Functional Gradient Coatings for Landing Gear
ID: AF233-D011Type: BOTH
Overview

Topic

Functional Gradient Coatings for Landing Gear

Agency

Department of DefenseN/A

Program

Type: SBIRPhase: BOTHYear: 2023

Topic Link

https://www.sbir.gov/node/2447985

Additional Information

https://www.defensesbirsttr.mil/
Timeline
  1. 1
    Release Aug 23, 2023 12:00 AM
  2. 2
    Open Sep 20, 2023 12:00 AM
  3. 3
    Next Submission Due Oct 18, 2023 12:00 AM
  4. 4
    Close Oct 18, 2023 12:00 AM
Description

The Department of Defense (DoD) is seeking proposals for the development of functional gradient coatings for landing gear. The objective is to develop coatings that allow for greater dimensional restoration of work surfaces on landing gear, reducing or eliminating the use of hexavalent chrome and reducing production time. The current process involves the use of Engineering Hard Chrome, which is being replaced by High Velocity Oxygen Fuel (HVOF) deposited Tungsten Carbide Cobalt. However, excessive build of this coating can lead to stress cracks and coating separation. The proposed solution is a Functional Gradient Coating (FGC) that consists of a build layer, an intermediary transition layer, and a wear coating layer. This FGC will provide greater dimensional restoration while still applying a replaceable wear-resistant layer. The project will be conducted in three phases: Phase I involves feasibility documentation, Phase II includes spraying the FGC on multiple candidate aircraft parts and conducting flight worthiness testing, and Phase III focuses on upgrading machinery and implementing the FGC process. The project is restricted under the International Traffic in Arms Regulation (ITAR) and the Export Administration Regulation (EAR). The solicitation is closed, and more information can be found on the DoD SBIR website.

Files
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