Biaxial fatigue tests of notched specimens for AISI 304L stainless steel
High cycle fatigue tests were conducted for stainless steel AISI 304L. The geometry was a thin walled tube with a passing through hole. The tests were axial, torsional and in-phase axial-torsional, all of them under load control with R = −1. The S-N curves were constructed following the ASTM E739...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Gruppo Italiano Frattura
2016-07-01
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| Series: | Fracture and Structural Integrity |
| Subjects: | |
| Online Access: | http://www.gruppofrattura.it/pdf/rivista/numero37/numero_37_art_30.pdf |
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| Summary: | High cycle fatigue tests were conducted for stainless steel AISI 304L. The geometry was a thin walled
tube with a passing through hole. The tests were axial, torsional and in-phase axial-torsional, all of them under
load control with R = −1. The S-N curves were constructed following the ASTM E739 standard and the fatigues
limits were calculated following the method of maximum likelihood proposed by Bettinelli. The crack direction
along the surface was analysed, with especial attention to the crack initiation zones. The notch fatigue limits for
different hole diameters were compared with the predictions done with a microstructural fracture mechanics
model. |
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| ISSN: | 1971-8993 1971-8993 |