Structural and phase transformations in sputter deposited titanium-aluminum multilayered and alloy thin films /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu148794790840253.

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Matychak, Yaroslav, Viktor Fedirko, Iryna Pohrelyuk, and Oleh Tkachuk. "Modeling of diffusion saturation of titanium by nitrogen taking into consideration structural and phase transformations." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-190082.

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Matychak, Yaroslav, Viktor Fedirko, Iryna Pohrelyuk, and Oleh Tkachuk. "Modeling of diffusion saturation of titanium by nitrogen taking into consideration structural and phase transformations." Diffusion fundamentals 11 (2009) 48, S. 1-2, 2009. https://ul.qucosa.de/id/qucosa%3A14011.

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Sun, Xinxing. "Phase Transformations and Switching of Chalcogenide Phase-change Material Films Prepared by Pulsed Laser Deposition." Doctoral thesis, Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-224762.

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The thesis deals with the preparation, characterization and, in particular, with the switching properties of phase-change material (PCM) thin films. The films were deposited using the Pulsed Laser Deposition (PLD) technique. Phase transformations in these films were triggered by means of thermal annealing, laser pulses, and electrical pulses. The five major physical aspects structure transformation, crystallization kinetics, topography, optical properties, and electrical properties have been investigated using XRD, TEM, SEM, AFM, DSC, UV-Vis spectroscopy, a custom-made nanosecond UV laser pump-probe system, in situ resistance measurements, and conductive-AFM. The systematic investigation of the ex situ thermally induced crystallization process of pure stoichiometric GeTe films and O-incorporating GeTe films provides detailed information on structure transformation, topography, crystallization kinetics, optical reflectivity and electrical resistivity. The results reveal a significant improvement of the thermal stability in PCM application for data storage. With the aim of reducing the switching energy consumption and to enhance the optical reflectivity contrast by improving the quality of the produced films, the growth of the GeTe films with simultaneous in situ thermal treatment was investigated with respect to optimizing the film growth conditions, e.g. growth temperature, substrate type. For the investigation of the fast phase transformation process, GeTe films were irradiated by ns UV laser pulses, tailoring various parameters such as pulse number, laser fluence, pulse repetition rate, and film thickness. Additionally, the investigation focused on the comparison of crystallization of GST thin films induced by either nano- or femtosecond single laser pulse irradiation, used to attain a high data transfer rate and to improve the understanding of the mechanisms of fast phase transformation. Non-volatile optical multilevel switching in GeTe phase-change films was identified to be feasible and accurately controllable at a timescale of nanoseconds, which is promising for high speed and high storage density of optical memory devices. Moreover, correlating the dynamics of the optical switching process and the structural information demonstrated not only exactly how fast phase change processes take place, but also, importantly, allowed the determination of the rapid kinetics of phase transformation on the microscopic scale. In the next step, a new general concept for the combination of PCRAM and ReRAM was developed. Bipolar electrical switching of PCM memory cells at the nanoscale can be achieved and improvements of the performance in terms of RESET/SET operation voltage, On/Off resistance ratio and cycling endurance are demonstrated. The original underlying mechanism was verified by the Poole-Frenkel conduction model. The polarity-dependent resistance switching processes can be visualized simultaneously by topography and current images. The local microstructure on the nanoscale of such memory cells and the corresponding local chemical composition were correlated. The gained results contribute to meeting the key challenges of the current understanding and of the development of PCMs for data storage applications, covering thin film preparation, thermal stability, signal-to-noise ratio, switching energy, data transfer rate, storage density, and scalability.
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ROCHA, RENATA A. "Preparação e caracterização de compostos com matriz de LAMOX." reponame:Repositório Institucional do IPEN, 2005. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11292.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
FAPESP:01/12269-7
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Sikorski, Pawel Tadeusz. "Crystallisation and structural studies of monodisperse nylon oligomers and related polymers." Thesis, University of Bristol, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391096.

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Leng, Siwei. "From Crystal to Columnar Discotic Liquid Crystal Phases: Phase Structural Characterization of Series of Novel Phenazines Potentially Useful in Organic Electronics." Akron, OH : University of Akron, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1247614330.

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Dissertation (Ph. D.)--University of Akron, Dept. of Polymer Science, 2009.
"August, 2009." Title from electronic dissertation title page (viewed 9/23/2009) Advisor, Stephen Z. D. Cheng; Committee members, Alexei P. Sokolov, Gustavo A. Carri, Darrell H. Reneker, Weiping Zheng; Department Chair, Ali Dhinojwala; Dean of the College, Stephen Z. D. Cheng; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.
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Sapelkin, Andrei V. "Structure of and phase transformations in bulk amorphous (GaSb)←1←-←x(Ge←2)←x." Thesis, De Montfort University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391341.

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Books on the topic "Structural-phase transformations"

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1945-, Sigov A. S., ed. Defects and structural phase transitions. New York: Gordon and Breach Science Publishers, 1988.

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The physics of structural phase transitions. New York: Springer, 1997.

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Nasu, Keiichiro. Relaxations of Excited States and Photo-Induced Structural Phase Transitions: Proceedings of the 19th Taniguchi Symposium, Kashikojima, Japan, July 18-23, 1996. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997.

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Tolédano, Jean-Claude. The Landau theory of phase transitions: Application to structural, incommensurate, magnetic, and liquid crystal systems. Singapore: World Scientific, 1987.

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Khachaturi︠a︡n, A. G. Theory of structural transformations in solids. Mineola, N.Y: Dover Publications, 2008.

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Khachaturi︠a︡n, A. G. Theory of structural transformations in solids. Mineola, N.Y: Dover Publications, 2008.

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1937-, Rao M. A., and Hartel Richard W. 1951-, eds. Phase/state transitions in foods: Chemical, structural, and rheological changes. New York: M. Dekker, 1998.

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Fujimoto, Minoru. The Physics of Structural Phase Transitions. Springer, 2004.

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The Physics of Structural Phase Transitions. Springer, 2004.

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Fujimoto, Minoru. The Physics of Structural Phase Transitions. Springer, 2004.

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Book chapters on the topic "Structural-phase transformations"

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Axe, J. D., H. You, D. Hohlwein, D. E. Cox, S. C. Moss, K. Forster, P. Hor, R. L. Meng, and C. W. Chu. "Structural Phase Transformations and High-Tc Superconductivity." In Novel Superconductivity, 748–50. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1937-5_87.

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Tendeloo, G., D. Schryvers, L. E. Tanner, D. Broddin, C. Ricolleau, and A. Loiseau. "Structural Phase Transformations in Alloys: An Electron Microscopy Study." In Structural and Phase Stability of Alloys, 219–29. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3382-5_14.

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Jóvári, P., and L. Pusztai. "Structural Changes Across Phase Transitions in Disordered Systems." In New Kinds of Phase Transitions: Transformations in Disordered Substances, 267–82. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0595-1_20.

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Bagmut, A. G., V. M. Kosevich, and G. P. Nikolaichuk. "Structural and Phase Transformations in Films Deposited Using Laser Plasma." In Growth of Crystals, 3–12. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3660-4_1.

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Baran, L. V., E. M. Shpilevsky, and G. P. Okatova. "Structural-Phase Transformations in Titanium-Fullerene Films at Implantation of Boron Ions." In Hydrogen Materials Science and Chemistry of Carbon Nanomaterials, 115–22. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/1-4020-2669-2_9.

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Wu, Chengping, Eaman T. Karim, Alexey N. Volkov, and Leonid V. Zhigilei. "Atomic Movies of Laser-Induced Structural and Phase Transformations from Molecular Dynamics Simulations." In Lasers in Materials Science, 67–100. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-02898-9_4.

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Pompe, W., and A. Richter. "Thermodynamic Parameters and Structural Criteria for Phase Transformations in Amorphous Covalent Bound Materials." In Springer Series in Synergetics, 149–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-71004-9_20.

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Alexandrov, Boian T., and John C. Lippold. "In Situ Determination of Phase Transformations and Structural Changes During Non-Equilibrium Material Processing." In In-situ Studies with Photons, Neutrons and Electrons Scattering, 113–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14794-4_8.

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Kuchta, Bogdan, Tadeusz Luty, Krzysztof Rohleder, and Richard D. Etters. "The Influence of Electronic Changes on Structural Phase Transformations in Solid Iodine Under Pressure." In Electrical and Related Properties of Organic Solids, 415–22. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5790-2_25.

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Leoni, Stefano, and Salah Eddine Boulfelfel. "Pathways of Structural Transformations in Reconstructive Phase Transitions: Insights from Transition Path Sampling Molecular Dynamics." In Modern Methods of Crystal Structure Prediction, 181–221. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527632831.ch8.

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Conference papers on the topic "Structural-phase transformations"

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Davydov, D. I., N. V. Kazantseva, I. V. Ezhov, V. S. Gaviko, and N. A. Popov. "Study of structural phase transformations in cobalt heat resistant alloys." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON PHYSICAL MESOMECHANICS. MATERIALS WITH MULTILEVEL HIERARCHICAL STRUCTURE AND INTELLIGENT MANUFACTURING TECHNOLOGY. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0034689.

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Poletika, Tamara M., Svetlana L. Girsova, Aleksandr I. Lotkov, Oleg A. Kashin, Konstantin V. Krukovskii, and Evgenii V. Fedoseenko. "Structural and phase transformations in TiNi treated in ion plasma." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2017 (AMHS’17). Author(s), 2017. http://dx.doi.org/10.1063/1.5013857.

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Saxena, N. S., and Deepika. "Phase Transformations, Thermodynamics and Structural Relaxation of Phase Separated Se58Ge42−xPbx (9⩽x⩽20) Glasses." In THERMOPHYSICAL PROPERTIES OF MATERIALS AND DEVICES: IVth National Conference on Thermophysical Properties ‐ NCTP'07. American Institute of Physics, 2010. http://dx.doi.org/10.1063/1.3466536.

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Kadau, Kai. "Shock-Induced Structural Phase Transformations Studied by Large-Scale Molecular-Dynamics Simulations." In Shock Compression of Condensed Matter - 2001: 12th APS Topical Conference. AIP, 2002. http://dx.doi.org/10.1063/1.1483551.

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Verma, A., Jung B. Singh, M. Sundararaman, and J. K. Chakravartty. "Delineating overlapping structural and magnetic phase transformations in a Fe-5.93at% Ni alloy." In SOLID STATE PHYSICS: PROCEEDINGS OF THE 57TH DAE SOLID STATE PHYSICS SYMPOSIUM 2012. AIP, 2013. http://dx.doi.org/10.1063/1.4790931.

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O’Meara, Nicholas, Simon D. Smith, and John A. Francis. "Calibrating Phase Transformation and Grain Growth Models and Measuring Phase Dependent Material Properties for Use in FE Simulations of Welds." In ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45936.

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Computer modelling methods are being used to determine the residual stresses in nuclear reactor pressure vessel welds. It has been found that such models need to simulate the effects of solid state phase transformations. Transformations have an associated transformation strain which can significantly influence the evolution of residual stress. The predicted distribution of phases enables structural simulations to account for the distribution of mechanical properties throughout a weld. Factors such as heating or cooling rate and prior austenite grain size must be considered in order to accurately predict the distribution of phases during a transient thermal cycle since they influence transformation kinetics. In this paper, a model to predict the prior austenite grain size and its effects on phase transformation kinetics is presented and calibrated using free dilatometry data. Validation experiments are conducted using a Gleeble thermo-mechanical simulator and are modelled in a commercial FE package to assess the accuracy of a phase transformation model. Samples have been heat treated to possess specific microstructures and have been tested at different temperatures to establish the properties of the phases that can form during weld thermal cycles.
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Ramazanov, Kamil, Rashid Agzamov, Yuldash Khusainov, Ainur Tagirov, Aleksei Nikolaev, and Ilia Zolotov. "Structural Phase Transformations in Titanium Alloy Ti-6Al-4V at Low-Temperature Ion Nitriding." In 2018 28th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV). IEEE, 2018. http://dx.doi.org/10.1109/deiv.2018.8537128.

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Yamini, S., P. Sakthi Priya, M. Gunaseelan, and J. Senthilselvan. "Structural phase transformations in KYF4:Er3+ nanoparticles synthesized by hydrothermal method for upconversion applications." In DAE SOLID STATE PHYSICS SYMPOSIUM 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4980200.

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Kozlov, Eduard, Natalya Popova, Lyaila Zhurerova, Elena Nikonenko, Mark Kalashnikov, and Mazhin Skakov. "Structural and phase transformations in 0.3C-1Cr-1Mn-1Si-Fe steel after electrolytic plasma treatment." In ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Author(s), 2016. http://dx.doi.org/10.1063/1.4966405.

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O’Meara, Nicholas, John A. Francis, Simon D. Smith, and Philip J. Withers. "Development of Simplified Empirical Phase Transformation Model for Use in Welding Residual Stress Simulations." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-29100.

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The level and distribution of residual stresses in welds arises from the complex thermo-mechanical history of heat flow and thermal expansion at very high temperatures. It is not possible to make assessments of these with the methods that are used to determine service stresses. Simulation techniques have been developed over many years making it increasingly possible to predict residual stresses. These models need accurate materials data including, where applicable, the effect of phase transformations. In nuclear reactor pressure vessel welds, it is necessary to consider welding as a metallurgical problem as well as a thermo-mechanical one and FE simulations of these require a wide range of material data in order to create suitable input parameters. It is crucial that models of ferritic steel welds simulate the effects of phase transformations because the different phases have different thermal expansion coefficients. Partly due to differences in thermal expansion coefficient attributed to the different phases, but more significantly because of the associated transformation strain and transformation plasticity. Further to this, predicting the distribution of the phase fractions enables structural simulations to account for the distribution of mechanical properties throughout a weld. In this work, a simplified approach to producing an empirical model to simulate phase transformations in SA-508 Gr3 pressure vessel steel is presented. A commercial finite element package is used to implement the model which calculates the volume fraction of bainite, martensite and austenite and the thermal strains that evolve over the thermal excursions. The results of these FE simulations are compared to experimental data.
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Reports on the topic "Structural-phase transformations"

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Dayal, Kaushik. Dynamics of Structural Phase Transformations Using Molecular Dynamics. Fort Belvoir, VA: Defense Technical Information Center, December 2013. http://dx.doi.org/10.21236/ada606824.

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Axe, J. D., H. You, D. Hohlwein, D. E. Cox, S. C. Moss, K. Forster, P. Hor, R. L. Meng, and C. W. Chu. Structural phase transformations and high-T/sub c/ superconductivity. Office of Scientific and Technical Information (OSTI), January 1987. http://dx.doi.org/10.2172/6312717.

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