A METALLOGRAPHIC CORRADING AGENT SHOWING MARTENSITIC STAINLESS STEEL STRUCTURE
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Graphical Abstract
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Abstract
HF+HNO3 water solution can be used for corroding of metallographic sample of martensitic stainless steel, corroding efficacious is the same as its of 4% nitric acid alcohol solution, corroding speed is quick and corroding test surface is clear, similar discoloration made on test surface can be avoided when FeCl+HCl water solution is applied.
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