LAMINATE OF METAL POWDER AND FOAMING AGENT BETWEEN TWO METAL LAYERS

摘要

The invention relates to a process for forming a laminate comprising a core of a compressed metal powder mixed with a foaming agent between two metal layers, comprising the successive steps of providing two metal strips (11, 13) and a stock of powder (14) comprising a metal powder mixed with a foaming agent; applying a layer of the powder between the two metal strips; feeding the metal strips, with the powder between them, to a rolling mill (6, 7); rolling the two strips with the powder between them to form a laminate (17) of compressed powder between two metal layers. The invention also relates to an associated device (1) and to the product formed using the process.