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Liquidity and production process of aluminum bronze casting
- Sep 21, 2018 -

Aluminum bronze casting has relatively high mechanical properties during operation. It has corrosion resistance, wear resistance and fluidity to a certain extent. It can cast dense castings. Its cast manganese bronze also generally adds elements such as aluminum, iron and nickel. It is resistant to corrosion and heat and is suitable for parts that work at high temperatures.

  

Aluminum bronze casting will also add elements such as iron, manganese and nickel during the production process, which is suitable for making high-strength and corrosion-resistant parts. Among the tin-phosphorus bronzes, phosphorus is a good deoxidizer for copper alloys, which can increase the fluidity of the alloy, improve the process and mechanical properties of tin bronze, but increase the degree of reverse segregation.

  

The limit solubility of phosphorus in tin bronze in aluminum bronze casting is 0.15%. When too much, α + δ + Cu3P ternary eutectic will be formed, and the melting point is 628 ° C. It is easy to produce hot brittleness during hot rolling and can only be cold worked. Therefore, the phosphorus content in the deformed tin bronze should not exceed 0.5%, and the phosphorus should be less than 0.25% during hot working. Phosphorus-containing tin bronze is a well-known elastic material, and it is necessary to control the grain size before cold working and low-temperature annealing after processing during processing.

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