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首页> 外文会议>Iron Steel Supplement 2005 vol.40: The Joint International Conference of HSLA Steels 2005 and ISUGS 2005 >Strengthening Mechanism of Ti Micro-alloyed High Strength Steels Produced by Thin Slab Casting and Rolling
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Strengthening Mechanism of Ti Micro-alloyed High Strength Steels Produced by Thin Slab Casting and Rolling

机译：薄板坯连铸连轧生产的Ti微合金高强度钢的强化机理

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摘要

The experimental methods, such as SEM, TEM and chemical phase analysis, were used to study the strengthening mechanism of Ti micro-alloyed high strength steels produced by TSCR. Large number of quadrate TiN particles about several tens nanometers and nanometer precipitates were observed. The mass fraction and carbon content of MC phase obviously increased with titanium content increasing. The change of ferrite grain size with titanium content was not obvious. Precipitation -hardening of nanometer precipitates was responsible for strength increasing of high strength steels compared with conventional container strips.
机译：采用SEM，TEM，化学相分析等实验方法研究了TSCR生产的Ti微合金化高强度钢的强化机理。观察到大量的大约几十纳米的四方TiN颗粒和纳米沉淀。随着钛含量的增加，MC相的质量分数和碳含量明显增加。铁素体晶粒尺寸随钛含量的变化不明显。与传统的容器条带相比，纳米沉淀物的沉淀-硬化是高强度钢强度增加的原因。

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