Analysis of different welding speeds and the micro structure on the welded joints of silicon steel pipe

Abstract

This research “the analysis of different welding speeds, the micro structure on the welded joints of silicon steel pipe” has been carried out on precise and accurate measurements of parameters. The effects of different laser powers on the weld material have critically been studied and analyzed. Welding speeds have great effect on the micro-structure and morphology of the weld material. The determination of the basic components of the active agent is the key of the preparation. The active materials selected in this experiment are the commonly used oxides (SiO2, TiO2, and Cr2O3) and fluoride (NaF) reagents. However, the comprehensive experiment contains a large number of the level of combination; the workload is huge, due to the experimental site, experimental materials, funding, and time constraints lead to low efficiency. In the laser welding of silicon steel sheet, coating active agent can increase the penetration depth and affect the weld formation, and the influence of active agent NaF and SiO2 on weld penetration of silicon steel sheet is significant. The formula G is the most effective in increasing the penetration depth, including 25% SiO2, 25% TiO2, 12.5%Cr2O3 and 37.5% NaF.

Effects of oxygen absorption on the electronic and optical properties of armchair and zigzag Silicon Carbide Nanotubes (SiCNTs)

“…Our calculations were done in two orientations relative to the nanotubes'axis [17], which is parallel and perpendicular directions. The interaction energies as a function of distance from the center were calculated [18], the results were tabulated in table 3. As expected, the equilibrium distances R (Å) are normal between center of mass of oxygen molecule and the nanotubes [19].…”

The potentials of boron-doped (nitrogen deficient) and nitrogen-doped (boron deficient) BNNT photocatalysts for decontamination of pollutants from water bodies

“…Materials that undergo higher compressions perform no photocatalytic activity. 17 It is therefore necessary to investigate the materials' response to external stress before being imported for photocatalysis. For the purpose of this work, we have evaluated the effects of tensile pressure (stress) on the volumes of the pristine, B-doped and N-doped SWBNNT structures.…”

DFT Studies of the Photocatalytic Properties of MoS2-Doped Boron Nitride Nanotubes for Hydrogen Production

“…In addition, doping of the study material has a significant impact on its volume. Due to this stability, 18 we selected this optimized material as a representative case study of our research.…”