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  • Other Sources  (2)
  • ASTROPHYSICS
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  • Metals and Metallic Materials
  • 1955-1959  (1)
  • 1940-1944  (1)
  • 1
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    Unknown
    Effect of Rivet Holes on the Ultimate Strength Developed by 24S-T and Alclad 75S-T Sheet in Incomplete Diagonal Tension (1943)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: Strength tests were made of a number of 24S-T and Alclad 75S-T aluminum-alloy shear webs to determine the effect of rivet or bolt holes on the shear strength. Data were obtained for webs which approached a condition of pure shear stress as well as for webs with well-developed diagonal tension. The rivet factor, (pitch minus diameter) divided by pitch, was varied from approximately 0.81 to 0.62. These tests indicated that the shear stresses on the gross section were nearly constant for all values of the rivet factor investigated if the other properties of the web were not changed.
    Keywords: Metals and Metallic Materials
    Type: NACA-RM-L6I12
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Effects of Intermittent Versus Continuous Heating upon the Tensile Properties of 2024-T4, 6061-T6 and 7075-T6 Alloys (1956)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: In some applications, aluminum alloys are subjected to intermittent heating at elevated temperature. It is generally considered that the effects of such intermittent heating are cumulative, and therefore are the same as if the heating had been continuous for the same total length of time. The object of these tests was to determine the effects of intermittent and continuous heating at 300 and 400 F, for total periods of 100 and 200 hr, upon the tensile properties of 2024-T4 and 6061-T6 alloy rolled-and-drawn rod and 7075-T6 alloy extrusions, at room temperature and at the temperature of heating.
    Keywords: Metals and Metallic Materials
    Type: NACA-TM-1419
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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