Now showing items 307-326 of 380

    • SciPy 

      Unknown author
      SciPy is a Python-based ecosystem of open-source software for mathematics, science, and engineering. Core packages include NumPy for arrays, the SciPy core scientific libraries, the MatPlotLib 2D visualization tool, the ...
    • Selecting Aluminum Alloys to Resist Failure by Fracture Mechanisms 

      R.J. Bucci; G. Nordmark; E.A. Starke, Jr. (2013-12-03)
      Though virtually all design and standard specifications require the definition of tensile properties for a material, these data are only partly indicative of mechanical resistance to failure in service. Except for those ...
    • Self-Diffusion and fast cobalt impurity diffusion in the bulk and in grain boundaries of hexagonal titanium 

      Herzig, Christian; Willecke, Ralf; Vieregge, Klaus (2013-07-03)
      Bulk Self-Diffusion was measure in alpha-Titanium single crystals between 776 and 1132 K using the radiotracer Ti44 and ion beam sputtering for profile sectioning.
    • Self-diffusion in aluminum at low temperatures 

      Burke, J.; Ramachandran, T. R. (2014-01-20)
      Values of the self-diffusivity of pure aluminum in the temperature range 130∮ to 200° have been determined by measuring the rate of annealing of prismatic and faulted dislocation loops in thin foils of quenched 99.999 pct ...
    • Self-Diffusion in Solid Chromium 

      Hagel, W. C. (2013-07-08)
    • Sensitivity of gold nano conductors to voids, substitutions and electric field: ab initio results 

      Barzilai, Shmuel; Tavazza, Francesca; Levine, Lyle E. (2014-09-26)
      Gold nanowires are good candidates for nanoelectronics devices. A previous study has shown that the beryllium terminated BeO (0001) surface may be a useful platform for supporting nano gold conductors, since it preserves ...
    • Si-Sr thermodynamic reassessment 

      Du, Yong; Li, Kai; Liu, Shuhong; Sha, C. (2013-04-01)
      The Si–Sr binary system has been thermodynamically reassessed in the present work based on the critically reviewed experimental data available in the literature, especially newly published experimental phase diagram data ...
    • SiC-AlN, SiC-GaN and SiC-InN: wurtzite-structure quasibinary systems 

      Burton, Benjamin P. (2013-04-08)
      The cluster-expansion method was used to perform first principles phase diagram calculations for the wurtzite-structure quasibinary systems (SiC)1-X(AlN)X, (SiC)1-X (GaN)X and (SiC)1-X(InN)X; and to model variations of ...
    • SIESTA 

      Emilio Artacho; Jose M. Cela; Julian Gale; Alberto Garcia; Javier Junquera; Richard M. Martin; Pablo Ordejon; Daniel Sanchez-Portal; Jose M. Soler
       One DFT code that can handle (at least) principally thousands of atoms. Basis functions are atomic orbitals. / SIESTA is both a method and its computer program implementation, to perform efficient electronic structure ...
    • Single-Lap-Joint Screening of Hysol EA 9309NA Epoxy Adhesive 

      Jensen, Robert E.; Flanagan, David P.; DeSchepper, Daniel C.; Silton, Miriam S.
      A commercial 2-part epoxy was evaluated per ARL-ADHES-QA-001.00 rev 1.0, which consists of single-lap-joint testing at room temperature and subsequent hot/wet and elevated temperature conditioning. This testing protocol ...
    • Solidification During Casting of Metal-Matrix Composites 

      P. Rohatgi; B. Schultz; N. Gupta; A. Daoud (2013-12-03)
      Metal-matrix composites (MMCs) are engineered combinations of two or more materials in which reinforcing phases are dispersed in a metal or an alloy. Structurally, cast MMCs consist of continuous or discontinuous fibers ...
    • Spherical nanoindentation stress-strain curves of commercially pure titanium and Ti-6Al-4V 

      Weaver, Jordan S.; Priddy, Matthew W.; McDowell, David L.; Kalidindi, Surya R.
      Spherical nanoindentation combined with electron back-scattered diffraction was employed to characterize the grain-scale elastic and plastic anisotropy of single crystal alpha-Ti for commercially pure (CP-Ti) and alloyed ...
    • Strain effects on oxygen migration in perovskites: La[Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Ga]O3 

      Mayeshiba, Tam; Morgan, Dane (2016-06-14)
      Fast oxygen transport materials are necessary for a range of technologies, including efficient and cost-effective solid oxide fuel cells, gas separation membranes, oxygen sensors, chemical looping devices, and memristors. ...
    • Structure, Properties and Application of Alloys of the Al _ Mg _ Si _ (Cu) System 

      N. I. Kolobnev; L. B. Ber; L. B. Khokhlatova; D. K. Ryabov (2013-12-03)
      A brief review of the reports of ICAA12 devoted to high-technology weldable alloys of the Al _ Si _ Mg systemis presented. Five occurrences of 6061.
    • A Study in Phase Equilibria in the Cr-Mo-Ni System 

      Frisk, Karin
      A thermodynamic evaluation of the Cr-Mo-Ni system has been performed using a computerized optimization procedure . Parameters describing the Gibbs energy of the various phases have been calculated. The intermetallic phases ...
    • Study of Si self-diffusion by nuclear techniques 

      Demond, F. J.; Kalbitzer, S.; Mannsperger, H.; Damjantschitsch, H. (2014-02-10)
      By using ion implantation for preparation and p, γ-reactions for analysis of 30Si profiles the Si self-diffusion has been studied in the temperature range of 830–1200°C. The results reveal unambiguously that the diffusion ...
    • Superplastic behavior and cavitation in high-strain-rate superplastic Si3N4p /Al-Mg-Si composites, 

      Iwasaki, Hajime; Mori, Takasuke; Mabuchi, Mamoru; Higashi, Kenji (2013-12-03)
      High-strain-rate superplastic behavior has been investigated for Si3N4p/Al-Mg-Si (6061) composites with a V f=20 and 30 pct, respectively, where V f is the volume fraction of reinforcements. A maximum elongation was attained ...
    • Surface Engineering of Aluminum and Aluminum Alloys 

      Unknown author (2013-12-03)
      ALUMINUM OR ALUMINUM ALLOY products often have various types of finishes applied to their surfaces to enhance appearance or improve functional properties. This article discusses the methods employed in the cleaning, ...
    • Surface Engineering of Specialty Steels 

      Unknown author (2013-12-03)
    • SVM_3MN 

      Choi, Kyoo Sil (2016-07-08)