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    Article

    A study of the fatigue limit of copper

    This paper shows that, in fatigue tests on copper, a great number of cycles beyond expectation is necessary for determining the fatigue limit. An ultrahigh frequency fatigue testing machine was used andS-N curves...

    J. Awatani, K. Katagiri, A. Omura, T. Shiraishi in Metallurgical Transactions A (1975)

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    Early stage crack tip dislocation morphology in fatigued copper

    Observations of dislocation structures around the fatigue cracks in the early stage in polycrystalline copper were made through an ultrahigh voltage electron microscope operating at 2000 kV. Ladder like struct...

    K. Katagiri, A. Omura, K. Koyanagi, J. Awatani… in Metallurgical Transactions A (1977)

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    Be10 and U-Series Isotopes in Manganese Nodules from the Central North Pacific

    The exponential decreases with depth of Be10, Th230 and Pa231 in two manganese nodules from the central North Pacific is interpreted in terms of slow growth of the nodules: at average rates of millimeters per mil...

    T. L. Ku, A. Omura, P. S. Chen in Marine Geology and Oceanography of the Pac… (1979)

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    Influence of atmospheric parameters on downward longwave radiation and features of its regime in Moscow

    Measurement results of downward longwave radiation (DLR) in a wavelength range of 3.5–50 μm are considered which have been obtained with the use of a precision IR radiometer (Eppley pyrgeometer) of the PIR mod...

    E. I. Nezval, N. E. Chubarova, J. Gröbner… in Izvestiya, Atmospheric and Oceanic Physics (2012)

  5. Article

    Housing Risk and Returns in Submarkets with Spatial Dependence and Heterogeneity

    Employing a recently developed panel econometric technique, first, we show that accounting for spatial dependence and heterogeneity yields more accurate risk factor coefficients and abnormal housing returns. R...

    P. S. Morawakage, G. Earl, B. Liu, E. Roca… in The Journal of Real Estate Finance and Eco… (2023)

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