Method for manufacturing a fiber-reinforced metal connecting rod, and resulting connecting rod

A method of fabricating a metal link rod (6) that is longitudinally reinforced in a thickness of the metal link rod by fiber reinforcement (2) extending parallel to a longitudinal direction of the link rod, the method comprising the following steps:

• making a metal section member (1) of constant section and including at least two longitudinal housings (11, 12);
• inserting a respective piece of fiber reinforcement (2) in each of the housings, the insertion of the fiber reinforcement comprising the steps of placing fiber reinforcement on a support in the form of an angle bar and then inserting each angle bar carrying the corresponding fiber reinforcement in one of the housings;
• applying hot isostatic compression to the assembly in order to obtain a reinforced bar;
• cutting up the reinforced bar in order to make a plurality of link-rod blanks;
• and
• finishing each blank in order to obtain reinforced link rods.

A method of fabricating a metal link rod (6) that is longitudinally reinforced in a thickness of the metal link rod by fiber reinforcement (2), the method comprising the following steps:

• making a metal blank having at least one longitudinal housing (11, 12) leading into an edge face of the blank;
• inserting fiber reinforcement (2) into the housing;
• bonding the fiber reinforcement to the blank by metal diffusion around the fibers of the fiber reinforcement (2);
• and
• finishing the blank to obtain a link rod (6);
• wherein the fiber reinforcement is inserted by means of the following operations:
• placing the fiber reinforcement on a support in the form of an angle bar, the angle bar being made of an alloy;
• and then
• inserting the angle bar carrying the corresponding fiber reinforcement in the housing;
• and
• wherein any remaining space of the housing is filled by inserting a filler block (4) made of an alloy that is the same as the alloy of the angle bar.