| Issue |
MATEC Web Conf.
Volume 188, 2018
5th International Conference of Engineering Against Failure (ICEAF-V 2018)
|
|
|---|---|---|
| Article Number | 03016 | |
| Number of page(s) | 7 | |
| Section | Metallic Materials II: Damage Accumulation, Structural Integrity, Advanced Manufacturing Techniques | |
| DOI | https://doi.org/10.1051/matecconf/201818803016 | |
| Published online | 07 August 2018 | |
Fatigue assessment of semi-circular notched specimens produced by Laser Engineered Net Shaping method
1
Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology (NTNU),
7491
Trondheim,
Norway.
2
Institute for Mechanical Engineering and Materials Technology, University of Applied Sciences of Southern Switzerland,
CH-6928
Manno,
Switzerland.
3
Department of Engineering and Management, University of Padova,
Stradella San Nicola 3,
36100
Vicenza,
Italy.
As a primary failure mechanism, fatigue failure of additively manufactured metallic parts has attracted considerable attention in both aerospace and biomedical applications. According to some specific design requirements, the majority of engineering components and structures contain notches of different shapes. Due to the intensive stresses around the notches, they are prone to crack nucleation. In this research, LENS (Laser Engineered Net Shaping) technology is used to fabricate Ti-6Al-4V semi-circular notched specimens. The fatigue analyses were performed to contribute to the fundamental understanding of the mechanical/cracking behaviour of additively manufactured LENS Ti-6Al-4V specimens weakened by semi-circular notches and subject to fatigue loading.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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