Academic literature on the topic 'Displacive transformations'

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Journal articles on the topic "Displacive transformations"

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Paidar, Václav, and Andriy Ostapovets. "Displacive Phase Transformations." Solid State Phenomena 150 (January 2009): 159–74. http://dx.doi.org/10.4028/www.scientific.net/ssp.150.159.

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Shear deformation and shuffling of atomic planes are elementary mechanisms of collective atomic motion that take place during displacive phase transformations. General displacements of atomic planes are examined, i.e. -surface type calculations extensively used for the stacking faults and crystal dislocations are applied to single plane shuffling and alternate shuffling of every other atomic plane producing in combination with homogeneous deformation the hcp structure (martensitic type) from the initial bcc structure (austenitic type). Similar approach considering shear type planar displaceme
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Bhadeshia, H. K. D. H. "Diffusional and displacive transformations." Scripta Metallurgica 21, no. 8 (1987): 1017–22. http://dx.doi.org/10.1016/0036-9748(87)90242-0.

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Olson, G. B., H. K. D. H. Bhadeshia, and M. Cohen. "Coupled diffusional/displacive transformations." Acta Metallurgica 37, no. 2 (1989): 381–90. http://dx.doi.org/10.1016/0001-6160(89)90222-8.

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Arif, Tansel T., and Rong Shan Qin. "A Phase-Field Model for the Formation of Martensite and Bainite." Advanced Materials Research 922 (May 2014): 31–36. http://dx.doi.org/10.4028/www.scientific.net/amr.922.31.

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The phase field method is rapidly becoming the method of choice for simulating the evolution of solid state phase transformations in materials science. Within this area there are transformations primarily concerned with diffusion and those that have a displacive nature. There has been extensive work focussed upon applying the phase field method to diffusive transformations leaving much desired for models that can incorporate displacive transformations. Using the current model, the formation of martensite, which is formed via a displacive transformation, is simulated. The existence of a transfo
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Paidar, V. "Shuffling in displacive phase transformations." Materials Science and Engineering: A 481-482 (May 2008): 243–46. http://dx.doi.org/10.1016/j.msea.2006.12.219.

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Paidar, V. "Displacive processes and phase transformations." Bulletin of the Russian Academy of Sciences: Physics 73, no. 9 (2009): 1182–87. http://dx.doi.org/10.3103/s1062873809090020.

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Duneau, Michel, and Christophe Oguey. "Displacive transformations and quasicrystalline symmetries." Journal de Physique 51, no. 1 (1990): 5–19. http://dx.doi.org/10.1051/jphys:019900051010500.

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James, R. D. "Displacive phase transformations in solids." Journal of the Mechanics and Physics of Solids 34, no. 4 (1986): 359–94. http://dx.doi.org/10.1016/0022-5096(86)90008-6.

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Christian, J. W., G. B. Olson, and M. Cohen. "Classification of Displacive Transformations : What is a Martensitic Transformation ?" Le Journal de Physique IV 05, no. C8 (1995): C8–3—C8–10. http://dx.doi.org/10.1051/jp4:1995801.

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Benke, Márton, and Valéria Mertinger. "In Situ Optical Microscopic Examination Techniques of Thermally Induced Displacive Transformations." Materials Science Forum 812 (February 2015): 279–84. http://dx.doi.org/10.4028/www.scientific.net/msf.812.279.

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The mechanical (reversible deformation, stress-strain diagrams, etc.) and thermal (transformation temperatures, hysteresis) characteristics of the thermoelastic martensitic transformations are in the focus of many manuscripts, however, other aspects of the transformations are given less attention. The relief formation accompanied with displacive transformations ensures the possibility of the direct observation of the mechanism and physical metallurgical characteristics of the martensite↔austenite transformations. The authors of the present manuscript applied the in situ optical microscopy meth
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Dissertations / Theses on the topic "Displacive transformations"

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Mujahid, Shafiq Ahmad. "Coupled diffusional/displacive transformations." Thesis, University of Cambridge, 1992. https://www.repository.cam.ac.uk/handle/1810/221883.

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Káňa, Tomáš. "Kvantově mechanické studium stability fází v kovových systémech." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-233869.

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This work presents a theoretical study of stability of phases in selected metallic systems. We propose a model of structural transformations in transition metal disilicides MoSi2, CrSi2, VSi2 and TiSi2 and in Pd thin films grown on cubic substrates W(001) and Nb(001). The obtained results yield the total energy proles for the structural transformations studied, the activation energies needed for each individual transformation and an estimate of the temperature at which the structure can transform. The total energies are calculated by full-potential linearized augmented plane waves (FLAPW) meth
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Fuchs, Alexander. "Application of microstructural texture parameters to diffusional and displacive transformation products." Thesis, University of Birmingham, 2005. http://etheses.bham.ac.uk//id/eprint/212/.

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The measurement of materials properties and the control of processing parameters is important for both materials development and quality control. Determination of these parameters is sometimes advantageous if done by means of microstructural characterisation as here additional information may be gained from the sample. These values, e.g. the grain size or the volume fraction of the present microconstituents, may allow the correlation with mechanical properties or processing properties. Unfortunately, the diffusional and displacive transformation products, martensite and bainite, exhibit very f
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Khelfaoui, Fadila Guénin Gérard. "Effet des traitements thermomécaniques sur les transformations displacives de l'aaliage Ti-Ni." Villeurbanne : Doc'INSA, 2005. http://docinsa.insa-lyon.fr/these/pont.php?id=khelfaoui.

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Khelfaoui, Fadila. "Effet des traitements thermomécaniques sur les transformations displacives de l'alliage Ti-Ni." Lyon, INSA, 2000. http://theses.insa-lyon.fr/publication/2000ISAL0080/these.pdf.

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Les alliages base Ti-Ni à mémoire de forme sont très sensibles aux traitements thermomécaniques subis préalablement : laminage à froid et recuits. Ces traitements utilisés dans la littérature n'ont cependant pas été étudiés systématiquement. Le but du travail est d'optimiser les traitements thermomécaniques pour obtenir des propriétés de transformations displacives bien caractérisées et reproductibles. Il s'agit d'identifier et de comprendre les phénomènes qui se produisent lors de ces traitements thermomécaniques dans des alliages Ti-Ni proches de la composition équiatomique. Pour cela, l'étu
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Hua, Ke. "Displacive characteristics of β to α phase transformation and its impact on hot deformation behavior in Ti-7333 metastable β titanium alloy". Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0213.

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Une étude approfondie a été menée sur l’alliage Ti-7333 en termes de transformation de phase β en α. Il a été montré que la transformation de la structure est réalisée par une contraction dans<1"1" ̅"2" ̅>β, un allongement dans <"1" ̅1"1" ̅>β et <110>β, et un cisaillement sur le système de glissement{1"1" ̅"2" ̅}β<"1" ̅1"1" ̅>β. Chaque précipité α est composé de deux types de domaines α de taille nanométrique. L'un est situé sur la face large du précipité α majeur (interface α), l'autre traverse le α majeur (α pénétrant). La nucléation de cet α est induite par la contra
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Anwar, Jamshed, John Kendrick, and S. C. Tuble. "Concerted Molecular Displacements in a Thermally-induced Solid-State Transformation in Crystals of DL-Norleucine." 2007. http://hdl.handle.net/10454/2701.

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No<br>Martensitic transformations are of considerable technological importance, a particularly promising application being the possibility of using martensitic materials, possibly proteins, as tiny machines. For organic crystals, however, a molecular level understanding of such transformations is lacking. We have studied a martensitic-type transformation in crystals of the amino acid DL-norleucine using molecular dynamics simulation. The crystal structures of DL-norleucine comprise stacks of bilayers (formed as a result of strong hydrogen bonding) that translate relative to each other on trans
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Books on the topic "Displacive transformations"

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International Conference on Displacive Phase Transformations and Their Applications in Materials Engineering (1996 University of Illinois). International Conference on Displacive Phase Transformations and Their Applications in Materials Engineering: In honor of Professor C.M. Wayman on the occasion of his retirement. TMS, 1998.

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Inove, Kanryn. Displacive Phase Transformations & Their Applications in Materials Engineering: Proceedings, International Conference on Displacive Phase Transformations ... in Materials Engineering, Urban, Il, 1996. Minerals, Metals, & Materials Society, 1998.

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Bosse, Joanna. Joy, Flow, and Personal Transformation. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252039010.003.0009.

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This chapter locates ballroom dance's transformative potential in the affective experience of synchronized performance, with particular emphasis on how it brings pleasure and feeling of well-being to the dancer. It examines the radical shift in awareness that occurs during the dance event itself, where feelings of joy and euphoria displace feelings of self-consciousness and worry over everyday life. It considers Mihaly Csikszentmihalyi's concept of optimal experience and flow in order to understand the events that can lead to such states of awareness as well as appreciate the appeal of ballroo
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Friedland, Roger. The Constitution of Religious Political Violence: Institution, Culture, and Power. Edited by Jeffrey C. Alexander, Ronald N. Jacobs, and Philip Smith. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780195377767.013.16.

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This article examines politicized religion on institutional grounds, arguing that religious violence is both a corollary of attempted institutional transformation and, more specifically, of the institutional logic of religion itself. The institutionalism that this article proposes is a cultural sociological project; it seeks to encompass, not displace, prior institutional constitutions. The article contends that institutions are constituted by orderings of means-ends couplets, regimes of practice, the so-called “institutional logics.” It first considers religious violence as a political strate
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Fateh-Moghadam, Bijan, and Herbert Zech, eds. Transformative Technologien. Nomos Verlagsgesellschaft mbH & Co. KG, 2021. http://dx.doi.org/10.5771/9783748924852.

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The anthology is interested in the relationship between technology and law. Transformative technologies not only displace competing technologies from the market, i.e., they do not only have a disruptive effect in an economic sense, but are also able to influence normative concepts. Thus, technical innovations such as digitization not only confront the law with new regulatory tasks, but also change it at the same time. Law is actively shaping the process of the digital transformation of society, but at the same time is becoming its passive object. The contributions to this anthology illuminate
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Srinivasan, Sharath. When Peace Kills Politics. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780197602720.001.0001.

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When Peace Kills Politics explains the role of international peacemaking in reproducing violence and political authoritarianism in Sudan and South Sudan in recent decades. Srinivasan explains how Sudan’s landmark north–south peace process that achieved the 2005 Comprehensive Peace Agreement fueled war in Darfur, the Nuba Mountains and the Blue Nile alongside how it contributed to Sudan’s failed political transformation and newly independent South Sudan’s rapid descent into civil war. Concluding with the conspicuous absence of ‘peace’ when non-violent revolutionary political change came to Suda
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Book chapters on the topic "Displacive transformations"

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Harmon, Bruce N. "Displacive Phase Transformations and Phonons." In NATO ASI Series. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2476-2_24.

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Paidar, Václav. "Elemental Interfaces and Displacive Phase Transformations." In Advances in Science and Technology. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908158-16-8.63.

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Sluiter, M., and P. E. A. Turchi. "Ordering and Displacive Transformations in Ni-Al Alloys." In NATO ASI Series. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2476-2_38.

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Schryvers, Dominique. "Experimental Studies on Precursor Phenomena in Displacive Phase Transformations." In Properties of Complex Inorganic Solids. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-5943-6_41.

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Banerjee, S. "Displacive and Diffusional Transformations of the Beta Phase in Zirconium Alloys." In Zirconium in the Nuclear Industry: 17th Volume. ASTM International, 2014. http://dx.doi.org/10.1520/stp154320130039.

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Kriven, W. M. "Displacive Transformation Mechanisms in Zirconia Ceramics and Other Non-Metals." In Tailoring Multiphase and Composite Ceramics. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2233-7_18.

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Matsuda, M., M. Yamashita, K. Hirayama, T. Hara, and M. Nishida. "Transmission Electron Microscopy of Antiphase Boundary-Like Structure Induced by Displacive Transformation in Ti-Pd Shape Memory Alloy." In ICOMAT. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118803592.ch43.

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Ashby, Michael F., and David R. H. Jones. "Kinetics 3—Displacive Transformations." In Engineering Materials 2. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-08-096668-7.00009-7.

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Ashby, Michael F., and David R. H. Jones. "Kinetics of structural change: III – displacive transformations." In Engineering Materials. Elsevier, 1998. http://dx.doi.org/10.1016/b978-0-08-054565-3.50011-3.

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ASHBY, MICHAEL F., and DAVID R. H. JONES. "KINETICS OF STRUCTURAL CHANGE: III—DISPLACIVE TRANSFORMATIONS." In Engineering Materials 2. Elsevier, 1986. http://dx.doi.org/10.1016/b978-0-08-032532-3.50013-9.

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Conference papers on the topic "Displacive transformations"

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Swart, Pieter J. "Evolution of microstructure in displacive phase transformations." In 1993 North American Conference on Smart Structures and Materials, edited by H. Thomas Banks. SPIE, 1993. http://dx.doi.org/10.1117/12.148423.

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Kudryashov, Sergey I. "Optically-induced ultrafast displacive structural transformations in semiconductors and semimetals." In Frontiers in Optics. OSA, 2005. http://dx.doi.org/10.1364/fio.2005.jwa82.

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Bartel, Thorsten, Karsten Buckmann, Björn Kiefer, and Andreas Menzel. "An Advanced Energy Relaxation Scheme for the Modeling of Displacive Phase Transformations." In ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/smasis2013-3041.

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In this contribution, a micro-mechanically motivated constitutive model for phase transformation, martensite reorientation and twin formation in shape memory alloys is proposed. The formulation builds on an effective parametrization of the austenite-twinned martensite microstructure through first- and second-order laminates. To define the effective energy density of the phase mixture, the concept of energy relaxation is applied. The values of the dissipative internal state variables that describe the microstructure evolution are computed via constrained incremental energy minimization. This wo
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Hua, Susan Z., Frederick Sachs, and Harsh Deep Chopra. "Electrochemically Actuated Microvalves for Microfluidic Systems." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39387.

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Electrochemical actuation is used to make active control elements for microfluidic applications that require no moving mechanical parts. Electrochemical bubbles were generated directly inside the micro-channels, which serve as valves. Bubble formation and its physical interaction with the fluid were visualized using epi-fluorescent microscopy, which shows that the valve completely stops the flow. Valve closing/opening was quantitatively characterized for flow rates ranging from ≈5 mm/s to 27 mm/s (inlet pressures 102 kPa to105 kPa). It was found that valves could be closed/opened in relatively
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Jansto, Steven G. "New Generation Structural Steel Plate Metallurgy for Meeting Offshore and Arctic Application Challenges." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77723.

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The new generation of value-added low carbon-low manganese-niobium microalloyed structural steels for both low and high yield strength, energy absorption, fatigue and fracture resistant applications is under development for offshore and arctic materials engineering applications. These materials engineering considerations are shifting designers to consider new lower cost and more robust construction materials even for low yield strength applications require improved fatigue, fracture arrest and toughness performance. The civil engineering and end user community demand structural reinforcing bar
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Reports on the topic "Displacive transformations"

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Bustelo, Monserrat, Pablo Egana-delSol, Laura Ripani, Nicolas Soler, and Mariana Viollaz. Automation in Latin America: Are Women at Higher Risk of Losing Their Jobs? Inter-American Development Bank, 2020. http://dx.doi.org/10.18235/0002566.

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New technological trends, such as digitization, artificial intelligence and robotics, have the power to drastically increase economic output but may also displace workers. In this paper we assess the risk of automation for female and male workers in four Latin American countries Bolivia, Chile, Colombia and El Salvador. Our study is the first to apply a task-based approach with a gender perspective in this region. Our main findings indicate that men are more likely than women to perform tasks linked to the skills of the future, such as STEM (science, technology, engineering and mathematics), i
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