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Artykuły w czasopismach na temat „Frank loops”

Autor: Grafiati

Data publikacji: 14 grudnia 2024

Data aktualizacji: 31 lipca 2025

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1

Suryanto. "Dislocation Generated by Electron Irradiation." Advanced Materials Research 418-420 (December 2011): 744–47. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.744.

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Dislocation loop was generated by electron irradiation in nickel aluminum alloy. It is important to know dislocation characteristics obtained from a high energetic electron irradiation. If b is the Burger vector of a dislocation loop and g is the diffraction vector, dislocation loop will appear larger, smaller or disappear for g.b>0, g.b<0 or g.b=0, respectively. Dislocation loop was determined as follows – first, the appearance of dislocation loops is arranged in observation table. Second, based on type of dislocation loop, Burger vector and diffraction vector, appearance of dislocation

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2

Yang, Yunmin, Hiroaki Abe, and Naoto Sekimura. "Behavior of Frank-loops under stress environment." Physics Letters A 315, no. 3-4 (2003): 293–300. http://dx.doi.org/10.1016/s0375-9601(03)01016-8.

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3

Nogaret, T., C. Robertson, and D. Rodney. "Atomic-scale plasticity in the presence of Frank loops." Philosophical Magazine 87, no. 6 (2007): 945–66. http://dx.doi.org/10.1080/14786430601011497.

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4

Kondo, S., A. Kohyama, and T. Hinoki. "Anisotropic evolution of Frank loops in ion-irradiated silicon carbide." Journal of Nuclear Materials 367-370 (August 2007): 764–68. http://dx.doi.org/10.1016/j.jnucmat.2007.03.085.

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5

Chen, Y., X. Zhang, and J. Wang. "Radiation Enhanced Absorption of Frank Loops by Nanovoids in Cu." JOM 68, no. 1 (2015): 235–41. http://dx.doi.org/10.1007/s11837-015-1689-9.

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6

Jin, Miaomiao, Jilang Miao, Yongfeng Zhang, et al. "Unfaulting mechanisms of interstitial Frank loops in fluorite-structured ThO2." Scripta Materialia 237 (December 2023): 115706. http://dx.doi.org/10.1016/j.scriptamat.2023.115706.

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7

Saka, H. "Defect fine Structures as observed by in situ experiments." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 4 (1990): 458–59. http://dx.doi.org/10.1017/s0424820100175429.

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An in-situ experiment in an electron microscope is now a well established and useful technique in materials science. In this review recent contributions of in-situ experiments, especially of straining and heating experiments, to materials science will be high-lighted.The earlier works have been reviewed by Saka and Imura.It is believed that an external stress gives rise to an anistropy in the rate at which point defects are absorbed by edge dislocations; this mechanism is considered to explain the irradiation creep. A combined in situ tensile/irradiation experiment in a HVEM has been carried o

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8

Wang, Huan Huan, Sha Yan Byrapa, F. Wu, et al. "Basal Plane Dislocation Multiplication via the Hopping Frank-Read Source Mechanism and Observations of Prismatic Glide in 4H-SiC." Materials Science Forum 717-720 (May 2012): 327–30. http://dx.doi.org/10.4028/www.scientific.net/msf.717-720.327.

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In this paper, we report on the synchrotron white beam topographic (SWBXT) observation of “hopping” Frank-Read sources in 4H-SiC. A detailed mechanism for this process is presented which involves threading edge dislocations experiencing a double deflection process involving overgrowth by a macrostep (MP) followed by impingement of that macrostep against a step moving in the opposite direction. These processes enable the single-ended Frank-Read sources created by the pinning of the deflected basal plane dislocation segments at the less mobile threading edge dislocation segments to “hop” from on

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9

Idrissi, Hosni, Stuart Turner, Masatoshi Mitsuhara, et al. "Point Defect Clusters and Dislocations in FIB Irradiated Nanocrystalline Aluminum Films: An Electron Tomography and Aberration-Corrected High-Resolution ADF-STEM Study." Microscopy and Microanalysis 17, no. 6 (2011): 983–90. http://dx.doi.org/10.1017/s143192761101213x.

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AbstractFocused ion beam (FIB) induced damage in nanocrystalline Al thin films has been characterized using advanced transmission electron microscopy techniques. Electron tomography was used to analyze the three-dimensional distribution of point defect clusters induced by FIB milling, as well as their interaction with preexisting dislocations generated by internal stresses in the Al films. The atomic structure of interstitial Frank loops induced by irradiation, as well as the core structure of Frank dislocations, has been resolved with aberration-corrected high-resolution annular dark-field sc

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10

Pezoldt, Jörg, and Andrei Alexandrovich Kalnin. "Defects and Polytype Instabilities." Materials Science Forum 924 (June 2018): 147–50. http://dx.doi.org/10.4028/www.scientific.net/msf.924.147.

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A model based on the generation and recombination of defect was developed to describe the stability of stacking faults and basal plane dislocation loops in crystals with layered polytype structures. The stability of the defects configuration was analysed for stacking faults surrounded by Shockley and Frank partial dislocation as well as Shockley dislocation dipoles with long range elastic fields. This approach allows the qualitative prediction of defect subsystems in polytype structure in external fields.

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11

Fu, L. F., N. L. Okamoto, M. F. Chi, N. D. Browning, H. S. Jung, and C. H. Grein. "Frank dislocation loops in HgTe∕CdTe superlattices on CdTe∕Si(211)B substrates." Journal of Applied Physics 104, no. 2 (2008): 023104. http://dx.doi.org/10.1063/1.2956687.

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12

Chen, J., K. Dang, H. T. Vo, P. Hosemann, and S. J. Fensin. "Associating GB characteristics with its sink efficiency in absorbing Frank loops in Cu." Scripta Materialia 192 (February 2021): 61–66. http://dx.doi.org/10.1016/j.scriptamat.2020.10.006.

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13

Terentyev, D., and A. Bakaev. "Interaction of a screw dislocation with Frank loops in Fe–10Ni–20Cr alloy." Journal of Nuclear Materials 442, no. 1-3 (2013): 208–17. http://dx.doi.org/10.1016/j.jnucmat.2013.08.044.

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14

Tan, Xinze, Enhui Tan, and Lizhi Sun. "Dislocation Dynamics Model to Simulate Motion of Dislocation Loops in Metallic Materials." Metals 12, no. 11 (2022): 1804. http://dx.doi.org/10.3390/met12111804.

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Dislocation dynamics has been an intensive research subject in materials science and engineering due to the significant roles it plays in plastic deformation and the hardening of metals, fracture mechanics, and the fabrication of semiconductor thin films. However, a long-standing problem from the three-dimensional dislocation dynamics is that the motion and interaction of dislocation loops heavily depend on the loop-segment sizes, which substantially reduces the accuracy of simulation. We herein propose a new three-dimensional dislocation dynamics model together with its physical background. T

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15

Yin, Long-Wei, Mu-Sen Li, Jian-Jun Cui, Dong-Sheng Sun, and Zhao-Yin Hao. "Frank dislocation loops related to vacancies in HPHT as-grown synthetic diamond single crystals." Scripta Materialia 45, no. 1 (2001): 13–17. http://dx.doi.org/10.1016/s1359-6462(01)00983-6.

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16

Wurzinger, P., H. Oppolzer, P. Pongratz, and P. Skalicky. "Residual damage after annealing of Be and O implanted GaAs/AlGaAs hetero bipolar transistors." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 4 (1990): 692–93. http://dx.doi.org/10.1017/s0424820100176599.

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Beryllium (2.5·1014/cm2 at 40 keV and 7.5·1014/cm2 at 90 keV) and oxygen (1013/cm2 at 380 keV) were implanted into a GaAs/AlGaAs-HBT (hetero bipolar transistor) to facilitate the formation of an ohmic contact with the p-type base using planar technology. The layer sequence and doping levels of the HBT are listed in table 1. Annealing was performed using optical RTA (rapid thermal anneal) equipment, at 860 °C, for 3 s. Technological data as well as SIMS, electrical, and photoluminescence measurements are published in detail elsewhere. This paper focuses on the residual lattice damage in the ann

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17

Chen, Dongyue, Kenta Murakami, Kenji Dohi, Kenji Nishida, Zhengcao Li, and Naoto Sekimura. "The effects of loop size on the unfaulting of Frank loops in heavy ion irradiation." Journal of Nuclear Materials 529 (February 2020): 151942. http://dx.doi.org/10.1016/j.jnucmat.2019.151942.

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18

Song, S. G., J. I. Cole, and S. M. Bruemmer. "Formation of partial dislocations during intersection of glide dislocations with Frank loops in f.c.c. lattices." Acta Materialia 45, no. 2 (1997): 501–11. http://dx.doi.org/10.1016/s1359-6454(96)00206-6.

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19

Mingler, Bernhard, and H. Peter Karnthaler. "Radiation damage during HRTEM studies in pure Al and Al alloys." International Journal of Materials Research 97, no. 7 (2006): 1041–45. http://dx.doi.org/10.1515/ijmr-2006-0163.

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Abstract During transmission electron microscopy (TEM) investigations of Al alloys, defects caused by the electron irradiation can occur. Since the image contrast of these irradiation defects is similar to that of early stages of precipitates, care is needed to avoid confusion. In the present paper the formation and the coarsening of radiation damage defects were studied by in situ TEM in both, pure Al and Al alloys. High-resolution (HR)TEM images show on an atomic level that the radiation defects are extrinsic Frank loops (some converted into unfaulted prismatic loops); they are distributed h

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20

Wu, Shi, Han Cao, Dong Jie Wang, Li Xia Jia та Yan Kun Dou. "Cascades Damage in γ-Iron from Molecular Dynamics Simulations". Materials Science Forum 993 (травень 2020): 1011–16. http://dx.doi.org/10.4028/www.scientific.net/msf.993.1011.

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The degradation of austenitic stainless steels under irradiation environment is a known problem for nuclear reactors, which starts from atoms displacement cascade. Here, molecular dynamics (MD) simulations have been used to investigate the formation of atomic displacement cascade in γ-iron for energies of the primary knock-on atom (PKA) up to 40 keV at 300 K. The number of Frenkel pairs increased sharply until a peak value was reached, which occurred at a time in the range of 0.1-2 ps. After that, a number of defects gradually decreased and became stabilized. Compared with α-iron, there was le

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21

TERASAKA, Ritsuko. "A study of normal vectorcardiograms employing the Frank lead system: Classification by patterns of QRS loops." Okayama Igakkai Zasshi (Journal of Okayama Medical Association) 99, no. 5-6 (1987): 607–22. http://dx.doi.org/10.4044/joma1947.99.5-6_607.

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22

Terentyev, D., A. Bakaev, and Yu N. Osetsky. "Interaction of dislocations with Frank loops in Fe–Ni alloys and pure Ni: An MD study." Journal of Nuclear Materials 442, no. 1-3 (2013): S628—S632. http://dx.doi.org/10.1016/j.jnucmat.2013.01.328.

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23

Rodney, David. "Molecular dynamics simulation of screw dislocations interacting with interstitial frank loops in a model FCC crystal." Acta Materialia 52, no. 3 (2004): 607–14. http://dx.doi.org/10.1016/j.actamat.2003.09.044.

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Vagholkar, Ketan, and Khizer Doctor-Ganju. "Abdominal cocoon: a surgical challenge." International Surgery Journal 5, no. 12 (2018): 4090. http://dx.doi.org/10.18203/2349-2902.isj20184713.

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Encapsulating peritoneal sclerosis (EPS) or sclerosing peritonitis best described as abdominal cocoon is a complex syndrome characterized by formation of a thick fibrocollagenous membrane that totally encloses the small intestinal loops. The etiology is varied and multifactorial. This complex disease is usually associated with continuous peritoneal dialysis (PD), tuberculosis, post renal transplant, or with long term use of beta blockers. A few cases may even be idiopathic in origin. The pathogenesis is attributed to conversion of epithelial cells from the peritoneal lining to mesenchymal cell

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25

ZANNOLI, ROMANO, IVAN CORAZZA, PAOLA CACCIAFESTA, and ANGELO BRANZI. "EVALUATING THE MECHANICAL BEHAVIOR OF A VENTRICULAR SIMULATOR." Journal of Mechanics in Medicine and Biology 05, no. 02 (2005): 369–73. http://dx.doi.org/10.1142/s0219519405001503.

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The mechanical performance of a ventricular simulator was characterized by recording Pressure-Volume loops for different preload and afterload conditions. The End Systolic Pressure-Volume Relationship was drawn to demonstrate a "physiological" behaviour. The external work of the artificial ventricle was calculated by the P-V loop area and the presence of the Frank–Starling mechanism was demonstrated. The P-V loop was obtained by recording the internal pressure and by integrating the flow signal recorded at the orifice of the artificial ventricular chamber. The preload was modified by increasin

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26

Burle, Nelly, Bernard Pichaud, V. I. Vdovin, and M. M. Rzaev. "Very First Relaxation Steps in Low Temperature Buffer Layers SiGe/Si Heterostructures Studied by X-Ray Topography." Solid State Phenomena 131-133 (October 2007): 77–82. http://dx.doi.org/10.4028/www.scientific.net/ssp.131-133.77.

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First relaxation stages in Si1-x Gex layers on Si substrates are induced by annealing of metastable, low-temperature buffer layer samples and observed by X-ray topography (XRT). This method allows observing large area (several square millimetres) of a sample and reveals very low densities of defects, located in the layer as well as in the substrate. It allow to follow the evolution of the very first steps of the relaxation, starting with dislocation crosses which were characterized and evolving to misfit dislocation network by very low increases of thermal budget. It is proposed a nucleation m

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27

Fukumoto, Ken-ichi, Kohei Umehara, and Kiyohiro Yabuuchi. "Dynamic Interaction between Dislocation and Irradiation-Induced Defects in Stainless Steels during Tensile Deformation." Metals 12, no. 5 (2022): 762. http://dx.doi.org/10.3390/met12050762.

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A series of in-situ transmission electron microscopy (TEM) observations during tensile deformation were conducted on the ion-irradiated stainless steel. The jerky motion of dislocations appeared, and dislocations were pinned and depinned at the defects through the in-situ TEM observation. The jump distance traveled by dislocation was measured and discussed as the mean interval of defects interacting with the dislocation motion. Microstructural information of irradiation defects such as obstacle interval was obtained by TEM and atom probe tomography (APT), and the type of pinning site was ident

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28

Starenchenko, Vladimir A., Dmitry N. Cherepanov, Olga V. Selivanikova, and Elena A. Barbakova. "Formation of Shear Zone's Defect Structure in F.C.C. Metals." Advanced Materials Research 1084 (January 2015): 26–29. http://dx.doi.org/10.4028/www.scientific.net/amr.1084.26.

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As a result of the work of Frank-Read dislocation source the shear zone is formed. It is filled with deformation defects forming as a consequence of the dynamic features of the motion of dislocation loops and due to the interaction of shear forming dislocations with dislocations of non-coplanar slip systems. The accumulation of jogs on screw segments leads to the fact that the edge segments are moving faster than the screw segments so the shear zone is swept out generally by screw segments. The expressions of the intensities of the deformation defects accumulation in shear zones are given in t

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DIAO Sizhe, ZHANG Yifan, ZHAO Fangqian, et al. "In-situ study of defect evolution and calculation of defect migration energy in FeCoCrNiAl<sub>0.3</sub> high-entropy alloy under high-energy electron irradiation." Acta Physica Sinica 74, no. 7 (2025): 0. https://doi.org/10.7498/aps.74.20241481.

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The sluggish diffusion and severe lattice distortion effects in high-entropy alloys (HEAs) theoretically impede the movement of radiation-induced point defects, thereby effectively suppressing the formation of larger defect clusters and ultimately enhancing the radiation resistance of materials. Current research on the radiation resistance of HEAs primarily concentrates on the qualitative analysis of the migration behaviors of radiation-induced defects, while the quantitative research on the energy barriers of the migration behavior of point defects is still limited. As a representative HEA sy

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Zhu, Zhenbo, Hefei Huang, Awen Liu, and Zhiyong Zhu. "Quantitative characterization of frank loops and their effects on the plastic degradation in heavy ion irradiated alloy 800H." Materials Science and Engineering: A 832 (January 2022): 142501. http://dx.doi.org/10.1016/j.msea.2021.142501.

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Baudouin, Jean-Baptiste, Akiyoshi Nomoto, Michel Perez, Ghiath Monnet, and Christophe Domain. "Molecular dynamics investigation of the interaction of an edge dislocation with Frank loops in Fe–Ni10–Cr20 alloy." Journal of Nuclear Materials 465 (October 2015): 301–10. http://dx.doi.org/10.1016/j.jnucmat.2015.05.030.

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Kadoyoshi, Tomoko, Hideo Kaburaki, Futoshi Shimizu, Hajime Kimizuka, Shiro Jitsukawa, and Ju Li. "Molecular dynamics study on the formation of stacking fault tetrahedra and unfaulting of Frank loops in fcc metals." Acta Materialia 55, no. 9 (2007): 3073–80. http://dx.doi.org/10.1016/j.actamat.2007.01.010.

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Sharma, Lalit, Sonam Sharma, and Maninderjit Sidhu. "Sigmoid Volvulus Leading to Intestinal Obstruction with Respiratory Distress." Indian Journal of Colo-Rectal Surgery 7, no. 2 (2024): 31–33. https://doi.org/10.4103/ijcs.ijcs_6_24.

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ABSTRACT Sigmoid volvulus is third leading cause of intestinal obstruction in which sigmoid colon rotated among its own mesentery, especially in elderly patients. Patients can present with variable clinical states: from asymptomatic to frank peritonitis secondary to colonic perforation. We report the case of 60-year-old male presented to surgical emergency with complain of abdominal pain, abdominal distension and respiratory distress. Patient presented in septic shock state with deranged liver function and kidney function. Radiograph shows dilated bowel loops with classical coffee bean sign pu

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Li, Yipeng, Guang Ran, Qing Han, Yong Xin, Xinyi Liu, and Xiaoqiu Ye. "In-situ TEM investigation of unfaulting behavior of Frank loops in FCC Pd during H2+ & He+dual-beam irradiation." Scripta Materialia 203 (October 2021): 114047. http://dx.doi.org/10.1016/j.scriptamat.2021.114047.

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Popov, L. E., M. I. Slobodsky, and T. N. Golosova. "Computer Simulation of the Generation of Dislocation Loops by a Frank-Read Source in the Filed of Randomly Situated Obstacles." Materials Science Forum 62-64 (January 1991): 723–24. http://dx.doi.org/10.4028/www.scientific.net/msf.62-64.723.

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Drozdova, Anna, Alexander Nyavro, and Lyudmila Kveglis. "Investigation on the Origin of Magnetization in Plastically Deformed NI₅₁TI₄₉ Alloy." Key Engineering Materials 743 (July 2017): 13–18. http://dx.doi.org/10.4028/www.scientific.net/kem.743.13.

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The article deals with the investigation of structure and magnetic properties of plastically deformed Ni51Ti49 alloy. The magnetic hysteresis loops confirm the presence of ferromagnetic properties in the alloy. The transmission electron microscopy (TEM) detects the appearance of lenticular crystals with bending contours which indicate the large distortion of the crystal lattice. The crystal lattice curvature occurs due to the large atom displacement. As a result, icosahedral clusters with the Frank-Kasper (FK) structure can be formed. The spin-polarized density of electron states and the magne

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37

Wang, Yong, Tongmin Zhang, Qing Liao, et al. "Comparison between Subsequent Irradiation and Co-Irradiation into SIMP Steel." Materials 14, no. 6 (2021): 1393. http://dx.doi.org/10.3390/ma14061393.

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A modern Chinese ferritic/martensitic steel SIMP, is a new perspective nuclear structural material for the spallation target in accelerator driven sub-critical system. In this work, aimed at exploring the radiation resistance properties of this material, we investigate the differences between simultaneous Fe and He ions irradiation and He implantation of SIMP steel pre-irradiated by Fe self-ions. The irradiations were performed at 300 °C. The radiation-induced hardening was evaluated by nano-indentation, while the lattice disorder was investigated by transmission electron microscopy. Clear dif

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Dupraz, Maxime, Guillaume Beutier, David Rodney, Dan Mordehai, and Marc Verdier. "Signature of dislocations and stacking faults of face-centred cubic nanocrystals in coherent X-ray diffraction patterns: a numerical study." Journal of Applied Crystallography 48, no. 3 (2015): 621–44. http://dx.doi.org/10.1107/s1600576715005324.

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Crystal defects induce strong distortions in diffraction patterns. A single defect alone can yield strong and fine features that are observed in high-resolution diffraction experiments such as coherent X-ray diffraction. The case of face-centred cubic nanocrystals is studied numerically and the signatures of typical defects close to Bragg positions are identified. Crystals of a few tens of nanometres are modelled with realistic atomic potentials and `relaxed' after introduction of well defined defects such as pure screw or edge dislocations, or Frank or prismatic loops. Diffraction patterns ca

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Falahati, Ahmad, Peter Lang, and Ernst Kozeschnik. "Precipitation in Al-Alloy 6016 – The Role of Excess Vacancies." Materials Science Forum 706-709 (January 2012): 317–22. http://dx.doi.org/10.4028/www.scientific.net/msf.706-709.317.

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6xxx Al alloys owe their superior mechanical properties to the precipitation of finely dispersed metastable β´´ precipitates. These particles are formed in the course of optimized heat treatments, where the desired microstructure is generated in a sequence of precipitation processes going from MgSi co-clusters and GP zones to β´´ and β´ precipitates and finally to the stable β and Si diamond phases. The entire precipitation sequence occurs at relatively low temperatures (RT to approx. 200 °C) and is mainly controlled by the excess amount of quenched-in vacancies, which drive the diffusional pr

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40

Rebhi, Atef, Thabet Makhlouf, Jean Philippe Couzine, Yannick Champion, and Nabil Njah. "TEM and DSC Investigation of the Recovery of a Recycled Aluminum Processed by Equal Channel Angular Extrusion." Materials Science Forum 667-669 (December 2010): 451–56. http://dx.doi.org/10.4028/www.scientific.net/msf.667-669.451.

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TEM investigation was performed on a recycled aluminum processed by Equal Channel Angular Extrusion. The aluminum contains many inclusions which were identified to be rich in iron and silicon.This has a substantial effect in dragging recovery. ECAE was performed via routes B and C using a die formed by two channels characterized by the well defined angles =90° and  = 90°. The evolution of the microstructure seems to be similar whether using route B or C. a high dislocation density was introduced since the first passage together with a high density of Frank dislocation loops. The latter are d

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41

Landesberg, A. "End-systolic pressure-volume relationship and intracellular control of contraction." American Journal of Physiology-Heart and Circulatory Physiology 270, no. 1 (1996): H338—H349. http://dx.doi.org/10.1152/ajpheart.1996.270.1.h338.

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The left ventricular (LV) pressure-volume relationship and the effect of ejection on pressure generation are predicted theoretically based on the intracellular control mechanisms. The control of contraction is described based on coupling calcium kinetics and cross-bridge cycling. The analysis of published skinned and intact cardiac muscle data suggests two feedback control loops: 1) a positive cooperative mechanism that determines the force-length relationship, the length dependence calcium sensitivity of the contractile filaments, and the related Frank Starling law; and 2) a negative mechanic

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42

You, Guoqiang, Haipeng Lin, Yanfeng Qu, Jie Hao, Suyuan You, and Bingsheng Li. "Investigation of Exfoliation Efficiency of 6H-SiC Implanted Sequentially with He+ and H2+ Ions." Materials 15, no. 8 (2022): 2941. http://dx.doi.org/10.3390/ma15082941.

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Silicon carbide (SiC) is a promising material used in the advanced semiconductor industry. Fabricating SiC-on-insulator via H implantation is a good method. He and H co-implantation into Si can efficiently enhance exfoliation efficiency compared to only H implantation. In this study, 6H-SiC single crystals were implanted with He+ and H2+ dual beams at room temperature, followed by annealing at 1100 °C for 15 min, and irradiations with 60 keV He ions with a fluence of 1.5 × 1016 ions/cm−2 or 5.0 × 1016 ions/cm−2 and 100 keV H2+ ions with a fluence of 5 × 1016 ions/cm−2 were carried out. The lat

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Chow, E., L. Foppiano, and D. J. Farrar. "Regional contractile performance during acute ischemia in porcine right ventricle." American Journal of Physiology-Heart and Circulatory Physiology 263, no. 1 (1992): H135—H140. http://dx.doi.org/10.1152/ajpheart.1992.263.1.h135.

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Studies of regional ischemia in the canine left ventricle (LV) have shown augmented systolic segmental shortening in nonischemic regions. To characterize these responses in the right ventricle (RV), acute occlusions of the right coronary artery (RCAO) were produced in anesthetized pigs. Orthogonal pairs of ultrasonic segment-length crystals were implanted in the mid-RV free wall (ischemic region) and in the outflow tract (nonischemic region). RV pressure-area work loops were generated during inferior vena caval occlusions, and both slope (M) of the preload recruitable stroke work relationship

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Costello, John M., Mjaye L. Mazwi, Mary E. McBride, Katherine E. Gambetta, Osama Eltayeb, and Conrad L. Epting. "Critical care for paediatric patients with heart failure." Cardiology in the Young 25, S2 (2015): 74–86. http://dx.doi.org/10.1017/s1047951115000864.

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AbstractThis review offers a critical-care perspective on the pathophysiology, monitoring, and management of acute heart failure syndromes in children. An in-depth understanding of the cardiovascular physiological disturbances in this population of patients is essential to correctly interpret clinical signs, symptoms and monitoring data, and to implement appropriate therapies. In this regard, the myocardial force–velocity relationship, the Frank–Starling mechanism, and pressure–volume loops are discussed. A variety of monitoring modalities are used to provide insight into the haemodynamic stat

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Smith, Tara B. M. "The Ox’s Tail." Journal for the Academic Study of Religion 37, no. 3 (2024): 320–38. http://dx.doi.org/10.1558/jasr.27044.

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Frank Herbert’s Dune novels are suffused with Zen concepts that support his belief in ecology in two major ways. Firstly, Herbert’s reflections on the novels in key interviews make explicit that he consciously uses the trope of Zen philosophy to explore and prosecute the case for environmentalism and ecology. And secondly, the series is replete with structural elements and literary motifs that are a homage to core Zen teachings and reinforce the ecological themes of the work. Thematic explorations of the importance of balance between the spiritual and physical elements of human life are repres

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Fan, Pengfei, Nirmal Kumar Katiyar, Xiaowang Zhou, and Saurav Goel. "Uniaxial pulling and nano-scratching of a newly synthesized high entropy alloy." APL Materials 10, no. 11 (2022): 111118. http://dx.doi.org/10.1063/5.0128135.

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Multicomponent alloys possessing nanocrystalline structure, often alluded to as Cantor alloys or high entropy alloys (HEAs), continue to attract the great attention of the research community. It has been suggested that about 64 elements in the periodic table can be mixed in various compositions to synthesize as many as ∼108 different types of HEA alloys. Nanomechanics of HEAs combining experimental and atomic simulations are rather scarce in the literature, which was a major motivation behind this work. In this spirit, a novel high-entropy alloy (Ni25Cu18.75Fe25Co25Al6.25) was synthesized usin

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Darnell, Regna. "A Zuni Artist Looks at Frank Hamilton Cushing:A Zuni Artist Looks at Frank Hamilton Cushing." Journal of Linguistic Anthropology 6, no. 1 (1996): 110–11. http://dx.doi.org/10.1525/jlin.1996.6.1.110.

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Mazewski, Candice, Frank Eckerdt, Aneta Baran, et al. "Abstract 3281: DNMT targeting enhances vulnerability of glioblastoma cells to MNK inhibition." Cancer Research 82, no. 12_Supplement (2022): 3281. http://dx.doi.org/10.1158/1538-7445.am2022-3281.

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Abstract Many factors complicate therapeutic strategies for glioblastoma (GBM), including the existence of the blood brain barrier and a heterogenous population of difficult to treat glioma stem cells. Innovative strategies targeting novel pathways alone or in combination are needed for sustainable therapeutic improvements. The MAPK pathway has been implicated in many cancers. MAPK interacting kinases (MNK1 and MNK2) are downstream of MAPKs and phosphorylate the eukaryotic translation initiation factor 4E (eIF4E), a protein involved in translation of oncogenic mRNAs. We have previously establi

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Hughte, Phil. "A Zuni Artist Looks at Frank Hamilton Cushing." American Anthropologist 97, no. 1 (1995): 10–13. http://dx.doi.org/10.1525/aa.1995.97.1.02a00030.

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REVELY-CALDER, CAL. "Frank O'Hara in Transit." Journal of American Studies 52, no. 3 (2017): 716–37. http://dx.doi.org/10.1017/s0021875817000913.

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The poetry of Frank O'Hara (1926–66) takes place in the routes of New York City, both above and below the ground. This essay looks at the characteristics of his poetic lines, and some of the ways they invest themselves in each other, interacting complexly through rhymes and line breaks that we may struggle to negotiate. Then, broadening outwards to consider urban topographies and the experience of inhabiting the avenues of Manhattan, it discusses how the lines of a poem might relate to the lines of a subway system or street grid, and considers how O'Hara's poetry opens our attention, and our g

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