A Method for Dendrite Corrosion and Measurement of High Carbon Steel Slab
A high-carbon steel and slab technology, which is applied in the field of high-carbon steel slab dendrite corrosion and measurement, can solve the problems of dendrite structure damage, large amount of chemical reagents, and slab structure errors, etc. organization clarity effect
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Embodiment 1
[0019] The sample in the embodiment of the present invention, its chemical composition is C: 0.65%, Si: 0.8%, Mn: 0.5%, P: 0.015%, S: 0.020% high carbon steel continuous casting round billet sample, from the round billet Continuously cut samples with a length of 30 mm and a width of 20 mm from the surface layer to the radius of the core.
[0020] A method for dendrite corrosion and measurement of high carbon steel slab, comprising the following steps:
[0021] 1) Grind and polish the cross-section of the sample billet to a mirror surface according to the requirements of conventional metallographic inspection;
[0022] 2) Prepare a corrosive agent, dissolve picric acid and cuprous chloride in distilled water, then add detergent, stir and mix to obtain the product; the mass concentration of picric acid is 0.3%, and the mass concentration of cuprous chloride is 0.1%. The concentration of essence is 1%, and the balance is distilled water.
[0023] 3) Immerse the polished sample ...
Embodiment 2
[0026] The sample in the embodiment of the present invention, its chemical composition is C: 0.60%, Si: 0.75%, Mn: 0.55%, P: 0.013%, S: 0.015% high carbon steel continuous casting round billet sample, from the round billet Continuously cut samples with a length of 30 mm and a width of 20 mm from the surface layer to the radius of the core.
[0027] A method for dendrite corrosion and measurement of high carbon steel slab, comprising the following steps:
[0028] 1) Grind and polish the cross-section of the sample billet to a mirror surface according to the requirements of conventional metallographic inspection;
[0029] 2) Configure corrosive agent, dissolve picric acid and cuprous chloride in distilled water, then add detergent, stir and mix to get final product; the mass concentration of picric acid is 0.3%, the mass concentration of cuprous chloride is 0.15%, and the The concentration of essence is 1.5%, and the balance is distilled water.
[0030] 3) Immerse the polished...
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