Tests were conducted to determine the merits of two bonding techniques for the assembly of tubular structures. Cycleweld C-3 primer with Redux adhesive was evaluated in a bag molding technique employing the application of heat and pressure. Mixtures of room temperature setting rigid and flexible resins, Paraplex P43HV and P13 were studied in tubular scarfed joints. Various combinations of adherends were included. water leakage rates, and static as well as dynamic strength tests were conducted to determine magnitudes, and the gross effects of Joint variables and environmental exposures on these magnitudes
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