Research on Water-Based Coatings for Aluminum Alloys Metal Mold Casting
Using diatomite,sepiolite,kaolin and talc as composite refractory aggregate,water glass and quick-drying silica sol as composite binder,sodium alginate and sodium carboxymethyl cellulose(CMC)as composite suspension agent,the optimal ratio of each component of metal mold water-based casting coating for aluminum alloy was determined by orthogonal test and range analysis method.The properties of the coatings were measured and verified by experiments.It was found that the best formulation of the coatings had good properties and could be used in practical production.
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