Nb-Ti复合高强钢的强化机理研究
Research on Iron and Steel（2010）
Abstract
通过EBSD和TEM等手段对0.08C-1.60Mn-0.12Ti-0.04Nb高强钢的强化机理进行研究,发现其组织是细小的中温铁素体加少量M/A岛加少量先共析铁素体,其平均等效晶粒大小只有3.61μm2,在铁素体基体上存在纳米级的(Ti、Nb)(C、N)的第二相析出,只是钢板中部与1/4厚度相比,尺度略小,数量略多。
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Key words
niobium-titanium HSLA steel,strengthening mechanism,second phase precipitation
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