Fatigue resistance of AL6XN super-austenitic stainless steel welded with electromagnetic interaction of low intensity during GMAW

  • I. S. Cortés-Cervantes
  • V. H. López-MorelosEmail author
  • Y. Miyashita
  • R. García-Hernández
  • A. Ruiz-Marines
  • M. A. Garcia-Renteria


Plates of AL6XN super-austenitic stainless steel with a single-V groove preparation were gas metal arc welded (GMAW) with and without electromagnetic interaction of low intensity (EMILI) during welding using an ER-NiCrMo3 filler wire and 97% Ar + 3% N2 as shielding gas. The fatigue behavior of the welded joints was evaluated under constant stress amplitude (Δσ/2) between 135 and 170 MPa (R = 0.1) and uniaxial load. The Wöhler diagram indicated that for stress amplitude of 170 MPa, 4.19 × 105 and 2.96 × 105 cycles were required for failure without and with EMILI, respectively, whereas for 135, 140, and 145 MPa, 1 × 107 cycles were reached without failure. Welding with EMILI was found to have a positive effect nearby fatigue limit. Observation of the fractures indicates that failures started on the surface of the specimens in the weld metal (WM) due to the stress concentration induced by the abundant presence of precipitates located along the interdendritic spaces in this zone of the welded joint. These particles acted as crack-nucleating agents and then the crack propagated throughout the WM. Fractography revealed brittle fracture associated to cleavage.


AL6XN super austenitic stainless steel Fatigue resistance Electromagnetic interaction of low intensity 


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ISCC thanks CONACyT-México for the scholarship provided.

Funding information

Funding was provided by CIC-UMSNH and PIFI-SEP México.


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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2018

Authors and Affiliations

  • I. S. Cortés-Cervantes
    • 1
  • V. H. López-Morelos
    • 1
    Email author
  • Y. Miyashita
    • 2
  • R. García-Hernández
    • 1
  • A. Ruiz-Marines
    • 1
  • M. A. Garcia-Renteria
    • 3
  1. 1.Instituto de Investigación en Metalurgia y MaterialesUniversidad Michoacana de San Nicolás de HidalgoMoreliaMexico
  2. 2.Department of Mechanical EngineeringNagaoka University of TechnologyNagaokaJapan
  3. 3.Facultad de MetalurgiaUniversidad Autónoma de CoahuilaMonclovaMexico

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