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  • 1
    Electronic Resource
    Electronic Resource
    A HREM Study of the 1/1,2/1 and 2/1,1/1 Orthorhombic Approximants in an AlCoNiTb Alloy (1994)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 150-151 (Jan. 1994), p. 247-254 
    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/2011/0528/02/00/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.150-151.247.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Behavior of Hydrogen in Superheated Aluminum and its Alloys Melt (2000)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 331-337 (May 2000), p. 209-214 
    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/2011/0528/02/04/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.331-337.209.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Calibration of Displacement Sensors with High-Precision and Large Measurement Range Using Temporal Speckle Pattern Interferometry (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 326-328 (Dec. 2006), p. 91-94 
    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: In the present study, a real-time calibration method for micro displacement sensors isintroduced, and a calibration system is developed. SPCM, the sequence pulse counting methodpreviously proposed by us, is capable of automatically determining both the larger rangedisplacement and the performance of a sensor, such as the nonlinear error and the displacementsensitivity within a quarter of the light source wavelength. The new calibration system consists of aprogrammable motor driven platform, an out-of-plane sensitive electronic speckle patterninterferometry (ESPI), and a sequence image acquisition system. The platform is used to providedisplacement changes of a moving component and its displacement is measured by the ESPI andcalibrated sensor synchronously. The calibration accuracy of the proposed method is in the submicrometerlevel and the displacement range can be from sub-micrometer to millimeters dependingon the storage capacity of the computer and the correlation property of the interferometer. Threecapacitance-type displacement sensors have been calibrated successfully, whose displacementranges are –300μm to 300μm, –30μm to 30μm, and –3μm to 3μm, respectively
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.326-328.91.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Probe-Type Microforce Sensor for Mirco/Nano Experimental Mechanics (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 33-37 (Mar. 2008), p. 943-948 
    Details
    ISSN: 1662-8985
    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 recent years with the development of MEMS and NEMS, various micro and nano scaleexperiments are required. In general, the smaller the sample, the smaller the force is in themeasurement. But it is difficult to load and measure such small force. We developed a probe-typeloading and force sensor system to measure micro/nano samples. The system employs asemiconductor strain gauge of a cantilever type sensor and a micro manipulator. A highly sensitive,stable sensing cantilever beam made of single crystal silicon is ion implanted to form the P-typeresistor (strain sensor). A tungsten probe with 100 nm radius of curvature was attached to the end ofthe cantilever as the micro loading tip. We constructed the measurement system and investigated itsproperties, such as linearity, dynamic response and stability. We also employed microspeckleinterferometry to calibrate the force sensor. In preliminary experiments, we successfully obtained theforce resolution 0.7 μN and applied our probe-type microforce sensor to calibrate an atomic forcemicroscope (AFM) probe beam and test a single silkworm filament
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.33-37.943.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Synthesis and Characterization of LiFePO〈sub〉4〈/sub〉 (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 58 (Oct. 2008), p. 205-210 
    Details
    ISSN: 1662-8985
    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: A series of lithium iron phosphate /polypyrrole (LiFePO4/PPy) composite powders were synthesized by chemical oxidation method with different doping agent and oxidation agent. The composite powders were characterized by scanning electron microscopy (SEM), Fourier Transform Infrared Spectrum (FTIR), and X-ray diffraction (XRD). The results showed that the composite powders composed of PPy and LiFePO4. And the doping of polypyrrole in LiFePO4 could weaken the XRD intensity of LiFePO4 , but could not destroy its crystallization. With the increase of pyrrole in LiFePO4/ PPy composite powders, the polypyrrole on the surface of LiFePO4 increased and dispersed more homogeneously. Thermogravimetric analysis (TGA) data indicated the heat-stability of LiFePO4/PPy was very good that the composite powders would not oxidate till 300°C in the air flow
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/41/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.58.205.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Microarc Oxidation Coatings Fabricated on Ti〈sub〉3〈/sub〉Al-Based Alloy in Silicate Electrolyte (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 546-549 (May 2007), p. 1769-1772 
    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 ceramic coatings with thickness up to 120 μm were prepared on Ti3Al-based alloy insilicate electrolyte by microarc oxidation method. The morphology, microstructure, composition andphase constituent of the coatings were investigated. Microhardness profiles along the cross-section ofthe coating were determined. The maximum microhardness in the coating was about 3 times higherthan that of the substrate. The thickness of the coating increased with the increasing of MAO time.There were two layers in the ceramic coatings: a dense layer and a loose layer. The coating was mainlycomposed of (Ti0.6Al0.2Nb0.2)O2 phase. Scratching test revealed a good adhesion between the Ti3Alsubstrate and the coating
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.546-549.1769.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Applications of Dyes in Material Science Research (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 575-578 (Apr. 2008), p. 1451-1454 
    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: Dyes are colored organic compounds that are used to pigment fiber or other materials. Dyes aremainly calssified into natural and synthetic dyes in terms of the origin. Natural dyes include animaldyes, plant dyes and mineral dyes with such defects as incomplete chromatogram, inconvenient useand color fading, and thus have been gradually eliminated. In 1856, the 18-year-old young Britishscientist Perkin successfully invented the world's first synthetic dyes. He built his own factory andindustrialized synthetic dye production. Over 100 years since then, dye industry has undergonerapid development, and by 2001 synthetic dyes already have been up to nearly 10,000 varieties. In2004, the output of total dyes in the world has reached 900,000 tons. Synthetic dyes are usedcomprehensively, not only to dye synthetic fibers, but also natural fibesr, fur, leather and man-madefibers
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.575-578.1451.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    Structure and Properties of Microarc Oxidation Films on Zinc-Containing Aluminum Alloy (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 546-549 (May 2007), p. 1145-1148 
    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 wear and corrosion protective films were synthesized on the LC4 Al-Zn-Mg-Cu alloyby microarc oxidation (MAO) technique in an alkali-silicate electrolyte. The microstructure andcomposition profiles were investigated by scanning electron microscopy and energy dispersivespectroscopy, and the phase structure was performed by X-ray diffraction. The corrosion resistance ofcoated LC4 alloy was evaluated using potentiodynamic polarization curves. The MAO film consistsof γ-Al2O3, α-Al2O3 and amorphous SiO2 phases. The film up to 210 μm contains two layers. The Sielement from electrolyte enriched in the outer layer film. After microarc oxidation treatment, themicrohardness and corrosion resistance of LC4 alloy were improved significantly
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.546-549.1145.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    Gas Pressure Forming of Amorphous Fe〈sub〉78〈/sub〉Si〈sub〉9〈/sub〉B〈sub〉13〈/sub〉 Alloy (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 551-552 (July 2007), p. 575-580 
    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 deformation behavior of gas pressure forming of amorphous Fe78Si9B13 alloy wasinvestigated under equibiaxial tension. The gas pressure forming was carried out in the temperaturerange of 430°C~530°C below the crystallization temperature Tx and die apertures of 5mm~10mm.The dome height and amorphous ribbon thickness of deformed specimens at the pole was measured. Itwas found that amorphous Fe78Si9B13 alloy had exhibited good plasticity in the experimentaltemperature range. The near-semisphere specimens of the radius 5mm and the height 4.5mm wereobtained from the gas-pressure forming at 450°C and 530°C for 30min, which is similar to thesuperplastic forming
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.551-552.575.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Vibrationally resolved photoelectron spectroscopy of the first row transition metal and C3 clusters: MC3− (M=Sc, V, Cr, Mn, Fe, Co, and Ni) (2000)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 112 (2000), S. 3602-3608 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We report photoelectron spectra of the MC3− clusters for M=Sc, V, Cr, Mn, Fe, Co, and Ni at two photon energies, 355 and 266 nm. Vibrational structure is resolved for the ground and excited state detachment transitions for all the clusters except for CoC3− and NiC3−. Electron affinity (EA) and vibrational frequencies for the MC3 clusters are obtained. Complicated low-lying excited state features are observed for all the species. We find that the trend of the EA across the 3d series for the MC3 clusters is similar to that of the MC2 species. The vibrational frequency is found to increase from ScC3 to TiC3 and then decreases monotonically to the right of the 3d series. Preliminary density functional theory calculations are performed on all the MC3 and MC3− clusters at several initial geometries and spin multiplicities. We find that the ground states of all the MC3 and MC3− species have C2v ring structures. The calculated M–C stretching frequency for all the MC3 species is in good agreement with the experimental measurement, lending credence to the obtained C2v structure. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.480513
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