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@article{INVESTIGATION OF IMPROVING WEAR RESISTANCE AND SERVICE LIFE OF DIES BASED ON MODERN TECHNOLOGIES_2026, volume={48}, url={https://americanjournal.org/index.php/ajtas/article/view/3612}, abstractNote={
This study investigates methods to enhance the wear resistance and service life of stamping dies used in automotive sheet metal forming, with a focus on galvanic cobalt alloy coating technology. Die wear represents a critical problem in modern manufacturing, directly affecting part quality and production costs. Experimental research was conducted using SKD 11 (Japanese) die steel coated with galvanic cobalt alloys at various electrolyte temperatures (40–70°C) and cathode current densities (60–70 A/dm²). Mathematical regression models were developed to optimize coating hardness and adhesion. Results demonstrate that cobalt coatings applied at 55°C with cathode current density of 60–70 A/dm² achieve the highest wear resistance—approximately 3.5 times greater than coatings deposited at 70°C. Coating thickness of 8–12 μm was found optimal for die surface applications. The implemented technology at Fergana Mechanics Plant reduced die manufacturing costs by 7–10% and extended die service life by 6–8%, generating an annual economic benefit of 27,637,500 UZS.
}, journal={American Journal of Technology and Applied Sciences}, year={2026}, month={May}, pages={68–73} }