通过添加铝和改变氮含量,在实验室条件下熔炼浇注钢锭,采用控轧控冷技术(TMCP)轧制钢板,研究了Mo、N元素对含钛马氏体钢力学性能的影响.结果表明:钼添加到钛微合金马氏体钢中,经回火+淬火处理后,纳米级TiC析出相增多,原奥氏体晶粒由8μm细化到5μm,屈服强度和韧性值增加；钛钼钢中氮含量增加,微米级TiN增多,对钢的屈服强度影响很小,但低温(-40℃)冲击韧性显著降低.
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