The present invention relates to filled polymeric materials including a polymer and a mass of metallic fibers distributed within the polymer, and to light weight composites which comprise at least a pair of metallic layers and a polymeric layer interposed between the pair of metallic layers, the polymeric layer containing the filled polymeric material. The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures. Composite materials of the present invention may also be capable of being welded to other metal materials using a resistance welding process such as resistance spot welding. Preferred composite materials include one or any combination of the following features: metallic fibers that are ribbon fibers; a polymer selected from a polyolefin, a polyamide, or a combination thereof; or a metallic layer (e.g., one or both of the pair of metallic layers) having a surface facing the filled polymeric material that is untreated.

A freight floor having a multilayer construction and that is formed as a composite material, comprising a core layer of carbon-fiber-reinforced and/or glass-fiber-reinforced plastic and a seating layer of a metal alloy, in particular an aluminum alloy.

The present invention relates to filled polymeric materials including a thermoplastic polymer and a metallic filler and to light weight composite materials, which comprise a metallic layer and a polymeric layer, the polymeric layer containing the filled polymeric material. The filled polymeric material preferably is an extruded sheet. The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures and/or welded to other metal materials using conventional welding techniques.

The present invention relates to filled polymeric materials including a polymer and a filler distributed within the polymer, and to light weight composites which comprise at least a pair of metallic layers and a polymeric layer interposed between the pair of metallic layers, the polymeric layer containing the filled polymeric material. The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures. Composite materials of the present invention may also be capable of being welded to other metal materials. The composite materials may be employed in an automotive part. Preferred composite materials include one or any combination of the following features: metallic fibers, ribbon fibers; or a polyolefin.

The present invention relates to filled polymeric materials including a thermoplastic polymer and a metallic filler and to light weight composite materials, which comprise a metallic layer and a polymeric layer, the polymeric layer containing the filled polymeric material. The filled polymeric material preferably is an extruded sheet. The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures and/or welded to other metal materials using conventional welding techniques.

The present invention relates to filled polymeric materials including a thermoplastic polymer and a metallic filler and to light weight composite materials, which comprise a metallic layer and a polymeric layer, the polymeric layer containing the filled polymeric material. The filled polymeric material preferably is an extruded sheet. The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures and/pr welded to other metal materials using conventional welding techniques.

The present invention relates to filled polymeric materials including a polymer and a filler distributed within the polymer, and to light weight composites which comprise at least a pair of metallic layers and a polymeric layer interposed between the pair of metallic layers, the polymeric layer containing the filled polymeric material. The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures. Composite materials of the present invention may also be capable of being welded to other metal materials. The composite materials may be employed in an automotive part. Preferred composite materials include one or any combination of the following features: metallic fibers, ribbon fibers; or a polyolefin.

The present invention relates to filled polymeric materials including a polymer and a filler distributed within the polymer, and to light weight composites which comprise at least a pair of metallic layers and a polymeric layer interposed between the pair of metallic layers, the polymeric layer containing the filled polymeric material. The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures. Composite materials of the present invention may also be capable of being welded to other metal materials. The composite materials may be employed in an automotive part. Preferred composite materials include one or any combination of the following features: metallic fibers, ribbon fibers; or a polyolefin.

A method of manufacturing a composite part comprises placing a composite material part comprising fibers and a thermoplastic resin on a matrix; moving a presser towards the matrix in order to thermo-stamp the part; and making at least one orifice in the part by moving at least one punch through the part and at least one compactor pushing back the material of the part moved by the punch and forming a shoulder around the orifice or one of the orifices. This method also comprises a step of placing a metal insert on the shoulder of the or at least one of the orifices.

The present invention relates to filled polymeric materials including a thermoplastic polymer and a metallic filler and to light weight composite materials, which comprise a metallic layer and a polymeric layer, the polymeric layer containing the filled polymeric material. The filled polymeric material preferably is an extruded sheet. The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures and/pr welded to other metal materials using conventional welding techniques.