Zn alloy particles for high corrosion resistance rust preventive paint having crushing surface, manufacturing method thereof, high corrosion resistance rust preventive paint, high corrosion resistance steel material and steel structure

摘要

Zn alloy particles for high corrosion resistance rust prevention paint containing, by mass%, Mg: 0.01 to 30% and having a balance of Zn and unavoidable impurities, having physical fracture facets and/or cracks of a length of 0.01 µm or more or cracks of a depth of 0.01 µm or more, having an average particle size of 0.05 to 200 µm, and having an aspect ratio of maximum size and minimum size (maximum size/minimum size) of an average value of 1 to 1.5. Also, a high corrosion resistance rust prevention paint containing these Zn alloy particles and a high corrosion resistance steel material and steel structure coated with that paint.