Method For Producing A Metal Foam And Method For Producing Particles Suitable For Said Method

摘要

A method for producing a metal foam includes depositing metal-containing particles and blowing-agent-containing particles by cold spraying. A layer formed in this manner is formed from metallic particles and particles containing blowing agent, wherein the blowing agent forms the core of coated particles. The shell of said particles is likewise metallic, such that it is easier to deposit said particles together with the metallic particles. Therefore, a higher concentration of blowing agent can advantageously be produced in the layer. Greater possibilities are advantageously produced thereby to provide the porous layers with required pore profiles.

主权项

1. A method for producing a metal foam, comprising:
depositing (a) exclusively metal-containing particles together with (b) coated particles having a core consisting of a solid blowing agent and a metallic shell as a layer on a substrate by cold spraying, and activating the blowing agent, which forms pores of the metal foam in the layer.