Sol-gel fluxes for flux cored welding consumables
The feasibility of producing high purity homogeneous welding fluxes by the sol-gel process and the effects that these fluxes have on the welding process were determined. Reagent grade sol-gel welding fluxes were produced by making systematic variations of the SiO/sub 2/-CaO-TiO/sub 2/-1 pct Na/sub 2/O flux system. The resulting fluxes were made into flux cored wires and used to make bead on plate welds on a niobium microalloyed HSLA steel. Sol-gel fluxes were shown to have excellent homogeneity, low residual hydrogen content, and no apparent water adsorption. The welding behaviour of the sol-gel fluxes was shown to have superior arc stability compared to a commercial flux cored wire and very low weld metal hydrogen content.
- Research Organization:
- Colorado School of Mines, Golden, CO 80401
- OSTI ID:
- 6872489
- Journal Information:
- J. Mater. Energy Syst.; (United States), Vol. 8:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CALCIUM OXIDES
SOL-GEL PROCESS
WELDING FLUXES
SILICON OXIDES
SODIUM OXIDES
STEELS
WELDING
TITANIUM OXIDES
FEASIBILITY STUDIES
FERRITE
FRACTURE PROPERTIES
HYDROGEN
INCLUSIONS
METALLURGICAL EFFECTS
METALS
MICROSTRUCTURE
NIOBIUM ALLOYS
NONMETALS
REAGENTS
WELDED JOINTS
WIRES
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
CALCIUM COMPOUNDS
CARBON ADDITIONS
CHALCOGENIDES
CRYSTAL STRUCTURE
ELEMENTS
FABRICATION
IRON ALLOYS
IRON BASE ALLOYS
JOINING
JOINTS
MECHANICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
SILICON COMPOUNDS
SODIUM COMPOUNDS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360101 - Metals & Alloys- Preparation & Fabrication