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US 6,408,928 B1Granted
Production of foamable metal compacts and metal foams
AssigneeLinde Gas Aktiengesellschaft
InventorsPeter Heinrich, Heinrich Kreye
Life of this patent
Estimating the term…
Abstract
A compact body is made by thermal spraying by high-velocity flame spraying or by cold-gas spraying. By heating the compact body to a temperature equal to or preferably above the breakdown temperature of the blowing agent, followed by cooling, porous hollow bodies or metal foams are produced.
Claims12
A method for the production of foamable metal bodies, comprising:
- forming a compact body from a powder mixture that comprises at least one metal powder and at least one blowing agent powder, which produces gas upon heating to a temperature equal to or above a breakdown temperature of the blowing agent,
- wherein the forming of the compact body is performed by high-velocity flame spraying or by cold-gas spraying.
Dependencies are inferred from the claim text.