Nov 26, 2021 · 2. Materials and Methods. The material of the hot-dip aluminized sample was Q ductile iron, and the sample size was 25 × 10 × 1.5 mm. Q spheroidal graphite cast iron plating samples needed to be polished off the surface oxide film, and prepared for hot plating after alkaline washing, and water washing, pickling, water washing, plating assistance, …
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