Factors affecting metal casting properties

Issuing time:2020-01-04 18:06

1. The filling ability of the alloy, the determining factor of the filling ability, the fluidity, the type property, the casting condition, and the casting structure of the alloy.

2. Solidification and shrinkage of liquid metal, solidification methods are: layer-by-layer solidification, paste-like solidification, intermediate solidification. The main factors affecting solidification: the crystallization temperature range of the alloy and the temperature gradient of the casting. Factors affecting shrinkage: chemical composition (c content), mold conditions, casting structure, casting temperature.

3. Liquid forming internal stress, deformation and crack, and the method of preventing deformation is basically the same as the method of preventing stress. For castings with residual stress, the deformation reduces the residual stress and tends to be stable.


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