Skip to main content

249 Result(s)

within **aomin **e Remove this filter English Remove this filter Characterization and Evaluation of Materials Remove this filter

previous disabled Page of 13
and

  1. No Access

    Article

    Matrix methods in treating decentred optical systems

    A set of matrix methods treating decentred optical systems in the paraxial approximation is reviewed. Misalignment phenomena of optical systems can generally be described by an augmented 4×4 matrix; propagatio...

    Wang Shaomin in Optical and Quantum Electronics (1985)

  2. No Access

    Article

    A finite element investigation of quasi-static and dynamic asymptotic crack-tip fields in hardening elastic-plastic solids under plane stress

    The asymptotic structures of crack-tip stress and deformation fields are investigated numerically for quasi-static and dynamic crack growth in isotropic linear hardening elastic-plastic solids under mode I, pl...

    **aomin Deng, Ares J. Rosakis in International Journal of Fracture (1992)

  3. No Access

    Article

    A finite element investigation of quasi-static and dynamic asymptotic crack-tip fields in hardening elastic-plastic solids under plane stress

    This is the second half of a two-part finite element investigation of quasi-static and dynamic crack growth in hardening elastic-plastic solids under mode I plane stress, steady state, and small-scale yielding...

    **aomin Deng, Ares J. Rosakis in International Journal of Fracture (1992)

  4. No Access

    Article

    Unified and generalized Fresnel numbers

    The concept of Fresnel number is discussed and expressions are derived for misaligned optical systems. For the case of perfectly aligned optical elements, the usual number,N, based on a Fresnel zone concept is fo...

    Shaomin Wang, Eusebio Bernabeu, Javier Alda in Optical and Quantum Electronics (1992)

  5. No Access

    Article

    A new look at energy release rates for quasistatically propagating cracks in inelastic materials

    A map** technique is used to derive an integral expression for the energy release rate for a quasistatically propagating crack. The derivation does not depend on any assumptions in regard to the contitutive ...

    Ralf Peek, **aomin Deng in International Journal of Fracture (1993)

  6. No Access

    Article

    Interface studies on crystallized alumina-silica fibre-reinforced Al-Si alloy composites

    On applying heat treatments to the amorphous alumina-silica fibre (55% Al2O3, 45% SiO2), the mullite crystal is separated out, and the crystallinity depends on the heat treatment parameters. The crystallized alum...

    Zhou Yaomin, Li **angan, Chen Meiyi in Journal of Materials Science (1994)

  7. No Access

    Article

    Symmetrizing transformation of general astigmatic Gaussian beams

    The symmetrizing transformation of coherent general astigmatic Gaussian beams is analysed by the tensor ABCD law. It is shown in this paper that a nonorthogonal astigmatic Gaussian beam (with rotation) can be tra...

    Daomu Zhao, Qiang Lin, Shaomin Wang in Optical and Quantum Electronics (1994)

  8. No Access

    Article

    Finite element analysis of creep fracture initiation in a model superalloy material

    Detailed finite element analyses were performed for a single edge-cracked specimen geometry under both plane stress and plane strain constraint for a superalloy material that obeys a power-law creep relationsh...

    Lei Yang, Michael A. Sutton, **aomin Deng… in International Journal of Fracture (1996)

  9. No Access

    Article

    Antiferroelectric Thin Films for Decoupling Capacitor and Microactuator Applications

    Lanthanum-doped or niobium-doped lead zirconate titanate stannate antiferroelectric thin films with the thickness of about 0.4 μm have been prepared from acetic acid-based or 2-methoxyethanol-based sol-gel met...

    Baomin Xu, Neelesh G. Pai, Paul Moses, L. Eric Cross in MRS Online Proceedings Library (1997)

  10. No Access

    Article

    Plane Stress Crack Tip Field Around a Rapidly Growing Ductile/Rigid Interface Crack

    Plane stress dynamic crack growth along a ductile/rigid interface is investigated. The ductile material is taken to be ideally plastic and obey the J2 flow theory of plasticity. Under steady-state conditions, the...

    **aomin Deng in International Journal of Fracture (1998)

  11. No Access

    Article

    Experimental investigation of near crack tip creep deformation in alloy 800 at 650^C

    Using a novel, noncontacting experimental method, the values for creep fracture parameters C(t) and C* have been experimentally quantified from full field, time-dependent surface deformation measurements in th...

    ** Liu, Michael Sutton, Jed Lyons, **aomin Deng in International Journal of Fracture (1998)

  12. No Access

    Article

    Effect of compositional variations on electrical properties in phase switching (Pb,La)(Zr,Ti,Sn)O3 thin and thick films

    The composition-dependent electrical properties in (Pb,La)(Zr,Ti,Sn)O3 antiferroelectric-ferroelectric phase switching thin and thick films have been systematically studied and compared with bulk ceramics. The fi...

    Baomin Xu, Yaohong Ye, Qing-Ming Wang, N. G. Pai… in Journal of Materials Science (2000)

  13. No Access

    Article

    Properties of Au/Pb(Zr0.52Ti0.48)O3/ Bi4Ti3O12/p-Si Ferroelectric Memory Diodes

    A ferroelectric memory diodes that consists of Au/Pb(Zr0.52Ti0.48)O3/Bi4Ti3O12/p-Si multilayer configuration was fabricated by pulsed laser deposition (PLD) technique. The ferroelectric properties and the electri...

    Jun Yu, Hua Wang, **aomin Dong, Wenli Zhou, Yunbo Wang… in MRS Online Proceedings Library (2000)

  14. No Access

    Article

    Analysis of distributions of amino acids and amino acid pairs in human tumour necrosis factor precursor and its eight mutations according to a random mechanism

    In this study, we use the random principle to analyse the distributions of amino acids and amino acid pairs in human tumour necrosis factor precursor (TNF-α) and its eight mutations, to compare the measured d...

    Guang Wu, Shaomin Yan in Molecular modeling annual (2001)

  15. No Access

    Article

    Determination of amino acid pairs in human p53 protein sensitive to mutations/variants by means of a random approach

    This is the continuation of our studies using random approaches to analyse the p53 protein family. In this data-based theoretical analysis, we use the random approach to analyse the amino acid pairs in human p...

    Guang Wu, Shaomin Yan in Journal of Molecular Modeling (2003)

  16. No Access

    Article

    Hydrothermally Deposited PZT Thin Films With Vertically Oriented Columnar Growth

    A novel growth mode for hydrothermal films of lead zirconate titanate (PZT) has been discovered. Previously reported hydrothermal PZT films have had a loosely-packed cubic morphology, and indeed that is the mo...

    Scott Solberg, Alexandra Rodkin, Baomin Xu, Karl Littau in MRS Online Proceedings Library (2004)

  17. No Access

    Article

    Synthesis of cobalt-aluminum spinels via EDTA chelating precursors

    In this work, synthesis of nanocrystalline Co||Co||| x Al2−x O4 (where x = 0, 0.5, 0.8, 1, 1.18 and 2) spinels by the thermal decomposition of complex precursors derived from me...

    Cuiyan Wang, Xuan Bai, Shaomin Liu, Lihong Liu in Journal of Materials Science (2004)

  18. No Access

    Article

    Fabrication of two-dimensional photonic structure of titanium dioxide with sub-micrometer resolution by deep x-ray lithography

    Two dimensional photonic crystals of titanium dioxide is expected to have many advantage compared with photonic crystals of semiconductors, e.g., silicon and GaAs. For example, low optical loss in the near inf...

    Koichi Awazu, Makoto Fujimaki, **aomin Wang, Akihide Sai… in MRS Online Proceedings Library (2004)

  19. Article

    Reasoning of spike glycoproteins being more vulnerable to mutations among 158 coronavirus proteins from different species

    In this study, we used the probabilistic models developed by us over the last several years to analyze 158 proteins from coronaviruses in order to determine which protein is more vulnerable to mutations. The r...

    Guang Wu, Shaomin Yan in Journal of Molecular Modeling (2005)

    Download PDF (498 KB) View Article

  20. No Access

    Article

    Epitaxial growth of ZnO films on (100) and (001) γ-LiAlO2 substrates by pulsed laser deposition

    Structural and optical properties were investigated for ZnO films grown on (100) and (001) γ-LiAlO2 (LAO) substrates by pulsed laser deposition method. According XRD results, it is intuitionistic that (100) LAO i...

    Jun Zou, Shengming Zhou, Jun Xu, **a Zhang, **aomin Li… in Journal of Materials Science (2006)

previous disabled Page of 13