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Quasistatic and fatigue behavior of an AISI H13 steel obtained by additive manufacturing and conventional method
Abstract
This work aims to compare the mechanical behavior of an AISI H13 steel obtained by additive manufacturing with that obtained by conventional manufacturing methods. The average values of the ultimate tensile strength (UTS) and ductility obtained for the specimens produced by the conventional method were equal to 658 MPa and 18%, respectively, which compares with 503 MPa and 0.75% registered for the selective laser melting (SLM) specimens. Inversely, the average hardness value determined for the SLM specimens was higher, 450 HV, than the observed for the conventional, 200 HV. In addition, the maximum applied stress corresponding to a fatigue limit's endurance of 2 x 106 cycles was equal to 340 and 85 MPa for conventional and SLM specimens, respectively. Therefore, from a fatigue design point of view, it was possible to infer that σmax/UTS = 0.17 for the SLM specimens tested. Porosity and lack of fusion influenced the static and the fatigue strength negatively in the SLM specimens.
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Authors (7)
-
José F. Garcias
-
Rui F. Martins
-
Ricardo Branco
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Zbigniew Marciniak
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Cândida Pereira
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Cyril Santos
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1111/ffe.13565
- License
- Copyright (2021 John Wiley & Sons, Ltd)
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES
no. 44,
pages 3384 - 3398,
ISSN: 8756-758X - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Garcias J. F., Martins R. F., Branco R., Marciniak Z., Macek W., Pereira C., Santos C.: Quasistatic and fatigue behavior of an AISI H13 steel obtained by additive manufacturing and conventional method// FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES -Vol. 44,iss. 12 (2021), s.3384-3398
- DOI:
- Digital Object Identifier (open in new tab) 10.1111/ffe.13565
- Verified by:
- Gdańsk University of Technology
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