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Beam and torsion tests of aluminum-alloy 615-T tubing

Description: From Summary: "Tests were made to determine the effect of length and the effect of ratios of diameter to wall thickness upon the flexural and torsional moduli of failure of 61S-T aluminum-alloy tubing. The moduli of failure in bending, as determined by tests in which the tubing was loaded on the neutral axis at the one-third points of the span, were found to bear an approximately linear relationship with diameter-thickness ratio and were practically independent of span within the limits investi… more
Date: October 1942
Creator: Moore, R. L. & Holt, Marshall
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The Influence of Impact Velocity on the Tensile Characteristics of Some Aircraft Metals and Alloys

Description: Note presenting the results of tension tests on sixteen metals and alloys, most of which are employed extensively in aircraft construction. The tension characteristics are discussed for static conditions and rates of deformation up to about 150 feet per second. An investigation of the effect of decreasing the gage length of specimens below 1 inch is reported.
Date: October 1942
Creator: Clark, Donald S.
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On the Distribution of Stress in a Thin Plate Elastically Supported Along Two Edges at Loads Beyond the Stability Limit

Description: Note presenting the results of an investigation on the distribution of stress in a plate elastically supported along two edges and subjected to compressive loads in a direction parallel to the elastically supported edges. A theoretical calculation was carried out in which the influence of the elastic support was taken into account.
Date: October 1942
Creator: Dunn, Louis G.
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