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Fabrication,Microstructure and Mechanical Properties of High PerformanceFerrite-bainiteSteels

机译:高性能的制造,微观结构和力学性能 - 贝氏体

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Low cost ferrite and bainite(FB) steels offer the prospect of high ultimate tensile strength combined with high hole expansion ratio.The enhanced strain hardening and formabilityof FB steels were primarily associated with the fine ferrite matrix,the low residual stresses and dislocation densityand compatible deformation between both phases.This overview describes the various techniques to produce FB steels,and comparestheresulting microstructure,tensile propertiesand stretchflangeabilitywith conventional HSLA and DP steels.A new generation of ultrafine ferrite and nano-scalebainiteautomotive steelsisunder development forthe futuredemands of extremely high strength and ductilitythroughthe fabricationtechnologiesinvolvingphase transformationsandplastic deformation.
机译:低成本铁氧体和贝氏体(FB)钢提供高终极拉伸强度的前景,结合高孔膨胀比。增强的应变硬化和FB钢的成型性主要与细铁素体基质,低残留应力和位错密度和兼容变形相关在两个阶段之间。本次概述描述了生产FB钢的各种技术,以及比较的微观结构,拉伸性质,常规HSLA和DP Steels的拉伸性能和拉伸法。新一代超细铁氧体和纳米级近班立岛屿发射的高强度和延伸性的强度和延伸性的FafricationTechnologiesInvolyShace volicateMand转化形变。

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