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Customized Polishing Aluminum Alloy Die Casting Parts/Aluminum Die Casting for Electric Power Construction
Aluminum casting defects features: oxidation slag distribution on the casting surface, in the corner parts of
the mould stuffy.Fracture ashen white or yellow, the Xray or found during machining, can also be found in
the alkaline cleaning, acid pickling or anodized.The experimental results show that adding proper additive in
NaOH solution can produce a good polishing effect.Exploratory experiment also found that: with NaOH
solution under certain conditions of glucose after dc constant voltage electrolytic polishing, aluminum surface
reflectance can reach 90%, but as a result of the experiment also exists instability, needs further research.
Explores the dc pulse electrochemical polishing method, the feasibility of polished aluminium in alkaline
conditions, the results show that the pulse electrochemical polishing method can achieve dc constant voltage
electrolysis polishing leveling effect, but the leveling speed slower.Aluminum and its alloys in neutral system
anodic oxidation deposit form class ceramic amorphous composite transfer of membrane process,
properties, morphology, composition and structure, preliminary discussion on the film-forming process and
the mechanism of the film.
Because the metal aluminium and aluminium alloy has good liquidity and plasticity, so the aluminum die
casting can make all kinds of complicated shape, can also make a higher precision and smooth finish, thus
greatly reduced the mechanical processing capacity of the casting and the metal aluminum or aluminum
alloy casting allowance not only saves electricity, metal materials, but also greatly save the labor cost;
Aluminium and aluminium alloy has excellent thermal conductivity, the proportion of small and high
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