Physical Metallurgy of Pulsed Current Submerged Arc Welding of Steels

この論文にアクセスする

この論文をさがす

著者

    • HRIVNAK Ivan
    • Department of Materials Science, Faculty of Materials Science and Technology

抄録

The low frequency pulsed current was applied in submerged arc welding of structural steels. This process requires a proper welding flux selection. The effect of pulsed current on weld metal solidification and structural transformations was investigated on bead-on-plate tests using various parameters of pulsed current. The latent heat of solidification can affect the microstructure of weld metal as well as that of heat affected zone. Declination of primary grains in transition between pulses was recorded. Recrystalisation and in some cases also grain coarsening was observed in precedent pulses. In 0.5% Mo welds the M–A constituent was mostly decomposed. The submerged arc pulsed current welding was applied in real welds with success. The observed shrinkage was less by 30–40% and the notch toughness of weld metals was considerably higher. The geometrical characteristics of the weld, the microstructure and weld properties are found to be largely governed by the pulse welding parameters.

収録刊行物

  • ISIJ international

    ISIJ international 38(10), 1100-1106, 1998-10-15

    The Iron and Steel Institute of Japan

参考文献:  9件中 1-9件 を表示

  • <no title>

    DORN L.

    Schweisstechnik (Zurich) 68, 95, 1978

    被引用文献1件

  • <no title>

    Measurement's Report TVFA TU Vienna (Dr. Caloun) 28.1, 1997

    被引用文献1件

  • <no title>

    POMASKA H. U.

    Praktiker 25, 264, 1975

    被引用文献1件

  • <no title>

    NEEDHAM J. C.

    Weld. Inst. Res. Bull. 8, 1977, Sept

    被引用文献1件

  • <no title>

    KRANZ B. M.

    Weld. J. 50, 420s, 1971

    被引用文献1件

  • <no title>

    EASTERLING K.

    Modelling the Microstructural Changes in Steel due to Fusion Welding 16p, 1985

    被引用文献1件

  • <no title>

    HRIVNAK I.

    Teoria zvaritel'nosti kovov a zliatin (Theory of weldability of metals and alloys 343, 1989

    被引用文献1件

  • <no title>

    ADAMS C. H.

    Weld. J. 37, 210s, 1958

    被引用文献2件

  • <no title>

    ION J. C.

    Doctoral Thesis Lulea Univ. of Tech 160, 1984

    被引用文献1件

各種コード

ページトップへ