Composite Adapter for Dissimilar Vehicle Body Materials
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Solution Overview
Problem
Existing structural components for vehicle pillars struggle to securely and cost-effectively connect components with different material properties, as conventional joining techniques often require compromises that degrade material properties or are difficult to implement.
Innovation Solution
A structural component design featuring a third component with multiple connection areas, each adapted to match the material properties of the first and second components, allowing for a secure, time-saving, and cost-effective connection by using suitable joining techniques for each material property, enabling a composite construction with optimized manufacturability and function.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single-material adapter element is used to connect components with different material properties, then the connection can be made, but the material properties cannot be optimized for both components simultaneously and compromises are required
Solution Approach 1:
The adapter element is designed with different material properties in different regions: the first adapter region is made of a first material compatible with the first component, while the second adapter region is made of a second material compatible with the second component. This local differentiation allows each region to be optimized for its specific connection requirement without compromising the other.
Solution Approach 2:
The adapter element is constructed as a composite structure combining multiple materials with different properties. This composite construction enables the adapter to simultaneously exhibit different material characteristics in different regions, allowing optimal connection to both aluminum and steel components (or other dissimilar materials) without requiring compromise material selection.
2Reliability
If components with different material properties are connected directly, then the structure is simple, but secure and permanent connection cannot be achieved
Solution Approach 1:
An adapter element is introduced as an intermediary component between the first component and the second component. This adapter serves as a mediator that facilitates secure connection between dissimilar materials by providing compatible connection interfaces for each component, enabling reliable joining through appropriate joining techniques for each material type.
3Ease of manufacture
If adapter elements are used to connect components with different material properties, then connection is possible, but the process becomes costly and time-consuming
Solution Approach 1:
The adapter element is segmented into distinct regions with different material properties, allowing each region to be manufactured using processes optimized for that material. This segmentation enables parallel manufacturing approaches and simplifies the overall manufacturing process by allowing each material region to be produced independently using the most efficient method for that material type.
Data Source
AI summary
A structural component for a body of a passenger car includes a first component having a first material property, a second component having a second material property different from the first material property, and a third component arranged between the first component and the second component and having a first connection area with the first material property and a second connection area with the second material property. The third component is connected to the first component via the first connection area and to the second component via the second connection area, thereby attaching the first component to the second component by way of the third component.