heat treatment

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Heat treatment is an elaborate process and the process is simply explained

Updated: May 26, 2020

Many castings are used in the as-cast condition, but certain applications require higher mechanical properties than the as-cast material. Most of the gravity die casting and sand casting alloys can be heat treated. Pressure die casted components can seldom be heat treated. The purposes of heat treatment are as follows:

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Hard Anodizing in Aluminium Casting

Updated: June 30, 2020

Aluminium has strong affinity to oxygen and formation of a compact oxide layer onto its surface exhibits high corrosion resistance in air and water solutions.

The anodizing is an electrolytic process, the aluminium casting immersed in the electrolyte (usually acids e.g. sulphuric, ortho phosphoric and oxalic), is the anode. The cathode is made of aluminium alloy, lead or stainless steel.

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