Additive Manufacturing of Ti-6Al-4V Aero Engine Parts: Qualification for Reliability

The present paper highlights the study carried out on the qualification aspects of aero engine parts manufactured through additive manufacturing process. The study covers mainly the parts of aeronautical workhorse material Ti-6Al-4V in terms of quality and reliability aspects contributing toward air...

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Bibliographic Details
Published in:Journal of failure analysis and prevention 2018-02, Vol.18 (1), p.136-144
Main Authors: Samuel, Mathews P., Mishra, Aditya Kumar, Mishra, R. K.
Format: Article
Language:English
Subjects:
Additive manufacturing
Aeronautics
Aerospace engines
Aircraft components
Aircraft reliability
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Component reliability
Corrosion and Coatings
Engine components
Failure modes
Materials Science
Mechanical properties
Process parameters
Production methods
Quality Control
Reliability
Reliability aspects
Safety and Risk
Solid Mechanics
Technical Article > -Peer-Reviewed
Titanium base alloys
Tribology
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Summary:The present paper highlights the study carried out on the qualification aspects of aero engine parts manufactured through additive manufacturing process. The study covers mainly the parts of aeronautical workhorse material Ti-6Al-4V in terms of quality and reliability aspects contributing toward airworthiness. The mechanical properties of various methods of additive manufacturing have been compared, and manufacturing process parameters have been studied. The paper also highlights the process validation parameters and qualification approach for this type of manufacturing. Possible failure modes and imperfections have been focused with respect to their effect on quality and reliability of the end product. The failure mitigation plan has been evolved through a three-tier approach which will be very useful to ensure the reliability of the aero engine parts.
ISSN:1547-7029
1728-5674
1864-1245
DOI:10.1007/s11668-018-0393-9