Relevant bibliographies by topics / BCC structure

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'BCC structure'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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Journal articles on the topic "BCC structure"

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Sun, Hong Fei, Nana Guo, Can Ming Wang, Zhong Li Li, and Hai Yun Zhu. "Study of the Microstructure of High-Entropy Alloys AlFeCuCoNiCrTiX (x=0, 05, 1.0)." Applied Mechanics and Materials 66-68 (July 2011): 894–900. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.894.

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The microstructure of high-entropy Alloys AlFeCuCoNiCrTix (x=0, 05, 1.0) with different titanium contents had been studied. The results showed that: (1) The microstructure of AlFeCuCoNiCrTix exhibited the trend from dendritic structure to eutectic-cell structure as the titanium contents increasing and spinodal decomposition, nanoprecipitation and amorphous phase can be also observed; (2) Composition segregation appeared (especially Cu) and Ti promoted the segregation of Cu; (3) Alloys was consisted of FCC and BCC, and phases gradually converted from FCC+BCC1 to FCC+BCC1+BCC2 with addition of titanium and BCC2 became the leading phase; (4) Both ordering and spinodal decomposition coincided due to the difference of atomic size and high entropy effect.
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Iwasaki, H., and T. Kikegawa. "Structural Systematics of the High-Pressure Phases of Phosphorus, Arsenic, Antimony and Bismuth." Acta Crystallographica Section B Structural Science 53, no. 3 (1997): 353–57. http://dx.doi.org/10.1107/s0108768196015479.

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New structural systematics of the high-pressure phases of the title elements are given on the basis of the results obtained in our diffraction studies and the results from the literature. Although the structural transition sequence with increasing pressure appears to be different for the four elements, reinterpretation of the structure data has shown that it is expressed in a systematic way as follows P A17–A7–PSC As A7–PSC–dist. BCC–BCC Sb A7–dist. BCC–BCC Bi A7–dist. PSC–dist. BCC–BCC. Notations used are A17 (orthorhombic layered structure), A7 (rhombohedral layered structure), PSC (primitive simple cubic structure), dist. PSC (monoclinic structure which is regarded as a distorted PSC), BCC (body-centered cubic structure) and dist. BCC (tetragonal structure which is regarded as a distorted BCC). Phosphorus lacks the post-PSC phases, but it is likely that the same transition sequence as that of arsenic is seen under extremely high pressure. Discussion is made on how the network of the densest atomic plane changes through the structural transition sequence.
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Sugimoto, T., Y. Akahama, T. Ichikawa, H. Fujihisa, N. Hirao, and Y. Ohishi. "Bcc-fcc structure transition of Te." Journal of Physics: Conference Series 500, no. 19 (2014): 192018. http://dx.doi.org/10.1088/1742-6596/500/19/192018.

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Bai, Long, Changyan Yi, Xiaohong Chen, Yuanxi Sun, and Junfang Zhang. "Effective Design of the Graded Strut of BCC Lattice Structure for Improving Mechanical Properties." Materials 12, no. 13 (2019): 2192. http://dx.doi.org/10.3390/ma12132192.

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In order improve the poor mechanical properties of the body-centred cubic (BCC) lattice structure, which suffers from the stress concentration effects at the nodes of the BCC unit cell, a graded-strut design method is proposed to increase the radii corner of the BCC nodes, which can obtain a new graded-strut body-centred cubic (GBCC) unit cell. After the relative density equation and the force model of the structure are obtained, the quasi-static uniaxial compression experiments and finite element analysis (FEA) of GBCC samples and BCC samples are performed. The experimental results show that for the fabricated samples with the same relative density, the GBCC can increase the initial stiffness by at least 38.20%, increase the plastic failure strength by at least 34.12%, compared with the BCC. Coupled experimental and numerical results not only suggest that the GBCC has better mechanical and impact resistance properties than the BCC, but also indicate that as the radii corner increases, the stress concentration effect at the node and the mechanical properties will be improved, which validates the proposed design method for graded-strut unit cells and can provide guidance for the design and future research on ultra-light lattice structures in related fields.
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Liu, Li, Ramesh Paudel, Yong Liu, Xiao-Liang Zhao, and Jing-Chuan Zhu. "Theoretical and Experimental Studies of the Structural, Phase Stability and Elastic Properties of AlCrTiFeNi Multi-Principle Element Alloy." Materials 13, no. 19 (2020): 4353. http://dx.doi.org/10.3390/ma13194353.

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The fundamental challenge for creating the crystal structure model used in a multi-principle element design is the ideal combination of atom components, structural stability, and deformation behavior. However, most of the multi-principle element alloys contain expensive metallic and rare earth elements, which could limit their applicability. Here, a novel design of low-cost AlCrTiFeNi multi-principle element alloy is presented to study the relationship of structure, deformation behavior, and micro-mechanism. This structured prediction of single-phase AlCrTiFeNi by the atomic-size difference, mixing enthalpy ΔHmix and valence electron concentration (VEC), indicate that we can choose the bcc-structured solid solution to design the AlCrTiFeNi multi-principle element alloy. Structural stability prediction by density functional theory calculations (DFT) of single phases has verified that the most advantageous atom occupancy position is (FeCrNi)(AlFeTi). The experimental results showed that the structure of AlCrTiFeNi multi-principle element alloy is bcc1 + bcc2 + L12 phases, which we propose as the fundamental reason for the high strength. Our findings provide a new route by which to design and obtain multi-principle element alloys with targeted properties based on the theoretical predictions, first-principles calculations, and experimental verification.
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Kitamura, Shinya, Hiroo Hata, Keisuke Imafuku, and Hiroshi Shimizu. "Basal Cell Carcinoma or Trichoblastoma Dermoscopic Examination of Black Macules Developing in the Same Nevus Sebaceus." Case Reports in Oncology 9, no. 1 (2016): 143–47. http://dx.doi.org/10.1159/000443162.

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Nevus sebaceus (NS) is a common congenital birthmark, and various tumors have been reported to develop in NS. Basal cell carcinoma (BCC) seldom occurs in NS, and it is very important to be able to clinicopathologically distinguish BCC from trichoblastoma. Herein, we describe a case of BCC and trichoblastoma occurring simultaneously in the same NS, including the differential dermoscopic features. BCC is clinically difficult to distinguish from trichoblastoma because the clinical manifestations are similar. In a dermoscopic examination of BCC, arborizing vessels are one of the diagnostically significant features. In our case, the BCC showed ‘multiple' black structures, and the trichoblastoma showed a ‘single' black structure without arborizing vessels. To the best of our knowledge, there have been no reports on the dermoscopic findings of secondary tumors on NS.
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Liu, Amy Y., and David J. Singh. "bcc cobalt: Metastable phase or forced structure?" Journal of Applied Physics 73, no. 10 (1993): 6189–91. http://dx.doi.org/10.1063/1.352693.

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Guo, Shu, Kelly M. Powderly, and R. J. Cava. "Synthesis, structure, and magnetism of BCC KIrO3." Dalton Transactions 49, no. 34 (2020): 12018–24. http://dx.doi.org/10.1039/d0dt01836h.

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Brener, N. E., G. Fuster, J. Callaway, J. L. Fry, and Y. Z. Zhao. "Magnetic structure of bcc and fcc manganese." Journal of Applied Physics 63, no. 8 (1988): 4057–59. http://dx.doi.org/10.1063/1.340546.

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Pradhan, Ranjit D., John A. Bloodgood, and George H. Watson. "Photonic band structure of bcc colloidal crystals." Physical Review B 55, no. 15 (1997): 9503–7. http://dx.doi.org/10.1103/physrevb.55.9503.

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Dissertations / Theses on the topic "BCC structure"

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Goel, Archak. "Design of Functionally Graded BCC Type Lattice Structures Using B-spline Surfaces for Additive Manufacturing." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1552398559313737.

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Gilbert, Mark R. "BCC metals in extreme environments : modelling the structure and evolution of defects." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:d972d28d-5d2d-4392-8cf5-fc5728dc74f6.

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Designing materials for fusion applications is a very challenging problem, requiring detailed understanding of the behaviour of materials under the kinds of extreme conditions expected in a fusion environment. During the lifetime of fusion-reactor components, materials will be subjected to high levels of neutron irradiation, but must still perform effectively at high operating temperatures and under significant loading conditions. Body-centred cubic (bcc) transition metals are some of the most promising candidates for structural materials in fusion because of their relatively high density, which allows for effective neutron-shielding with the minimum volume and mass of material. In this work we perform atomistic simulations on two of the most important of these, Fe and W. In this thesis we describe atomic-scale simulations of defects found in bcc systems. In part I we consider the vacancy and interstitial loop defects that are produced and accumulated as a result of irradiation-induced displacement cascades. We show that vacancy dislocation loops have a critical size below which they are highly unstable relative to planar void defects, and thus offer an explanation as to why they are so rarely seen in TEM observations of irradiated bcc metals. Additionally, we compare the diffusion rates of these vacancy loops to their interstitial counterparts and find that, while interstitial loops are more mobile, the difference in mobility is not as significant as might have been expected. In part II we study screw dislocations, which, as the rate limiting carriers of plastic deformation, are significantly responsible for the strength of materials. We present results from large-scale finite temperature molecular dynamics simulations of screw dislocations under stress and observe the thermally-activated kink-pair formation regime at low stress, which appears to be superseded by a frictional regime at higher stresses. The mobility functions fitted to the results are vital components in simulations of dislocation networks and other large-scale phenomena. Lastly, we develop a multi-string Frenkel-Kontorova model that allows us to study the core structure of screw dislocations. Subtle changes in the form of the interaction laws used in this model demonstrate the difference between the non-degenerate and degenerate core structures. We provide simple criteria to guarantee the correct structure when developing interatomic potentials for bcc metals.
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Rashetnikava, Alena, Alexander Germanov, Irina Valikova, and Andrei Nazarov. "Molecular dynamics simulation of atomic structure in the vicinity of point defects in FCC and BCC metals." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-190156.

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Rashetnikava, Alena, Alexander Germanov, Irina Valikova, and Andrei Nazarov. "Molecular dynamics simulation of atomic structure in the vicinity of point defects in FCC and BCC metals." Diffusion fundamentals 11 (2009) 52, S. 1-2, 2009. https://ul.qucosa.de/id/qucosa%3A14014.

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Červinek, Ondřej. "Výpočtový model dynamického zatěžování mikro-prutové struktury vyrobené technologií Selective Laser Melting." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-379040.

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For the purpose of mechanical impact energy absorption in the transport industry are mainly used special profile absorbers. For highly specialized applications is required to use components that are designed for specific kind of deformation. Example of these parts are industrial-made metal foams or micro-lattice structures produced by SLM technology. This paper focuses on low-velocity dynamic loading prediction of BCC micro-lattice structure made of aluminum alloy AlSi10Mg by SLM technology (SLM 280HL). For this purpose dynamic FEM simulaton of the micro-lattice structure was developed, supplemented by model of BCC structure material obtained from mechanical testing. Real geometry of tested samples obtained from optical measurement (Atos Triple Scan III) was further implemented in the numerical model. Dynamic BCC structure load experiment was performed on a drop-weight tester. Behavior of structured material in drop-weight test was described by the course of deformation and reaction forces over time. Comparable results were obtained for flat loading of dynamic FEM simulation and experiment. Inclusion of production phenomena in simulation led to increased accuracy and compliance with experiment. Tool for testing the effect of geometry change on mechanical properties was created. To achieve more accurate results with puncture load, it is necessary to modify the material model with real material deformation at test sample failure.
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Al-wattar, Tahseen Abdulridha Ali. "Developing equivalent solid model for lattice cell structure using numerical approaches." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1610335304435815.

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Gorondy, Novak Sofia Maria. "Etude du comportement de l'hélium dans les structures cubiques centrées pour les nouvelles générations de réacteurs nucléaires : approche expérimentale dans le cadre de matériaux modèles." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066537/document.

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La présence de l’hélium induite par le fonctionnement des futurs réacteurs à neutrons rapides et à fusion dans les matériaux de cœur peut entrainer une dégradation de leurs propriétés mécaniques (durcissement, gonflement, fragilisation). Pour poursuivre le développement des alliages de structure, il est nécessaire d’acquérir une meilleure compréhension de l’interaction entre l’He et les structures métalliques donc le point en commun est de comporter comme métal de base un élément de cristallographie cubique centrée (CC), notamment le fer et le vanadium.L’implantation ionique d’ions 4He a été utilisée pour simuler les effets d’endommagement liés à l’insertion d’He, la création des défauts ponctuels (lacunes, interstitiels) et la formation des amas hélium-lacunes dans les futurs réacteurs. L’évolution du comportement de l’He dans le fer et le vanadium purs a été mise en évidence tant du point de vue de la nature des sites de piégeage que du point de vue des mécanismes de migration de l’He et de germination et croissance de bulles associés, en s'appuyant sur un couplage original de techniques. Les résultats obtenus mettent en avant une différence de comportement entre les deux métaux CC, bien que certains mécanismes impliqués soient similaires. Les défauts microstructuraux, notamment les joints de grains, et la concentration d’He implantée (fluence) joueront des rôles clés sur le comportement de l’He à haute température.Les données expérimentales acquises couplées avec des méthodes de simulation serviront de point de départ pour développer une approche cinétique et thermodynamique du comportement de l’He dans les éléments constitutifs des alliages d’intérêt nucléaire<br>The presence of helium produced during the operation of future fast reactors and fusion reactors in core structural materials induces a deterioration of their mechanical properties (hardening, swelling, embrittlement).In order to pursue the development of the metallic structural alloys, it is necessary to comprehend the He interaction with the metal lattice thus the point in common is the study of the metallic components with body-centered cubic structure (bcc) of future alloys, such as iron and/or vanadium.Ion implantation of ions 4He was employed with the aim of simulating the damaging effects associated with the helium accumulation, the point defects’ creation (vacancies, self-interstitials) and the He cluster formation in future reactors. Helium evolution in pure iron and pure vanadium has been revealed from the point of view of the trapping sites’ nature and well as the helium migration mechanisms and the nucleation/growth of bubbles. These phenomena were studied by coupling different complementary techniques. Despite of the fact that some mechanisms involved seem to be similar for both bcc metals, the comparison between the helium behavior in iron and vanadium shows certain differences. Microstructural defects, including grain boundaries and implanted helium concentration (dose) in both bcc metals will play significant roles on the helium behavior at high temperature.The acquired experimental data coupled with simulation methods contribute to the future development in terms of kinetic and thermodynamic data management of helium behavior in the metal components of the alloys of nuclear interest
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Keerthi, Sandeep. "Low Velocity Impact and RF Response of 3D Printed Heterogeneous Structures." Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1514392165695378.

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DOQUET-DARIDON, VERONIQUE. "Comportement et endommagement de deux aciers a structure cubique centree et cubique a faces centrees, en fatigue oligocyclique, sous chargement multiaxial non-proportionnel." Paris, ENMP, 1989. http://www.theses.fr/1989ENMP0137.

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Precision des mecanismes de durcissement cyclique anormal manifeste par certains materiaux sous chargement non proportionnel, ainsi que des reductions d'endurance qui l'accompagnent. Etude dans le cas de l'acier inoxydable austenitique 316 l et d'un acier doux
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Schneider, Andreas Simon [Verfasser]. "Mechanical properties of small scale BCC metal structures / vorgelegt von Andreas Simon Schneider." Stuttgart : Max-Planck-Inst. für Metallforschung, 2010. http://d-nb.info/1004952171/34.

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Books on the topic "BCC structure"

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Rutkowski, Paweł, ed. Signs and Structures. John Benjamins Publishing Company, 2015. http://dx.doi.org/10.1075/bct.71.

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Nouri, Farid. The Athenian political structure: Fifth and fourth century B.C. University of Edinburgh,Dept. of Politics, 1992.

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Jones, Gwyn. Structured program design: With BBC and other BASICS. Hodder and Stoughton, 1985.

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Thucydides' war narrative: A structural study. University of California Press, 2005.

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Structure and scale in the Roman economy. Cambridge University Press, 1990.

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Davis, H. Craig. Structural differences between the Vancouver, Victoria, & interior regional economies of B.C. School of Community and Regional Planning, University of British Columbia, 1989.

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Yŏn'guwŏn, Han'guk Chŏnja T'ongsin. BcN chŏndalmang mit sŏbisŭ kujo p'yojun kaebal e kwanhan yŏn'gu =: A study on the standardization development on BcN transport network and service structure. Chŏngbo T'ongsinbu, 2007.

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Final judgments: Duty and emotion in Roman wills, 200 B.C.-A.D. 250. University of California Press, 1991.

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Craigdarroch: The story of Dunsmuir Castle. Orca Book Publishers, 1987.

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Early Buddhist architecture in context: The great stūpa at Amarāvatī (ca. 300 BCE-300 CE). Brill, 2012.

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Book chapters on the topic "BCC structure"

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Xu, Ying, Zhili He, Maoshu Zeng, Hong Yuan, and Weina Hao. "Research of Novel BCC Signal Structure." In Lecture Notes in Electrical Engineering. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46635-3_6.

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Bai, He, Changjun Hu, Xinfu He, Boyao Zhang, and Jue Wang. "Crystal MD: Molecular Dynamic Simulation Software for Metal with BCC Structure." In Communications in Computer and Information Science. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0457-5_23.

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Panin, Viktor E., Valery E. Egorushkin, and Natalya S. Surikova. "Influence of Lattice Curvature and Nanoscale Mesoscopic Structural States on the Wear Resistance and Fatigue Life of Austenitic Steel." In Springer Tracts in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_11.

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AbstractThe gauge dynamic theory of defects in a heterogeneous medium predicts the nonlinearity of plastic flow at low lattice curvatureand structural turbulence with the formation of individual dynamic rotations at high curvature of the deformed medium. The present work is devoted to the experimental verification of the theoretical predictions. Experimentally studied are the influence of high-temperature radial shear rolling and subsequent cold rolling on the internal structure of metastable Fe–Cr–Mn austenitic stainless steel, formation of nonequilibrium ε- and α′-martensite phases, appearance of dynamic rotations on fracture surfaces, fatigue life in alternating bending, and wear resistance of the material. Scratch testing reveals a strong increase in the damping effect in the formed hierarchical mesosubstructure. The latter is responsible for a nanocrystalline grain structure in the material, hcp ε martensite and bcc α′ martensite in grains, a vortical filamentary substructure on the fracture surface as well as for improved high-cycle fatigue and wear resistance of the material. This is related to a high concentration of nanoscale mesoscopic structural states, which arise in lattice curvature zones during high-temperature radial shear rolling combined with smooth-roll cold rolling. These effects are explained by the self-consistent mechanical behavior of hcp ε-martensite laths in fcc austenite grains and bcc α′-martensite laths that form during cold rolling of the steel subjected to high-temperature radial shear rolling.
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Zolnikov, Konstantin P., Dmitrij S. Kryzhevich, and Aleksandr V. Korchuganov. "Regularities of Structural Rearrangements in Single- and Bicrystals Near the Contact Zone." In Springer Tracts in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_14.

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AbstractThe chapter is devoted to the analysis of the features of local structural rearrangementsin nanostructured materialsunder shear loadingand nanoindentation. The study was carried out using molecular dynamics-based computer simulation. In particular, we investigated the features of symmetric tilt grain boundary migration in bcc and fcc metals under shear loading. The main emphasis was on identifying atomic mechanisms responsible for the migration of symmetric tilt grain boundaries. We revealed that grain boundaries of this type can move with abnormally high velocities up to several hundred meters per second. The grain boundary velocity depends on the shear rate and grain boundary structure. It is important to note that the migration of grain boundary does not lead to the formation of structural defects. We showed that grain boundary moves in a pronounced jump-like manner as a result of a certain sequence of self-consistent displacements of grain boundary atomic planes and adjacent planes. The number of atomic planes involved in the migration process depends on the structure of the grain boundary. In the case of bcc vanadium, five planes participate in the migration of the Σ5(210)[001] grain boundary, and three planes determine the Σ5(310)[001] grain boundary motion. The Σ5(310)[001] grain boundary in fcc nickel moves as a result of rearrangements of six atomic planes. The stacking order of atomic planes participating in the grain boundary migration can change. A jump-like manner of grain boundary motion may be divided into two stages. The first stage is a long time interval of stress increase during shear loading. The grain boundary is motionless during this period and accumulates elastic strain energy. This is followed by the stage of jump-like grain boundary motion, which results in rapid stress drop. The related study was focused on understanding the atomic rearrangements responsible for the nucleation of plasticity near different crystallographic surfaces of fcc and bcc metals under nanoindentation. We showed that a wedge-shaped region, which consists of atoms with a changed symmetry of the nearest environment, is formed under the indentation of the (001) surface of the copper crystallite. Stacking faults arise in the (111) atomic planes of the contact zone under the indentation of the (011) surface. Their escape on the side free surface leads to a step formation. Indentation of the (111) surface is accompanied by nucleation of partial dislocations in the contact zone subsequent formation of nanotwins. The results of the nanoindentation of bcc iron bicrystal show that the grain boundary prevents the propagation of structural defects nucleated in the contact zone into the neighboring grain.
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Heinrich, B., Z. Celinski, J. F. Cochran, and M. From. "Bilinear and Biquadratic Exchange Coupling in BCC Fe/Cu/Fe Trilayers. Exchange Coupling in Fe Whisker/Cr/Fe(001) Structures." In Magnetism and Structure in Systems of Reduced Dimension. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4899-1519-1_16.

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Castro, Miguel, Fernando Estrada, and Vicente Soria. "An Algorithm in Direct Space for the Local Electronic Structure of Ferromagnetic Phases: Co(bcc) and Ni(fcc)." In Density Functional Methods in Chemistry. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-3136-3_18.

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Chen, Li Qun, and Zheng Chen Qiu. "Electronic structure and doping effect of Ni and Co in the kink on the edge dislocation of bcc iron." In Defect and Diffusion Forum. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-37-x.37.

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Chung, Alex. "BCB Structure." In Chinese Criminal Entrepreneurs in Canada, Volume I. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05132-7_7.

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Kassim, Dg H., A. Putra, M. F. S. Che Hamid, and Mohd Rizal Alkahari. "Sound Absorption of BCC Lattice Structures." In Proceedings of the 6th International Conference and Exhibition on Sustainable Energy and Advanced Materials. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4481-1_8.

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Dvurečenskij, Anatolij, and Sylvia Pulmannová. "BCK-algebras." In New Trends in Quantum Structures. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-017-2422-7_6.

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Conference papers on the topic "BCC structure"

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Kryzhevich, Dmitrij S., Aleksandr V. Korchuganov, Konstantin P. Zolnikov, and Sergey G. Psakhie. "Plastic deformation nucleation in BCC crystallites under nanoindentation." In ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4932799.

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Nikonov, A. Yu, A. M. Zharmukhambetova, N. V. Skripnyak, et al. "Calculation of mechanical properties of BCC Ti-Nb alloys." In ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4932855.

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Korchuganov, Aleksandr V. "Free surface damage induced by irradiation of BCC iron." 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/10.1063/1.4966392.

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Kalpana, G., B. Palanivel, and M. Rajagopalan. "Band structure and superconductivity of bcc tellurium under pressure." In High-pressure science and technology—1993. AIP, 1994. http://dx.doi.org/10.1063/1.46422.

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5

Yang, Jian, Qiuwang Wang, and Min Zeng. "Numerical Study of Flow and Heat Transfer in Novel Structure Packed Beds." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88145.

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A forced convection heat transfer inside micro pores of structure packed beds with spherical or ellipsoidal particles are numerically studied in this paper. Three-dimensional Navier-Stokes equations and RNG k-ε turbulence model with scalable wall function are adopted for present computations. The effects of packing form and particle shape are carefully studied and the flow and heat transfer performances in uniform and nonuniform packed beds are also compared in detail. The macroscopic hydrodynamic and heat transfer results are obtained from micro pore cells by using integrating method. The results show that, with the same physical parameters, the pressure drops in structure packed beds are much lower than those in randomly packed beds while the overall heat transfer efficiencies (except SC packing) are much higher. The traditional correlations of flow and heat transfer extracted from randomly packings are unavailable for structured packings, and some modified correlations are obtained. Furthermore, it finds that, with the same particle shape (sphere), the overall heat transfer performance of SC packing is better than that of BCC packing. With the same packing form (BCC), the overall heat transfer performance of spherical particle model is better than that of ellipsoidal particle model and with the same particle shape and packing form (BCC packing with sphere), the overall heat transfer performance of uniform packing is better than that of non-uniform packing.
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6

Korchuganov, Aleksandr V., Konstantin P. Zolnikov, and Dmitrij S. Kryzhevich. "Influence of free surface orientation on plasticity nucleation in BCC metals." In PROCEEDINGS OF THE ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES. Author(s), 2018. http://dx.doi.org/10.1063/1.5083376.

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7

Zolnikov, Konstantin, Dmitrij Kryzhevich, and Aleksandr Korchuganov. "Features of defect nucleation in nanosized crystals with BCC lattice." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5132275.

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8

Sherman, David M. "Electronic structure, entropy and the high-pressure stability of bcc iron." In High-pressure science and technology—1993. AIP, 1994. http://dx.doi.org/10.1063/1.46178.

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9

Dou, YanKun, XinFu He, DongJie Wang, Wu Shi, LiXia Jia, and Wen Yang. "The Study of Nanosized Cu-Mn Precipitates Contribution to Hardening in Bcc Fe Matrix." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66505.

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In order to study the contribution of Mn atoms in Cu precipitates to hardening in bcc Fe matrix, the interactions of a (111){110} edge dislocations with nanosized Cu and Cu-Mn precipitates in bcc Fe have been investigated by using of molecular dynamics. The results indicate that the critical resolved shear stresses (τc) of the Cu-Mn precipitates are larger than that of Cu precipitates. Meanwhile, τc of the Cu-Mn precipitates show a much more significant dependence on temperature and size, compared to Cu precipitates. Mn atoms exhibit strong attractive interaction with &lt;111&gt; crowdion and improve the fraction of transformed atoms from body centred cubic (bcc) phase to face centred cubic (fcc) phase for big size precipitates. Those all lead to the higher resistance to the dislocation glide. The increasing temperature can assist the Cu atoms rearrange back towards a bcc structure, resulting in the rapid decline of τc. Similar to Cu precipitate, Cu-Mn precipitate with equator planes on the dislocation glide plane is proved to be the strongest obstacle. Eventually, these features are confirmed that the appearance of Mn atoms in Cu precipitates greatly facilitates the hardening in bcc Fe matrix.
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10

Menezes, Pradeep L., Kishore, Satish V. Kailas, and Michael R. Lovell. "Factors Influencing Stick-Slip Motion: Effect of Hardness, Crystal Structure and Surface Texture." In ASME/STLE 2011 International Joint Tribology Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ijtc2011-61225.

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In the present investigation, efforts were made to study the different frictional responses of materials with varying crystal structure and hardness during sliding against a relatively harder material of different surface textures and roughness. In the experiments, pins were made of pure metals and alloys with significantly different hardness values. Pure metals were selected based on different class of crystal structures, such as face centered cubic (FCC), body centered cubic (BCC), body centered tetragonal (BCT) and hexagonal close packed (HCP) structures. The surface textures with varying roughness were generated on the counterpart plate which was made of H-11 die steel. The experiments were conducted under dry and lubricated conditions using an inclined pin-on-plate sliding tester for various normal loads at ambient environment. In the experiments, it was found that the coefficient of friction is controlled by the surface texture of the harder mating surfaces. Further, two kinds of frictional response, namely steady-state and stick-slip, were observed during sliding. More specifically, stead-state frictional response was observed for the FCC metals, alloys and materials with higher hardness. Stick-slip frictional response was observed for the metals which have limited number of slip systems such as BCT and HCP. In addition, the stick-slip frictional response was dependent on the normal load, lubrication, hardness and surface texture of the counterpart material. However, for a given kind of surface texture, the roughness of the surface affects neither the average coefficient of friction nor the amplitude of stick-slip oscillation significantly.
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Reports on the topic "BCC structure"

1

Hemker, Kevin J. Characterization of Dislocation Core Structures in BCC Metals. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada443132.

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2

Rudd, R. E., and Timofey Frolov. Structures and Transitions in BCC Tungsten Grain Boundaries and Their Role in the Absorption of Point Deffects. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1466123.

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3

Marassi, Francesca M. Structural Basis for Bcl-2-Regulated Mitochondrion-Dependent Apoptosis. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada429719.

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4

Wang, Shaomeng. Structure-Based Approach for Discovery of Small Molecule Inhibitors Targeted at Bcl-2. Defense Technical Information Center, 2006. http://dx.doi.org/10.21236/ada450680.

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Wang, Shaomeng. Structure-Based Approach for Discovery of Small Molecules Inhibitors Targeted at Bcl-2. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada431973.

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Wang, Shaomeng. Structure-Based Approach for Discovery of Small Molecule Inhibitors Targeted at Bcl-2. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada411478.

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Wang, Shaomeng. Structure-Based Approach for Discovery of Small Molecule Inhibitors Targeted at Bcl-2. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada421629.

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8

Chen, J., J. F. Zasadzinski, K. E. Gray, et al. BCS-like gap structure of HgBa{sub 2}CuO{sub 4+{delta}} tunnel junctions. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10104581.

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9

Mulderink, H., N. Michels, and H. Joestlein. Mechanical and thermal behavior of a prototype support structure for a large silicon vertex detector (BCD). Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5411734.

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10

Evenchick, C. A., P. S. Mustard, J. S. Porter, and C. J. Greig. Regional Jurassic and Cretaceous facies assemblages, and structural geology in Bowser Lake map area [104A], B.C. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/183861.

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