EFFECT OF WELDING STRESSES INDUCED BY HAZ ON THE WELDMENT TOUGHNESS | ||
| AL-TAQANI | ||
| Article 1, Volume 25, Issue 1, March 2012, Pages 0-0 | ||
| Authors | ||
| Abdul-Wahab Hassan Khuder; Sabah Khammass Hussein | ||
| Abstract | ||
| The aim of this work is to study the effect of welding stresses induced by heat affected zone (HAZ) on the weldment toughness. Two types of welding electrode (AWS E6010& AWS E6013) are used to weld the specimen. In which the notch is machined at the weld metal for the specimen at the HAZ (x=0.0 mm), (x=5 mm) and (x=10mm) at region near the base metal measured from the center of specimen. The welding operation is achieved at three values of currents for each electrode type, such that the current values are (I=70, 80 & 90Amp.). The results indicated that for the weldment tested for type (E6010), the impact energy increase gradually during increasing the current, and for type (E6013), the energy decrease gradually with current. That means the current has an effect on the stress on the weld mental. The results also illustrate that the increasing in the stresses was found in the higher current in the welding wire (E6010) as comparing with (E6013) for all values of the welding distance (x). | ||
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