The copper alloys of various compositions have different crystallization characteristics, different casting properties, and different casting process characteristics. The characteristics of the process are the sequential solidification process, the middle injection type pouring system, and the size of the dark riser is small. strips of copper fluidity in casting performance, easy to produce shrinkage, not easy to oxidize. Tin bronze: The crystallization characteristic is that the crystallization temperature range is wide and the solidification area is wide. Casting performance is the best (in special brass).
2. Silicon brass: The crystalline feature is between tin bronze and aluminum bronze. Aluminum bronze and aluminum brass: The crystallization characteristic is that the crystallization temperature range is small, which is the characteristic of layer-by-layer solidification. The characteristic of the process is that the aluminum bronze casting system is a bottom injection type, and the aluminum brass casting system is an open type. The process is characterized by directional solidification (sequential solidification) of thick-walled parts, and simultaneous solidification of complex thin-walled parts and general thick-walled parts. In terms of casting performance, it has good fluidity, easily forms concentrated shrinkage cavities, and is easily oxidized. 3. 1
Copper is a diamagnetic substance. (2) Good processing performance Plasticity is very good, easy to cold and hot forming; casting copper alloy has good casting performance.; excellent plasticity and easy to heat It can be made into copper materials such as tubes, rods, wires, strips, strips, plates, foils by pressing and cold pressure processing.). The density is 8-9g/cm and the melting point is 1083°C. Copper and copper alloys have high corrosion resistance to the atmosphere and water.(1) Excellent physical and chemical properties Pure copper has excellent electrical conductivity and thermal conductivity, and copper alloy has good electrical conductivity and thermal conductivity. Pure copper has good electrical conductivity and is widely used in the manufacture of wires, cables, brushes, etc.
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2. Silicon brass: The crystalline feature is between tin bronze and aluminum bronze. Aluminum bronze and aluminum brass: The crystallization characteristic is that the crystallization temperature range is small, which is the characteristic of layer-by-layer solidification. The characteristic of the process is that the aluminum bronze casting system is a bottom injection type, and the aluminum brass casting system is an open type. The process is characterized by directional solidification (sequential solidification) of thick-walled parts, and simultaneous solidification of complex thin-walled parts and general thick-walled parts. In terms of casting performance, it has good fluidity, easily forms concentrated shrinkage cavities, and is easily oxidized. 3. 1
Copper is a diamagnetic substance. (2) Good processing performance Plasticity is very good, easy to cold and hot forming; casting copper alloy has good casting performance.; excellent plasticity and easy to heat It can be made into copper materials such as tubes, rods, wires, strips, strips, plates, foils by pressing and cold pressure processing.). The density is 8-9g/cm and the melting point is 1083°C. Copper and copper alloys have high corrosion resistance to the atmosphere and water.(1) Excellent physical and chemical properties Pure copper has excellent electrical conductivity and thermal conductivity, and copper alloy has good electrical conductivity and thermal conductivity. Pure copper has good electrical conductivity and is widely used in the manufacture of wires, cables, brushes, etc.
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