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Relevant bibliographies by topics / Bicrystals

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Academic literature on the topic 'Bicrystals'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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Journal articles on the topic "Bicrystals"

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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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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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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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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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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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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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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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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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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Dissertations / Theses on the topic "Bicrystals"

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Xiao, Guanghao. "Grain boundary motion in aluminum bicrystals /." View online version; access limited to Brown University users, 2005. http://wwwlib.umi.com/dissertations/fullcit/3174697.

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Evans, Herbert Elgin 1962. "Preparation of high-purity aluminum bicrystals." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277076.

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The preparation of bicrystal specimens of high interfacial purity and accurately controlled mismatch of orientation between grains with a specific boundary orientation are critical for fundamental studies of the structure and properties of grain boundaries. A method was developed for routinely producing high-purity aluminum bicrystals of desired mismatch and boundary orientation. A strain annealing technique was used for making large single crystals. The orientation, structural perfection, and chemical purity of the seeds were characterized, then the seeds were joined by using an electron beam

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Miracle, Daniel Brian. "The deformation of nickel aluminide bicrystals /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487681148542519.

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VINOGRADOV, Alexei. "Fatigue Crack Propagation in Copper Single and Bicrystals." Kyoto University, 1997. http://hdl.handle.net/2433/202336.

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McAuley, Nigel Anthony. "A study of interfacial defects in hexagonal based bicrystals." Thesis, University of Liverpool, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235507.

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Yao, Zhicong. "Prediction and measurement of active slip in aluminum bicrystals and multicrystals /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487681788254995.

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Kheradmand, Nousha [Verfasser]. "Grain boundary-dislocation interaction: A local investigation via micron-sized bicrystals / Nousha Kheradmand." Aachen : Shaker, 2012. http://d-nb.info/1069044504/34.

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Kaneko, Yoshihisa. "Fatigue Crack Propagation and Cyclic Deformation in Ferritic Stainless Steel Single and Bicrystals." Kyoto University, 1998. http://hdl.handle.net/2433/77916.

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Liberatore, Michael James. "Secondary-ion mass spectrometric analysis of oxygen-grain boundary diffusion in magnesium-oxide bicrystals." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/32163.

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Wanakamol, Panitarn. "Deformation behavior of cylindrical block copolymer bicrystals : pathway to understanding block copolymer grain boundaries." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/37582.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2006.<br>Includes bibliographical references (leaves 166-169).<br>Model bicrystals made by adhering pieces of near-single-crystal styrene-isoprene-styrene (SIS) cylindrical block copolymer (BCP), produced by a roll-casting process; yield various types of pure tilt grain boundaries. The study of the deformation of the bicrystals, each containing one grain boundary, enables a deeper understanding of the influences grain boundaries and the incompatibilities between them have on mechanical behavior.

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Books on the topic "Bicrystals"

1

Ryś, Janusz. Krystalograficzne aspekty oddziaływania ferrytu i austenitu w bikryształach i stalach dwufazowych: Crystallographic aspects of ferrite and austenite interaction in two-phase steels and bicrystals. Wydawnictwa AGH, 2013.

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Book chapters on the topic "Bicrystals"

1

Yasuda, E., H. J. Kim, Y. Tanabe, and S. Kimura. "Grain Boundary Energy in MgO Bicrystals." In Sintering ’87. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1373-8_59.

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Uchida, S., G. Reményi, and G. Landwehr. "Germanium Bicrystals in High Magnetic Fields." In Springer Series in Solid-State Sciences. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83114-0_54.

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Ivanov, Z. G., P. A. Nilsson, D. Winkler, et al. "YBa2Cu3Ox DC-SQUIDs on Y-ZrO2 Bicrystals." In Superconducting Devices and Their Applications. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77457-7_23.

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4

Kraus, M., H. Mrotzek, N. Steinmetz, E. Bangert, G. Landwehr, and G. Remenyi. "Tilted Field Magnetotransport Experiments on Germanium Bicrystals." In High Magnetic Fields in Semiconductor Physics II. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83810-1_31.

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Petermann, G., and P. Haasen. "Grain Boundary States in Float-Zone Silicon Bicrystals." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-93413-1_45.

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Fuke, Hiroyuki, Kunihiko Hayashi, Yukio Kanke, and Youichi Enomoto. "BaPb1-xBixO3 Grain Boundary Junctions on SrTiO3 Bicrystals." In Advances in Superconductivity VII. Springer Japan, 1995. http://dx.doi.org/10.1007/978-4-431-68535-7_242.

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7

Yasuda, Eiichi, Shiushichi Kimura, Minji Sakaki, Hyo Joon Kim, and Yusuke Moriyoshi. "Grain Boundary Energy of Twisted MgO Bicrystals on (100)." In Ceramic Microstructures ’86. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1933-7_23.

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Yasuda, Eiichi, and Shiushichi Kimura. "Structure and Properties of Grain Boundary in MgO Bicrystals." In Surfaces and Interfaces of Ceramic Materials. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1035-5_5.

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Stemmer, M., and S. Martinuzzi. "In-Plane Investigation of Grain Boundary Recombination Strength in Silicon Bicrystals." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76385-4_12.

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Miura, Hiromi, Taku Sakai, R. Mogawa, and John J. Jonas. "Nucleation of Dynamic Recrystallization at the Grain Boundaries of Copper Bicrystals." In Materials Science Forum. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-443-x.457.

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Conference papers on the topic "Bicrystals"

1

Greenfield, S. R. "Transient Interferometric Studies of Shocked Bicrystals." In SHOCK COMPRESSION OF CONDENSED MATTER - 2003: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2004. http://dx.doi.org/10.1063/1.1780469.

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TAISNE, A., B. DECAMPS, and L. PRIESTER. "INTERFACE MICROSTRUCTURE IN FERRITIC/AUSTENITIC STAINLESS STEEL BICRYSTALS." In Proceedings of the XVIII Conference. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812811325_0042.

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Peralta, P. "Characterization of Laser-Driven Shocked NiAl Monocrystals and Bicrystals." In SHOCK COMPRESSION OF CONDENSED MATTER - 2003: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2004. http://dx.doi.org/10.1063/1.1780311.

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4

Fortin, Elizabeth, Benjamin Shaffer, Saul Opie, and Pedro Peralta. "Nucleation and growth of voids in shock loaded copper bicrystals." In SHOCK COMPRESSION OF CONDENSED MATTER - 2019: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP Publishing, 2020. http://dx.doi.org/10.1063/12.0000905.

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Porowski, S., W. L̸ojkowski, D. A. Molodov, L. S. Shvindlerman, and G. Gottstein. "Effect of high pressure on grain boundary migration in aluminium bicrystals." In High-pressure science and technology—1993. AIP, 1994. http://dx.doi.org/10.1063/1.46492.

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Wu, Xiaoping, Hengwen Yu, Xide Li, and Xiaofang Hu. "Microdeformation evolution properties of copper bicrystals by digital speckle correlation metrology." In Intl. Conf. on Experimental Mechanics: Advances and Applications, edited by Fook S. Chau and C. T. Lim. SPIE, 1997. http://dx.doi.org/10.1117/12.269789.

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Fortin, Elizabeth V., Saul Opie, Andrew D. Brown, Jenna M. Lynch, Eric Loomis, and Pedro D. Peralta. "Void Nucleation and Growth at Grain Boundaries in Copper Bicrystals With Surface Perturbations." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67649.

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Material failure on the microstructural level is important in determining macroscale behavior. When a material is subjected to dynamic (shock) loading conditions, damage and deformation patterns due to spall failure can provide a basis for connecting micro- to macroscale behavior. By analyzing deformation patterns at and around interfaces and boundaries that are representative of those found in engineering materials at high strain rates, we can develop stronger structures that can withstand impact collisions and rapid crack propagation. The addition of surface perturbations to one side of the

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Kasai, Y., T. Ishino, D. Moraru, R. Nuryadi, H. Ikeda, and M. Tabe. "Si bicrystal single-electron FETs." In 2008 IEEE Silicon Nanoelectronics Workshop (SNW). IEEE, 2008. http://dx.doi.org/10.1109/snw.2008.5418426.

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Wosik, Jaroslaw, Patrick L. Xie, Matthew F. Davis, Nilesh Tralshawala, P. Gierlowski, and John H. Miller, Jr. "Microwave characterization of bicrystal grain boundary junctions." In SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, edited by James D. Hodge. SPIE, 1995. http://dx.doi.org/10.1117/12.218170.

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Vukelic, Sinisa, Jeffrey W. Kysar, and Y. Lawrence Yao. "Grain Boundary Response of Aluminum Bicrystal Under Micro Scale Laser Shock Peening." In ASME 2007 International Manufacturing Science and Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/msec2007-31155.

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Micro scale laser shock peening (μLSP) is a process in which compressive residual stresses are induced in a material surface to improve fatigue life and wear resistance under cyclic loading. Since the diameter of the laser spot used during the process is the same order of magnitude as grain size, the effects of anisotropy and heterogeneity have to be explicitly taken into account. In this study experimental and analytic work have been done in order to investigate the bicrystal aluminum response under Gaussian loading. Effects of heterogeneity under μLSP are studied through applying laser shock

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Reports on the topic "Bicrystals"

1

Taylor, Seth Thomas. Grain boundary structure and solute segregation in titanium-doped sapphire bicrystals. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/799622.

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Chou, Y. T. Grain boundary diffusion in oriented Ni sub 3 Al bicrystals containing boron. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/5879343.

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Kysar, Jeffrey W. Combined Experimental and Computational Study of Plastic Deformation in Crystals and Bicrystals for the Development of Multi-Length Scale Constitutive Models. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada495430.

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Chou, Y. T. Grain boundary diffusion in oriented Ni{sub 3}Al bicrystals containing boron. Final technical report, September 1, 1986--August 31, 1990. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/10125642.

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Zhang, X. F., V. R. Todt, and D. J. Miller. From meandering to straight grain boundaries: Improving the structures of artificially-induced grain boundaries in superconducting YBa{sub 2}Cu{sub 3}O{sub y} bicrystals. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/515608.

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Tsay, Y. N., Q. Li, Y. Zhu, M. Suenaga, G. D. Gu, and N. Koshizuka. Electromagnetic and microstructural properties of pure c-axis twist Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} bicrystal junctions. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/638226.

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