نتایج جستجو برای: hardened steel

تعداد نتایج: 84397  

Journal: :Journal of Materials Processing Technology 2021

Abstract A new steel chemical composition is combined with a press hardening process, in which die-quenching interrupted by opening the forming tool to permit slow cooling of hot formed part through anisothermal bainitic ferrite transformation. This promotes carbon partitioning austenite before re-closed and resumed near-ambient temperature. The final microstructure predominantly dispersions ma...

Hardened nickel coating is widely used in many industrial applications and manufacturing processes because of its benefits in improving the corrosion fatigue life. It is clear that increasing the coating thickness provides good protection against corrosion. However, it reduces the fatigue life. Thus, applying a thin layer of coated nickel might give an acceptable corrosion protection with minim...

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1972

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1989

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