A process for fabricating rod-like aromatic heterocyclic polymer-reinforced composite materials into shaped articles which comprises the steps of:(a) dissolving a rigid-rod aromatic heterocyclic polymer and a flexible, coil-like thermoplastic polymer in a common solvent at a concentration less than the critical concentration point of the solution;(b) extruding the solution resulting from step (a) into a liquid bath for removing the solvent;(c) placing the extrudate from step (b), in the liquid-wet state, into a mold, and consolidating the extrudate in the mold to provide a molded article;(d) drying the molded article resulting from step (c); and(e) compression molding the article to provide a fully consolidated, solid article.