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Weldability and joining characteristics of AISI 430/AISI 1040 steels using keyhole plasma arc welding

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Abstract

AISI 430 and AISI 1040 steel couples were welded using the keyhole plasma-transferred arc (KPTA) welding process. Welded joints were manufactured using three different traverse speeds (0.01, 0.02 and 0.03 m/min) under three different welding currents (130, 135 and 140 A) at a constant plasma gas flow rate (1.1 l/min) and a shielding gas rate (25 l/min). In order to determine the microstructural changes that occurred, the interface regions of the welded specimens were examined by Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD) and Energy Dispersive Spectrometry (EDS) after KPTA welding. Microhardness, V-notch Charpy and tensile tests were conducted to determine the mechanical properties of the welded specimens.

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Authors and Affiliations

  1. Vocational Education Center, 23500, Elazığ, Turkey

    Tanju Teker

  2. Department of Metal, University of Fırat, Faculty of Technical Education, 23119, Elazığ, Turkey

    Niyazi Özdemir

Authors
  1. Tanju Teker
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  2. Niyazi Özdemir
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Correspondence to Tanju Teker.

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Teker, T., Özdemir, N. Weldability and joining characteristics of AISI 430/AISI 1040 steels using keyhole plasma arc welding. Int J Adv Manuf Technol 63, 117–128 (2012). https://doi.org/10.1007/s00170-011-3890-5

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  • DOI: https://doi.org/10.1007/s00170-011-3890-5

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