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

Teker T., Ozdemir N.

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, cilt.63, ss.117-128, 2012 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 63
  • Basım Tarihi: 2012
  • Doi Numarası: 10.1007/s00170-011-3890-5
  • Dergi Adı: INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.117-128
  • Anahtar Kelimeler: Keyhole welding, Microstructure, Mechanical properties
  • Sivas Cumhuriyet Üniversitesi Adresli: Hayır

Özet

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.