AN EVALUATION OF THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF SUBMERGED-ARC AND GAS-METAL ARC WELDS IN HSLA-100 STEEL

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Authors
  1. Smith, N.J.
  2. Gianetto, J.A.
  3. Dolan, D.
  4. McGrath, J.T.
Corporate Authors
Defence Research Establishment Pacific, Victoria BC (CAN);Canada Centre for Mineral and Energy Technology, Ottawa ONT (CAN) Metals Technology Labs
Abstract
In Phase I of the program the objective was to evaluate commercially-available welding consumables and develop weld procedures for joining HSLA 100 steel using the submerged-arc (SAW) and gas-metal-arc (GMA) welding processes. The evaluation included a quantitative assessment of weld metal microstructure and measurement of weld metal mechanical properties. Phase II of the program will evaluate welding wire formulations that have been designed from the data of Phase I to provide optimum weld metal mechanical properties in the joining of HSLA 100 steel plate. The results obtained in Phase I are given in this report. The Phase I program has two components. Initially, bead-in-groove (BIG) welds were deposited in HSLA 100 plate with a range of commercially-available consumables to provide a fundamental understanding of the effects of weld composition and energy input on the microstructure and resultant mechanical properties of as-deposited weld metal. TRUNCATED
Report Number
DREP-CRS-90-28 — Contractors Report Series
Date of publication
15 Jul 1990
Number of Pages
51
DSTKIM No
91-00935
CANDIS No
68151
Format(s):
Hardcopy;Originator's fiche received by DSIS;Document Image stored on Optical Disk

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