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On The Complex Poissons Ratio Of A Urethane Rubber Compound
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Book Synopsis On the Complex Poisson's Ratio of a Urethane Rubber Compound by : Ker C. Thomson
Download or read book On the Complex Poisson's Ratio of a Urethane Rubber Compound written by Ker C. Thomson and published by . This book was released on 1966 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The complex Poisson's ratio of a urethane rubber compound was determined for frequencies up to 700 cps. It is shown that the assumption made by earlier workers using this material, that Poisson's ratio is a numerical constant slightly less than 1/2, while approximately correct at low (creep) frequencies is definitely invalid in certain more elevated frequency bands.
Book Synopsis Wave Propagation in Materials Having Frequency Dependent Rheological Properties by : Ker C. Thomson
Download or read book Wave Propagation in Materials Having Frequency Dependent Rheological Properties written by Ker C. Thomson and published by . This book was released on 1968 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: A combined theoretical and model study of the basic physics of wave propagation, as applied to problems in mechanical radiation in the real earth, was conducted. During the support period covered by the report the effort was directed along three primary lines: (a) improvement and augmentation of the model laboratory, (b) the development of seismic model sources capable of delivering mechanical pulses with broad frequency spectra, and (c) an investigation of the dynamic rheological properties of a model material to be used in the study of wave propagation in an elastic materials. (Author).
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1966-11 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Response of Frozen Soils to Vibratory Loads by : Henry W. Stevens
Download or read book The Response of Frozen Soils to Vibratory Loads written by Henry W. Stevens and published by . This book was released on 1975 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was conducted to provide reliable values of the stiffness and damping properties of frozen soils subjected to vibratory loads and to define the significant factors affecting these parameters. A laboratory test was conducted on prepared specimens of frozen soils wherein a right circular cylinder was subjected to steady-state sinusoidal vibration. The material was considered to be linearly viscoelastic. Analysis of test data based on one-dimensional wave propagation yielded the complex Young's modulus, the complex shear modulus, the phase velocity of wave propagation, the shear velocity, the damping property expressed as the angle representing time lag between stress and strain, an attenuation coefficient, and a complex Poisson's ratio. The frequency of vibration was varied from 500 to 10,000 Hz, and the peak dynamic stress was varied from 0.1 to 5.0 psi. Specimens were remolded or cored in-situ, frozen, and tested at temperatures of 0, +15 and +25 deg F.A few tests were conducted on identical soils nonfrozen. Tests results from a limited number of tests on selected soils indicate that the stiffness of these soils varies with the volume of ice/volume of soil ratio, and that ice is less stiff than saturated frozen soils. Frozen soils have stiffnesses up to 100 times those of identical soil nonfrozen. Depending upon the degree of ice saturation, the stiffness of non-saturated frozen soils varies from that of the saturated soils to nearly that of the nonfrozen soils. Stiffness increases with decreasing temperature but the rate is relatively low. As temperature rises and approaches the freezing point, stiffness abruptly decreases.
Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1965 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Battelle Technical Review by : Battelle Memorial Institute
Download or read book Battelle Technical Review written by Battelle Memorial Institute and published by . This book was released on 1966 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1966 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plastics written by and published by . This book was released on 1967 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1976 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Permafrost: North American Contribution [to The] Second International Conference by :
Download or read book Permafrost: North American Contribution [to The] Second International Conference written by and published by National Academies. This book was released on 1973-01-01 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis OAR Cumulative Index of Research Results by :
Download or read book OAR Cumulative Index of Research Results written by and published by . This book was released on with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of AFCRL Publications from 1 July 1966 to 30 September 1967 by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Bibliography of AFCRL Publications from 1 July 1966 to 30 September 1967 written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1968 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This bibliography lists all in-house reports, journal articles, and contractor reports issued from 1 July 1966 to 30 September 1967. Part I lists all in-house reports by the series in which they were issued; Part II lists all in-house reports, journal articles, and contractor reports by the Laboratory responsible for their preparation. In Part I, the reports are listed numerically by series; in Part II, in-house reports and journal articles are listed alphabetically by author, and contractor reports are listed numerically by the AFCRL report number.
Book Synopsis OAR Quarterly Index of Current Research Results by : United States. Air Force. Office of Aerospace Research
Download or read book OAR Quarterly Index of Current Research Results written by United States. Air Force. Office of Aerospace Research and published by . This book was released on 1965 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rheology Abstracts written by and published by . This book was released on 1973 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis OAR Cumulative Index of Research Results by : United States. Air Force. Office of Aerospace Research
Download or read book OAR Cumulative Index of Research Results written by United States. Air Force. Office of Aerospace Research and published by . This book was released on 1965 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Scientific and Industrial Reports by :
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1968 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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