Surface modification of low carbon steel to improve corrosion resistance

It is shown that amorphous alloys of the Fe-Nb-Si-B-Cu system are practically not used as soft-magnetic materials in the initial (freshly quenching) state. It is proposed to perform post-quenching annealing of products to improve the soft-magnetic properties. Annealing modes, which remove winding and quenching stresses are studied. Is established the optimal annealing mode, in which a favorable structure is formed. It is an amorphous alloy-nanocrystal composition. This composition can significantly increase the magnetic permeability, reduce the coercive force and the loss of magnetization reversal. This treatment will provide optimal performance characteristics for the amorphous alloy used. The paper studies and compares the magnetic properties of the amorphous alloy-nanocrystal composition obtained at different annealing temperatures. It is shown that the most significant comparison is the dependence of the magnetic induction B (Tl) by the magnetic field strength H (A/m).

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Optimization of Multi-Performance Parameters in EDM through Grey Relational Analysis using Deionized Water

Singh,

Yadav,

Sisodia

et al. 2024

jmmf

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This study includes an experimental study of the effect of input process parameters on output parameters during the EDM of C-20 mild steel. Deionized water is being investigated as a sustainable alternative to Electrical Discharge Machining (EDM) oil, reducing toxic emissions and enhancing process sustainability. ANOVA results revealed that current and voltage had the largest impact on MRR, while TON significantly affected TWR and TON had the greatest influence on surface roughness. The study found that increasing the current and voltage resulted in significant increases in MRR (164.78% and 99.49%, respectively) and TWR (21.19% and 26.02%, respectively). However, an improve in TON led to a decrease in TWR (by 66.7%) but an increase in MRR (by 59.57%). Increased current, voltage, and TON result in a 74.34%, 72.14%, and 108.15% improvement in surface roughness, respectively. The Grey relational analyses were used for best optimum result which comes on parameters current 12 amps, voltage 20 volts and TON 200 μs.

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Surface modification of low carbon steel to improve corrosion resistance

Cited by 3 publications

References 37 publications

Single-pass GTAW cladding of aluminum clad metal on SCM440 low-alloy steel surface

Single-pass GTAW cladding of aluminum clad metal on SCM440 low-alloy steel surface

Magnetic properties of the composition of nanocrystals and amorphous matrix in an alloy of the Fe-Nb-Si-B-Cu system

Optimization of Multi-Performance Parameters in EDM through Grey Relational Analysis using Deionized Water

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