Method for Producing Components with Locally Defined Different Physical Density and/or Porosity

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This patent describes a method for manufacturing components with locally controlled and varying physical density and/or porosity. The process involves heating the component material locally to a temperature below its melting point using induction, convection, or thermal radiation, and then deforming it with pressure applied in targeted areas. This allows for precise control of density and porosity in specific regions of the component.

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• Producing lightweight structural components with reinforced or denser regions for automotive or aerospace industries.
• Customizing medical implants to have varied porosity for better cell integration and bone growth.
• Designing heat exchangers or filters with controlled porosity for optimized fluid or gas flow.
• Manufacturing tailored mechanical parts that require different density zones for enhanced performance or durability.

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• Enables precise control over density and porosity in specific parts of a component, improving material performance.
• Offers the possibility to reduce overall weight without sacrificing strength where needed.
• Enhances design flexibility for advanced engineering applications, especially in fields requiring specialized material properties.
• May improve manufacturability and cost-efficiency by localizing material properties rather than using costly materials throughout the entire part.

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Patent Abstract

Die Erfindung betrifft ein Verfahren zur Herstellung von Bauteilen mit lokal definierter unterschiedlicher physikalischer Dichte und/oder Porosität, bei dem ein Bauteilwerkstoff induktiv, konvektiv und/oder mittels Wärmestrahlung auf eine Temperatur unterhalb der Schmelztemperatur erwärmt und mittels wirkender Druckkräfte verformt wird; wobei die Erwärmung lokal definiert erfolgt und/oder die Druckkräfte lokal definiert an Oberflächen des Bauteils wirken.