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Precision Piercing and Blanking of Ultrahigh-strength Steel Sheets
2014
Procedia Engineering
The paper proposes new technologies able to improve the surface quality of sheared products by means of a combined process of finish blanking and press shaving applied to materials having very high strength. Experimental researches were developed and the best combination of process conditions was identified. Furthermore, the technology was checked of so-called delayed fracture properties of the products by subjecting them into a solution of hydrochloric acid. They also have proved to possess good anti-delayed fracture properties.
doi:10.1016/j.proeng.2014.10.219
fatcat:r32zhg3v2fgb5duhtyzpc5jxly