Production Diagnosis: Frequent Porosity in Aluminum Die Casting? It Might Not Be Your Process, But Your Silicon Source.
In aluminum die-casting workshops, porosity is the number one cause of scrap. When the X-ray inspector reveals pinholes, or when bubbles appear on machined surfaces causing a whole batch to be rejected, the first reaction of most production managers is usually: adjust the die-casting parameters, check the mold venting, or review the refining process.
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