Improvement of impact toughness of AWS E6010 weld metal by adding TiO2 nanoparticles to the electrode coating

Preparation of Coating Material of Welding Electrode from Marine Placer via Carbothermic Reduction

“…Tu HU, 1,3,4) Xuefeng LIAO, 1,2,3,4) Jie LI, 3,4) Jinhui PENG, 1,3,4) Libo ZHANG, 3,4) * Li YANG 3,4) and Zhaogang LI The preparation of coating material of welding electrode from marine placer via carbothermic reduction was systematically investigated. Four stages were observed in the carbothermic reduction of marine placer-coal mixture.…”

“…[1][2][3] Coating material of welding electrode made by titanium dioxide exhibits excellent performance in its mechanical property, arc stability, and viscosity. 4,5) Titanium dioxide can prevent the molten metal from being invaded by oxygen in the welding process and decreases its strength and plasticity.…”

Welding fume reduction by nano-alumina coating on electrodes – towards green welding process

“…However, few references that appear in this field deals with the influence of addition of nano materials to the electrode on the arc stability and weld properties Fattahi et al, 2011). The focus on the repeated work is to find an optimum quantity of nano material to improve the arc stability and weld metal properties.…”

“…Chen et al (2009) reported that the arc stability and weld properties were improved when the conventional marble was replaced by nano-marble in the electrode flux. Further, Fattahi et al (2011) reported that the addition of nano sized TiO 2 to the welding electrode reduced the ionization potential of arc atmosphere and in turn offered better arc stability. The nano particle additions in the welding wire and its effect on the fume emissions are yet to be investigated.…”

Reduction of weld metal diffusible hydrogen content by adding colloidal nanosilica to the electrode coating

“…The application of nanotechnology to welding science opens up new opportunity and research direction for the development of novel welding consumables [7,8]. Colloidal nanosilica sols are stable water-based suspensions, containing up to 50 wt.% of spherical amorphous silica nanoparticles.…”