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介绍了汽车发动机排气歧管用Ｆｅ２ＮｂＬａｖｅｓ相强化不锈钢开发研究的思路、过程，分析了Ｎｂ、Ｍｏ对高温强度的影响及提高热疲劳特性与高温强度的关系，指出它的用途会越来越广阔。
The idea and process of development and research on Fe2NbLaves phase strengthening stainless steel for automobile engine exhaust manifold are introduced. The effect of Nb and Mo on high temperature strength and the relationship between thermal fatigue characteristics and high temperature strength are analyzed. It is pointed out that its application will be more and more extensive.