研究了C含量0.26wt%～0.42wt%及N含量0.0041wt%～0.021wt%变化对中低碳V-N-Ti微合金非调质钢锻态组织的影响.结果表明,C、N含量对V-N-Ti微合金非调质钢锻态组织中先共析铁素体的数量及分布存在显著影响.钢中的N含量一定,C含量约为0.33wt%时,组织中形成的晶内铁素体数量最多、组织最细小均匀;钢中的C含量一定,锻态组织中先共析铁素体的数量随着N含量的增加而增加,但N含量对先共析铁素体数量的影响要远小于C含量的影响.采用基于经典形核和长大理论模型计算所得析出动力学结果很好地解释了上述现象.
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