Dear Anban ,
You can refer from the terminology section AWS A3.0 and other welding technology books for the following in more details :
1) Autogenous Weld - A fusion weld made without filler metal. - Examples are Solid Phase welding, resistance welding , sometimes GTAW used in tube to tubesheet in Heat Exchangers without adding Filler .
2) Homogeneous Weld - A fusion weld made with filler , in which the filler is similar to basemetal chemical and mechanical properties . Examples, Arc welding like SMAW, GTAW, FCAW, SAW, GMAW etc.
3) Heterogeneous Weld - A fusion weld made with filler material which is different from the parent material - Examples are Soldering and Brazing .
Hope this clarifies .
Cheers,
Saravanan ,
Korea
On Mon, Sep 23, 2013 at 11:28 AM, Anban <gane2478@hotmail.sg> wrote:
Dear Experts--
Pls define with some samples and its applicability
Thanks
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