Fillet size is discussed in terms of theoretical or design dimensions versus as-welded dimensions, drawing attention to the inherent conservatism in the design load sustaining capabilities of fillet welds. Emphasis is placed on components for the solid rocket motor, external tank, and other aerospace applications. Problems associated with inspection of fillet welds are addresses and a comparison is drawn between defect counts obtained by radiographic inspection and by visual examination of the fracture plane. Fillet weld quality is related linearly to ultimate shear strength. Correlation coefficients are obtained by simple straight line regression analysis between the variables of ultimate shear strength and accumulative discontinuity summation. Shear strength allowables are found to be equivalent to 57 percent of butt weld A allowables (F sub tu.)
Shear Strength of Fillet Welds in Aluminum Alloy 2219
1978
26 pages
Report
Keine Angabe
Englisch
Industrial & Mechanical Engineering , Nonferrous Metals & Alloys , Fuel & Propellant Tanks , Aluminum alloys , External tanks , Fillets , Shear strength , Solid propellant rocket engines , Weld strength , Crack propagation , Joints (Junctions) , Loads (Forces) , Radiography , Regression analysis , Welding , Fillet welds , Aluminum alloy 2219
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