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  • 1960-1964  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Stress analysis of HNPF loading-face shield (1962)
    Springer
    Experimental mechanics 2 (1962), S. 193-203 
    Details
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Experimental stress analysis was performed on design aspects of the loading-face shield not amenable to theoretical analysis. Strain and load data obtained from deflection tests of an aluminum model were used to derive bending-stress coefficients for different sections of the shield; maximum strains were recorded at inner edges of moderator-removal holes. Concrete specimens in which process-tube hole patterns were reproduced were tested in compression; strain-concentration factors as high as eight were recorded. Sleeves of practical proportions were found to be ineffectual in reducing diametric shortening of the holes. Transverse deflections of a plaster scale model were found to be 2 1/2 times greater than predicted by plate theory. On the basis of these investigations, maximum stresses in loading-face-shield concrete and steel were determined and factors of safety were calculated. Results of this analysis indicate that the shield will fulfill service requirements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02325799
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Metal-containing polymers. III. Chelated polyphenols and the derived epoxy resins1 (1961)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 50 (1961), S. 232-243 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Es wird über die Synthese von p-Hydroxybenzoylaceton, 4-Hydroxy-3-methylbenzoylaceton und 1-p-Hydroxyphenylpentandion-1,3 und über die Herstellung von gewissen Chelatpolyphenolen und den davon abgeleiteten Glycidyläthern berichtet. Die Härtung dieser Harze und die thermische Stabilität der ausgehärteten Produkte wurde untersucht. Analog aufgebaute chelierte aromatische Diamine wurden auch hergestellt und ihre Anwendung für das Aushärten von Epoxydharzen untersucht.
    Notes: The synthesis of p-hydroxybenzoylacetone, 4-hydroxy-3-methylbenzoylacetone and 1-p-hydroxyphenyl-1,3-pentandione is reported, together with the production of certain chelated polyphenols and the derived glycidyl ethers. The hardening of these resins and the thermal stability of the cured products and certain intermediates was studied. Analogously constituted chelated aromatic diamines have also been prepared and their use as hardeners for epoxy resin systems examined.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1961.020500119
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    Paper (German National Licenses)
    Fulltext
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