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  • 2020-2024  (50)
  • 2005-2009  (312)
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  • 1
    Online Resource
    Online Resource
    Microbial Photosynthesis (2020)
    Singapore :Springer Nature Singapore :
    Details
    Keywords: Plant physiology. ; Water. ; Hydrology. ; Microbial ecology. ; Microbiology. ; Botanical chemistry. ; Plant Physiology. ; Water. ; Microbial Ecology. ; Microbiology. ; Plant Biochemistry.
    Description / Table of Contents: Part 1. Photosynthesis and Energy Transfer -- Chapter 1. Molecular mechanism of photosynthesis driven by red-shifted chlorophylls -- Chapter 2. Cyanobacterial NDH-1-photosystem I supercomplex -- Chapter 3. Recent progress on the LH1-RC complexes of purple photosynthetic bacteria -- Chapter 4. Composition, organisation, and function of purple photosynthetic machinery -- Chapter 5. Redox potentials of quinones in aqueous solution: Relevance to redox potentials in protein environments -- Chapter 6. Photosynthesis in Chlamydomonas reinhardtii: what we have learned so far? -- Part 2. Photosynthesis and the Environment -- Chapter 7. Photosynthetic performances of marine microalgae under influences of rising CO2 and solar UV radiation -- Chapter 8. Acquisition of Inorganic Carbon by Microalgae and Cyanobacteria -- Chapter 9. Circadian Clocks in Cyanobacteria -- Chapter 10. Iron Deficiency in Cyanobacteria -- Chapter 11. Adaptive Mechanisms of the Model Photosynthetic Organisms, Cyanobacteria, to Iron Deficiency -- Chapter 12. The roles of sRNAs in regulating stress responses in cyanobacteria -- Part 3. Artificial Photosynthesis and Light-driven Biofactory -- Chapter 13. Mimicking the Mn4CaO5-cluster in Photosystem II -- Chapter 14. Photosynthetic improvement of industrial microalgae for biomass and biofuel production -- Chapter 15. Self-assembly, organisation, regulation, and engineering of carboxysomes: CO2-fixing prokaryotic organelles. .
    Abstract: As the largest scale chemical reaction, photosynthesis supplies all of the organic carbon and oxygen for life on Earth. It is estimated that the photosynthetic activity of microorganisms is responsible for more than 50% of the primary production of molecular oxygen on Earth. This book highlights recent breakthroughs in the multidisciplinary areas of microbial photosynthesis, presenting the latest developments in various areas of microbial photosynthesis research, from bacteria to eukaryotic algae, and from theoretical biology to structural biology and biophysics. Furthermore, the book discusses advances in photosynthetic chassis, such as in the context of metabolic engineering and green chemical production. Featuring contributions by leading authorities in photosynthesis research, the book is a valuable resource for graduate students and researchers in the field, especially those studying biological evolution and the origin of life. .
    Type of Medium: Online Resource
    Pages: VIII, 343 p. 83 illus., 70 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9789811531101
    URL: https://doi.org/10.1007/978-981-15-3110-1
    DOI: 10.1007/978-981-15-3110-1
    DDC: 571.2
    Language: English
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    E-BOOKS (AWI ONLY)
  • 2
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    Optical Communications and Networking: Prospects in Industrial Applications (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
    Details
    Publication Date: 2024-04-11
    Description: In the past few decades, the optical communication industry has explored multiple degrees of freedom of the photon, such as time, wavelength, amplitude, phase, polarization, and space, to significantly reduce the cost/bit of data transmission by increasing the capacity per fiber through multiplexing technology and by reducing the size and power through electronic and photonic integration. This book aims to explore the latest advancements in this industry, including the technologies in devices, systems, and network levels with applications from short-reach chip-to-chip interconnections to long-haul backbone communications at the trans-oceanic distance.
    Keywords: TA1-2040 ; T1-995 ; dimming control ; n/a ; signal-to-noise ratio (SNR) ; encoding/decoding algorithm ; semiconductor optical amplifier (SOA) ; LDPC coding ; equalization enhanced phase noise (EEPN) ; quadrature amplitude modulation ; VLC ; satellite-to-sea laser communication ; phase noise cancellation (PNC) ; block code ; radio frequency (RF) pilot tone ; visible light communications (VLC) ; coherent optical fiber communication ; geometric shaping ; hybrid optical network-on-chip (HONoC) ; laser phase noise (LPN) ; optical communication ; mutual information ; acquisition ; 400G Ethernet ; digital signal processing ; pulse amplitude modulation ; crosstalk noise ; insertion loss ; optical communications ; tracking and pointing ; constellation shaping ; optical orthogonal frequency division multiplexing (O-OFDM) ; fiber optics ; carrier phase recovery (CPR) ; nyquist pulse shaping ; fiber-optic communications ; pointing error model ; client-side optics ; DWDM system ; pulse width modulation (PWM) ; CFP8-LR8 transceiver ; probabilistic shaping ; shipborne ATP ; generalized mutual information ; coherent communications ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
    Format: application/octet-stream
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    E-BOOK
  • 3
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    Impact of Cyclonic Wind Anomalies Caused by Massive Winter Sea Ice Retreat in the Barents Sea on Atlantic Water Transport Toward the Arctic: A Model Study (2023)
    Details
    Publication Date: 2023-12-05
    Description: The Arctic is warming much faster than the global average. This is known as Arctic Amplification and is caused by feedbacks in the local climate system. In this study, we explore a previously proposed hypothesis that an associated wind feedback in the Barents Sea could play an important role by increasing the warm water inflow into the Barents Sea. We find that the strong recent decrease in Barents Sea winter sea ice cover causes enhanced ocean‐atmosphere heat flux and a local air temperature increase, thus a reduction in sea level pressure and a local cyclonic wind anomaly with eastward winds in the Barents Sea Opening. By investigating various reanalysis products and performing high‐resolution perturbation experiments with the ocean and sea ice model FESOM2.1, we studied the impact of cyclonic atmospheric circulation changes on the warm Atlantic Water import into the Arctic via the Barents Sea and Fram Strait. We found that the observed wind changes do not significantly affect the warm water transport into the Barents Sea, which rejects the wind‐feedback hypothesis. At the same time, the cyclonic wind anomalies in the Barents Sea increase the amount of Atlantic Water recirculating westwards in Fram Strait by a downslope shift of the West Spitsbergen Current, and thus reduce Atlantic Water reaching the Arctic basin via Fram Strait. The resulting warm‐water anomaly in the Greenland Sea Gyre drives a local anticyclonic circulation anomaly.
    Description: Plain Language Summary: The Barents Sea has been experiencing a rapid decrease in its winter sea ice extent during the last 30 years. The loss of sea ice creates new areas where, in winter, the relatively warm ocean loses heat to the cold atmosphere. As warm air rises, the warming reduces the sea level air pressure, changing the atmospheric circulation to develop a local anticlockwise wind system centered over the northern Barents Sea. The associated eastward winds in the Barents Sea Opening and southeastward winds in Fram Strait affect how warm water from the North Atlantic moves toward the Arctic. There has been a long debate on whether this wind anomaly can increase the warm Atlantic Water transport into the Barents Sea and thus cause a positive feedback mechanism for further reducing the sea ice through melting. We find that the observed atmospheric circulation changes have no significant impact on the Barents Sea warm water inflow and thus reject the wind feedback as a strong player in contributing to Arctic Amplification. However, strong anomalous southeastward winds in Fram Strait and the northern Nordic Seas cause a southward shift of the warm Atlantic Water recirculation and reduce its flow toward the Arctic.
    Description: Key Points: A hypothesis that a wind feedback contributes to Arctic Amplification is rejected by performing dedicated wind perturbation simulations. Winter sea ice retreat in the northern Barents Sea causes anomalous cyclonic winds by locally enhancing ocean heat loss. Anomalous cyclonic winds result in less Atlantic Water transport through Fram Strait.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Description: North‐German Supercomputing Alliance
    Description: https://github.com/FESOM/fesom2
    Description: https://doi.org/10.7265/N5K072F8
    Description: https://doi.org/10.5065/D6HH6H41
    Description: https://doi.org/10.5065/D6WH2N0S
    Description: https://github.com/FESOM/pyfesom2
    Description: https://doi.org/10.5281/zenodo.7458143
    Keywords: ddc:551 ; Barents Sea ; Arctic Amplification ; feedback ; Atlantic water ; modeling ; Fram Strait
    Language: English
    Type: doc-type:article
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    CITATION GEO-LEO
  • 4
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    Eddy kinetic energy in the Arctic Ocean from moored velocity observations (2022)
    PANGAEA
    Details
    Publication Date: 2024-01-22
    Description: Mesoscale eddies are important for many aspects of the dynamics of the Arctic Ocean. These include the maintenance of the halocline and the Atlantic Water boundary current through lateral eddy fluxes, shelf-basin exchanges, transport of biological material and sea ice, and the modification of the sea-ice distribution. Here we review what is known about the mesoscale variability and its impacts in the Arctic Ocean in the context of an Arctic Ocean responding rapidly to climate change. In addition, we present the first quantification of eddy kinetic energy (EKE) from moored observations across the entire Arctic Ocean, which we compare to output from an eddy resolving numerical model. We show that EKE is largest in the northern Nordic Seas/Fram Strait and it is also elevated along the shelfbreak of the Arctic Circumpolar Boundary Current, especially in the Beaufort Sea. In the central basins it is 100-1000 times lower. Except for the region affected by southward sea-ice export south of Fram Strait, EKE is stronger when sea-ice concentration is low compared to dense ice cover. Areas where conditions typical in the Atlantic and Pacific prevail will increase. Hence, we conclude that the future Arctic Ocean will feature more energetic mesoscale variability. This table provides (eddy) kinetic energy in the Arctic Ocean calculated from moorings and a numerical model across the entire record and averaged over certain conditions (seasons, ice concentration). The calculations are explained in the manuscript (Eddies and the distribution of eddy kinetic energy in the Arctic Ocean). The used mooring data was compiled from six different sources as listed below and identified in the table based on the Source ID.
    Keywords: 250_MOOR; 293-S1_MOOR; 293-X1_MOOR; 293-X2_MOOR; 293-X3_MOOR; 295-S2_MOOR; A01_MOOR; AK1-1_MOOR; AK2-1_MOOR; AK3-1_MOOR; AK4-1_MOOR; AK5-1_MOOR; AK6-1_MOOR; AK7-1_MOOR; Akademik Tryoshnikov; AM1-91_MOOR; AM2-91_MOOR; AO1-92_MOOR; Arctic Ocean; ARK-XIV/2; ARK-XVIII/1; ARK-XXIX/3; ARK-XXX/1.2; ARK-XXX/2, GN05; ARK-XXXI/4; ATWAIN200_MOOR; AWI_PhyOce; AWI401-1_MOOR; AWI402-1_MOOR; AWI403-1_MOOR; AWI403-2_MOOR; AWI404-1_MOOR; AWI406-1_MOOR; AWI410-2_MOOR; AWI411-2_MOOR; AWI412-4_MOOR; AWI413-4_MOOR; AWI415-1_MOOR; AWI416-1_MOOR; AWI417-1_MOOR; AWI418-1_MOOR; BaffinBay_2_MOOR; BaffinBay_MOOR; BarrowSt_81_MOOR; BarrowSt_C_MOOR; BarrowSt_N_MOOR; BarrowSt_S_MOOR; BarrowSt_SC_MOOR; BarrowSt_Ss_MOOR; BG_a_MOOR; BG_b_MOOR; BG_c_MOOR; BG_d_MOOR; BI3_MOOR; BR1_MOOR; BR2_MOOR; BR3_MOOR; BRA_MOOR; BRB_MOOR; BRG_MOOR; BRK_MOOR; BS2_MOOR; BS3_MOOR; BS4_MOOR; BS5_MOOR; BS6_MOOR; BSO1_MOOR; BSO2_MOOR; BSO3_MOOR; BSO4_MOOR; BSO5_MOOR; C1_MOOR; C2_MOOR; C3_MOOR; C4_MOOR; C5_MOOR; C6_MOOR; CA04_MOOR; CA05_MOOR; CA06_MOOR; CA07_MOOR; CA08_MOOR; CA10_MOOR; CA11_MOOR; CA12_MOOR; CA13_MOOR; CA15_MOOR; CA16_MOOR; CA20_MOOR; CM-1_MOOR; CM-2_MOOR; CS1_MOOR; CS-1A_MOOR; CS2_MOOR; CS-2A_MOOR; CS3_MOOR; CS-3A_MOOR; CS4_MOOR; CS5_MOOR; Depth, bottom/max; Depth, top/min; DEPTH, water; DS_TUBE8_MOOR; Duration; EA1_MOOR; EA2_MOOR; EA3_MOOR; EA4_MOOR; EBC_MOOR; eddies; eddy kinetic energy; Eddy kinetic energy, 2000-2010; Eddy kinetic energy, 2010-2020; Eddy kinetic energy, at depth; Eddy kinetic energy, autumn; Eddy kinetic energy, ice; Eddy kinetic energy, mean; Eddy kinetic energy, model bandpass; Eddy kinetic energy, model online; Eddy kinetic energy, no ice; Eddy kinetic energy, some ice; Eddy kinetic energy, spring; Eddy kinetic energy, summer; Eddy kinetic energy, winter; EGN-1; EGS-1; EGS1-2; EGS2-1; EGS4-1; ELEVATION; F10-1; F1-1; F11_MOOR; F11-2; F12_MOOR; F12-1; F13_MOOR; F13-1; F14_MOOR; F14-1; F15-1; F16-1; F17_MOOR; F2-1; F3-1; F4-1; F5-1; F6-1; F7-1; F8-1; F9-1; FB2b_MOOR; FB6_MOOR; First year of observation; FRAM; FRontiers in Arctic marine Monitoring; FRS782_MOOR; FSC1_MOOR; FSC2_MOOR; FSC3_MOOR; FSC4_MOOR; GS-3_2_MOOR; HG-IV-S-1; High-frequency kinetic energy; HSNE60_MOOR; HudsonBay_MOOR; HudsonStrait_MOOR; I1_MOOR; I2_MOOR; I3_MOOR; IdF1-1; IdF2-1; IdF3-1; IdF4-1; ISWRIG_MOOR; Karasik-2015; KS02_MOOR; KS04_MOOR; KS06_MOOR; KS08_MOOR; KS10_MOOR; KS12_MOOR; KS14_MOOR; L97; LA97/2; Lance; Last year of observation; LATITUDE; LM3_MOOR; LONGITUDE; Low-frequency kinetic energy; M11_MOOR; M12_MOOR; M13_MOOR; M14_MOOR; M15_MOOR; M16_MOOR; M3_MOOR; M5_MOOR; M6_MOOR; M9a_MOOR; MA2B_MOOR; MB1B_MOOR; MB2B_MOOR; MB4B_MOOR; Mean kinetic energy; MOOR; Mooring; Mooring (long time); MOORY; N198_2_MOOR; N198_MOOR; N525_MOOR; N541_MOOR; NABOS_2015_AK1-1, NABOS_2018_AK1-1; NABOS_2015_AK2-1, NABOS_2018_AK2-1; NABOS_2015_AK3-1, NABOS_2018_AK3-1; NABOS_2015_AK4-1, NABOS_2018_AK4-1; NABOS_2015_AK5-1, NABOS_2018_AK5-1; NABOS_2015_AK6-1,NABOS_2018_AK6-1; NABOS_2015_AK7-1, NABOS_2018_AK7-1; NABOS, AT2015; NABOS 2015; Nansen-2015; North Greenland Sea; NPEO_MOOR; NWNA_MOOR; NWNB_MOOR; NWNC_MOOR; NWND_MOOR; NWNE_MOOR; NWNF_MOOR; NWNG_MOOR; NWSB_MOOR; NWSD_MOOR; NWSE_2_MOOR; NWSE_MOOR; OLIK-1_MOOR; OSL2a_MOOR; OSL2f_MOOR; Physical Oceanography @ AWI; Polarstern; PS100; PS100/039-2, PS114_25-1,ARKR02-01; PS100/045-1, PS114_29-2; PS100/047-1, PS114_40-2; PS100/053-1, PS114_36-1; PS100/073-1, PS109_20-1; PS100/106-1, PS114_23-2; PS100/142-1, PS109_139-1; PS100/180-2, PS109_111-1; PS100/181-1, PS109_112-1; PS100/182-1, PS109_113-1; PS100/183-1, PS109_114-1; PS109; PS109_133-1, PS114_52-1; PS109_138-2, PS114_53-1; PS109_148-1, PS114_60-2; PS114; PS52; PS62; PS94; PS99/070-1, PS107_3-1; PS99.2; R071_MOOR; R1-1; R2-1; R290_MOOR; R3-1; R333_MOOR; R356_MOOR; R4-1; R5-1; Reference/source; SS-5_MOOR; StA_MOOR; Station label; Stor_MOOR; Total kinetic energy; V-319_MOOR; Velocity, east; Velocity, north; Vilk_MOOR; WBC_MOOR; WG1_MOOR; WG15_MOOR; WG4_MOOR; Wunsch-NN1_MOOR; Wunsch-NN2_MOOR; Y1_MOOR; Y2_MOOR; YP_MOOR
    Type: Dataset
    Format: text/tab-separated-values, 4806 data points
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    DATA PANGAEA
  • 5
    Electronic Resource
    Electronic Resource
    Application of Electric Addressing Spatial Light Modulator to the Moiré Measurement (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 326-328 (Dec. 2006), p. 147-150 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Based on the principle of moiré techniques, a new method combined with ElectricAddressing SLM technique was proposed. The specimen grating is modulated by the SLM system,and its the frequency can be changed with aid of a 4f Fourier system. The moiré is generated by theoverlapped specimen grating and a reference grating in the Fourier system. Typical test is conductedwith a polyurethane beam. The successful results verify the feasibility of the method, and show itsgood potential of further application to the in-plane deformation measurement
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.326-328.147.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Preparation of Titanium Microfiltration Membrane by Field–Flow Fractionation Deposition (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 534-536 (Jan. 2007), p. 985-988 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The primary aim pursued by the preparation of the separation membrane is to make themembrane thinner as well as have no defects. The field-flow fractionation deposition is a newmolding technology which can overcome the traditional disadvantages, such as multi-preparation, tothe preparation of a great area of the separation membrane with no defects. Therefore the mainingredients which influence the appearance and performance of titanium membrane layers areinvestigated by a scanning electricity mirror (SEM) as well as a porous material testing instrument:powder performance prepared and confected; selection of supporting body; sintering system such astemperature and time. It is shown that the membrane thickness can be controlled at 50μm or so
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.534-536.985.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Microstructure Evolution of AZ31 Magnesium Alloy during Warm Compression Forming (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 539-543 (Mar. 2007), p. 1813-1817 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Warm compression tests of AZ31 Mg alloy were carried out at five temperatures in30°C intervals from 210°C to 330°C. The samples of different thickness which were machinedfrom as-cast and pre-strained AZ31 billets were compressed into thickness 1mm and then cooled inthe air to room temperature. The microstructural evolution of AZ31 Mg alloy was investigatedduring warm compression forming. The results show that all the samples have undergone amicrostructure changes to different scales in the range investigated. The twinning is thepredominant deformation mechanism for magnesium alloys at moderate temperatures and itsoccurrence is dependent on temperature and strain. Microstructural evaluation indicates that themean size of the recrystallised grains decreases with increasing effective strain and temperaturebecause of sufficient dynamic recrystallization. The original grain has significant influence onmicrostructural evolution during warm forming
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.1813.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    Effects of Tool Radius on Formability during Forging of AZ80 Magnesium Alloy Wheel (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 539-543 (Mar. 2007), p. 1696-1700 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.1696.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    Effects of High Gradient Magnetic Fields on Solidified Structures of Non-Magnetic Metals with Different Susceptibilities (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 546-549 (May 2007), p. 1003-1008 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In the present study, the influencing factors such as the intensity and the direction ofgradient magnetic fields, the magnetic susceptibilities of non-magnetic metals on the structures arestudied theoretically and experimentally. In the theoretical analyses, the influences of high gradientmagnetic fields on nucleation and structures are investigated. In the experimental research, highgradient magnetic fields are imposed on paramagnetic material Al and diamagnetic one Sn duringtheir solidification processes. Then the macro- and microstructures of these samples are examinedand the influences of magnetic susceptibilities of metals, the intensity and the direction of highmagnetic fields are analyzed in details. It is found that solidified structures could be refined when themagnetization force and gravity were in the same directions, while the solidified structures could becoarsened and the coarse dendrites grew along the direction of the imposed magnetic fields when thedirections of these two forces were opposite. Those phenomena could be explained from the views ofreduced gravity and elevated gravity effects caused by magnetization force and the convectionsuppression effect caused by high magnetic fields. The results indicate that high magnetic fields canbe applied to control the solidified structures of metals and then improve the quality and theproperties of materials for different purposes
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.546-549.1003.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Control of the Alloying Element Distribution in Al-Alloys by High Magnetic Fields (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 539-543 (Mar. 2007), p. 457-462 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The distribution and solidified structure of alloying elements are important for thequality and the properties of alloys. In the present study, the solidification behavior ofaluminum-rich alloys is studied under various high magnetic field conditions, and theinfluences of uniform and gradient magnetic fields with different intensity and direction on thedistribution and the morphology of solute elements of Al-Cu and Al-Mg alloys are investigated.It is found that because of the differences of the electromagnetic force (Lorentz andmagnetization forces) acting on Cu element and Mg element with different physical propertiesin the matrix, the regularities of distribution for Cu element and Mg element are opposite just inthe intracrystalline and intergranular under high uniform magnetic field condition, and not onlythe content but the distributions of Cu and Mg elements are obviously different under highgradient magnetic field conditions as well. It can be concluded that high magnetic field hasdifferent effect on the solute distribution in alloys with different physical properties such asdensity, susceptibility, conductivity, etc. And the experimental results indicate that it is possibleto control the terminal solubility and morphology of the solute elements in alloys by highmagnetic fields
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.457.pdf
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