5000-Series Aluminum Alloy Parts via Solid-State Additive Manufacturing
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Solution Overview
Problem
Traditional metal part production methods like forging and extrusion require expensive tooling and are time-consuming, limiting the production of complex and large parts with optimal properties.
Innovation Solution
Solid-state additive manufacturing using 5000-series aluminum alloys, which involves depositing aluminum alloy layers at controlled temperatures to achieve equiaxed grain structures with minimal void space, allowing for the production of parts with high tensile strength and elongation, and enabling complex geometries without the need for expensive tooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional forging or extrusion processes are used to produce metal parts, then the parts achieve good mechanical properties, but expensive tooling is required and production time increases
Solution Approach 1:
The patent changes the fundamental process parameters from traditional melting and casting to solid-state deposition at controlled temperatures (290-500°C). This parameter change enables the production of aluminum alloy parts with equiaxed grain structures that achieve mechanical properties comparable to forging while eliminating expensive tooling requirements and reducing production time
Solution Approach 2:
The patent replaces traditional mechanical forging or extrusion processes with a solid-state additive manufacturing process that deposits material layer by layer. This substitution eliminates the need for expensive forging dies or extrusion tooling while producing parts with controlled microstructures and mechanical properties through controlled thermal and mechanical fields during deposition
2Adaptability or versatility
If traditional manufacturing methods are used for complex and large parts, then production is limited by tooling constraints, but solid-state additive manufacturing enables complex geometries
Solution Approach 1:
The patent segments the manufacturing process into controlled layer-by-layer deposition steps, allowing complex geometries to be built incrementally without requiring complex tooling for each operation. This segmentation enables the production of large and complex aluminum alloy parts that would be difficult or impossible to produce using traditional forging or extrusion methods
Solution Approach 2:
The patent transitions from traditional 2D or 3D constrained manufacturing processes to additive manufacturing that builds parts in the vertical dimension layer by layer. This dimensional approach enables complex geometries and large part sizes without being limited by tooling access or ejection constraints that plague traditional manufacturing methods
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
This method produces aluminum alloy products with properties comparable to or exceeding those of forged or extruded products, while reducing production costs and lead times, and allows for the creation of large and complex parts with tailored geometries.
Implementation Method 1
Solid-state additive manufacturing using 5000-series aluminum alloys, which involves depositing aluminum alloy layers at controlled temperatures to achieve equiaxed grain structures with minimal void space
Implementation Method 2
In certain configurations, the solid-state additive manufactured aluminum product comprises a single track of deposited solid-state additive manufactured aluminum alloy product
Implementation Method 3
at least 60% percent by volume of the aluminum in the additive manufactured aluminum alloy product are present as equiaxed grains, with aspect ratios less than 2:1
Data Source
AI summary
Solid-state additive manufactured aluminum alloy products and methods of producing them are described. At least 60% percent by volume of the aluminum in the additive manufactured aluminum alloy product is present as equiaxed grains with aspect ratios less than 2:1. There is minimal void space between metal atoms of the additive manufactured aluminum alloy product. Various parts including 5000-type aluminum alloy products are described.