Disclosed are a high-strength,high-toughness hot-pressed steel plate member and a manufacturing method therefor.A specified hot-press process is performed on a steel plate member which, withrespect to the chemical composition of the steel plate, comprises: 0.15%-0.4wt%of C; 1.0-5.0wt% of Mn or of a .....
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Much simpler than a developing technology that employs plasma discharges, which requires a complex system for energy generation and controlSimpler and more efficient than approaches that utilize porous coating, the only viable current alternative:Stabilization of surface roughness is dependent only .....
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