Mirror Pure Tungsten

mirror pure tungsten

Mirror Pure Tungsten

Mirror pure tungsten means pure tungsten products will be polished to a mirror effect. Polishing is the process of creating a smooth and shiny surface by rubbing it or using a chemical action, leaving a surface with a significant specular reflection. Mirror pure tungsten often made by electrolysis mirror polishing. Typically, the pure tungsten product is immersed in a temperature-controlled bath of electrolyte and serves as the anode. It is connected to the positive terminal of a DC power supply, the negative terminal being attached to the cathode. A current passes from the anode, where metal on the surface is oxidized and dissolved in the electrolyte, to the cathode. At the cathode, a reduction reaction occurs, which normally produces hydrogen. Mirror polishing process can reduce the roughness of the surface of the pure tungsten products, getting brighter and more flat surface. The strength of polished products is normally higher than their rougher counterpart owing to the removal of stress concentrations present in the rough surface.

Mirror Pure Tungsten Operating Parameters

Metal Electrolyte Composition Cathode Slotted
Voltage /V
Anodic Current Density A/dm² Temperature ℃ Polishing Time/min Remarks
Tungsten and Its Alloys 10%NaOH+90%H2O Stainless Steel 6 3~6 20 20~30 Stirring Electrolyte
Sodium Hydroxide       40g
Ammonium Phosphate40g
High K2CrO4             0.5g
H2O                              1L
Lead, Copper, Graphite 7   50 Several Minutes  
Na3PO4.12H2O       160g
H2O                              1L
Copper   9 44~55 10 Carbide Polishing
Sodium Fluoride           7g
Ethanol                     30ml
H2O                          70ml
  50 2 35~45 Several Minutes  
2%Sodium Hydroxide Aqueous Solution   1~12     1~2  

 

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