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Relevant bibliographies by topics / Untwinning

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Academic literature on the topic 'Untwinning'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Untwinning"

1

Muránsky, Ondrej, David G. Carr, Petr Šittner, E. C. Oliver, and P. Dobroň. "In Situ Neutron Diffraction Studies of the Pseudoelastic-Like Behaviour of Hydrostatically Extruded Mg-Al-Zn Alloy." Materials Science Forum 571-572 (March 2008): 107–12. http://dx.doi.org/10.4028/www.scientific.net/msf.571-572.107.

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In-situ neutron diffraction has been used to study the pseudoelastic-like behaviour of hydrostatically extruded AZ31 magnesium alloy during stress-strain cycles in compression and tension along the extrusion direction. It has been confirmed that the activation of reversal twinning processes during unloading is responsible for the macroscopically observed hysteresis effect. Moreover, neutron diffraction data reveals the existence of high tensile stresses in grains which have just experienced significant twinning activity prior to the start of the unload cycle. It is thus proposed that this tens

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2

LOU, Chao, Xiyan ZHANG, Runhong WANG, Gaolin DUAN, and Qing LIU. "EFFECTS OF UNTWINNING AND {1012} TWIN LAMELLAR STRUCTURE ON THE MECHANICAL PROPERTIES OF Mg ALLOY." Acta Metallurgica Sinica 49, no. 3 (2013): 291. http://dx.doi.org/10.3724/sp.j.1037.2012.00582.

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3

Huang, Wenjia, Ninshu Ma, Yunwu Ma, Toshiro Amaishi, Kenji Takada, and Takayuki Hama. "Material Model Development of Magnesium Alloy and Its Strength Evaluation." Materials 14, no. 2 (2021): 454. http://dx.doi.org/10.3390/ma14020454.

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A new material model of magnesium alloys, combining both Hill’48 yield function and Cazacu’06 yield function, was developed and programmed into LS-DYNA using user subroutine, in which both slip dominant and twinning/untwinning dominant hardening phenomena were included. First, a cyclic load test was performed, and its finite element analysis was carried out to verify the new material model. Then, the deformation behaviors of the magnesium crash box subjected to the compressive impact loading were investigated using the developed material model. Compared with the experimental results, the new m

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4

Wang, Y. N., and J. C. Huang. "The role of twinning and untwinning in yielding behavior in hot-extruded Mg–Al–Zn alloy." Acta Materialia 55, no. 3 (2007): 897–905. http://dx.doi.org/10.1016/j.actamat.2006.09.010.

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5

Chopra, Harsh Deep, and Manfred Wuttig. "In-situ observation of preparatory untwinning in reverse martensitic transition in an In-22.5at%Tl shape memory alloy." Scripta Metallurgica et Materialia 33, no. 4 (1995): 521–25. http://dx.doi.org/10.1016/0956-716x(95)00236-o.

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6

Wang, L., Y. G. Cui, J. F. Wan, et al. "In situatomic force microscope study of high-temperature untwinning surface relief in Mn-Fe-Cu antiferromagnetic shape memory alloy." Applied Physics Letters 102, no. 18 (2013): 181901. http://dx.doi.org/10.1063/1.4804259.

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7

Yasuda, Hiroyuki Y., Yasuhiro Oda, Takuya Kishimoto, and Yukichi Umakoshi. "Transformation and Twinning Pseudoelasticities in Fe₃Ga Single Crystals." Solid State Phenomena 172-174 (June 2011): 31–36. http://dx.doi.org/10.4028/www.scientific.net/ssp.172-174.31.

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In Fe3Ga single crystals with the D03 structure, three types of pseudoelasticities based on dislocation motion, martensitic transformation and twinning take place depending on the heat treatment, the loading axis and the stress sense. In this paper, we report the detail of the transformation and twinning pseudoelasticities in the crystals focusing on the crystallography and the temperature dependence. In particular, the driving force for the twinning pseudoelasticity was discussed, focusing on the atomic arrangement. In Fe3Ga single crystals homogenized or solutionized in the α disordered regi

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8

Dumas, P., E. Ennifar, and P. Walter. "Detection and treatment of twinning: an improvement and new results." Acta Crystallographica Section D Biological Crystallography 55, no. 6 (1999): 1179–87. http://dx.doi.org/10.1107/s0907444999004758.

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This work deals with two aspects of the twinning problem. Firstly, an improvement of a known statistical test aimed at detecting twinning is presented and, secondly, a new parametrization of twinning is described, as well as a new method to obtain an accurate estimate of the degreee of twinning. During work on crystals of the dimerization-initiation site of the HIV-1 genomic RNA, perfectly twinned crystals were obtained which were not immediately recognized as such by use of a known statistical method. This method, reminiscent of Wilson tests for the detection of centrosymmetric space groups,

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9

Silva Neto, Marcello B. "Magnetoelastic coupling between copper spin configurations and oxygen octahedra inLa2−xSrxCuO4: Untwinning, Raman (phonon) spectrum, and neutron response." Physical Review B 74, no. 4 (2006). http://dx.doi.org/10.1103/physrevb.74.045109.

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Dissertations / Theses on the topic "Untwinning"

1

Li, Min. "Constitutive modeling of slip, twinning, and untwinning in AZ31B magnesium." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1135711736.

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