Abstract

Mechanisms and conditions for the formation of fibrous composite material (FCM) connections have been previously considered for explosive welding with a different orientation of thebond fibers relative to the direction of detonation front propagation. Construction of the upper bound of the explosive welding domain for the fiber-host connecting line permits determination of the limits of collision parameter variation to assure melting, while the condition of melting on the connecting line can be considered as sufficient for producing a physical contact between the fiber and the host. The external dimensions of the host melt satisfying conditions are determined. For a fibrous composite obtained by explosive welding, conditions should simultaneously be assured for fusion on the interphasal boundary and for conservation of the connection after arrival of the unloading wave on the boundary. The results of this paper together with previous investigations permit setting up necessary and sufficient conditions to obtain explosive welding of FCM with optimal properties.

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