Multi-Partition Core Wire for Tailored WAAM Material Properties
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Solution Overview
Problem
Traditional wire arc additive manufacturing (WAAM) methods using solid metal wires lack the capability to create components with tailored material properties, limiting the flexibility and efficiency in producing aerospace components.
Innovation Solution
Utilization of core wires with multiple internal compartments filled with different powdered materials, heated by a concentrated energy source to generate a melted material with controlled deposition processes, allowing for the formation of components with tailored properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional solid metal wires are used in wire arc additive manufacturing, then the manufacturing process is simple, but the capability to create components with tailored material properties is limited
Solution Approach 1:
The wire is divided into multiple internal compartments (first internal compartment, second internal compartment) that can contain different powdered materials. This segmentation allows each compartment to contribute different material properties to the final component, enabling tailored material characteristics while maintaining a unified wire structure for the additive manufacturing process.
Solution Approach 2:
The invention uses composite wire structures combining a core wire with multiple powdered materials in different compartments. The core wire provides structural integrity and base material properties, while the powdered materials in internal compartments add specialized properties (such as reinforcement, corrosion resistance, or thermal properties), creating components with composite material characteristics that can be tailored for specific applications.
2Adaptability or versatility
If multiple different powdered materials are used in different compartments, then material properties can be tailored, but the device complexity increases
Solution Approach 1:
Multiple powdered materials are nested within internal compartments of the core wire structure. The first powdered material is placed in a first internal compartment, and the second powdered material is placed in a second internal compartment, both nested within the core wire. This nesting approach allows multiple materials to be integrated into a single wire component without requiring separate handling systems, maintaining process simplicity while achieving material tailoring.
Solution Approach 2:
The core wire structure serves multiple functions simultaneously: it provides the base material for deposition, contains and delivers multiple different powdered materials, and maintains structural integrity during the additive manufacturing process. This multi-functionality allows the single wire component to replace what would otherwise require multiple separate material delivery systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the production of aerospace components with improved quality and reduced costs by achieving uniform and consistent material properties through controlled deposition and reduced material waste.
Implementation Method 1
The concentrated energy heats the core wire, the first powdered material, and the second powdered material to generate a melted material
Implementation Method 2
the concentrated energy heats the core wire, the first powdered material, and the second powdered material to generate a melted material
Data Source
AI summary
A method of forming a metal workpiece is disclosed herein. The method includes applying a concentrated energy to a core wire to form melted material, and forming a metallic component from the melted material based on the concentrated energy. The core wire comprises at least two internal compartments. A first internal compartment of the at least two internal compartments comprises a first powdered material. A second internal compartment of the at least two internal compartments comprises a second powdered material. The electric current heats the core wire, the first powdered material, and the second powdered material to generate the melted material.