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- Dual-phase_steel abstract "Dual-phase steel (DPS) is a high-strength steel that has a ferrite and martensitic microstructure. DPS starts as a low or medium carbon steel and is quenched from a temperature above A1 but below A3 on a continuous cooling transformation diagram. This results in a microstructure consisting of a soft ferrite matrix containing islands of martensite as the secondary phase (martensite increases the tensile strength). Therefore, the overall behavior of DPS is governed by the volume fraction, morpology (size, aspect ratio, interconnectivity, etc.), the grain size and the carbon content. For achieving these microstructures, DPS typically contain 0.06–0.15 wt.% C and 1.5-3% Mn (the former strengthens the martensite, and the latter causes solid solution strengthening in ferrite, while both stabilize the austenite), Cr & Mo (to retard pearlite or bainite formation), Si (to promote ferrite transformation), V and Nb (for precipitation strengthening and microstructure refinement).The desire to produce high strength steels with formability greater than microalloyed steel led the development of DPS in the 1970s.DPS have high ultimate tensile strength (UTS, enabled by the martensite) combined with low initial yielding stress (provided by the ferrite phase), high early-stage strain hardening and macroscopically homogeneous plastic flow (enabled through the absence of Lüders effects). These features render DPS ideal materials for automotive-related sheet forming operations. The steel melt is produced in an oxygen top blowing process in the converter, and undergoes an alloy treatment in the secondary metallurgy phase. The product is aluminum-killed steel, with high tensile strength achieved by the composition with manganese, chromium and silicon.Their advantages are as follows:Low yield strengthLow yield to tensile strength ratio (yield strength / tensile strength = 0.5)High initial strain hardening ratesGood uniform elongationA high strain rate sensitivity (the faster it is crushed the more energy it absorbs)Good fatigue resistanceDue to these properties DPS is often used for automotive body panels, wheels, and bumpers.".
- Dual-phase_steel thumbnail Dual_Phase_Steel.jpg?width=300.
- Dual-phase_steel wikiPageExternalLink 02451.pdf.
- Dual-phase_steel wikiPageExternalLink S0927025615001524.
- Dual-phase_steel wikiPageID "15054348".
- Dual-phase_steel wikiPageLength "4758".
- Dual-phase_steel wikiPageOutDegree "23".
- Dual-phase_steel wikiPageRevisionID "675170050".
- Dual-phase_steel wikiPageWikiLink Aluminium.
- Dual-phase_steel wikiPageWikiLink Bumper_(automobile).
- Dual-phase_steel wikiPageWikiLink Carbon_steel.
- Dual-phase_steel wikiPageWikiLink Category:Steels.
- Dual-phase_steel wikiPageWikiLink Category:Vehicle_technology.
- Dual-phase_steel wikiPageWikiLink Chromium.
- Dual-phase_steel wikiPageWikiLink Continuous_cooling_transformation.
- Dual-phase_steel wikiPageWikiLink Deoxidized_steel.
- Dual-phase_steel wikiPageWikiLink Dual_Phase_Steels_Magnetism_Modeling.
- Dual-phase_steel wikiPageWikiLink Ferrite_(iron).
- Dual-phase_steel wikiPageWikiLink Formability.
- Dual-phase_steel wikiPageWikiLink Manganese.
- Dual-phase_steel wikiPageWikiLink Martensite.
- Dual-phase_steel wikiPageWikiLink Microalloyed_steel.
- Dual-phase_steel wikiPageWikiLink Microstructure.
- Dual-phase_steel wikiPageWikiLink Oxygen.
- Dual-phase_steel wikiPageWikiLink Quarter_panel.
- Dual-phase_steel wikiPageWikiLink Silicon.
- Dual-phase_steel wikiPageWikiLink Steel.
- Dual-phase_steel wikiPageWikiLink Ultimate_tensile_strength.
- Dual-phase_steel wikiPageWikiLink Yield_(engineering).
- Dual-phase_steel wikiPageWikiLink File:Dual_Phase_Steel.jpg.
- Dual-phase_steel wikiPageWikiLinkText "Dual Phase steels".
- Dual-phase_steel wikiPageWikiLinkText "Dual-phase steel".
- Dual-phase_steel wikiPageWikiLinkText "dual-phase steel".
- Dual-phase_steel wikiPageUsesTemplate Template:Citation.
- Dual-phase_steel wikiPageUsesTemplate Template:Dead_link.
- Dual-phase_steel wikiPageUsesTemplate Template:Reflist.
- Dual-phase_steel subject Category:Steels.
- Dual-phase_steel subject Category:Vehicle_technology.
- Dual-phase_steel hypernym Steel.
- Dual-phase_steel type ArchitecturalStructure.
- Dual-phase_steel type Steel.
- Dual-phase_steel type Vehicle.
- Dual-phase_steel comment "Dual-phase steel (DPS) is a high-strength steel that has a ferrite and martensitic microstructure. DPS starts as a low or medium carbon steel and is quenched from a temperature above A1 but below A3 on a continuous cooling transformation diagram. This results in a microstructure consisting of a soft ferrite matrix containing islands of martensite as the secondary phase (martensite increases the tensile strength).".
- Dual-phase_steel label "Dual-phase steel".
- Dual-phase_steel sameAs Q1262666.
- Dual-phase_steel sameAs Dualphasenstahl.
- Dual-phase_steel sameAs m.03h61qz.
- Dual-phase_steel sameAs Двухфазная_сталь.
- Dual-phase_steel sameAs Q1262666.
- Dual-phase_steel wasDerivedFrom Dual-phase_steel?oldid=675170050.
- Dual-phase_steel depiction Dual_Phase_Steel.jpg.
- Dual-phase_steel isPrimaryTopicOf Dual-phase_steel.