A batch of castings fails inspection. The surface looks clean, but X-ray or machining reveals dark, irregular patches buried beneath. These slag inclusions cost you yield, rework hours, and a difficult conversation with your customer. If you are reviewing a defect...
Every foundry engineer knows the sinking feeling when X-ray results show that cluster of shrinkage porosity in the exact same spot again. Your first instinct might be to blame the tooling, but most aluminum casting Shrinkage defects are process control problems...
You cut the casting open to find a cluster of dark, round voids staring back at you. Whether it's gas porosity or shrinkage, the part fails inspection either way. The fixes couldn't be more different, though, and guessing wrong means chasing the wrong root cause for...
A casting comes out of the mold looking perfect. Then QC cuts it open, or worse, it fails in service, and there's a cavity sitting right where the wall was thickest. metal casting shrinkage is pure physics. Every alloy contracts through three distinct stages as it...
What Are Oxide Inclusions and Why They Damage Metal QualityOxide inclusions are non-metallic particles trapped inside your metal. They come in more varieties than most operators expect.Common compositions include Al₂O₃, SiO₂, MnO, Cr₂O₃, and TiOₓ, plus compound forms...
Scrapped castings. Rework costs climbing. A customer rejection just landed in your inbox.Porosity keeps showing up in your parts. You know the frustration. But most shops fix the symptom, not the root cause.Why your castings have porosity isn't always a clear answer....
