Ceramic-Coated Core-Liner Brake Disks for Interface Wear Reduction
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Solution Overview
Problem
Aircraft brake systems face significant wear issues at the core-liner interface, leading to reduced lifespan of core components and increased maintenance costs.
Innovation Solution
Application of a ceramic solution as a coating on the surfaces of core and wear liner components, which acts as a lubricant and release agent to minimize wear and facilitate easy removal during overhaul.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If a ceramic coating is applied to the core-liner interface, then the wear rate is reduced and component life is extended, but the manufacturing process complexity increases
Solution Approach 1:
The ceramic coating is applied to the core or wear liner surface before assembly, creating a protective layer in advance. This preliminary action prevents wear at the interface before the brake system is put into service, extending core component life without requiring complex modifications during operation.
Solution Approach 2:
The ceramic coating acts as an intermediary layer between the core component and the wear liner, reducing direct contact and friction. This intermediate ceramic layer minimizes wear at the interface while maintaining the structural integrity of the original components.
2Ease of repair
If the wear liner is designed to be replaceable, then maintenance cost is reduced, but the interface wear on the core increases
Solution Approach 1:
The ceramic coating serves as a protective intermediary on the core surface that withstands repeated wear liner installations and removals. This intermediary layer absorbs the wear damage that would otherwise occur at the core-liner interface, allowing the wear liner to be replaced multiple times without degrading the core.
Solution Approach 2:
The ceramic coating provides beforehand protection to the core surface against wear damage. By having this protective layer in place before any wear liner installation, the core is cushioned against the harmful effects of interface wear during subsequent maintenance cycles.
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 ceramic coating significantly reduces the wear rate at the core-liner interface, thereby extending the life of core components and reducing maintenance needs.
Implementation Method 1
the ceramic solution...acts as a release agent between the core component and the wear liner component
Implementation Method 2
The ceramic coating significantly reduces the wear rate at the core-liner interface
Data Source
AI summary
A method for decreasing a wear rate at a core-liner interface between a core component and a wear liner component of a core-liner brake stack configuration and increasing the life of the core component is disclosed herein. The method includes coating a surface of a substrate with a ceramic solution, wherein the substrate is a first surface of the core component or a second non-wearing surface of the wear liner component, wherein the first surface of the core component and the second non-wearing surface of the wear liner component meet to form an interface between the core component and the wear liner component, drying the coated surface to produce oxide particulates within the substrate, forming a coated brake disk by coupling the wear liner component onto the core component, wherein the coated brake disk includes the coated surface, and installing the coated brake disk in a multi-disk brake system.