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ASTM Selected Technical Papers
Structural Integrity of Additive Manufactured Parts
By
Nima Shamsaei,
Nima Shamsaei
Symposium Chair and STP Editor
1
Auburn University
, Auburn, AL,
US
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Steve Daniewicz,
Steve Daniewicz
Symposium Chair and STP Editor
2
The University of Alabama
, Tuscaloosa, AL,
US
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Nik Hrabe,
Nik Hrabe
Symposium Chair and STP Editor
3
National Institute of Standards and Technology
, Boulder, CO,
US
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Stefano Beretta,
Stefano Beretta
Symposium Chair and STP Editor
4
Politecnico di Milano
, Milan,
IT
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Jess Waller,
Jess Waller
Symposium Chair and STP Editor
5
National Aeronautics and Space Administration
, HX5, Las Cruces, NM,
US
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Mohsen Seifi
Mohsen Seifi
Symposium Chair and STP Editor
6
ASTM International
, Washington, DC,
US
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ISBN:
978-0-8031-7686-7
No. of Pages:
594
Publisher:
ASTM International
Publication date:
2020
eBook Chapter
Fatigue Assessment of 17-4 PH Stainless Steel Notched Specimens Made by Direct Metal Laser Sintering
By
Filippo Berto
,
Filippo Berto
1
Dept. of Mechanical and Industrial Engineering, Norwegian University of Science and Technology
, Richard Birkelands vei 2B, 7034 Trondheim,
NO
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Ali Fatemi
,
Ali Fatemi
2
Dept. of Mechanical Engineering, University of Memphis
, Poplar Ave., Memphis, TN 38152,
US
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Nima Shamsaei
,
Nima Shamsaei
3
National Center for Additive Manufacturing Excellence, Auburn University
, Lem Morrison Dr., Auburn, AL 36849,
US
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Seyed Mohammad Javad Razavi
Seyed Mohammad Javad Razavi
1
Dept. of Mechanical and Industrial Engineering, Norwegian University of Science and Technology
, Richard Birkelands vei 2B, 7034 Trondheim,
NO
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Page Count:
8
-
Published:2020
Citation
Berto, F, Fatemi, A, Shamsaei, N, & Razavi, SMJ. "Fatigue Assessment of 17-4 PH Stainless Steel Notched Specimens Made by Direct Metal Laser Sintering." Structural Integrity of Additive Manufactured Parts. Ed. Shamsaei, N, Daniewicz, S, Hrabe, N, Beretta, S, Waller, J, & Seifi, M. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959 : ASTM International, 2020.
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Direct metal laser sintering (DMLS) offers economical production of customized components with complex geometries in a shorter design-to-manufacture cycle. Similar to other additive manufacturing (AM) techniques, this method is used for the production of complex geometries that include various kinds of notch geometries. The basic understanding of the fatigue behavior of the notched specimens produced with AM techniques, however, must be substantially improved before the unique features of this rapidly developing technology can be used in critical load bearing applications. The axial and torsional fatigue behavior of severely notched components made of additively manufactured 17-4 PH stainless steel was studied in the present paper. The experimental fatigue tests were performed under axial- and torsional-loading conditions. Cylindrical specimens with notch tip radius of 0.1 mm were employed to evaluate the fatigue behavior of the specimens under different loading conditions.
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