The steel with the new microstructure, bimodal submicrometer equiaxed ferrite grains with uniformly distributed nanosized cementite particles, was manufactured by a new approach utilizing simple cold-rolling and subsequent annealing of a dual phase ferrite-martensite starting structure. The mean ferrite grain size and carbide size range of the specimen after 80% cold-rolling and subsequent annealing at 600 °C for 20 min were 0.35 lm and 70–140 nm, respectively. A combination of bimodal ultrafine ferrite and nanoscale carbides used as a more effective method for achieving an excellent balance in strength-ductility. The strength of the steel with the new microstructure increased to about 880 MPa(nearly 60% higher than that of the as-received state, e.g., 540 MPa), without significant loss of ductility.
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机译:atRH57, a DEaD-box RNa helicase, is involved in feedback inhibition of glucose-mediated abscisic acid accumulation during seedling development and additively affects pre-ribosomal RNa processing with high glucose
机译:能力成熟度模型集成(CmmIsm)版本1.1。 CmmIsm for systems Engineering,software Engineering,and Integrated product and process Development(CmmI-sE / sW / IppD,V1.1)。分阶段表示。