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Journal articles on the topic 'Bicrystals'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Singh, Divya, and Avinash Parashar. "Effect of Crack on the Tensile Strength of a Bicrystal Zr - A MD Based Evaluation." Materials Science Forum 978 (February 2020): 487–91. http://dx.doi.org/10.4028/www.scientific.net/msf.978.487.

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In this article, molecular dynamics simulations have been performed to study the effect of crack on the tensile strength of a bicrystal of Zr. Bicrystal with a symmetric tilt grain boundary, with crack and without crack, are generated along [0001] tilt axis. This is further subjected to tensile loading and the stress strain response of the bicrystals with and without crack is studied. The strength of the bicrystal with crack is lower than the one without crack.

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2

Ishida, Y., H. Ichinose, and Y. Inomata. "The hierarchy of grain boundary structures in SiC bicrystals." Proceedings, annual meeting, Electron Microscopy Society of America 46 (1988): 596–97. http://dx.doi.org/10.1017/s0424820100105047.

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The standard geometrical theory having been developed to describe periodically ordered grain boundaries in metals, ie coincidence-site lattice theory faces a new frontier to be expanded in terms of hierarchy of atomic structures in low energy grain boundaries of polytype SiC bicrystals. The unit translation lattice of the polytype crystal is large and elongated in the direction perpendicular to the basal plane. With the elongated translation lattice, the coincidence-site lattice is generally very large. Often too large to be physically significant, although the predictive role of the coinciden

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3

Yang, Fu-qiang, He Xue, Ling-yan Zhao, and Xiu-Rong Fang. "Effects of Grain Orientation on Stress State near Grain Boundary of Austenitic Stainless Steel Bicrystals." Advances in Materials Science and Engineering 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/9409868.

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The stress state at the crack tip of structural components in nuclear power plants used in the SCC quantitative prediction models is based on the assumption that the polycrystalline material is isotropic and homogeneous at present. However, the crystals in polycrystalline materials are anisotropic with different orientations, which would induce a nonuniform stress to cause the initiation and propagation of SCC. By using a finite element method, the elastic responses of anisotropic behaviors of austenitic stainless steel bicrystals are studied. The results indicate that the stress distribution

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4

Loomis, Eric, Pedro Peralta, and Damian C. Swift. "Modeling of Elastic Waves in Dynamically Loaded NiAl Bicrystals." Journal of Engineering Materials and Technology 129, no. 4 (2007): 513–22. http://dx.doi.org/10.1115/1.2772328.

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Two methods have been used to simulate 2D elastic wave scattering in nickel aluminide (NiAl) bicrystals to study effects of grain boundaries and material anisotropy on elastic wave propagation. Scattering angles and amplitude ratios of the reflected and refracted waves produced at the grain boundary were calculated via slowness curves for both grains, which were plotted in the plane of incidence containing the grain boundary normal. From these curves, scattering angles were measured graphically and amplitude ratios were calculated based on the continuity of tractions and displacements at the b

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5

Sakaguchi, Isao, Manabu Komastu, Akio Watanabe, and Hajime Haneda. "Oxygen diffusion along the short-circuit paths in bicrystal SrTiO3." Journal of Materials Research 15, no. 12 (2000): 2598–601. http://dx.doi.org/10.1557/jmr.2000.0372.

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Oxygen diffusion in bicrystal SrTiO3 was investigated with the aid of resistive anode encoder of secondary-ion mass spectrometry. The diffusion profiles of 18O on volume, grain boundary (joining interface), and dislocation were separately determined from the three-dimensional distribution of 18O in the bicrystal SrTiO3. The volume diffusion of oxygen is found to be dependent on (i) Nb doping concentration, (ii) crystallographic orientation, and (iii) nonequilibrium oxygen defects that are annihilated by thermal annealing. The feature of 18O diffusion image along the dislocation in (100) and (1

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6

Smith, D. A., D. R. Clarke, M. F. Chisholm, P. E. Batson, and E. Olsson. "Transport critical currents and microstructure of yttrium barium cuprate." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 4 (1990): 32–33. http://dx.doi.org/10.1017/s0424820100173297.

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The transport critical current density, Jc , has been measured as a function of grain misorientation in thin film bicrystals of YBa2Cu3O7−x 1-2-3. The bicrystals were grown epitaxially on oriented bicrystal substrates of strontium titanate. Jc decreases as the misorientation increases up to about 20 degrees and subsequently remains constant. For misorientations of 20 or more degrees Jc is reduced by a factor of about 50 relative to its single crystal value. Although this is a large reduction it is still significantly smaller than the approximately three orders of magnitude reduction in Jc at 7

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7

Michael, J. R., C. H. Lin, and S. L. Sass. "High-resolution x-ray analysis of dislocation networks nn tilt boundaries." Proceedings, annual meeting, Electron Microscopy Society of America 46 (1988): 612–13. http://dx.doi.org/10.1017/s0424820100105126.

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The segregation of solute atoms to grain boundaries in polycrystalline solids can be responsible for embrittlement of the grain boundaries. Although Auger electron spectroscopy (AES) and analytical electron microscopy (AEM) have verified the occurrence of solute segregation to grain boundaries, there has been little experimental evidence concerning the distribution of the solute within the plane of the interface. Sickafus and Sass showed that Au segregation causes a change in the primary dislocation structure of small angle [001] twist boundaries in Fe. The bicrystal specimens used in their wo

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8

Gorkaya, Tatiana, Thomas Burlet, Dmitri A. Molodov, and Günter Gottstein. "In Situ Observations and Measurements of Mechanically Induced Grain Boundary Migration in a Scanning Electron Microscope." Materials Science Forum 715-716 (April 2012): 819–24. http://dx.doi.org/10.4028/www.scientific.net/msf.715-716.819.

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A novel set-up developed to continuously observe and measure stress driven grain boundary migration is presented. A commercially available tensile/compression SEM unit was utilized for in-situ observations of mechanically loaded samples at elevated temperatures up to 850°C by recording orientation contrast images of bicrystal surfaces. Two sample holders for application of a shear stress to the boundary in bicrystals of different geometry were designed and fabricated. The results of first measurements are presented.

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9

Paul, Henryk, and Julian H. Driver. "Recrystallization Nucleation in Some Channel Die Deformed, High Symmetry Aluminium Bicrystals." Materials Science Forum 467-470 (October 2004): 171–76. http://dx.doi.org/10.4028/www.scientific.net/msf.467-470.171.

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The crystallography of recrystallization nucleation in high purity aluminium bicrystals, with boundary planes situated parallel to the compression plane, has been characterized in detail by microtexture analyses. The experiments were carried out on samples with 2 types of bicrystal orientations composed of the stable Goss{110}<001> with an unstable cube{100}<001> or shear{100}<011> orientation. The bicrystals were cold deformed in channel-die compression up to true strains of 1.5. During recrystallization annealing, the deformation bands of the unstable orientations are the p

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10

Kim, M. J., Y. L. Chen, R. W. Carpenter, J. C. Barry та G. H. Schwuttke. "Σ =13 tilt grain boundary in silicon bicrystal". Proceedings, annual meeting, Electron Microscopy Society of America 48, № 4 (1990): 562–63. http://dx.doi.org/10.1017/s0424820100175946.

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The structure of grain boundaries (GBs) in metals, semiconductors and ceramics is of considerable interest because of their influence on physical properties. Progress in understanding the structure of grain boundaries at the atomic level has been made by high resolution electron microscopy (HREM) . In the present study, a Σ=13, (510) <001>-tilt grain boundary in silicon was characterized by HREM in conjunction with digital image processing and computer image simulation techniques.The bicrystals were grown from the melt by the Czochralski method, using preoriented seeds. Specimens for TEM

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11

Fairer, Jeffrey K., N. Ravishankar, Joseph R. Michael, and C. Barry Carter. "TEM Analysis of an Alumina Bicrystal Section Using a Fib." Microscopy and Microanalysis 7, S2 (2001): 326–27. http://dx.doi.org/10.1017/s1431927600027707.

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Grain boundary migration (GBM) during the sintering and densification of a polycrystalline ceramic material occurs as a result of mass transport across an interface. When there is a liquid film present, either due to additives used for liquid-phase sintering or unavoidable impurities in the material, the mass transport can be visualized in terms of dissolving material from one grain and precipitating it on another. in order to study the effects of crystallography on GBM in the presence of a liquid phase, alumina bicrystals have been fabricated with anorthite (CaA12Si208) glass films at the int

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12

Babcock, S. E., and N. Zhang. "TEM observations of electromagnetically characterized YBa2Cu3O7-x grain boundaries in flux-grown bicrystals." Proceedings, annual meeting, Electron Microscopy Society of America 49 (August 1991): 1072–73. http://dx.doi.org/10.1017/s0424820100089676.

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The original thin-film bicrystal studies strongly indicated that all high-angle grain boundaries in YBa2Cu3O7-x are intrinsically weak-linked and exhibit Josephson junction characteristics. More recent investigations of individual grain boundaries in both bulk-scale bicrystals and textured thin films have shown that the Jct properties of high-angle grain boundaries can vary in important ways. Specifically, high-angle grain boundaries with Jct behavior characteristic of a flux pinning mechanism have been discovered. These results are encouraging from the view point of large-scale applications.

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13

Lee, Jong-Sook, and Joachim Maier. "High Barrier Effects of (0001)|(0001) Zinc Oxide Bicrystals: Implication for Varistor Ceramics with Inversion Boundaries." Journal of Materials Research 20, no. 8 (2005): 2101–9. http://dx.doi.org/10.1557/jmr.2005.0243.

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Inversion boundaries (IBs) of a head-to-head or (0001)|(0001) (C+|C+) configuration bisect virtually every grain in typical commercial ZnO varistor ceramics. They are most often considered electrically inactive, and the effect on the grain growth behavior has been recently addressed. In this work, various configurations of ZnO bicrystals were prepared using different source crystals and strong barrier effects were observed in some (0001)|(0001) (C−|C−) bicrystals using crystals with higher impurity contents. The crystallographic polarity and impurity effects were systematically examined by dop

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14

Sato, Yukio, Fumiyasu Oba, Masatada Yodogawa, Takahisa Yamamoto, and Yuichi Ikuhara. "Current-Voltage Characteristic and Grain Boundary Structure in Undoped and Pr and Co Doped ZnO Bicrystals." Materials Science Forum 475-479 (January 2005): 3867–70. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3867.

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Our recent studies on current-voltage characteristic and grain boundary structure in ZnO bicrystals are reviewed in this paper. All types of undoped ZnO bicrystals showed Ohmic characteristics. This indicates that nonlinear current-voltage characteristic cannot be generated solely by the atomic disarrangement in undoped ZnO. On the other hand, co-doped ZnO bicrystals showed nonlinear current-voltage characteristics, which depended on the types of grain boundary. It is considered that the nonlinearity depends on the Pr concentrations at the respective grain boundaries.

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15

Darinskii, A. N., and A. L. Shuvalov. "Interfacial acoustic waves in one-dimensional anisotropic phononic bicrystals with a symmetric unit cell." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 475, no. 2231 (2019): 20190371. http://dx.doi.org/10.1098/rspa.2019.0371.

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The paper is concerned with the interfacial acoustic waves localized at the internal boundary of two different perfectly bonded semi-infinite one-dimensional phononic crystals represented by periodically layered or functionally graded elastic structures. The unit cell is assumed symmetric relative to its midplane, whereas the constituent materials may be of arbitrary anisotropy. The issue of the maximum possible number of interfacial waves per full stop band of a phononic bicrystal is investigated. It is proved that, given a fixed tangential wavenumber, the lowest stop band admits at most one

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16

Lothe, Jens. "Quasidislocations in anisotropic bicrystals." physica status solidi (b) 242, no. 10 (2005): 1978–82. http://dx.doi.org/10.1002/pssb.200540077.

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17

Cho, N. ‐H, C. B. Carter, Z. Elgat, and D. K. Wagner. "Growth of GaAs bicrystals." Applied Physics Letters 49, no. 1 (1986): 29–31. http://dx.doi.org/10.1063/1.97073.

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18

Miracle, D. B. "Deformation in NiAl bicrystals." Acta Metallurgica et Materialia 39, no. 7 (1991): 1457–68. http://dx.doi.org/10.1016/0956-7151(91)90231-o.

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19

Han, Wei Zhong, Shou Xin Li, Shi Ding Wu, and Zhe Feng Zhang. "Deformation Mechanisms of Single Crystals and Bicrystals Subjected to Equal-Channel Angular Pressing - Review." Materials Science Forum 633-634 (November 2009): 511–25. http://dx.doi.org/10.4028/www.scientific.net/msf.633-634.511.

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The deformation mechanisms of various kinds of single crystals and bicrystals during the process of equal channel angular pressing (ECAP) have been paid more attention world wide. This paper reviews the recent progresses in the understanding of the deformation mechanisms of single crystals and bicrystals subjected to one-pass ECAP, and discusses the effect of initial crystallographic orientation and grain boundary on the microstructural evolution of these crystals. Based on those experimental results and analysis, it is suggested that in addition to the shear deformation along the intersection

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20

Radetic, T., and U. Dahmen. "Hrem Observation of the Relaxation of Grain Boundaries in Au At Their Intersection with Free Surfaces." Microscopy and Microanalysis 7, S2 (2001): 278–79. http://dx.doi.org/10.1017/s143192760002746x.

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Grain boundaries in fee metals with low stacking fault energy are known to undergo extended relaxations that can at times lead to a thin layer of a different structure. in Cu, for example, it has been found that Σ3{112}} boundaries relax into a 9R phase or even a bec phase. in this work, we have used high resolution electron microscopy to investigate the atomic structure of Σ99 grain boundaries in mazed bicrystal films of Au. On {001} Ge single crystal substrates, Au bicrystals can be grown in two equivalent {110} orientation variants, related to each other by a 90° rotation about the surface

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21

Jiang, W. B., Q. P. Kong, L. B. Magalas, and Q. F. Fang. "The Internal Friction of Single Crystals, Bicrystals and Polycrystals of Pure Magnesium." Archives of Metallurgy and Materials 60, no. 1 (2015): 371–75. http://dx.doi.org/10.1515/amm-2015-0061.

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Abstract The internal friction of magnesium single crystals, bicrystals and polycrystals has been studied between room temperature and 450°C. There is no internal friction peak in the single crystals, but a prominent relaxation peak appears at around 160°C in polycrystals. The activation energy of the peak is 1.0 eV, which is consistent with the grain boundary self-diffusion energy of Mg. Therefore, the peak in polycrystals can be attributed to grain boundary relaxation. For the three studied bicrystals, the grain boundary peak temperatures and activation energies are higher than that of polyc

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22

Miyamoto, Hiroyuki, K. Kuroda, and Takura Mimaki. "Sensitivity to Fatigue Cracks Initiation of Symmetrical <110>Tilt Grain Boundaries in Pure Copper Bicrystals in 1M NaNO₂ Solution." Materials Science Forum 561-565 (October 2007): 2415–18. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.2415.

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Sensitivity to corrosion fatigue (CF) crack initiation has been investigated in a series of pure copper bicrystals with a symmetrical <110>-tilt grain boundary. Tests were performed by axial tension-compression tests in 1M NaNO2 solutions. The small-angle tilt bicrystals fractured in both intergranular and transgranular manners accompanied by a large amount of plastic strain to fracture while the large-angle bicrystals fractured in almost intergranular manner with a smaller plastic strain. Susceptibility to CF cracks increases with increasing misorientation. It seems that effect of grain

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23

Zhang, Xiao-Feng, Volk R. Todt, and Dean J. Miller. "From meandering to straight grain boundaries: Improving the structures of artificially induced grain boundaries in superconducting YBa2Cu3Oy bicrystals." Journal of Materials Research 12, no. 11 (1997): 3029–35. http://dx.doi.org/10.1557/jmr.1997.0396.

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This paper presents several key aspects of our approach to preparing artificially induced [001] tilt grain boundaries (GB's) with uniform, well-defined structures in YBa2Cu3Oy (YBCO) superconductors. GB structures formed in thin film and bulk bicrystals, respectively, will be compared. In YBCO thin film bicrystals, meandering rather than planar GB's are formed. Using a low film deposition rate has been demonstrated to reduce the magnitude of meander significantly, but complete elimination of the meander has not yet been accomplished. Thus, we have developed a dual-seeded-melt-texture process t

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24

Ohler, Michael, and Jürgen Härtwig. "Theory of moiré fringes on X-ray diffraction topographs of bicrystals." Acta Crystallographica Section A Foundations of Crystallography 55, no. 3 (1999): 413–22. http://dx.doi.org/10.1107/s0108767398010514.

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The theory of moiré fringes on X-ray diffraction topographs of bicrystals is derived from the dynamical theory of X-ray diffraction for the reflection (Bragg) and the transmission (Laue) case. The influence on the moiré fringes of the diffraction geometry, of the geometry of the sample, of its optical properties and of the topographic method is investigated. The perfect-crystal theory is also expanded to weakly deformed bicrystals.

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25

Protasova, Svetlana, Olga A. Kogtenkova та Boris B. Straumal. "Faceting of Σ3 Grain Boundaries in Al". Materials Science Forum 558-559 (жовтень 2007): 949–54. http://dx.doi.org/10.4028/www.scientific.net/msf.558-559.949.

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The temperature dependence of the energy of various facets of twin GBs has been measured. For the investigation of GB faceting the Al bicrystals of 99.999% wt. purity were grown by the modified Bridgman technique. One grain in these bicrystals is semi-surrounded by another one. Bicrystals were coated with a layer of Sn–Al alloy and annealed at various temperatures. Contact angles at the junction of a GB and two solid/liquid interfaces have been measured. The ratios of GB energy to solid/liquid interface energy have been calculated. Using these data, the Wulff-Herring plots and GB phase diagram

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26

Mackenzie, R. A. D., M. D. Vaudin, and S. L. Sass. "Grain boundary structure in Ni3Al." Proceedings, annual meeting, Electron Microscopy Society of America 46 (1988): 602–3. http://dx.doi.org/10.1017/s0424820100105072.

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Ni3Al is a potentially useful high temperature alloy. In its single crystal form it exhibits good ductility, however in polycrystalline form the pure alloy is highly prone to intergranular failure. It has been seen that in slightly nickel-rich alloys the addition of small amounts of boron has the effect of dramatically increasing the material ductility and of changing the failure mode from intergranular to transgranular. In alloys which have been ductilitized by boron addition, atom probe investigation has shown the boron to be segregated to grain boundaries. This segregation may induce a chan

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27

LeBleu, J. B., P. R. Mei, V. I. Levit, and M. J. Kaufman. "Tensile Properties of NiAl Bicrystals." Scripta Materialia 38, no. 3 (1998): 415–22. http://dx.doi.org/10.1016/s1359-6462(97)00469-7.

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28

Aubert, J. J., and J. J. Bacmann. "Czochralski growth of silicon bicrystals." Revue de Physique Appliquée 22, no. 7 (1987): 515–18. http://dx.doi.org/10.1051/rphysap:01987002207051500.

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29

KIMURA, Shiushichi, Eiichi YASUDA, Minji SAKAKI, Hyo Joon KIM, and Yusuke MORIYOSHI. "Grain Boundaries of MgO Bicrystals." Journal of the Ceramic Association, Japan 94, no. 1092 (1986): 795–800. http://dx.doi.org/10.2109/jcersj1950.94.1092_795.

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30

Inoko, Fukuji. "Deformation and Recrystallization in Bicrystals." Bulletin of the Japan Institute of Metals 31, no. 2 (1992): 123–31. http://dx.doi.org/10.2320/materia1962.31.123.

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31

Kuo, J. C., S. Zaefferer, Z. Zhao, M. Winning, and D. Raabe. "Deformation Behavior of Aluminum Bicrystals." Advanced Engineering Materials 5, no. 8 (2003): 563–66. http://dx.doi.org/10.1002/adem.200300372.

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32

Grabecki, G., J. Wróbel, and G. Karczewski. "Optical Studies of HgCdMnTe Bicrystals." Acta Physica Polonica A 79, no. 2-3 (1991): 221–23. http://dx.doi.org/10.12693/aphyspola.79.221.

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33

Li, Zong-quan, Guang-hai Li, Hui Shen, Yong Qin, Xi-jun Wu, and Dao-xiang Peng. "Fractography of embrittled copper bicrystals." Materials Science and Engineering: A 163, no. 1 (1993): 73–79. http://dx.doi.org/10.1016/0921-5093(93)90580-8.

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34

Peralta, P., A. Schober, and C. Laird. "Elastic stresses in anisotropic bicrystals." Materials Science and Engineering: A 169, no. 1-2 (1993): 43–51. http://dx.doi.org/10.1016/0921-5093(93)90597-8.

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35

Mizushima, Teruo, Tomohiro Minegishi, Hiroshi Saikawa, Genjoro Mima, and Toshimi Yamane. "Work hardening of aluminium bicrystals." Journal of Materials Science Letters 7, no. 4 (1988): 363–64. http://dx.doi.org/10.1007/bf01730744.

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36

Gemperlová, J., V. Paidar, and F. Kroupa. "Compatibility stresses in deformed bicrystals." Czechoslovak Journal of Physics 39, no. 4 (1989): 427–46. http://dx.doi.org/10.1007/bf01597801.

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37

Lindenkreuz, H. G., M. Jurisch, and S. Sahling. "Preparation of aluminium-sapphire bicrystals." Acta Physica Hungarica 57, no. 3-4 (1985): 205–11. http://dx.doi.org/10.1007/bf03158890.

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38

Liu, Mao, Cheng Lu, Kiet Anh Tieu, and Kun Zhou. "Crystal plasticity FEM study of nanoindentation behaviors of Cu bicrystals and Cu–Al bicrystals." Journal of Materials Research 30, no. 16 (2015): 2485–99. http://dx.doi.org/10.1557/jmr.2015.223.

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39

Yamamoto, Takahisa, Teruyasu Mizoguchi, S. Y. Choi, Yukio Sato, Naoya Shibata, and Yuichi Ikuhara. "Grain Boundary Atomic Structures in SrTiO₃ and BaTiO₃." Materials Science Forum 558-559 (October 2007): 851–56. http://dx.doi.org/10.4028/www.scientific.net/msf.558-559.851.

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SrTiO3 bicrystals with various types of grain boundaries were prepared by joining two single crystals at high temperature. By using the bicrystals, we examined their current-voltage characteristics across single grain boundaries from a viewpoint of point defect segregation in the vicinity of the grain boundaries. Current-voltage property in SrTiO3 bicrystals was confirmed to show a cooling rate dependency from annealing temperature, indicating that cation vacancies accumulate due to grain boundary oxidation. The theoretical results obtained by ab-initio calculation clearly showed that the form

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40

Molodov, Dmitri A. "Motion of Grain Boundaries: Experiments on Bicrystals." Diffusion Foundations 5 (July 2015): 247–71. http://dx.doi.org/10.4028/www.scientific.net/df.5.247.

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Recent research on grain boundary migration is reviewed. Novel in-situ measuring techniques based on orientation contrast imaging and the experimental results obtained on specially grown bicrystals are presented. Particularly, the investigated faceting and migration behavior of low angle grain boundaries under the curvature force in aluminum bicrystals was addressed. In contrast to the pure tilt boundaries, which remained straight/flat and immobile during annealing at elevated temperatures, mixed tilt-twist boundaries readily assumed a curved shape and steadily moved under the capillary force.

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41

Hetherington, C. J. D., and U. Dahmen. "HREM Analysis of ∑3 ﹛112﹜ Tilt Grain Boundaries in Au Bicrystals Observed in < 111 > Projection." Microscopy and Microanalysis 6, S2 (2000): 1044–45. http://dx.doi.org/10.1017/s1431927600037715.

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Grain boundaries in fee metals with low stacking fault energy are known to undergo extended relaxations that can at times lead to a thin layer of a different structure. In Cu, for example, it has been found that ∑3﹛ 112﹜ boundaries relax into a 9R phase [1]. In this work, we have used high resolution electron microscopy to investigate the atomic structure of ∑3 grain boundaries in mazed bicrystal films of Au. Using ﹛111﹜ Ge surfaces as a template, Au bicrystals can be grown in two orientation variants, related to each other by a 60° rotation about the surface normal. As described previously, s

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42

Shen, Pouyan, Shyh-Lung Hwang, Hao-Tsu Chu, Tzen-Fu Yui, Chiennan Pan, and Wuu-Liang Huang. "On the transformation pathways of alpha-PbO2-type TiO2 at the twin boundary of rutile bicrystals and the origin of rutile bicrystals." European Journal of Mineralogy 17, no. 4 (2005): 543–52. http://dx.doi.org/10.1127/0935-1221/2005/0017-0543.

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43

Paidar, Václav, Pavel Lejček, M. Polcarová, J. Brádler, and Alain Jacques. "Anisotropy of Grain Boundary Migration Observed in Situ by Synchrotron Radiation." Materials Science Forum 467-470 (October 2004): 911–16. http://dx.doi.org/10.4028/www.scientific.net/msf.467-470.911.

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Grain boundary motion was studied in situ at elevated temperatures by x-ray topography using synchrotron radiation. In addition to the position of grain boundary, other crystal defects that may interact with the moving boundary were observed simultaneously. Two types of bicrystals with the [001] rotation axis were selected for the experiments, the first one with a high coincidence S5 misorientation of about 37° and the other one with no coincidence of two crystals for the misorientation of 45°. The geometrical differences between chosen bicrystals are examined and attention is also paid to fac

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44

Ueda, M., H. Yasuda, and Y. Umakoshi. "Reverse Transformation in Fe-Ni Bicrystals." ISIJ International 44, no. 11 (2004): 1924–30. http://dx.doi.org/10.2355/isijinternational.44.1924.

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45

Inoko, F., and T. Yoshikawa. "Deformation, Recrystallization and Premelting in Bicrystals." Materials Science Forum 204-206 (March 1996): 379–88. http://dx.doi.org/10.4028/www.scientific.net/msf.204-206.379.

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MENYHARD, M., B. BLUM, C. J. McMAHON, Jr., S. CHIKWAMBANI, and J. WEERTMAN. "BISMUTH SEGREGATION IN Cu-Bi BICRYSTALS." Le Journal de Physique Colloques 49, no. C5 (1988): C5–457—C5–462. http://dx.doi.org/10.1051/jphyscol:1988556.

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IHLAL, A., and G. NOUET. "EBIC MEASUREMENTS OF ANNEALED SILICON BICRYSTALS." Le Journal de Physique Colloques 50, no. C6 (1989): C6–157—C6–157. http://dx.doi.org/10.1051/jphyscol:1989617.

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Marks, Robert A., Seth T. Taylor, Ennio Mammana, Ronald Gronsky, and Andreas M. Glaeser. "Directed assembly of controlled-misorientation bicrystals." Nature Materials 3, no. 10 (2004): 682–86. http://dx.doi.org/10.1038/nmat1214.

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ABDELAOUI, R., G. ALLAIS, and G. NOUET. "PRECIPITATION OF COPPER IN SILICON BICRYSTALS." Le Journal de Physique Colloques 51, no. C1 (1990): C1–417—C1–422. http://dx.doi.org/10.1051/jphyscol:1990164.

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Hu, Y. M., Z. G. Wang, and G. Y. Li. "Cyclic deformation behavior of copper bicrystals." Materials Science and Engineering: A 208, no. 2 (1996): 260–69. http://dx.doi.org/10.1016/0921-5093(95)10061-x.

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