Assisted self-healing of fatigue damage in metals

Reference number 2018-04273
Coordinator Linköpings universitet - Institutionen för ekonomisk och industriell utveckling
Funding from Vinnova SEK 500 000
Project duration November 2018 - November 2019
Status Ongoing
Venture Banbrytande idéer inom industriell utveckling
Call Banbrytande idéer inom industriell utveckling - 2018

Purpose and goal

The purpose of this project is to investigate the possibility of using different metallurgical processes that can eliminate or minimise fatigue damage in metallic materials after a time of use. Processes that can be described as assisted self-healing of fatigue damage in metallic materials. This would enable more efficient remanufacturing of components in a variety of applications and industries, which would have great benefits from an environmental and economic perspective and promote the introduction of a more circular economy.

Expected results and effects

In traditional remanufacturing, you can either determine the conditions for continued use in terms of time and/or load or apply appropriate repair methods. Today, it is usually about weld-repair of cracks and applying new surface layers. In this project, however, we intend to study metallurgical processes, which can be applied at an earlier stage, but which can restore the properties and microstructure of the material as close as possible to that of new ones. This would contribute to a significantly more efficient remanufacturing process.

Planned approach and implementation

The project is divided into 3 work packages (WP). WP1: Different processes for recovery of various deformation-induced structural changes in metallic materials will be investigated. WP2: This work package aims at investigating the possibility of utilizing phase changes and precipitations to extend fatigue life in metallic materials. WP3: In parallel with the above work packages, the environmental and business conditions for introducing these processes will be investigated in a more large-scale and industrial perspective.

The project description has been provided by the project members themselves and the text has not been examined by our editors.