Flexible Internal Electrode for Electrolyte Retention in Cavities
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electrochemical treatment techniques struggle to effectively treat the internal surfaces of metallic articles, particularly those with complex internal structures and cavities, due to size, shape, and inaccessibility issues.
Innovation Solution
A flexible electrochemical treatment electrode with a conducting body and radially extending flexible elements, including conductive or non-conductive fibres, designed to locate and retain an electrochemical treatment fluid around the electrode, allowing for effective treatment of internal surfaces within metallic articles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional electrodes are used for electropolishing, then outer surfaces can be treated effectively, but internal surfaces with complex structures cannot be accessed properly
Solution Approach 1:
The electrode employs a flexible conducting body with radially extending flexible elements that can dynamically adapt their configuration. The flexible elements can bend and deform to navigate complex internal geometries while maintaining contact with the workpiece surface, enabling access to previously unreachable internal surfaces.
Solution Approach 2:
The electrode utilizes a flexible conducting body covered with flexible elements such as flexible sheets, foams, or thin films. These flexible components can conform to the contours of internal surfaces, ensuring continuous contact and effective electrochemical treatment even in complex geometries.
2Stability of the object's composition
If rigid electrodes are used, then structural stability is maintained, but they cannot deform to match complex internal geometries
Solution Approach 1:
The electrode transitions from a rigid structure to a dynamic flexible structure that can adapt its shape. The flexible conducting body and flexible elements can deform reversibly to match various internal geometries while maintaining structural integrity through their elastic properties.
Solution Approach 2:
The electrode combines conductive materials with flexible substrates to create a composite structure. This allows the electrode to maintain electrical conductivity while gaining mechanical flexibility, enabling it to deform and adapt to complex internal surfaces without compromising structural stability.
3Reliability
If flexible elements extend radially outwardly, then treatment fluid is retained around the electrode, but the electrode structure becomes more complex
Solution Approach 1:
The flexible elements form a radial array of flexible sheets, foams, or thin films that create a natural containment structure. This radial configuration passively retains the electrochemical treatment fluid around the electrode through capillary action and physical barrier effects, eliminating the need for additional fluid retention mechanisms.
Solution Approach 2:
The flexible elements serve multiple functions simultaneously: they provide structural support, enable deformation to match geometries, retain treatment fluid through their radial arrangement, and facilitate electrical contact. This multi-functionality reduces the need for separate components, simplifying the overall electrode design.
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
The electrode enables efficient electrochemical treatment of internal surfaces, including electropolishing, by maintaining contact with the treatment fluid and facilitating current transfer, thereby improving surface finish and reducing surface roughness.
Implementation Method 1
a plurality of flexible elements connected to and extending generally outwardly of the flexible conducting body which are configured to locate an electrochemical treatment fluid around the flexible conducting body
Implementation Method 2
the plurality of flexible elements, preferably multiple flexible elements, are used to retain an electrochemical treatment fluid, such as an electrolyte, around the conductive body, to enable the electrolyte to conduct a current therethrough to facilitate electrochemical treatment
Implementation Method 3
electrochemical treatment techniques can be used to selectively treat surfaces. For example, electropolishing techniques can be used to reduce the surface roughness of such 3D printed surfaces
Data Source
AI summary
An electrochemical treatment electrode configured to contact an internal surface of metallic article with an electrochemical treatment fluid, the electrode comprising: a flexible conducting body; and a plurality of flexible elements connected to and extending generally outwardly of the flexible conducting body which are configured to locate an electrochemical treatment fluid around the flexible conducting body, wherein the plurality of flexible elements includes a plurality of conductive fibres or non-conductive fibres extending generally outwardly of the flexible conducting body, the plurality of conductive fibres or non-conductive fibres configured to contact the internal surface of the metallic article when the electrode is in use.