Comparative test of a reference blade made of ШХ15 and ШХ15 annealed for damask steel.

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Артем Нимерчук

Published on Premiered Dec 16, 2022
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This video is for review and comparison of steel taken from one piece of a blank with a diameter of 40 mm, the reference knife was forged at the temperature mode of damask steel without annealing, with the original structure of 20-fold precipitation on a hammer + torsion of a forged rod. Processed according to the grade shkh15 on the cut gives 0.5 of the standard, that is, the characteristics of this steel are improved by 2 times compared to the original steel, the improvement occurs during forging at a temperature close to the lower critical point. Thus, the steel undergoes natural thermal cycling of about 100-150 cycles. The blade annealed for damask steel underwent the following processes: high-temperature annealing 1100C holding for 1 hour, cooling with a furnace, the entire annealing process took 4 hours. The next stage is forging, a 40mm diameter blank was radially deposited, the forging temperature was 780-650 C, manual forging with a 2kg hammer tip took 28 hours, 250 heating cycles to a 5x30 strip condition, then the actual blade forging, annealing, metalworking and heat treatment. As a result, after etching the polished surface of the blade, a very fine damask pattern and 1.66 standard for cutting, with the same sharpening angles. In general, see for yourself.

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