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  1. No Access

    Chapter

    Quasi-Equilibria and Sintering in the Cobalt Oxide — Zirconia Catalyst — Support System

    Catalysts of varying concentrations of cobalt oxide on ZrO2 supports were prepared by impregnation and calcination to 600°C. In very dilute catalysts the cobalt oxide consists of a two-dimensional, dispersed “δ-p...

    M. Bettman, H. C. Yao in Sintering and Catalysis (1975)

  2. No Access

    Article

    Hydrogen Induced Slow Crack Growth in Stable Austenitic Stainless Steels

    The behavior of hydrogen induced slow crack growth in type 310 and type 16-20-10 stable austenitic stainless steels along with type 321 unstable austenitic stainless steel were investigated. It was found that ...

    Wu-Yang Chu, **g Yao, Chi-Mei Hsiao in Metallurgical Transactions A (1984)

  3. No Access

    Article

    Phases in Ni−Co−Ga alloys close to (Ni, Co)0.5 Ga0.5

    Zu-Yao Chen, R. A. Dodd in Metallurgical Transactions A (1985)

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    Article

    Innovative Melt-Spinning Technique for Ferromagnetic Amorphous Ribbons

    A new melt-spinning technique (field quenching) for ferromagnetic amorphous ribbon is suggested to produce better magnetic properties than conventional as-quenched amorphous ribbon. An external field is applie...

    H. Y. Yu, D. R. Huang, P. C. Yao, S. E. Hsu in MRS Online Proceedings Library (1985)

  5. No Access

    Article

    Composition Dependence of Magnetic Shielding Properties for Amorphous Ribbons (FeNi)78Mo4B17Si

    Amorphous ribbons (FeNi)78Mo4Bi7Si, made by melt-spinning technique were prepared as magnetic shielding materials. Cylindrical shields (~0.05mm thick) were fabricated by wrap** ribbons on 20cm long pyrex tubes ...

    Der-Ray Huang, Wen-Huu Dow, Pei-Chih Yao, Shu-En Hsu in MRS Online Proceedings Library (1985)

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    Article

    Determination of the Lithium Content of Molten Aluminum Using a Solid Electrolyte

    A lithium probe has been used for the determination of the lithium content of molten aluminum alloys. The electrolyte is a two-phase mixture of Li3PO4 and Li4Si04 to give an overall composition of Li3.6Si0.6P0.4O

    P. C. Yao, D. J. Fray in Metallurgical Transactions B (1985)

  7. No Access

    Article

    Studies of Electrical Current-Induced Liquid Phase Epitaxy of Ga1−xAlxAs:Si

    In this paper, a novel system of electrical current induced liquid phase epitaxial apparatus is presented. Electroepitaxial growths of Ga1−xAlxAs on thin GaAs substrate were carried out at constant temperature wi...

    **an-Fu Zeng, Gang-Zhao Yao, Zhao-Haon Huang in MRS Online Proceedings Library (1985)

  8. No Access

    Article

    T c of L12-type superconductors

    Rong-Yao Wang in Journal of Materials Science Letters (1986)

  9. No Access

    Article

    Activity coefficient of oxygen in copper-tellurium melts

    Activity coefficient of oxygen, γo, in copper-tellurium melts was determined at 1423 K utilizing a modified coulometric titration technique with the following electrochemical cell: O in Cu-Te melts/ZrO2(+CaO)/air...

    Shinya Yao, Yoichi Kaku, Zensaku Kozuka in Metallurgical Transactions B (1986)

  10. No Access

    Article

    Magnetic Properties of Composite Amorphous Powder Cores

    Composite amorphous powder core made by field-annealing with new insulations could improve the high frequency AC magnetic and mechanical properties. All of the amorphous ribbons with composition Fe78B16Si5C and F...

    Hong-Yow Chang, Pei-Chih Yao, Der-Ray Huang, Shu-En Hsu in MRS Online Proceedings Library (1986)

  11. No Access

    Chapter

    Free Vibration Analysis of an Orthotropic Circular Cylindrical Shell of Laminated Composite

    Based on the dynamic von Kármán-type equations governing the free flexural vibration of a shell, the weighted residual method is adopted. A new method for the free vibration analysis of an orthotropic circular...

    Anlin Yao, Fangchun **ao in Composite Structures 4 (1987)

  12. No Access

    Chapter

    A Definition of Fatigue Small Crack Range

    This paper presented a definition of fatigue small crack range. According to this definition, at the upper bound of fatigue small crack range, the small crack has the same fatigue behaviours as the large crack...

    Yao Weixing, Yang Qingxiong in Low Cycle Fatigue and Elasto-Plastic Behaviour of Materials (1987)

  13. No Access

    Chapter

    The Viscoplasticity Theory Based on Overstress Applied to Ratchetting and Cyclic Hardening

    The cyclic neutral version of the theory of viscoplasticity based on over-stress (VBO) is introduced and applied to predict the zero-to-tension ratchetting behavior of a Tialloy at room temperature. The experi...

    Erhard Krempl, David Yao in Low Cycle Fatigue and Elasto-Plastic Behaviour of Materials (1987)

  14. No Access

    Article

    Extracting isoclinics using image-processing techniques

    J. Y. Yao in Experimental Techniques (1987)

  15. No Access

    Article

    Superconductivity in Pseudo-Quaternary System

    The superconductivity of pseudo-quternary system Y1−xMx Ba2 Cu3 O7-δ, YBa2 Cu3−xM x O7-δ, where M stands Co,Cr,&Zn and with x=0,0.001,0.005,0.01 & 0.02, has been investigated.

    P. C. Yao, C. I. Chiang, C. W. Hsieh, J. W. Chen… in MRS Online Proceedings Library (1987)

  16. No Access

    Article

    Transport and Meissner Effect Studies for YBa2(Cuy1−xZnx)3O7

    Single phase orthorhombic YBa2(Cuy1−xZnx)3O7 samples were formed for 0<x<0.16. The high T superconductivityXfor x=6 (T =90 K) is rapidly depressed with increasing x, and is quenched for x>0.08. Low field (<100 G)...

    S. H. Bloom, M. V. Kuric, Y. S. Yao, R. P. Guertin… in MRS Online Proceedings Library (1987)

  17. No Access

    Article

    Composition Oxidation and Chemical Etching Properties of a New Amorphous Silicon-Boron Thin Film

    When silane, with more than 0.1% of diborane in the gas mixture, are co-pyrolyzed at temperatures below 540°C, an amorphous silicon-boron alloy is formed. The composition of the solid film was determined by SI...

    B. Y. Tong, S. K. Wong, J. Yao, W. N. Lau, N. Du… in MRS Online Proceedings Library (1987)

  18. No Access

    Article

    X-Ray Absorption and Resistivity Studies of the Quinary-Compound Superconductor Y-Ba-Cu-O-S

    A quinary-compound system consisting of Y, Ba, Cu, O, and S has been prepared in our laboratory. The nominal composition of Y, Ba, Cu, and O is similar to the well known material YBa2Cu3O7-y; the addition of S is...

    S. Spagna, J. Althoff, Y. D. Yao, F. Xu, L. Y. Jang… in MRS Online Proceedings Library (1987)

  19. No Access

    Article

    Residual Stress in GaAs Layer Grown on 4°-Off (100)Si by MBE

    Residual stress in molecular beam epitaxially (MBE) grown GaAs films on 4°-off (100)Si substrates is investigated with X-ray diffraction technique. It is experimentally confirmed that the GaAs lattice suffers ...

    T. Yao, Y. Okada, H. Kawanami, S. Matsui, A. Imagawa… in MRS Online Proceedings Library (1987)

  20. No Access

    Article

    Critical Current Density Enhancement and Moisture Destruction Studies of the Compound Superconductor Y-Ba-Cu-Ag-O

    We have fabricated a series of samples of YBa2(Cu1−x Agx)3Oy compounds where 0 ≤ × ≤ 1, with the intention to study the changes in critical current density and the effect of moisture treatment on normal state res...

    Y. D. Yao, A. Krol, Y. H. Krol, C. Walters, S. Spagna… in MRS Online Proceedings Library (1987)

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